195results about How to "Wide distribution" patented technology

A water spray head for spraying water spray mist in a fire prevention system, includes a water supply duct; a spray head upper body; a fluid chamber; and a “w” shaped bottom, on which at least two rings of nozzles are installed. The water spray head has a body with a “w” shaped bottom, a chamber and two rings of liquid mist nozzles on the slant walls of the “w” shaped bottom. The liquid mist sprays from the nozzles at the inner ring may collide with each other directly or tangentially to form finer liquid droplets and a more uniformly distributed “solid cone” water spray. The water mist formation of the individual nozzle is also designed to be based on the collision of liquid streams from multiple small flow channels in a large flow channel, thereby forming even finer droplets.

The present invention relates to a coated fiber based substrate comprising a dispersion coating wherein said dispersion coating comprises microfibrillated cellulose and colloidal particles of a polymer. The invention further relates to a package formed from said substrate, a dispersion coating and process for the production of mentioned substrate.

The invention discloses a multi-inter-domain asymmetric group key agreement protocol method under the mobile cloud computing network environment. The method comprises the following steps: adopting a bilinear mapping technology and a blind secret key technology to realize a short signature mechanism between a domain secret key management center and a domain terminal; using a short signature technology to realize a multi-inter-domain group key agreement authentication mechanism of terminals distributed in different domains, and further realize asymmetric group key agreement of the terminals distributed in multiple domains. The protocol method disclosed by the invention has the anonymity and the authentication, supports dynamic group key updating of nodes, and realizes the security of forward confidentiality and backward confidentiality of the group keys; on the hypothesis of the Diffe-Hellman bilinear computing problem, the security of the protocol is proved; the computing and communication energy consumption of the protocol is low; the method is good in flexibility, security and practicability, and suitable for cross-domain group key agreement of the terminals distributed in the multiple domains under the mobile cloud computing network environment.

The invention discloses a coal mine goaf filling material made of gangue, which comprises the following components according to parts by weight: 15 parts of gangue, 4 parts of coal ash and 0.6 parts of cement. The potential gel performance of the gangue is reasonably utilized, the gangue is filled to an underground goaf to furthest improve the use ratio, and the ground surface stockpiling amount is reduced. In the mine gluing and filling operation, the coal ash is utilized to replace parts of cement so as to reduce the mine filling cost and lower the production cost.

The invention relates to a preparation method for a wood-bamboo reinforced resin composite material based on high-pressure densification, and belongs to the field of composite materials and artificialboards. The preparation method for the wood-bamboo reinforced resin composite material based on the high-pressure densification comprises the steps that lignin and hemicellulose are partially removedfrom wood veneers, wood boards or bamboo sheets by a chemical reagent, the chemical reagent is removed by water, and the water is replaced by ethanol or acetone; the wood veneers, the wood boards orthe bamboo sheets with lignin and hemicelluloses removal are put into a mixed solution of a resin system or a resin solution and a flame retardant, a diluent and / or a toughening agent additive, or sequentially put into the resin system or the resin solution and the mixed solution of the additive, so that the resin and additive penetrate into cells and cell pores of the wood or the bamboo; and semi-finished products are assembled into blanks, and high-pressure densification and high-temperature curing are carried out to prepare the high-strength composite material. The preparation method for the wood-bamboo reinforced resin composite material based on the high-pressure densification overcomes the stress concentration problem caused by the pores and the like in an existing artificial board,and the prepared novel structural composite material has good mechanical properties and flame retardancy, so that the application of wood in the structural fields of airplanes, high-speed trains, buildings and the like are greatly promoted.

The invention discloses an ecological simulation-based electric car battery charging and replacing service network simulation system and a method. According to the method, an electric car user system model, a battery charging and replacing service network system model and a power grid system model are processed into a simulated ecosystem, the electric car user model is regarded as a biological population of the ecosystem, the motion and the battery charging and replacing actions of the electric car population in one region are simulated by virtue of an ecological simulation method, a large quantity of individuals complying with simple rules present a swarm intelligent optimization algorithm without central control, an optimal matching scheme is generated, and various index parameters are output, so that the service ability of battery charging and replacing facilities is judged. Therefore, the battery charging and replacing facilities can be guided to be planned and constructed, and the electric car development is promoted.

The invention discloses an inner inclined support assembled type concrete shear wall prefabricated part. The inner inclined support assembled type concrete shear wall prefabricated part has the characteristics of strong tensile and shock resistance, light damage degree and low bearing capability and rigidity attenuation degree and is capable of effectively limiting or postponing the crack propagation. The inner inclined support assembled type concrete shear wall prefabricated part comprises double rows of reinforcement steel bar meshes, inclined support longitudinal bars and a shear wall, wherein the double rows of reinforcement steel bar meshes consisting of horizontally distributed bars and longitudinally distributed bars are arranged in the shear wall; tie bars are tied arranged between the reinforcement steel bar meshes; the inclined support longitudinal bars are arranged between the horizontally distributed bars and the longitudinally distributed bars; two short steel bars are arranged between the parallel inclined support longitudinal bars; the short steel bars are perpendicular to the inclined support longitudinal bars; the lower ends of the inclined support longitudinal bars are bent and then vertically extend to performed holes; the upper ends of the inclined support longitudinal bars are bent and then vertically extend out of the shear wall. According to the inner inclined support assembled type concrete shear wall prefabricated part, on the basis of common assembled type shear wall reinforcements, the inclined support longitudinal bars are additionally arranged to form a core bundle with inclined reinforced concrete, so that the seismic capacity of the assembled concrete structure is greatly enhanced.

The invention discloses a nitrogen and sulfur-co-doped active carbon for a supercapacitor and a preparation method for nitrogen and sulfur-co-doped active carbon for the supercapacitor. The nitrogen and sulfur-co-doped active carbon for the supercapacitor is mainly prepared from the following components in parts by weight through carbonizing and activating processes: 1-2 parts of Dafa sterculiaceae plant fruits which are carbonized in powder and 1-4 parts of an alkaline activator. The preparation method comprises the following steps: (1) carrying out carbonization: 1, carrying out immersion; 2, carrying out hydro-thermal treatment; 3, carrying out centrifugal water filtration; 4, carrying out drying; and 5, carrying out grinding; and (2) carrying out activation: 1, raising and keeping temperature in a stage manner; 2, slowly reducing the temperature; 3, immersing in a hydrochloric acid solution; 4, carrying out water washing; and 5, carrying out drying to obtain the nitrogen and sulfur-co-doped active carbon. The nitrogen and sulfur-co-doped active carbon has the advantages: 1, the preparation process is simple; 2, the prepared active carbon is wide in pore distribution and high in specific surface area; and 3, the nitrogen and sulfur-co-doped active carbon has the advantages of being high in capacity, good in circulating performance, high in charging and discharging efficiencies and the like.

The invention discloses a distributed optical fiber sensing signal space-time information extraction and identification method, and belongs to the technical field of optical cable safety monitoring. Adistributed optical fiber vibration sensing system is used for collecting vibration signals along a communication optical cable, time-space signal samples near a vibration source are labeled with event type labels, and a typical event database is established; a CNN-BiLSTM deep learning model based on the space-time signal structure is constructed; time structure information of each spatial pointsignal of the spatio-temporal signal is mined by using a CNN network, correlation of each spatial point signal in the spatio-temporal signal is mined by using a bidirectional long-short-term memory model, and the model is trained based on a typical event database to obtain an optimal model; and finally, the spatio-temporal signal of the event to be detected is identified by using the optimal model. According to the method, the CNN-BiLSTM deep learning model is utilized to synchronously extract the time structure information and spatial distribution characteristics of the distributed optical fiber vibration sensing time-space signals and perform identification, and the effect of the method is superior to that of a signal identification method which mainly extracts the signal time characteristics in the field.

The invention relates to a method for monitoring a communication service. The method for monitoring the communication service comprises the following steps of: setting a service monitoring platform to realize human-computer interaction and data management in a way of abiding by an internet inter-orb protocol (IIOP) with a monitoring agent module; setting at least one monitored computer, wherein each monitored computer is provided with a monitoring agent module which is responsible for acquiring data form a monitored module, transmitting a command to the monitored module and controlling the starting or opening of the monitored module; and setting at least one monitored module to correspond to each monitoring agent module to realize specific services, acquiring monitoring data, executing a control command and organizing the display of a data model, wherein each monitored module is provided with interface description information and a data element model which are used for monitoring business services.

The invention discloses a greenhouse seedling cultivating method for kalopanax septemlobus seeds.The method comprises steps of seed collecting, seed processing, seed sprouting, sowing, seedling stage management, outplanting and kalopanax septemlobus seedling cultivating.The greenhouse seedling cultivating method is characterized in that for the seed sprouting process, the bottom of a sprouting disc provided with holes at the bottom is loaded with vermiculite which is 5-6 cm deep, the vermiculite is watered with sufficient water, the disinfected seeds are broadcast on the surface of the vermiculite and covered with a layer of vermiculite of 1-1.5 cm, the sprouting disc is covered with a layer of gauze and watered with sufficient water, the sprouting disc is put in a sunlight greenhouse, the greenhouse temperature is controlled to range from 0 DEG C to 25 DEG C under natural lighting, and the sprouting disc containing the seeds is kept wet.According to the greenhouse seedling cultivating method for the kalopanax septemlobus seeds, highly integrated control over the whole seedling cultivation process is achieved, the method is easy to master, the obtained cultivated kalopanax septemlobus seedlings are high in survival rate, and the technology is convenient to popularize and specially suitable for large-scale industrial seedling cultivation.

A rotor for a straw chopper includes a rotor body, a mount disposed on the rotor body, at least one copper blade suspended, detachably, in a swinging fashion on the mount with a fastening element, and a fan blade element detachably connected to the mount by way of the fastening element. The fan blade element is attached in a rigid manner to the rotor body.

A rotor for a straw chopper includes a rotor body, a mount disposed on the rotor body, at least one copper blade suspended, detachably, in a swinging fashion on the mount with a fastening element, and a fan blade element detachably connected to the mount by way of the fastening element. The fan blade element is attached in a rigid manner to the rotor body.

The invention discloses a method for identifying a group of key nodes by using generalized discount degree and k-shell in a complex network. Inspiring is carried out by the degree centrality; the concept of generalized discount degree is provided by using the concept of neighbors; and the degree centrality of a group of nodes is calculated by using the generalized discount degree, that is, the more the neighbor number of the group of nodes in the network is, the greater the influence of the group of nodes on the network is, and meanwhile, the k-shell is considered to solve the position of a single node in the network and determine the influence of the nodes on the network. According to the method, the algorithm is low in mining cost, wide in propagation range and large in propagation information amount; simulation experiments and result analysis are carried out in six real networks and compared with ten other algorithms, and it is found that the initial propagator selected through themethod is wide in distribution range, high in propagation speed and wide in propagation range.

The invention discloses a method for making a white-light LED with a high color rendering index, which comprises the following steps: fixing a blue LED wafer in a base by adhesive, welding a golden wire, evenly mixing the mixture of the adhesive and fluorescent powder, coating the mixture on the blue LED wafer, and baking to cure and form, wherein the fluorescent powder is mixed by yellow fluorescent powder, red fluorescent powder and green fluorescent powder with a plurality of wavelengths. The invention has the advantages of simple operation process, low cost, strong practicability and high light efficiency; by adjusting the mixing proportion of four kinds of fluorescent powder, spectrums with five continuous wavelengths can be obtained, thereby realizing the spectral radiance of 430-700 nm; the color rendering index of the white-light LED can reach above 90; and the color temperature can be continuously adjusted within the range of 2,800-6,500 K.

The invention discloses a directional beam based wireless network master-slave synchronization method. The directional beam based wireless network master-slave synchronization method comprises the steps of regarding a node which initiates time synchronization in the network as a master node; correspondingly regarding nodes synchronized with the master node as slave nodes; dividing a master-slave synchronization process into a coarse synchronization stage and a fine synchronization stage based on characteristics of directional beam transmission. In the coarse synchronization stage, the master node initiates a synchronization process through directional broadcasting of a coarse synchronization frame; and in the fine synchronization stage, clock slew of the slave nodes and the master node which receive the coarse synchronization frame successfully is removed through directional interaction between a fine synchronization request frame and a fine synchronization response frame, and the time synchronization is realized. After time synchronization of the slave nodes and the master node is finished, each slave node which serves as a master node broadcasts the coarse synchronization frame directionally to neighbor nodes and initiates the synchronization process for the neighbor nodes to further realize time synchronization among all the nodes in the network. The validity of the method is proved by a simulation experiment in the wireless network simulation environment EXata.

The invention discloses a method of making use of a plurality of dispersed waste heat sources and various waste heat vector mediums for generating. A waste heat generating system is arranged and the system is provided with a plurality of subsystems at the same row; the number of the subsystems is same as that of the dispersed waste heat sources. Each subsystem has a closed circuit cycle device comprising a working fluid condenser, a pump, a waste heat exchanger and a turbine that are connected through pipes in sequence and a motor connected with the turbine; the working fluid to each subsystem is matching with the waste heat vector medium of the subsystem. All subsystems are divided into groups with two in each group and each group has a high temperature subsystem and a low temperature subsystem; the liquid phase working fluid of the low temperature subsystem exchanges heat with the vapor phase working fluid of the high temperature subsystem which has done work and then is sent to the waste heat exchanger of the low temperature subsystem to be vaporized after being preheated; or the liquid phase working fluid of both the high and the low temperature subsystems respectively exchange heat with the vapor phase working fluid of the high temperature subsystem which has done work and then are sent to each waste heat exchanger to be vaporized after being preheated.

The invention discloses a zolpidem tartrate oral spraying agent and a preparation method thereof. The oral spraying agent uses water as a solvent and 100ml of oral spraying agent comprises 1 to 10g of zolpidem tartrate, 0.1 to 50g of solubilizer, 0.1 to 5g of sorbefacient, 0.01 to 5g of flavoring agent and 0.1 to 3g of antioxidant. After the zolpidem tartrate oral spraying agent is sprayed and taken by oral cavity or hypoglottis, the medicament is mainly absorbed through the oral cavity or sublingual mucosa to avoid first pass effect of liver and food influence; therefore, the medicament is absorbed more rapidly, takes effect more quickly, and has smaller individual difference; and the medicament has convenient use, is taken without water before bedtime, and is particularly suitable for patients who are incompliant to oral administration and injection. Due to wide distribution range of the medicament in oral mucosa after spraying and administration and the effect of the sorbefacient, the medicament is rapidly absorbed from the oral mucosa and has quick-acting effect.

A flexible manufacturing and executing system based on radio communication comprises data collection unit, RS232 communication interface, workshop information management unit, radio data transmitting unit, application program server APS, SQL server databank, web browser and web server. It is featured as transmitting collected data to APS through Internet network and radio data transmitting unit, storing said data in SQL server databank and forming decision after said data is processed by calling APS, issuing decision on web server and using web browser to link with web server by client end for carrying out access on decision content and for obtaining or inquiring data stored in SQL server databank. .

The invention relates to a house-fly pupa natural antibiotic peptide product as well as a preparation method and application thereof; house-fly pupas, the raw material of the antibiotic peptide product, are extracted overnight by acid and hot-processed to collect supernatant; and after going through siever filtration and ultrafiltration precessing, the supernatant is treated with spray dring to obtain the antibiotic peptide product. The preparation technique of the antibiotic peptide product is simple and quick, the yield of the antibiotic peptide reaches 1.2 percent and the recovery rate of the antibacterial activity is over 80 percent. The prepared house-fly antibiotic product consists of peptides which have the molecular weight less than 20kDa and are mainly micromolecular peptides with the molecular weight less than 14.4 kDa. The antibiotic peptide product has broad-spectrum antibiotic activity and no hemolytic activity to blood erythrocytes of mice and is characterized by high temperature resistance, acid and alkali resistance and good stability. The byproducts of the technique can serve as feeding insect protein powder. The prepared antibiotic peptide product can be widely applied to the fields such as the antisepsis and storage of foods, fruits and vegetables, feed additives, cosmetic and the like.

The invention discloses a paecilonyces variotii strain H6 and application thereof. The paecilonyces variotii strain H6 with a preservation number of CGMCC No. 3722 is preserved at China General Microbiological Culture Collection Center on April 9, 2010. The paecilonyces variotii strain H6 widely spreads in the nature, quickly propagates and has strong growth capability. The invention provides the application of the paecilonyces variotii strain H6 in formaldehyde degradation and provides the technical support for the biological treatment engineering with formaldehyde pollution.

The invention discloses a seedling raising method for watermelons. The method comprises the steps of rootstock preparation, seedling raising preparation, seedbed preparation, seedling raising, management in a sowing period, grafting and management of grafted seedlings. According to the method provided by the invention, watermelon grafting cultivation is performed on the continuous cropping ground,and above operation has the following advantages: 1, an occurrence of blight is effectively prevented; 2, the watermelons can be grown at lower temperature; and 3, a root system of pumpkin rootstockis stronger than that of a watermelon, the grafted seedlings have stronger water absorbing and fertilizer absorbing capacity, and the roots are widely distributed in soil, so that after the watermelons are grafted, fertilizers can be saved, and the yield of the watermelons can be improved; when tissue culture of triploid seedless watermelons is performed, root induction of vegetative propagation seedlings is more difficult, the vegetative propagation seedlings are used as scions to be grafted onto the pumpkin rootstock, so that a shortcoming that seedless watermelon seeds are difficult to reproduce is overcome; when industrialized seedling raising is performed, under the condition of small seeds, branches or buds are grafted onto the rootstock, so that a quantity of the grafted seedlings is greatly increased; and therefore, the method of using pumpkin and gourd as a rootstock and grafting watermelon seedlings is an effective way of development of watermelon planting.

The invention provides a construction method for a static pressure prestressed pipe pile applied to sea-filling geology. The construction method mainly meets pipe pile demands in complex geology environments with rock-filled layer lithology being intermediary weathered and slightly weathered granite, wide distribution range of rock-filled layers, large buried depth, Yanshanian intrusion granite as foundation rocks, compact and hard lithology and uneven distributed rock elevation. According to the provided construction method, a reasonable effective pile foundation construction mode can be selected, and the influence of the geological conditions on basic foundation construction qualities is minimized. Besides, good features of small vibration, low noise and the like of the pipe pile can be guaranteed; the pile breaking rate is greatly reduced in pile foundation infrastructure under ultra-deep rock-filled geology and Yanshanian granite geology conditions; meanwhile, the construction cost is reduced; the construction period is shortened; the problem of difficult pile foundation construction under the complex sea-filled geology condition is completely solved; technological support and references are provided for the pile foundation construction under the similar sea-filled geological conditions.

The magnesia clay antibiotic material preparing process includes the following steps: heat activating magnesia clay through calcining at 100-850deg.c for 10-120 min to prepare the antibiotic carrier; preparing antiseptic solution in 0.1-1.0 mol / L concentration; compounding active magnesia clay slurry with solid content of 5-30wt%, adding antiseptic solution in 3-10 wt% of active magnesia clay and reaction at 10-95deg.c for 1-10 hr for complete reaction between the antiseptic ion and magnesia clay and adsorption of antiseptic ion to the porous magnesia clay structure; and washing, dewatering, stoving and grinding. The magnesia clay antibiotic material is used mainly for household appliance, chemical building material, telecomm product, food package, etc.

In the method for interspersing a gas flow with liquid droplets, the liquid droplets are injected in a liquid injection plane into the gas flow, characterized in that an auxiliary gas is simultaneously injected with the liquid droplets into the gas flow. The injection speed of the auxiliary gas is larger than the injection speed of the liquid droplets so that the injected auxiliary gas stabilizes the injected liquid droplets with respect to trajectory and size, partly shields them from the gas flow and / or entrains them into the gas flow. By way of this one achieves an improved control of the spatial distribution of the liquid droplets and their size distribution. The liquid droplets penetrate the gas flow more efficiently than without an auxiliary gas. A preferred use is the online wet-cleaning of a gas turbine compressor.

The invention belongs to a method for recognizing oil and gas reservoirs in oil exploration and development and particularly relates to a method for fast recognizing a low-resistivity zone through optimizing drilling mud to determine oil content. The method includes optimizing drilling mud parameters according to drilling coring materials in a zone to be detected and earth's surface physical materials, establishing evaluation to form a drilling mud resistivity model of the low-resistivity zone; and detecting the drilling mud resistivity value of the zone to be detected and recognizing the process of the low-resistivity oil and gas reservoirs through combining the model, wherein Rmf>KRw in the drilling mud resistivity model. By means of the method, the recognition rate of the low-resistivity oil and gas reservoirs can be improved, therefore the exploitation rate of the low-resistivity oil and gas reservoirs can be improved, and exploratory and development costs can be reduced.

The invention discloses an Internet of Things-based PM2.5 (Particulate Matter2.5) purification system applicable to a public infrastructure. The Internet of Things-based PM2.5 purification system applicable to the public infrastructure comprises an Internet of Things monitoring center, a communication base station, the public infrastructure and a PM2.5 purification device, wherein the Internet of Things monitoring center is used for monitoring and correspondingly controlling the atmospheric environment around the public infrastructure and operation states of the PM2.5 purification device in long distance; the communication base station is taken as a communication medium between the Internet of Things monitoring center and the PM2.5 purification device; the PM2.5 purification device is capable of generating negative ions in a high-voltage ionization manner and purifying PM2.5 in the atmospheric environment; the opening and closing states of the PM2.5 purification device and the negative ion generation power can be controlled by the Internet of Things monitoring center in long distance. The system is capable of intelligently purifying the PM2.5 in the outdoor atmospheric environment and saving energy.

The invention relates to a loading vehicle for high-voltage cable maintenance equipment. A bridge tool box, an operation control platform and the high-voltage cable maintenance equipment can be loaded on the loading vehicle. The loading vehicle comprises a cab, an operating chamber and a high-voltage maintenance equipment room, wherein the operating chamber and the high-voltage maintenance equipment room are formed through a partition in the middle of an original carriage, an organic glass observing window is arranged at the upper part of the partition, the bridge tool box and the operation control platform are loaded in the operating chamber, and the high-voltage cable maintenance equipment is loaded in the high-voltage maintenance equipment room; the cab comprises an original vehicle driving seat, an original vehicle operating table, an original vehicle rearview mirror, an alarm lamp controller, a rearview screen and a strip alarm lamp, and the operating chamber comprises an non-standard equipment cabinet, a power generator chamber, a rotatable operating chair, a standard equipment cabinet, a support plate, an original vehicle air conditioner and a case. Compared with the prior art, the loading vehicle has the advantages that the maintenance equipment and accessories are loaded, the maintenance, expansion and heat dissipation of the equipment are ensured, a comfortable movable office environment is built, and the like.

The invention relates to a magnetic driving rotary gas distributor equipment of gas-liquid multi-phase system. It includes a tower device with magnetic driving device, the rotary-type gas distributor can be directly rotated in the tower bottom to make gas distribution. The gas distributor is driven by rotary permanent magnetic field produced by magnetic driving device and rotated so as to implement goal of rotary gas distribution. In the supporting disk of the gas distributor a gas ingress pipe hole is set, and the ring-shaped gas distribution cavity chamber in the supporting disk and the gas-feeding circular hole on the rotary hollow shaft can be used for making gas distribution, in the bottom end of the rotary hollow shaft a cleaning pollution-discharging valve is mounted.

The invention particularly relates to a preparation method of recycled concrete for improving chlorine ion resistance by utilizing regenerated powder. The method comprises: respectively grinding powders in waste concrete and waste clay brick breaking processes to prepare regenerated powder, partially replacing cement with the regenerated powder, and stirring to prepare the recycled concrete by adopting a neat paste stone-wrapping method. According to the invention, the prepared recycled concrete can fully utilize the construction waste and reduce the cement consumption, has good chlorine ion penetration resistance, and further has remarkable economic benefits, social benefits and environmental benefits.