63results about How to "Limit transmission" patented technology

The invention relates to the technical field of lithium ion batteries, in particular to a current collector, a preparation method of the current collector and a lithium ion battery comprising the current collector. The current collector comprises a two-layer coating which includes a conductive slurry coating and a conductive polymer PEDOT (poly(3,4-ethylenedioxythiophene)):PSS (poly(styrenesulfonate)) coating from inside to outside. The two-layer coating of the current collector has high electrical conductivity at the room temperature, and the electrical conductivity is reduced abruptly at a high temperature. When thermal shock, over-charging and short-circuited failure happen to the lithium ion battery using the current collector, the temperature rises to be higher than 100 DEG C abruptly, the electron conductivity of the two-layer coating is reduced abruptly, transmission of electrons on the current collector is quickly and effectively limited, an electron source for reactions in the battery is cut off, and in-site overheat protection is provided for the battery in time.

The invention provides a method for establishing a virtual local area network (VLAN) forwarding channel. The method for establishing the VLAN forwarding channel is applied in a network management server, and comprises the following steps of receiving a flowtable-based VLAN channel establishment request from an SDN (Software Defined Network) controller, wherein the request carries address information of a source node and a destination node of a flowtable; acquiring a source forwarding device and a destination forwarding device according to the address information of the source node and the destination node, wherein the source forwarding device is an edge forwarding device for connecting the source node into a bottom layer network, and the destination forwarding device is an edge forwarding device for connecting the destination node into the bottom layer network; instructing the address of the source forwarding device as a source address and the address of the destination forwarding device as a destination address to generate an attribute register message of the VLAN and send; adding an ingress port and an egress port of the attribute register message into the VLAN through the forwarding device where the attribute register message passes through. Through the technical scheme provided by the invention, the occupation of network resources is reduced, and the performance of the bottom layer network is improved.

The invention discloses a water-based nano thin-coating heat preservation paint and a preparation method thereof. The paint comprises the following raw materials by weight: 30-40 parts of an acrylic emulsion, 5-10 parts of titanium dioxide, 20-40 parts of hollow glass beads, 5-20 parts of aerogel and 5-10 parts of a film-forming assistant. According to the invention, the hollow glass beads and aerogel are used as the heat insulation basic raw materials, the heat conductivity coefficient of the paint is greatly reduced and is as low as 0.031-0.035W/m.K, and the paint can reach a remarkable heatinsulation effect under the condition of a very small construction thickness. Meanwhile, the hollow glass beads and the aerogel are conducive to improving the chemical stability of the paint itself,thus improving the covering power, lightening power, corrosion resistance, light resistance and weather resistance, and enhancing the mechanical strength of the paint; cellulose, a wetting dispersant,a defoaming agent and a preservative are mixed; by virtue of ethylene glycol, the acrylic emulsion and a pH regulator, the paint has excellent cohesiveness, weather resistance, film-forming properties, gloss and color retention and mechanical properties; and the use of a vinyl chloride-vinylidene chloride copolymer emulsion also can reach a grade A1 flame retardant effect.

The invention discloses a preparation method of a lettuce mosaic virus nano-enzyme immunochromatographic test strip. The preparation method comprises the steps of: sequentially pasting a water absorption pad, a nitrocellulose membrane and a glass fiber membrane on a PVC (Polyvinyl Chloride) bottom plate, and arranging the nitrocellulose membrane between the water absorption pad and the glass fibermembrane; respectively spraying a C line and a T line on the surface of the nitrocellulose membrane of a blank test strip by using an XYZ three-dimensional membrane scratching and gold spraying instrument, and performing drying in a drying oven at a temperature of 37 DEG C, wherein the line C is a goat anti-rabbit IgG antibody line, the T line is an IgG antibody line of rabbit anti-lettuce mosaicvirus LMV; and putting a PVC cover plate on the PCV bottom plate, and forming a color developing window hole and a sample adding hole in the PVC cover plate, wherein the C line and the T line are arranged in the color developing window hole, and the distance between the T line and the sample adding hole is smaller than the distance between the C line and the sample adding hole. The method has theadvantages of relatively high sensitivity, good specificity, low price, short detection time, simplicity in operation and the like, and is suitable for rapid port on-site detection of the lettuce mosaic virus. The establishment of the method provides a new method for the rapid detection of the LMV.

The invention discloses a half-mode substrate integrated waveguide liquid crystal adjustable filter with embedded coupling metal wires. The filter comprises a half-mode substrate integrated waveguide, the half-mode substrate integrated waveguide comprises a dielectric substrate assembly, the dielectric substrate assembly comprises a first metal layer and a second metal layer arranged opposite to the first metal layer, the first metal layer and the second metal layer are connected through a plurality of metal through holes, the plurality of metal through holes form a through hole array to form a substrate integrated guided electromagnetic wave structure in the dielectric substrate assembly, a double-internal rotation type open-loop resonance structure is etched on the first metal layer, the double-internal rotation type open-loop resonance structure comprises two end points which are symmetrically arranged, and the two end points spirally extend towards the interior of the ring at the same time, so that each edge part of the double internal rotation type open-loop resonance structure at least comprises two etching lines. According to the half-mode substrate integrated waveguide liquid crystal adjustable filter with the embedded coupling metal wires, miniaturization of an existing filter can be achieved, and meanwhile the problem that the working frequency of the filter is fixed and cannot be adjusted is solved.

The invention discloses an Internet-of-vehicles information sharing method based on a block chain architecture. In the method, a vehicle user is stimulated to become a Provider user node and share high-quality and reliable Internet-of-vehicles information to other users in the area, and a Consumer user node in the area pays awards to the Provider user node according to the effectiveness of the information provided by the Provider user node. According to the method, a vehicle user can effectively obtain the Internet-of-vehicles information in an area lacking RSU deployment, an area control nodeis used for carrying out management control on the Provider user node and the Consumer user node, the problem of overlong system response time in a fully distributed network can be solved, and the requirement of the Internet of vehicles for low time delay of information transmission is met. A Provider user node admission threshold is set according to a local area network environment, the messagecommunication traffic of the whole system network is reduced, the transmission of useless information and repeated information is effectively reduced while the network information congestion in a local area is avoided, and the requirements of Internet-of-vehicles users for high reliability and real-time performance of road traffic Internet-of-vehicles information are met.

The invention discloses a movable type low-noise diesel generating set device. The movable type low-noise diesel generating set device comprises a diesel generating set, a noise reduction compartment and a movable vehicle carrying device, wherein the noise reduction compartment is a closed space, the diesel generating set is arranged inside the noise reduction compartment, the noise reduction compartment is arranged on the movable vehicle carrying device, and the movable vehicle carrying device is used for carrying the noise reduction compartment to move. The diesel generating set comprises a diesel engine, an electric generator, an elastic connecting disc, a rubber shock absorber and a bottom frame, wherein the diesel engine is fixedly connected with the electric generator through the elastic connecting disc, both the diesel engine and the electric generator are arranged on the bottom frame, and the rubber shock absorber is fixed between the bottom frame and the diesel engine and between the bottom frame and the electric generator. According to the movable type low-noise diesel generating set device, vibration noise of the generating set and exhaust noise of the diesel engine can be effectively lowered.

The invention discloses a microstructure optical fiber capable of simultaneously transmitting optical information and optical energy. A fiber core of the microstructure optical fiber is a solid core,a cladding is formed by surrounding periodically arranged air holes, and the air holes are embedded with a perfect matching layer. In order to prove the application prospect of the solid-core large-core-diameter microstructure optical fiber in the field of information and energy co-transmission, the microstructure optical fiber of which the length exceeds 1.37 km and the transmission loss is 2.26dB/km under the 976 nm waveband is actually drawn. In order to access an all-fiber information and energy co-transmission communication system, the problem of fusion welding is solved, the fusion welding loss is controlled to be 0.25-0.36 dB, and the problem of fusion welding point loss when the optical fiber is accessed to the all-fiber communication system is well solved. In conclusion, the invention aims to develop a long-distance photonic crystal fiber supporting energy-signal co-transmission and carry out communication system application verification.

The invention discloses a nasopharynx swab limiting and collecting system which is composed of a human body limiting jaw frame, an arc-shaped acrylic baffle and a disposable ear hanging mask, and convenient nasopharynx swab sampling operation can be achieved. After a testee wears the disposable mask, the sitting posture is rapidly adjusted, the jaw is placed on the jaw frame, and the mouth and the nose are aligned to the opening of the acrylic transparent baffle. The angle is adjusted by medical staff in advance and is most suitable for the action habit of the medical staff, and sampling of the nasopharynx can be completed without getting up and stretching out the hand. The whole process is simple and rapid, the detection time of a single person is shortened, fatigue of medical staff is reduced, and meanwhile the infection risk of the medical staff is greatly reduced through double protection of the disposable mask and the transparent baffle. From the perspective of medical staff, the problems of high working intensity, long detection time and high infection risk caused by excessive dependence on manpower in the current nucleic acid detection are solved. The whole system is simple in component and extremely short in production period, and is expected to quickly realize industrial large-scale mass production and be applied to nucleic acid detection.

The invention provides a unified threat management system and a data processing method thereof. The system comprises a data storage module, a service processing module and a management center, wherein the data storage module comprises a plurality of data pools; all the data pools are respectively used for storing data of one type; the service processing module comprises one or more than one computing pool; all computing pools are respectively used for performing processing operation for achieving one service function, reading the data from the data pools used for storing the data of which the type is required by the computing pools, and outputting the processed data to the data pools used for storing the data of the type; and the management center is used for saving a first corresponding relation between each data pool and each type of the data, and a second corresponding relation between each computing pool and each service function. The unified threat management system and the data processing method thereof provided by the invention are capable of overcoming defects in the aspects of dynamic expansibility and fault tolerance in a directly coupled integrated security gateway.

The invention provides a digital asset sharing method and device, and electronic equipment, relates to the technical field of data sharing, and can solve the technical problem of low information security of digital asset information in a sharing process. The specific scheme comprises the steps of obtaining a first digital asset, authorization permission and a public key of a second terminal, wherein the first digital asset is an appointed part in the integral digital asset; sending the first digital asset and the authorization authority to a server, and determining a uniform resource locator URL of the first digital asset corresponding to the server; encrypting the URL by using the public key of the first terminal to obtain a first ciphertext; and sending the first ciphertext to the second terminal, thereby enabling the second terminal to decrypt the first ciphertext by using a private key of the second terminal to obtain the URL, and obtaining the first digital asset from the server according to the authorization permission.

The invention discloses a method for killing nymphs of Diaphorina citri based on a handheld microwave device and relates to the technical field of microwave application. Positive rate of Diaphorina citri herein is divided into three levels of <40%, >/=40%-<80%, and >/=80%; different microwave killing techniques are adopted according to different positive rates of Diaphorina citri; when nymphs of Diaphorina citri are killed 2-4 times at intervals by orchard workers through the handheld microwave device, microwave powder is increased gradually from the lowest level of 300-400 W to the highest level of 900-1000 W, and microwave frequency is decreased gradually from the highest level of 2.4-2.5 GHz to 890-940 MHz; nymphs of Diaphorina citri at the different parts of citrus can be killed through microwave thermal effect and nonthermal effect by microwave emissions of the handheld microwave device having different intensities and penetrating depths. The method allows the quantity of populations of Diaphorina citri in an orchard to be reduced greatly, allows the ability of Diaphorina citri to propagate Citrus greening disease to be limited, helps effectively prevent the propagation and spread of Citrus greening disease, has no need for using chemical reagents, and is low in cost, ecological, environmentally friendly, and efficient.

The invention discloses a construction site raise dust treatment device based on environmental protection, and belongs to the technical field of environmental protection. The construction site raise dust treatment device based on environmental protection comprises an equipment tank, wherein the equipment tank is a cylindrical tank with a hollow top; a supporting plate is fixedly mounted at the bottom of the equipment tank; the supporting plate is in a circular block shape, a splash-proof plate is fixedly mounted in the center of the bottom wall surface of the supporting plate; the splash-proofplate is in a funnel-shaped plate shape; in the present invention, the invention discloses the construction site raise dust treatment device based on environmental protection. Therefore, a connectingcolumn and a rubber block are driven to descend; therefore, gap seepage grooves are opened; and meanwhile, dust is pressed into the bottom area of the rubber block under the pressure generated by descending of the rubber block and the auxiliary force of rotation of a fan wheel, and when the rubber block is pressed downwards, two closing plates are forced to be opened through the downward pressingpressure of the rubber block, so that the dust is conveyed to the bottom areas of the closing plates, and the effect of treating and collecting the dust is achieved.

The invention discloses a vibration reduction and sound insulation pump. The vibration reduction and sound insulation pump comprises an outer shell, the outer shell is composed of an upper shell bodyand a lower shell body, four connecting columns are installed on the inner surface of the lower shell body, an inner cavity is formed in the inner part of the outer shell, the inner cavity is composedof an upper protective shell and a lower protective shell, a suspender spring shock absorber is connected between the bottom end of the lower protective shell and the inner cavity, and grooves are formed in the positions, close to the edges, between the upper protective shell and the lower protective shell correspondingly. According to the vibration reduction and sound insulation pump, firstly, apump body and a motor are installed in the inner part of the inner cavity, and the suspender spring shock absorber is arranged between the inner cavity and the outer shell so that connecting can be carried out, not only vibration generated when the motor is used can be reduced, but also isolating noise generated by the motor can be carried out; and secondly, grooves are formed in the joint of thesurface of the inner cavity, and sealing rings are arranged in the inner parts of the grooves, so that a gap between the upper protective shell and the lower protective shell is filled, and the propagation of the noise is further limited.

The present invention provides methods of inhibiting a retrovirus replication or infectivity by administering a therapeutically effective amount of MOV10 or a fragment, derivative or analog thereof or an inhibitor of MOV10 or a fragment, derivative or analog thereof or of inhibiting a retrovirus replication or infectivity by increasing or decreasing transcription, translation or biological activity of MOV10 or a fragment, derivative or analog thereof. In some instances the retrovirus is HIV or HIV-1. The present invention also features methods of treating a disease caused all or in part by a retrovirus, such as HIV or HIV-1, by administering a therapeutically effective amount of MOV10 or a fragment, derivative or analog thereof or an inhibitor thereof or by increasing or decreasing transcription, translation or biological activity of MOV10 or a fragment, derivative or analog thereof. Further, the present invention features methods to identify an agent that may inhibit a retrovirus comprising identifying an agent that is regulated by MOV10 or a fragment, derivative or analog thereof.

The invention relates to a fiber laser which comprises a pumping source, a resonant cavity, a cladding optical power stripper and an output device which are sequentially connected, the resonant cavity comprises a grating I, a gain fiber and a grating II, one end of the grating I is coupled with an output fiber of the pumping source, and the other end of the grating I is coupled with one end of the gain fiber; the other end of the gain fiber is coupled with one end of the grating II; wherein the grating I is a double-cladding grating, and the pumping source is used for outputting pumping light with a preset numerical aperture; or a mode field adapter is arranged between the pumping source and the resonant cavity and is used for converting the pumping light emitted by the pumping source into the pumping light with a preset numerical aperture, so that the numerical aperture of the pumping light entering the resonant cavity is configured to be less than or equal to half of the numerical aperture of the inner cladding of the grating I. The numerical aperture of the pump light entering the resonant cavity is configured to be smaller than or equal to half of the numerical aperture of the inner cladding of the grating I, so that the conversion efficiency of the optical fiber oscillator is improved.

The invention relates to a high-temperature pressure sensor back-end packaging structure and a packaging method, which solves the problem that the high-temperature pressure sensor cannot work normallydue to heating failure in a high-temperature environment due to unreasonable structure under a harsh service environment. The invention comprises a cylindrical shell with a sandwich, the sandwich isfilled with a heat radiation protection material, one end of the cylindrical housing is provided with a threaded connector, The other end of the cylindrical housing is provided with a cable fixing head and a fastening nipple; a nano-porous gas gel with a conductor through hole is arranged in a cylindrical shell and the cable fixing head, the fastening nipple is encapsulated with a conductor connector extending into the conductor through hole, and the tungsten pin and the conductor bonding joint are encapsulated in the interconnecting head. The invention has the advantages of reasonable structure, good heat dissipation performance of the shell and tube, stable and reliable operation of the internal circuit protection, and meets the requirement of pressure measurement of the pressure sensorunder the high temperature environment.