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30results about How to "Reduce financial resources" patented technology

Early strength high wear-resisting self-leveling mortar used for ground repairing and preparation method thereof

The invention discloses an early strength high wear-resisting self-leveling mortar used for ground repairing and a preparation method thereof, and the early strength high wear-resisting self-leveling mortar comprises the following components by weight: 35%-40% of P.052.5 ordinary portland cement; 15%-20% of a mineral admixture; 40%-55% of quartz sand or carborundum; 4%-6% of a special anti cracking agent; 0.5%-1% of an imported organic binder; 0.3%-0.5% of an inorganic salt strength enhancer; 0.1%-0.2% of an organic defoaming agent; 0.2%-0.4% of a high performance water reducing agent; 0.2%-0.4% of stabilizer cellulose; and 0.2%-0.5% of an erosion resistant additive. The early strength high wear-resisting self-leveling mortar is applied to construction by self leveling technology, can reduce the human, financial and material resources, is remarkable in economic benefit, is added with the high proportion of mineral admixture, is environmentally-friendly, utilizes industrial waste, is significant in social benefits and good in wear resistance, can be used for high wear resistance requirement ground, is good in corrosion resistance, and can be used for the ground in heavy chloride sulfate corrosion environment.
Owner:LIAONING BUILDING SCI RES INST

Growing method for propagating tulip

The invention discloses a growing method for propagating tulip. The growing method comprises the specific steps of plant selection, deep-freezing, disinfection, bud scale cutting, accelerating germination of bud scales, bud scale expansion, seed ball transplantation, soil management and the like, wherein a large seed ball of tulip is subjected to deep-freezing processing before cut, and then a remarkable effect is achieved in improving propagation coefficient and cultivating a strong seedling; GA3 and NAA are applied on differentiating small bud scales of tulip to prompt differentiation of the bud scales, so that the time is shortened greatly, more than one month can be saved compared with a traditional method, the soil fertility can be improved, the plant diseases and insect pests are decreased, and then manpower and financial resources are lowered.
Owner:SUZHOU RENCHENG BIO SCI & TECH

Andrographolide concentrated liquid and medical application thereof

The invention discloses an andrographolide concentrated liquid, which comprises active component andrographolide, a solubilizer, a mixed solvent, an antioxidant and a pH modifier, and is characterized in that the weight ratio of the solubilizer and the andrographolide is (10:1) to (100:1); the concentration of the andrographolide in the concentrated liquid is 5-50mg / mL; the mixed solvent is selected from one or more of ethyl alcohol-water, ethyl alcohol-glycerinum, ethyl alcohol-propylene glycol, tert-butyl alcohol-water, tert-butyl alcohol-glycerinum, tert-butyl alcohol-propylene glycol, propylene glycol-water and propylene glycol-glycerinum. The andrographolide concentrated liquid formula can be applied to oral administration or parenteral administration after being diluted with sterile water for injection, a glucose injection, a 0.9% sodium chloride injection and 0-20% F68 solution, and can also be mixed with a filler and (or) a freeze-drying protecting agent to prepare a powder preparation or a freeze-dried agent by a spray drying or freeze-drying technique.
Owner:SHENYANG PHARMA UNIVERSITY

Preparation process of cement-based muck concrete

The invention discloses cement-based muck concrete which is prepared from abandoned building muck, cement, stones, sand, water and water reducing agents. The mass percent of the cement, the muck, thewater, the sand and the stones is 1:0.1:0.4:2.2:3.2, the dosage of the water reducing agents accounts for 0.7% of the sum of the masses of the cement and the muck, and water-cement ratio is 0.4. For the purpose of consuming abandoned project muck, the abandoned project muck replaces part of the cement, the cement-based muck concrete with excellent strength is prepared by reasonable combination ofcompositions and scientific improvement of a process, and compressive strength is improved by about 8%-10% as compared with that of a traditional stirring mode.
Owner:TIANJIN CHENGJIAN UNIV

Trash rack capable of automatically cleaning floating objects in flowing river channel

The invention discloses a trash rack capable of automatically cleaning floating objects in a flowing river channel. The trash rack comprises two trash-blocking frames connected in a herringbone shape,and an infrared detector is arranged on at least one trash-blocking frame; a rotatable rack plate group is arranged in the vertical direction in each trash-blocking frame, and a rotatable flow guideplate group is arranged in a part facing the interior of the herringbone-shaped area, of each trash-blocking frame; flow guide plates in each flow guide plate group rotate outwards; a hollow pipe fixed to a dam through a steel wire is arranged on the edges of two trash-blocking plates separately; a telescopic rod is inserted into each hollow pipe; and the infrared detector transfers the detected information to a central processor, and then a signal is sent through the central processor to control the two trash-blocking frames to be opened and closed, so that a ship is facilitated to pass through. The trash rack is arrayed in the herringbone shape, rack plates are closed and effectively block trash onto the trash-blocking frames, the flow guide plates rotate outwards, and convey trash on ariver surface by virtue of the power pushing of directional water flow, and natural power is utilized, so that the labor cost and the energy consumption of a large machine are reduced.
Owner:HOHAI UNIV

Flexible biological roadbed slope drainage ditch and construction method thereof

The invention discloses a flexible biological roadbed slope drainage ditch and a construction method thereof. The flexible biological roadbed slope drainage ditch comprises a drainage ditch body (1),wherein a composite geo-membrane layer (2) and a geotechnical pattern room layer (3) are sequentially laid from outside to inside on the drainage ditch body (1); the geotechnical pattern room layer (3) is internally filled with a rubble layer (5) and a planting soil layer (4) from inside to outside in sequence. The construction method mainly comprises the following steps: digging the drainage ditch body (1), carrying out laying and lap joint of the composite geo-membrane layer (2), laying the geotechnical pattern room layer (3), and filling the geotechnical pattern room layer (3) with packing.A roadbed constructed with the method has the advantages that partial deformation of a slope can be endured, cracking and damage of structures are not easily caused, materials can be conveniently transported, relatively small construction difficulties can be caused, the manufacturing cost is relatively low, the environment is slightly damaged, the attractiveness is not affected, meanwhile, the environment can be beautified, a great deal of garbage is not resulted when the materials are recycled, the construction method is applicable to cold regions, and the roadbed is relatively long in service life.
Owner:中冶(贵州)建设投资发展有限公司 +1

Vega-based infrared and low-light-level video synchronization simulation method

The invention discloses a Vega-based infrared and low-light-level video synchronization simulation method. The method comprises steps: Vega software is used for rendering a simulation environment for infrared target imaging; the Vega software is used for rendering a simulation environment for low-light-level target imaging; an API interface function of the Vega is used for rendering each frame of image, the motion position of the target is updated in real time, and a simulation video is formed; and the formed simulation video is paused for one time until the infrared video and the low-light-level video stop rendering, the simulation video is started again, and the infrared video and the low-light-level video which are simulated synchronously are formed. The infrared target simulation video and the low-light-level target simulation video can be provided, the infrared and low-light-level synchronization simulation video image can also be provided, an original image is provided for an infrared and low-light-level image fusion algorithm and a related product, and the cost of acquiring and processing the original image is saved.
Owner:NANJING UNIV OF SCI & TECH

Online bid opening management method and system

The invention relates to an online bid opening management method and system. The method comprises the steps of opening an online bid opening room when preset bid opening time is up, and allowing a bidder to enter the room; in preset sign-in time, receiving sign-in information of the bidder; in preset decryption time, allowing the bidder to decrypt a bidding file; analyzing a bid opening list in the decrypted bidding file; after the preset decryption time, receiving confirmation information of the bid opening list, obtained by analysis of the bidder; after preset confirmation time, generating abid opening record table; in preset signature time, receiving signature information of the bidder to the bid opening record table; and after the signature time, ending the bid opening. The whole process online operation of bid opening is realized; the standardization and high efficiency of the bid opening process can be guaranteed; the manpower, material resources and financial resources for thebid opening can be reduced; and the user demands are better met.
Owner:中航技国际经贸发展有限公司

Multifunctional watering cart

The invention discloses a multifunctional watering cart. The multifunctional watering cart comprises a cart body, a collecting device, a dust collector, a pesticide pot, a water tank, a water pump, a spray head, a control valve, a spray pipe, a communicating vessel, a protective cover, a cleaning device and an adapter pipe, wherein the water tank is installed on the cart body, the dust collector is arranged on the top of the water tank, the collecting device and the pesticide pot are installed on one side of the water tank, the water pump is arranged at the right end of the water tank, the water pump is fixedly connected with the adapter pipe through the spray pipe, the control valve is arranged on the spray pipe, the spray head is installed on the connecting pipe, and the cleaning device is installed on the bottom of the cart body. The multifunctional watering cart is ingenious in structure, extremely high in practicality, and capable of reducing labor, material resources and financial resources in environmental sanitation work, and due to the fact that the pesticide pot is arranged on one side of the water tank, pesticide can be poured into the water tank and then the water pump is opened to enable pesticide to be sprayed on a green belt in a city for pest control.
Owner:李天亮

Automatic production line for sausage type food

The invention discloses an automatic production line for sausage type food. The automatic production line comprises a sausage conveyor line, wherein one end of the sausage conveyor line is fixedly equipped with a lifter I; one end of the lifter I is further fixedly equipped with a cooking line; one end of the cooking line is equipped with a lifter II; the lifter II is additionally designed with a turning function; one end of the lifter II is further fixedly equipped with an air-drying line; one end of the air-drying line is further fixedly equipped with a lifter III; one end of the lifter III is further fixedly equipped with a pre-cooling line; and one end of the pre-cooling line is fixedly equipped with a withdrawing rod device. According to the automatic production line for the sausage type food disclosed by the invention, industrial robots such as the sausage conveyor line, a lifting loading machine, the cooking line, the air-drying line, a pr-cooling line and the withdrawing rod device are applied on a large scale, the sausage type food can be cooked, smoked or roasted in a fully-automatic mode on the highly intelligent machine production line. The automatic production line for sausage type food improves production efficiency, so that the production quality is stable, product quantization is uniform and is more precise, labor power, material resources, financial resources and time are reduced, and artificial food pollution probability is reduced.
Owner:FOSHAN VEHICIAN LNTELLIGENT EQUIP CO LTD

Sampling test platform of full ocean depth airtight sampler

The invention discloses a sampling test platform of a full ocean depth airtight sampler. The sampling test platform comprises a cylinder, a mud box, a hydraulic cylinder, a sliding assembly, columns and a console. The hydraulic cylinder is vertically mounted in the cylinder. A piston rod of the hydraulic cylinder extends out of the cylinder. The upper end of the piston rod is connected to the sliding assembly. A tension sensor is arranged on the piston rod. The columns are vertically mounted on the top plate of the cylinder. The mud box is arranged outside the cylinder and is close to the cylinder. The sliding assembly comprises a sliding support and a sampler clamping apparatus. The sliding support is provided with guiding holes corresponding to the columns. The guiding holes are set on the columns. A proximity switch, a displacement sensor and the tension sensor are connected to the console. The sampling test platform of the full ocean depth airtight sampler has simple, compact and reasonable structure, and can provide an experimental basis for studying the relationship between sampling efficiency of the full ocean depth sediment sampler and the sampler structure form, sampling speed, diameter of sampling tube and the like, and reduces the design and development cost.
Owner:HUNAN UNIV OF SCI & TECH

Curtail hemagglutinin vaccine for preventing influenza virus and its preparing method

InactiveCN1631439ADurable and comprehensive immune responseEasy to expandGenetic material ingredientsAntiviralsHemagglutininNucleotide
The invention relates to the curtail hemagglutinin vaccine for preventing influenza virus and its preparing method, wherein the vaccine constituent is cropped A / PR / 8 / 34 influenza virus HA gene, the length of the A / PR / 8 / 34 influenza virus HA gene's encoding zone is 1701 nucleotides, and is encoded into a protein product of 566 amino acids, wherein the nt1-nt825 fragment is the shortest protection sequence, and the vaccine is obtained by replacing the full-length A / PR / 8 / 34 influenza virus HA gene with cropped A / PR / 8 / 34 influenza virus HA gene. In the invention, the A / PR / 8 / 34 influenza virus NA gene nucleotide total sequence is determined, the shortest protection sequence is also determined. The vaccine provided by the invention can induce the organism to develop long-lasting and comprehensive immune response.
Owner:WUHAN INST OF VIROLOGY CHINESE ACADEMY OF SCI

Low-temperature resisting pharmaceutical formula for fluorite flotation and application method thereof

The invention discloses a low-temperature resisting pharmaceutical formula for fluorite flotation in the technical field of fluorite flotation. The low-temperature resisting pharmaceutical formula forfluorite flotation comprises a collecting agent and an inhibiting agent; the collecting agent comprises 5.0-5.5 parts of oleic acid, 1.2-1.6 parts of synergist and 3.3-3.7 parts of diesel emulsion; and the inhibiting agent comprises 11.0-11.5 parts of sulfuric acid, 22.3-22.8 parts of water glass, 11.0-11.5 parts of hydrogen, 2.6-3.0 parts of alums, and 4.3-4.7 parts of sodium fluosilicate. The low-temperature resisting pharmaceutical formula for fluorite flotation is used for flotation on high-calcium carbonate Yangshan ores. An application method of the low-temperature resisting pharmaceutical formula for fluorite flotation comprises the steps of (S1) material selection, (S2) medicine adding, (S3) flotation and (S4) weighing. The financial resources and the material resources in fluorite flotation are greatly reduced; the cost is saved; the fluorite recovery efficiency is high; and the low-temperature resisting pharmaceutical formula can be widely applied to the technical field of fluorite flotation.
Owner:洛阳丰瑞氟业有限公司

Intelligent garbage can

The invention discloses an intelligent garbage can. The intelligent garbage can comprises a box body, wherein the box body is connected to a first garbage can and a second garbage can which are integrated, and the first garbage can and the second garbage can are provided with an inner boxes used for containing garbage, a groove is formed in the upper portion of each inner box body of the side wallof the box body, and the inner wall of the groove is connected with a garbage throwing cover through a rotating shaft in hinged mode. According to the Intelligent garbage can, a solar power generation assembly is arranged to supply power to electricity utilization equipment inside the garbage can, thus achieving certain energy-saving effect; in addition, a high-definition wide-angle camera can shoot to-be-thrown garbage, and sent picture information to the DSP controller through a picture processing device; finally, the DSP controller carries out data analysis on the picture, and a garbage classification device is started to complete the garbage classification. The Intelligent garbage can automatically separate the garbage, so that the garbage can be prevented from being mixed together topollute the environment and generate peculiar smell, thus facilitating the recycling of resources, and reducing the labor and financial resources consumed by garbage treatment.
Owner:SICHUAN ZHONGZE ELECTRIC

Building block type smart home equipment

The invention discloses building block type smart home equipment. The equipment comprises a power adapter base and at least one smart home equipment module, wherein the power adapter base can provide a power supply for each smart home equipment module; besides, a transformer capable of converting 220 V civil alternating current into 12 V or 24 V direct current is mounted in the power adapter base; each smart home equipment module is connected with the power adapter base or mounted and connected with any one smart home equipment module in series or parallel and can receive and transmit signals and / or provide a power supply for the corresponding smart home equipment module; multiple front-end smart home equipment modules can be combined freely on one node, different demands of individuals in the modern society can be met, installation by users is simple, failure equipment is easy to replace, and manpower, material resource, financial resource and time costs for installation, use and maintenance can be substantially reduced.
Owner:陈斌

Display screen plane brightness measurement method and device, computer equipment and storage medium

ActiveCN109712547AAvoid problems requiring corresponding fabrication toolsSave human effortStatic indicating devicesOptical apparatus testingDot matrixData stream
The invention discloses a display screen plane brightness measurement method and device, computer equipment and a storage medium. The method comprises the steps of obtaining a two-dimensional coordinate data stream dot matrix of a display screen, then extracting four vertex coordinates of the display screen from the two-dimensional coordinate data stream dot matrix, calculating point coordinates of other points in the display screen according to the four vertex coordinates, and finally selecting part of point coordinates or all point coordinates in the display screen for gray scale measurement. According to the invention, the measuring requirements that the position of the display screen needs to be fixed and the display screen needs to be placed in parallel with the lens of the measuringinstrument in the measuring process are met, the problem that manufacturing tools need to be correspondingly manufactured for the display screen of each size is also avoided, manpower, material resources and financial resources are reduced, and the measuring efficiency and accuracy are improved.
Owner:深圳市巨烽显示科技有限公司

Road concave-convex object detection method and device

The invention relates to a road concave-convex object detection method and device, and relates to the technical field of intelligent traffic. The method comprises the following steps: firstly, acquiring an acceleration signal of each wheel of a vehicle, carrying out framing processing on the acceleration signal, and respectively calculating an acceleration difference and an acceleration multiple ratio of each frame of acceleration signal of each wheel; if the corresponding acceleration multiple ratio is larger than the corresponding preset acceleration multiple ratio threshold value, it is judged that the corresponding wheel passes through the concave-convex object in the corresponding frame, data information of each concave-convex object passed by the vehicle is obtained, and the data information of all the concave-convex objects is transmitted to a traffic department server; and the traffic department server evaluates each concave-convex object by using the data information of the concave-convex objects and the vehicle information of the corresponding vehicle. According to the road concave-convex object detection method provided by the invention, the problems that the detection effectiveness of the concave-convex object on the road is poor, the accuracy of the detection structure is low and the overall efficiency needs to be improved in the related technology are solved.
Owner:DONGFENG MOTOR GRP

Novel large cylindrical workpiece transporter

ActiveCN106315243ADoes not depend on proficiencySimple structureStorage devicesEngineeringWindlass
The invention belongs to the field of material transportation and discloses a novel large cylindrical workpiece transporter. The novel large cylindrical workpiece transporter comprises a moving mechanism, a windlass mechanism and a guide groove mechanism. The whole transporter is moved close to a ship body through the moving mechanism. The windlass mechanism puts down a third support to be level with the guide groove mechanism. Push rods, telescopic rods and first moving wheels in extension supports assist in position regulation of the guide groove mechanism, so that a centering plug pin of the guide groove mechanism is fixed to the ship body. Then, the extension supports are withdrawn into the third support. Cylindrical workpieces to be transported are tied through a rope to move forwards and are placed on a conveyor belt to continue moving forwards. Mechanical arms clamp the cylindrical workpieces and put the cylindrical workpieces into guide grooves. Second moving wheels drive the cylindrical workpieces to move to the ship body. The whole transportation process is completed. Through the novel large cylindrical workpiece transporter, the overall layout of products is compact; functions are integrated highly; the transportation accuracy is improved through regulation of the spatial position of the guide groove mechanism; and meanwhile, the novel large cylindrical workpiece transporter also has the characteristics of being convenient to operate and use and the like.
Owner:HUAZHONG UNIV OF SCI & TECH

Rapid development method for ground surface detection software special for inertial navigation system

The invention provides a rapid development method for ground surface detection software special for an inertial navigation system. The method includes the following steps: a first step, a data processing module extracts data information required by the ground surface detection software from a project database; and a second step, an application logic module selects input operations and a data display module which are required by a project according to the extracted data information in the first step, and meanwhile, automatically generating a corresponding ground surface detection software through a software-hardware isolation component library.
Owner:FLIGHT AUTOMATIC CONTROL RES INST

Laboratory intelligent high-throughput data acquisition terminal capable of automatically collecting information

A laboratory intelligent high-throughput data acquisition terminal capable of automatically collecting information comprises a bottom plate, a shell arranged at the top of the bottom plate, a support arranged at the bottom of the inner side of the shell, an air bag arranged at the bottom of the support, an inflation and deflation machine arranged at the bottom of the air bag, a buffer pad arranged at the top of the support, and a terminal body arranged on the bearing table, a first buffering mechanism is arranged on the inner wall of the shell, the top of the first buffering mechanism is connected with a bearing table, the bearing table is connected with a second buffering mechanism, the second buffering mechanism is connected with the inner wall of the shell, a vertical plate is arranged on the top of the bottom plate, a driving motor is arranged on the top of the vertical plate, the output end of the driving motor is connected with a screw, and moving blocks are arranged on the two sides of the shell and arranged on the screw in a sleeving mode. Compared with the prior art, the terminal has better buffering and damping performance and heat dissipation performance in structure, the terminal body on software can be in butt joint with all open protocols and actively upload collected data to a needed platform in real time, and the data collection protocol can be configured autonomously.
Owner:厦门抱壹智能科技有限公司

Remote-sensing monitoring method for infrastructure in boundary

The invention provides a remote-sensing monitoring method for infrastructure in the boundary. The method comprises the following steps that periods of remote sensing image data of the same research area and oil-gas pipeline distribution vector data in a geographic national condition general investigation result are collected, the collected remote sensing image data is preprocessed to obtain reflectivity data; a different integrated water body index model is constructed, and a threshold extracting water body area is set; according to a water body area and land binary result image as well as vector data of administrative boundaries, a boundary river water area image is obtained; superposition is carried out, a normalized building index model is constructed, and a boundary bridge is extracted; and the preprocessed reflectivity data is superposed with the oil-gas pipeline distribution vector data, coverage information is extracted, and superposition, contrast and analysis are carried out to realize dynamic remote sensing of the oil-gas pipelines in the boundary and monitor land surface coverage change. Thus, high-accuracy remote sensing monitoring is realized, and the method can be widely applied to remote sensing monitoring of infrastructure including the boundary bridge, oil-gas pipelines and the like.
Owner:SPACE STAR TECH CO LTD

Press head laminating device for laminating casing of MP3 (Moving Picture Experts Group Audio Layer-3) product

The invention discloses a press head laminating device for laminating a casing of an MP3 (Moving Picture Experts Group Audio Layer-3) product. The press head laminating device comprises a press head and a driving device and is characterized in that a vertical motion mechanism is fixedly connected to the upper end of the press head; and a rack mechanism of a gear driving mechanism, which is driven by a meshing driving device, is arranged on the outer side of the vertical motion mechanism. The press head laminating device has the characteristics of stable pressing, assembling and driving, accurate driving ratio, reliability in work, high assembly efficiency, high stability of assembly products, low reject ratio and the like.
Owner:昆山市圣吉川工业自动化设备有限公司

Aging accelerating treatment equipment based on magnetic induction electric field and yellow wine aging accelerating device

The invention discloses aging accelerating treatment equipment based on a magnetic induction electric field and a yellow wine aging accelerating device, and belongs to the field of light industry. The equipment comprises a magnetic core, a magnet exciting coil, a magnetic coupling pipe, material storage chambers and a processing chamber. The magnet exciting coil is wound on the upper side of the magnetic core. The magnetic coupling pipe is wound on the left and right sides of the magnetic core. The storage chambers comprise a feeding storage chamber and a discharging storage chamber. The feeding storage chamber and the discharging storage chamber communicate through a processing chamber, the processing chamber transversely penetrates through a central gap of the magnetic core, the two ends of the processing chamber further communicate with magnetic coupling pipe wound on the left side and the right side of the magnetic core through three-way connectors respectively, and the magnetic coupling pipe is filled with a food-grade agar solution with the sodium chloride concentration range being 5%-30% to serve as salt bridges. The agar concentration range is 0.5%-3%; Through the aging accelerating treatment equipment, the aging process can be accelerated under the combined action of the thermal effect and the non-thermal effect of an induction electric field; and direct contact between the yellow wine and electrodes is avoided, and the characteristics of greenness and high efficiency are realized.
Owner:JIANGNAN UNIV

Dry-dock-free underwater shallow-buried open-cut large channel basic structure unit and construction method

ActiveCN112982476AReduce the difficulty of site selectionAvoid influenceArtificial islandsUnderwater structuresAir volumeMarine engineering
The invention relates to a dry-dock-free underwater shallow-buried open-cut large channel basic structure unit and a construction method. The basic structure unit used in the method has the following characteristics that the length of each basic structure unit is 20-25m, a sealing door is arranged at one end of each basic structure unit, the other end of each basic structure unit is of an open structure, and a drainage pressure relief valve is arranged at the lower end of each sealing door; a rubber water stop belt is arranged at the end of each basic structure unit in a surrounding mode, and a floating and ballasting cabin capable of adjusting the water inlet and drainage capacity is fixed in each basic structure unit; and at least four axis positioning foot stands are arranged at the bottom of each basic structure unit. The channel basic structure unit can be directly prefabricated on the flat ground, a large temporary dry dock does not need to be built, the temporary engineering investment is reduced, the manufacturing cost of an underwater channel is reduced, and the construction period of the underwater channel is shortened; and the basic structure unit can slide into a water area from a land area through a slideway, the basic structure unit is kept in a suspended state in water by adjusting the air volume in the floating and ballasting cabin, the basic structure unit is pulled and sunk by a floating crane ship, the construction efficiency is improved, and the water construction difficulty is reduced.
Owner:CHINA RAILWAY LIUYUAN GRP CO LTD +1

Method for predicting liquid crystal molecule birefringence by establishing QSAR model

PendingCN113506598ABirefringence is fast and efficientVerify stableComputational materials scienceInstrumentsChemical synthesisData set
The invention relates to a method for predicting liquid crystal molecule birefringence by establishing a QSAR model. The method comprises the following steps: establishing a data set containing corresponding structures in to-be-predicted liquid crystal molecules; building an initial structure of each compound in the data set by using gaussview software, and optimizing the structures by using gaussian 09; calculating descriptors by using dragon 7 software; screening descriptors by using QSARINS software, and inputting birefringence experiment data; splitting liquid crystal molecules in the data set into a training set and a verification set according to a ratio of 6: 1; carrying out stepwise regression analysis by using QSARINS software, and establishing a multivariate linear relation model; obtaining a regression equation; and applying the model. The method can quickly and efficiently predict the birefringence of the liquid crystal molecules, is low in cost, simple, convenient and quick, and reduces manpower, material resources, financial resources and time consumed by chemical synthesis and testing.
Owner:VALIANT CO LTD

Method for preparing polyphenylene sulfide from benzene and sulfur

ActiveCN108948355AOvercome molecular chain regularityOvercoming high crystallinityFiberBenzene
The invention discloses a method for preparing polyphenylene sulfide from benzene and sulfur. The method comprises the following steps: (1) sequentially adding a solvent and an inorganic salt catalystinto a reaction kettle, starting to stir, adding sulfur, continuously stirring until uniform suspension liquid is formed in the reaction kettle; (2) adding benzene into the suspension liquid, adjusting the temperature in the reaction kettle to 60-100 DEG C, and reacting at a constant temperature for 0.5-1.5 hours; (3) adjusting the temperature in the reaction kettle to 120-170 DEG C, and reactingat a constant temperature for 2-6 hours; (4) adjusting the temperature in the reaction kettle to be lower than 40 DEG C, and carrying out solid-liquid separation, so as to obtain a polyphenylene sulfide resin crude product; and (5) washing and drying the polyphenylene sulfide resin crude product, so as to obtain the polyphenylene sulfide resin. According to the method, amorphous polyphenylene sulfide resin is synthesized through the reaction of benzene and sulfur, so that the problem that existing polyphenylene sulfide is difficult to be processed into a film or a fiber due to the high crystallization degree is solved; and production purify is high, the solvent is easy to recycle, the production cost is low, and the ''three wastes'' are remarkably reduced.
Owner:四川中科兴业高新材料有限公司

Intelligent device for clothing quality inspection

The invention belongs to the technical field of garment production and particularly relates to an intelligent device for clothing quality inspection. The device comprises a supporting device, a connecting device and a control box. The top of the supporting device is connected with the connecting device. The connecting device is rotationally connected with the control box; a groove is formed in theouter wall of the control box; an infrared focusing unit, a defect detection unit, a thread end detection unit, a wide-angle image collection unit, a stain detection unit and a color difference detection unit are arranged in the groove; a loudspeaker is arranged at the bottom of the outer wall of the control box; light supplementing lamp strips are arranged on the left side and the right side inthe groove; a signal lamp belt is arranged on the outer wall of the control box, a control panel is arranged at the top of the control box, a controller is arranged in the control box, and by automatically inspecting the appearance quality of the clothes, manual operation is reduced, inspection efficiency is improved, consumption of manpower, material resources and financial resources is reduced,errors are reduced, and influences on brand images are reduced.
Owner:HENAN INST OF SCI & TECH

Guiding cover type granary with adjustable material paths

The invention relates to a guiding cover type granary with adjustable material paths. The guiding cover type granary comprises a guiding cover, a granary body, a grain bin, a granary distribution opening, an overturning plate and a grain distribution opening, the granary distribution opening connected with the granary body is formed in the guiding cover, the grain distribution opening connected with the grain bin is formed in the guiding cover, screws are arranged on side wall holes in the guiding cover in a penetrating manner, the overturning plate is fixed into the guiding cover, and the shaft end of the overturning plate rotates by 55 degrees by taking the screws as rotating shafts in the guiding cover. After the overturning plate is opened, the free end of the overturning plate is connected with a retaining rod, and the guiding cover is communicated with the granary body through the granary distribution opening. After the overturning plate is closed, the free end of the overturningplate is vertically fixed into the side wall of the guiding cover through a pin, and the guiding cover is communicated with the grain bin through the grain distribution opening, so that corncobs andcorn kernels are separated and stored. A position of a sliding plate is adjusted, corn kernels generated in the harvesting process can selectively enter the granary body and the grain recovery bin, later manual separation cost of a farmer is reduced, and economic benefits are created.
Owner:远大智浦(沈阳)农业机械制造有限公司

Fruit tree rotation device and liberobacter asiaticum control and repairing process

The invention discloses a fruit tree rotation device and a liberobacter asiaticum control and repairing process. By means of the process, through rotation management for fruit trees, the immune function of the fruit trees is greatly improved, so that citruses or other fruit trees are not easily infected with liberobacter asiaticum, canker, root rot or the like; the citruses with liberobacter asiaticum which are sprayed with antibiotics to eliminate the degradability of endophytes can be prevented from being re-infected, the repairing effect on the citruses with liberobacter asiaticum is achieved, meanwhile, the repairing effect on the root rot of other fruit trees is also achieved, and the worldwide problem that liberobacter asiaticum and fruit tree root rot cannot be radically treated iseffectively solved; meanwhile, the use amount of chemical fertilizer is reduced, the fertilizer efficiency is improved, the use of a large amount of pesticide for control and treatment is avoided, thepollution of the chemical fertilizer and pesticide to the environment is reduced, the yield of the fruit trees is increased, the fruit quality of the fruit trees is improved, and the economic incomeof fruit farmers is increased.
Owner:曾瑞庆

Wild animal weak supervision sound recognition method based on deep learning

A wildlife weak supervision sound recognition method based on deep learning relates to the field of wildlife sound recognition, and comprises the following steps: training a sound recognition model: obtaining a video set containing wildlife images and sounds; extracting an image frame sequence in the video and a corresponding audio; identifying the image frame by using a deep learning network to obtain a category attribute tag; converting the audio time domain data into frequency domain data; creating a training database; performing voice recognition model training by utilizing the category attribute labels and the frequency domain data; voice recognition model reasoning: acquiring a video set only containing voices of wild animals; extracting audio data in the video; converting the audio time domain data into frequency domain data; and recognizing the frequency domain data by using the voice recognition model to obtain a final category attribute tag. According to the method, the sample labeling cost is reduced, the deep learning method is adopted, the feature template does not need to be manually screened, and the accuracy and the recognition efficiency are improved.
Owner:CHINA FORESTRY STAR BEIJING TECH INFORMATION CO LTD
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