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43results about How to "Mitigation cost" patented technology

Method for preparing urea ardealite by solution crystallization method taking ardealite as raw material

The invention discloses a method for preparing urea ardealite by a solution crystallization method taking ardealite as raw material. The method comprises the following steps of: (1) preparing a saturated urea aqueous solution, and adding ardealite, soluble phosphate and urea into the saturated urea aqueous solution to form slurry; (2) in the conditions of normal pressure and normal temperature, uniformly mixing the slurry and performing crystallization reaction to obtain urea ardealite slurry; and (3) performing solid-liquid separation on the urea ardealite slurry, and then drying the solid phase to obtain the urea ardealite. According to the invention, on the conditions of normal pressure and normal temperature, ardealite, soluble phosphate and urea are used as raw materials, a solution crystallization method is adopted, the investment is small, and the operation is convenient; and the prepared urea ardealite has the characteristics of regular crystal form, uniform granularity, accurate adjustment of purity and stable quality.
Owner:ZHEJIANG UNIV

Mixed vacuum pump system

ActiveCN104120214AImprove pumping capacityStable suction capacityEngineeringMolten steel
The invention discloses a mixed vacuum pump system comprising a vacuum chamber, wherein the outlet of a gas cooling and dust removing device is divided into two paths; one path is communicated with a steam jet (and water ring) type vacuum pump system through a third gas suction pipeline and is provided with a second vacuum shutdown valve; the other path is communicated with a mechanical vacuum pump system through a second gas suction pipeline and is provided with a first vacuum shutdown valve; a second exhaust pipeline of the steam jet (and water ring) type vacuum pump system and a first exhaust pipeline of the mechanical vacuum pump system extend out of a workshop after being converged in front of a flowmeter and passing through a third exhaust pipeline; the first exhaust pipeline is provided with a first gas check valve; the second exhaust pipeline is provided with a second gas check valve. The steam jet (and water ring) type vacuum pump system is combined with the mechanical vacuum pump system in an external refining treatment process of molten steel, so that the requirement of an external refining process is sufficiently met, and meanwhile, the requirements for high efficiency and energy saving are met.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO

Label printing method and system

The invention provides a label printing method and a label printing system, which relate to the label technical field, wherein, the label printing method is applied to an IPC computer; firstly, a product ID sent by a label printing device is received; And then obtaining the label print content corresponding to the product ID from the production execution management system MES based on the productID; At last, that label printing device is controlled to print the label printing content. According to the technical solution provided by the embodiments of the present invention, through the communication between IPC computer and MES, the invention can alleviate the problems of high cost, low efficiency and low reliability existing in the existing label printing method relying on manpower, can reduce the cost of manpower and time, improve the work efficiency, improve the reliability of production information collection, avoid the error brought by manpower, and is beneficial to the realization of automation.
Owner:BEIJING APOLLO DING RONG SOLAR TECH

Microbubble magnesia cement internal/external wallboard and preparation method thereof

InactiveCN103113081AAlleviate procurement difficultiesMitigation costSlurryMagnesite
The invention relates to a microbubble magnesia cement internal / external wallboard and a preparation method thereof. The invention belongs to the technical field of light boards. The microbubble magnesia cement internal / external wallboard comprises the following components in parts by weight: 100 parts of magnesia, 16-50 parts of magnesium chloride, 2-45 parts of microbubble foaming agent, 26-75 parts of water, 1-16 parts of glass fiber cloth, 0.1-0.3 part of non-woven fabric and 0.2-4 parts of magnesite modifier. The preparation method comprises the following steps: (1) mixing magnesium chloride and water, and adding magnesia; (2) adding fly ash, sawdust, reclaimed materials and perlite; (3) adding magnesite modifier; (4) adding microbubble foaming agent; (5) putting into a mold to form a bottom layer, laying the glass fiber cloth layer on the bottom layer, adding slurry to form a plurality of separation layers (the glass fiber cloth layer is laid between every two separation layers, and the topmost slurry forms the surface layer), and finally, extruding with pressure rollers to obtain a blank board; and (6) curing the blank board, sanding and cutting to obtain the finished product. By adding the microbubbles, the invention has the advantages of simple method, good product quality, small volume, low cost and the like, and is convenient to process.
Owner:刘丰 +1

Fault-tolerant backup method and system of concurrent computer system administration controller

The invention discloses a fault-tolerant backup principle and method for the system management controller of parallel computer. The parallel computer system is divided into a plurality of mainboard groups. Every mainboard group is enforced the monitoring and management task by a system management controller eSMC. Every two system management controllers eSMC form a group; wherein, one system management controller eSMC leads all the monitoring and management parts to be hung and connected on an I<2>C bus which is simultaneously connected with the other system management controller eSMC. When one system management controller eSMC is in shutdown, the other system management controller eSMC charges all the monitoring and management parts through the I<2>C bus. The invention is used for resolving the reliability problem of the system management controller in the parallel computer system and relieves the conflict between high usability and low cost of the high-performance computer system.
Owner:NAT UNIV OF DEFENSE TECH

Intelligent industrial Internet of Things system

PendingCN113055417AAlleviate management difficultiesEase equipment maintenance difficultiesDatabase distribution/replicationTransmissionBusiness enterpriseThe Internet
The invention discloses an intelligent industrial Internet of Things system, which comprises an collection layer, a connection layer and a platform layer, and is characterized in that the collection layer comprises an Internet of Things terminal equipment set and an edge calculation platform, and the edge calculation platform comprises an edge calculation gateway FBox; the connection layer comprises a terminal connection platform and a terminal management platform; the platform layer comprises an Internet of Things platform; the edge calculation gateway FBox is used for connecting the Internet of Things terminal equipments in the Internet of Things terminal equipment set and transmitting the received Internet of Things data to the terminal connection platform for access personnel to access; and the terminal management platform is used for managing the operation terminal accessed to the system and monitoring the operation state of the operation terminal. Therefore, the system can realize the functions of data remote monitoring, equipment management, maintenance after-sales, data statistics, fault alarm, remote diagnosis and the like, can effectively relieve the problems of difficult management of operation and maintenance personnel, difficult equipment maintenance, difficult operation management and control, high operation cost and the like, and helps equipment enterprises to effectively occupy the market while improving the own operation management and control level.
Owner:四川悦宏达科技有限公司

Power grid dispatcher training simulation method and system based on cloud technology

InactiveCN108898912AEase utilizationMitigation costCosmonautic condition simulationsSimulatorsGroup teachingClient-side
The invention provides a power grid dispatcher training simulation method and system based on a cloud technology, relates to the field of power grids, can relieve the technical problems that existingpower grid dispatcher training simulation has a low resource utilization rate and high cost and can improve the resource utilization rate and reduce cost. The method comprises the steps: receiving a teaching group instruction which is established by a trainer through a trainer client, wherein the established teaching group instruction carries group teaching information including a group information table and group member information table; sending a first recording request to a cloud server according to the established teaching group instruction and making the cloud server add a first record into a group table of a group teaching interaction database and add a second record into a group member table of the group teaching interaction database; receiving a group participating request which is sent by a trainee through a trainee client and carries a group name; sending a second record request to the cloud server according to the group participating request and making the cloud server adda third record into the group member table of the group teaching interaction database.
Owner:JIANGSU ELECTRIC POWER CO +3

Multi-user large-scale multiple-input-multiple-output-orthogonal frequency division multiplexing system transmission method adopting low-precision analog-to-digital converter

ActiveCN111313941ARealize communication transmissionValid and clear assessmentBaseband system detailsRadio transmissionMulti inputCarrier signal
The invention discloses a multi-user large-scale MIMO-OFDM (Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing) system transmission method adopting a low-precision ADC (Analog-to-Digital Converter), which comprises the following steps: giving a closed expression of an uplink rate to obtain a most favorable condition that a multipath channel delay power spectrum should meet;based on the rate expression, according to the known system parameters and the required user rate, calculating proper sending power and OFDM subcarrier number; under a multipath channel, a multi-userorthogonal pilot frequency sequence based on OFDM is designed; the user sends a pilot signal, and the base station carries out low-precision quantification on the received signal and completes channelestimation; and the user transmits uplink data, and the base station performs maximum ratio combination on the quantized received signals according to the estimated channel. The method can be used for a low-precision ADC multi-user large-scale MIMO-OFDM system, the hardware cost and power consumption of the base station are reduced, and the given transmission method can effectively meet the transmission requirement of the uplink rate of the user.
Owner:SOUTHEAST UNIV

Method for relieving salt injury of soybean seedlings by using exogenous soybean isoflavone

The invention discloses a method for relieving salt injury of soybean seedlings by using exogenous soybean isoflavone. The method comprises the following steps of: (1) dissolving the soybean isoflavone by using dimethyl sulfoxide (DMSO) to prepare soybean isoflavone aqueous solution containing 1 percent of DMSO, wherein the concentration of the aqueous solution is not more than 1.0mg / L; (2) soaking soybean seeds into the soybean isoflavone aqueous solution in an incubator of 25 DEG C, putting the seeds on a germinating bed after the seeds are soaked for 10 hours, and performing light shaded germination acceleration; (3) sowing the germinated seeds into a porous plastic cup filled with quartz sand, putting the plastic cup into a transfer box filled with 1 / 2 Hoagland nutrient solution, performing light cultivation, and changing the nutrient solution once every 2 to 3 days; and (4) moving seedlings to a porous foam board when a first pair of main leaves is grown, cultivating the seedlings in a transfer box filled with 100 to 130mmol / L NaCl solution prepared by using 1 / 2 Hoagland nutrient solution, observing the growth condition of the seedlings, measuring the area of the leaves, taking samples of a root, a stem and a leaf after the seedlings are treated for 6 days, and respectively measuring the soybean isoflavone content of the samples by adopting a high performance liquid chromatography (HPLC) method. By the method, the salt tolerance of the soybean seedlings can be enhanced, the salt injury of the soybean seedling is effectively relieved, and the method has more obvious effect on the soybean material with salt tolerance.
Owner:NANJING AGRICULTURAL UNIVERSITY

Electromagnetic shielding cement board and semi-dry preparation process thereof

The invention belongs to the technical field of production of a cement board, and particularly relates to a cement board which has an electromagnetic shielding function and is prepared by adopting a semi-dry method. The electromagnetic shielding cement board comprises a material A and a solution B, wherein the material A comprises the following raw materials in parts by weight: 5-70 parts of cement, 5-10 parts of glass fibers, 3-7 parts of silica fume, 5-15 parts of fly ash and 0.3-1.5 parts of polyvinylpyrrolidone. The solution B is prepared from the following raw materials in parts by weight: 90 to 98 parts of water, 1 to 6 parts of silane coupling agent and 0.05 to 0.15 part of Fe3O4-modified graphene oxide. The cement board is low in water content, high in density, low in porosity, lowin water absorption rate, excellent in breaking strength and good in anti-freezing performance, and has good mechanical properties and excellent shielding performance. The product can completely meetthe performance requirements when the cement board is used as a decorative board and an external wall board, and has wide application potential.
Owner:UNIV OF JINAN

Zinc ion battery positive electrode active material, positive electrode material, zinc ion battery positive electrode, zinc ion battery and preparation method and application thereof

The invention discloses a zinc ion battery positive electrode active material, a positive electrode material, a zinc ion battery positive electrode, a zinc ion battery and a preparation method and application thereof, and relates to the technical field of zinc ion batteries. The zinc ion battery positive electrode active material comprises niobium oxide or a composite material thereof. According to the invention, the niobium oxide or the composite material of the niobium oxide is applied to the positive electrode active material of the zinc ion battery. The niobium oxide or the niobium composite material has a rapid zinc ion transmission channel, so that the rapid intercalation and deintercalation of zinc ions can be realized. The prepared zinc ion battery has the advantages of long cyclelife, high specific capacity and low cost. The problems of limited lithium resource reserve and high cost of the existing lithium ion battery are solved. The problems of low capacity, poor stability of a positive electrode structure, slow intercalation dynamics and the like of the existing zinc ion battery positive electrode active material are solved.
Owner:SHENZHEN INST OF ADVANCED TECH

Method and apparatus for generating high-quality image

InactiveCN108924436AMitigation costMitigating Technical Problems with Imaging EffectsTelevision system detailsColor television detailsExposure levelPerformed Imaging
The invention provides a method and apparatus for generating a high-quality image. The method comprises the following steps: obtaining an illumination intensity value of an environment to be photographed detected by an illumination intensity sensor; matching the illumination intensity value of the environment to be photographed with a preset exposure time comparison table to obtain a second levelexposure time; determining a plurality of target exposure times based on the second level exposure time and a preset exposure level, so that an image sensor photographs the environment to be photographed according to the plurality of target exposure times; obtaining a plurality of images photographed by the image sensor; and performing image synthesis on the plurality of images by using an HDR algorithm to obtain a high-quality image of the environment to be photographed. According to the method, only an illumination intensity sensor needs to be added on the basis of the original imaging system, so that the cost is low, the imaging process is simple and the calculation amount is small. The image synthesis is performed by using the HDR algorithm, so that the obtained final image has a goodeffect, and the technical problem that the cost and the imaging effect cannot be both considered in the existing method is alleviated.
Owner:HUNAN VISUALTOURING INFORMATION TECH CO LTD

Biological gas production system for filling straws in mine goaf and gas production process thereof

The invention provides a biological gas production system for filling straws in a mine goaf. The biological gas production system comprises a hot water entering well, a water returning well, a temperature monitoring well, an exogenous bacterium injection and bacterium colony monitoring well and a biological gas collection and conveying well which are formed above the mine goaf and are communicated with the ground, wherein heat insulation pipelines, which are made of stainless steel or an aluminum alloy material, are paved on the ground in the goaf in a crisscrossing manner; a residual heat water discharge pipe of a thermal power plant penetrates through the hot water entering well and stretches into the goaf to be connected with water inlets of the heat insulation pipelines; water outlets of the heat insulation pipelines are connected with a water returning pipe; the water returning pipe upward penetrates through the water returning well, and then is returned back to the thermal power plant; and the goaf is internally filled with crushed straws. The invention further discloses a gas production process of the biological gas production system for filling the straws in the mine goaf. According to the biological gas production system and the gas production process, provided by the invention, a good space advantage of the mine goaf is utilized, and the aim of green mining of mines is realized; and meanwhile, the straws are converted into a clean energy source by utilizing a biotechnology, and energy consumption and emission reduction are realized.
Owner:HENAN POLYTECHNIC UNIV

Process step correctness automatic detection method and system

The invention provides a process step correctness automatic detection method and system which are applied to a server, and the method comprises the steps: carrying out the semantic segmentation of a to-be-detected image based on a deep learning method, and obtaining the target type of each pixel in the to-be-detected image, wherein the to-be-detected image is an image frame in a video containing aprocess step execution process; determining a human body region and a working region in the to-be-detected image based on the target category; recognizing the human body area and the working area based on a deep learning method to obtain human body posture information and working task information respectively; determining process step information based on the human body posture information and the work task information; extracting a target feature vector of the process step information based on a deep learning method, and judging whether the process step is correctly executed or not based onthe target feature vector. The technical problems that in the prior art, the cost is high, and the process steps cannot be detected in real time are solved.
Owner:盛景智能科技嘉兴有限公司

Method for promoting accumulation of heavy metal cadmium at roots of rice by aid of 5-aminolevulinic acid and rice plants prepared by aid of method

The invention provides a method for promoting accumulation of heavy metal cadmium at roots of rice by the aid of 5-aminolevulinic acid and rice plants prepared by the aid of the method, and belongs to the field of technologies for treating heavy metal contamination. The method includes planting the rice in cadmium-contaminated soil; carrying out spray application treatment on leaf surfaces of the rice by the aid of 5-aminolevulinic acid solution with the concentration of 180-220 mg / L in planting procedures. The accumulation of heavy metal cadmium elements at the roots of the rice can be obviously promoted after the spray application treatment is carried out on the leaf surfaces of the rice, and accumulation of cadmium in brown rice of the rice can be inhibited. The method and the rice plants have the advantages that the method is easy and convenient to implement and low in cost, is environmentally friendly and can bring convenience for recycling the cadmium elements, and the problems of high cost, complicated operation, requirements on special instruments and long remediation cycles of existing methods for remedying existing cadmium-contaminated soil can be effectively solved; the rice is a conventional crop, field management on the rice is carried out by the aid of agricultural conventional processes, accordingly, the operation difficulty of the method for remedying the soil can be lowered, and the like.
Owner:CHINA JILIANG UNIV

Low-energy-consumption electronic price tag device

The invention provides a low-energy-consumption electronic price tag device, which relates to the technical field of digital price tags and comprises a microcontroller, an SD card slot, a program downloading module, a display driving circuit and an electronic paper screen, the microcontroller is connected with the electronic paper screen through the display driving circuit; the SD card slot is connected with the microcontroller; and the program downloading module is connected with the microprocessor. Through the device provided by the invention, the electronic price tag can be displayed, and the technical problems of high labor cost, poor timeliness and high error rate of the paper price tag are relieved.
Owner:CIVIL AVIATION UNIV OF CHINA

Method and system for effectively identifying machine access behavior

The invention discloses a method and a system for effectively identifying a machine access behavior. The method comprises the following steps: inputting a Waf access log; detecting an engine consumption Waf access log in real time, and outputting a Bot user; the management and control center managing and controling the Bot user and feeding back a management and control result to the adaptive learning module; and the adaptive learning module autonomously updating and loading an update result to the real-time detection engine to form a closed loop. The device comprises a Waf access log acquisition module, a real-time detection engine module, a management and control center module and an adaptive learning module. A computer device and a storage medium can realize the process of the method byexecuting a computer program. According to the method, the Gini coefficient, the stability coefficient, the white list, the model adaptive learning and the like are combined, and Bot user entity access behavior detection is realized. The method has the characteristics of high accuracy, interpretability, high generalization ability and the like, and a WAF management background and a protection system can be seamlessly butted, so that user personalized configuration and automatic arrangement response are realized.
Owner:SUNING CLOUD COMPUTING CO LTD

Mushroom culture material with robinia branches as main raw material and preparation method therefor

The invention provides a mushroom culture material with robinia branches as a main raw material and a preparation method therefor. The preparation steps of the mushroom culture material comprise weighing, pre-wetting, material mixing, bagging, sterilization and inoculation. The main material scope of the mushroom culture material is widened, materials can be used locally, dependence on woods is reduced, and the mushroom production cost is lowered. When mushrooms cultivated by the provided mushroom culture material is compared with mushrooms cultivated by conventional broad-leaved tree wood chips, the stubble number is high, the output is high, the mushrooms are compact, big and thick, the quality is excellent, and the provided mushroom culture can be employed as a substitute of the conventional main materials for mushroom cultivation.
Owner:三门峡市农业科学研究院

Capacitor series connection compensation device and protection device thereof

The invention provides a capacitor series connection compensation device and a protection device thereof and belongs to the technical field of capacitor compensation. The technical problems that in the prior art, the device maintenance cost is high, the electric energy loss of circuit running is large, and the device stability and reliability are poor are solved. The capacitor series connection compensation device comprises an upright capacitor, a switching operation mechanism and the protection device, wherein the upright capacitor is connected with a power transmission line through the switching operation mechanism. The protection device of the capacitor series connection compensation device is used for protecting the upright capacitor in the capacitor series connection compensation device. The protection device comprises MOVs, a damping reactor, a high-speed switch and by-pass switches, wherein the MOVs are connected to the two ends of the upright capacitor in parallel, the damping reactor and the high-speed switch are connected in series and then connected to the two ends of the upright capacitor in parallel, and the by-pass switches are connected to the two ends of the quick switch in parallel. The capacitor series connection compensation device and the protection device thereof are applied to improve the voltage and power factors of a power transmission line.
Owner:上海北堃电力科技有限公司

Top coal caving control method, system and device and electronic equipment

The invention provides a top coal caving control method, system and device and electronic equipment, and relates to the technical field of automatic coal mining, and the method comprises the following steps: obtaining target top coal caving parameters; processing the target top coal caving parameters through a top coal caving control parameter prediction model, obtaining target control parameters of the target top coal caving support, wherein the target control parameters comprise the target opening and closing angle of the gate plate, the target telescopic distance of the gate plate and the target opening and closing time of the gate plate; and controlling the target top coal caving support to execute the current top coal caving operation based on the target control parameters. According to the method, the control parameters of the top coal caving support are predicted before top coal caving, then the top coal caving operation is completed through one-time opening and closing of the gate plate, the production efficiency is improved, the manual operation cost is reduced, and therefore the technical problems that in the prior art, a top coal caving method is low in production efficiency and high in cost are effectively solved.
Owner:天津中新智冠信息技术有限公司

Potential customer prediction method, device and system, electronic equipment and storage medium

PendingCN110874758AImprove accuracyEase of follow-up workMarketingCustomer informationData mining
The invention provides a potential customer prediction method, device and system, electronic equipment and a storage medium. The potential customer prediction method comprises the steps of adopting sample potential customer information to train a plurality of quasi-prediction models; calculating recall rates of the plurality of quasi-prediction models, and when the recall rates of the plurality ofquasi-prediction models are greater than a preset threshold, taking the quasi-prediction model with the highest accuracy as a prediction model; and taking the potential customer information to be predicted as the input of the prediction model, the output of the prediction model being the prediction value of the potential customer information to be predicted, and the prediction value indicating the potential customer order probability. According to the invention, the accuracy of potential customer prediction is improved.
Owner:JINGDONG TECH HLDG CO LTD

Steering tool applied to electric-driving directional crossing

The invention relates to a steering tool applied to electric-driving directional crossing, particularly to a well track control tool for electric-driving directional crossing. The steering tool mainly comprises a casing, a male electrical connector, an electrical connector tailstock, a terminal box, an electrical cable assembly, a reducing module and a female electrical connector, wherein the casing comprises an upper casing and a lower casing; the upper casing is connected with the lower casing through a groove; the electrical cable assembly comprises an electrical cable outlet connector, an electrical cable and motor power lines; one end of the electrical cable is connected with the male electrical connector through the terminal box, and the other end of the electrical cable is connected with the female electrical connector through the terminal box; two motor power lines penetrate through the electrical cable outlet connector and the cable respectively, so that electric connection of corresponding phases is realized; the reducing module comprises a motor, a coupler, a wing block, a lead screw and a sliding block; the motor is connected with the lead screw through the coupler; the lead screw is sleeved with the sliding block; the wing block is connected with the sliding block through a T-shaped groove; and the sliding block moves linearly on the lead screw and drives the wing block to stretch out radially. According to the steering tool applied to electric-driving directional crossing, the structure is simple; the operation is easy; and intelligent and automatic well track control can be realized.
Owner:SOUTHWEST PETROLEUM UNIV

CPCI bus test device and method

The invention provides a CPCI bus test device and method, which relates to the technical field of data transmission bus automation test. The device includes a test result display, a logic controller,a CPCI motherboard connection component to be tested, a CPCI signal distribution router, a standard PCI network card controller and an ATX power supply. The logic controller is connected to the ATX power supply, the standard PCI network card controller and the CPCI signal distribution router, the standard PCI network card controller, the CPCI signal distribution router, the CPCI motherboard connection assembly to be tested are connected sequentially, the ATX power supply is connected with the CPCI motherboard connection assembly to be tested and the standard PCI network card controller respectively, the CPCI motherboard connection assembly to be tested comprises a 25p connector and a 22p connector, and a test result display is connected with the logic controller. The technical scheme realizes the automatic test of the CPCI motherboard, improves the test efficiency of the CPCI motherboard, reduces the human cost of the test of the CPCI motherboard, and alleviates the technical problemsof low bus detection efficiency and high human cost of the existing CPCI motherboard.
Owner:TIANJIN EMBEDTEC

Fast cultivation method for strawberry biochemical callus

The invention provides a fast cultivation method for strawberry biochemical callus. The method comprises the following steps: 1) cleaning and sterilizing raw materials; 2) primarily culturing: using a cutter for cutting 0.5mm stem tip growing point, inoculating into a 0.1mg / L 6-BA MS culture medium for culturing and growing clumpy buds; 3) sub-culture: adapting the clumpy buds into the MS culture medium containing 0.2mg / L 6-BA and 0.01mg / L NAA and sub-culturing; 4) rooting culture: cutting big buds from the clumpy buds, adapting to the MS culture medium containing 0.5mg / L IBA and 0.1% activated carbon for inducing rooting, adapting the residual callus into the culture medium in the step 3) and culturing; 5) transplanting domestication: taking out the rooting seedlings, cleaning the root culture medium, transferring into a hole plate filled with the medium in greenhouse and domesticating. According to the method provided by the invention, the seedling culturing time is short, the subculture speed is high and the cultivating cost is saved.
Owner:合肥华典生物科技股份有限公司

Underwater optical wireless real-time high-definition video transmission device based on FPGA

The invention discloses an underwater light wireless real-time high-definition video transmission device based on an FPGA (Field Programmable Gate Array), which comprises a transmitting device and a receiving device, and is characterized in that the transmitting device sequentially comprises a camera, the FPGA of a transmitting end, a digital-to-analog converter, a bias device and an LED (Light Emitting Diode); and the receiving device sequentially comprises a focusing lens, a photoelectric detector, a power amplifier, an attenuator, an analog-to-digital converter, an FPGA (Field Programmable Gate Array) of a receiving end and a display. The device adopts optical wireless communication and high-order digital signal modulation technologies to improve the distance and quality of existing underwater video transmission, so that the system transmission efficiency is higher, the maintenance cost is lower, and high-speed transmission of underwater videos can be realized without using a network camera or Ethernet transmission.
Owner:ZHEJIANG UNIV

Compound essential oil for treating spleen and stomach disharmony in children and preparation and application thereof

The invention discloses a compound essential oil for treating spleen and stomach disharmony in children. The compound essential oil for treating spleen and stomach disharmony in children includes, byweight parts, 2-10 parts of coriander seed oil, 5-15 parts of basil oil, 5-15 parts of myristica fragrans extract, 5-10 parts of cablin potchouli herb extract, 3-15 parts of mentha piperita extract, 2-18 parts of lemon extract and 3-15 parts of cardamon seed extract. A preparation prepared from the compound essential oil for treating spleen and stomach disharmony and application of the preparationfor treating spleen and stomach disharmony in preparation of products for treating spleen and stomach disharmony in children are provided. The basic theory of traditional Chinese medicine is innovatively used as a guide, and the essential oil is applied to a traditional Chinese medicine system, which is a combination of the traditional Chinese medicine and essential oil and can effectively treatpediatric spleen and stomach problems, reduce the pain of children taking medicine and infusion, enhance the corresponding curative effect and shorten treatment time.
Owner:成都青羊了己中医诊所有限公司

Logistics boxes and logistics box monitoring system

The invention provides logistics boxes and a logistics box monitoring system and relates to the technical field of logistics management. Each logistics box comprises a box body, each box body is internally provided with a storage space, each box body is further internally provided with a control panel, an information acquisition device, humidification equipment and bacteriostatic agent spraying equipment. Each piece of bacteriostatic agent spraying equipment comprises a bacteriostatic agent storage device and a mist spraying head, each bacteriostatic agent storage device stores a bacteriostatic agent, and the outlet end of each bacteriostatic agent storage device communicates with an electromagnetic valve on a guide pipe and the corresponding mist spraying head through the guide pipe; andthe information acquisition devices, the humidification equipment and the electromagnetic valves are connected with the control panels correspondingly. By means of the logistics boxes and the logistics box monitoring system provided by the invention, fruits and vegetables are transported and stored through the logistics boxes, the freshness of the fruits and vegetables in the transport and storageprocesses is effectively guaranteed, and the problems that in certain backward areas or areas with few freight volumes, large special transport vehicles are utilized for transport and storage, the investment cost is high, and manpower and materials are wasted are solved.
Owner:HANGZHOU NAJIE TECH CO LTD

Crusher system fault diagnosis method and device

The invention provides a crusher system fault diagnosis method and device, and relates to the technical field of fault detection.The method comprises the steps that firstly, a first parameter is generated through a pre-established offline model; the first parameters comprise the order, the sampling period and the data set length of the offline model; then determining a fault diagnosis monitoring quantity based on the first parameter and a second parameter acquired on line; the second parameters comprise a crusher load parameter and a feeder load and frequency product parameter; if the fault diagnosis monitoring quantity exceeds a first threshold value, the crusher system has a fault, and the fault type of the crusher system is determined. By means of the method, the technical problems that part of parameters are difficult to collect and the fault diagnosis cost is high can be solved, and the technical effects of reducing the cost and improving the detection precision are achieved.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD

Wave power generator based on droplet power generation

The invention discloses a wave power generator based on droplet power generation. The wave power generator comprises a support arranged under the sea, wherein a first platform is arranged at the upperend of the support; a hollow floater is arranged below the first platform; a second platform is arranged below the floater; the floater floats on the sea surface; the floater is connected to a winding drum through a traction rope; the winding drum drives the power generator to generate power; a plurality of through holes are arranged in the floater; a plurality of layers of partition plates are arranged in the floater; a plurality of PTFE / ITO electrode plates are arranged on each layer of partition plates; the PTFE / ITO electrode plates are distributed in a dot-matrix mode and are obliquely arranged; a plurality of drip holes are evenly arranged in the partition plates; aluminum electrode plates are arranged on the PTFE / ITO electrode plates; and the aluminum electrode plates and the PTFE / ITO electrode plates are connected to a power generation controller. According to the wave power generator, two modes are combined for power generation, the power generation efficiency is high, and theproblems of low efficiency and high cost which restrict the development of wave power generation in the field of wave power generation can be solved.
Owner:SOUTHWEST JIAOTONG UNIV

System-in-package structure, manufacturing method thereof and electronic equipment

The invention relates to the technical field of semiconductor packaging, in particular to a system-in-package structure, a manufacturing method thereof and electronic equipment. The manufacturing method of the system-in-package structure comprises the following steps that a template is provided, and a through hole is formed in the template; the through hole is filled with a conductive material; a substrate is provided, wherein the substrate is provided with a bonding pad; and the sintered conductive material forms a conductive column, and one end of the conductive column is electrically connected with the bonding pad. The manufacturing method is simple in technological process, efficient, reliable, low in cost and easy to popularize and apply, and the problems that an existing packaging method is high in cost, low in efficiency, complex in operation and the like can be solved.
Owner:HUAWEI TECH CO LTD
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