891results about How to "Lower resistance" patented technology

The invention discloses a server power supply system and a server, relates to the field of server power supply, and is used for solving the problem of high energy loss in a traditional alternating current power supply architecture. The power conversion module converts the power supply into high-voltage direct current with the voltage not lower than the preset voltage, the high-voltage direct current is transmitted to the power distribution board of the server through the bus copper bar, and the bus copper bar serves as a transmission medium of the high-voltage direct current and has low resistance and high current-carrying capacity. Extra loss caused by electromagnetic induction and a capacitance effect in alternating current transmission is avoided; high-voltage direct current is directly input to the power distribution board, so that multiple times of conversion in an intermediate link are avoided, and energy loss in the conversion process is reduced; and the power distribution board directly converts the high-voltage direct current into the voltage required by the load, so that the loss of multi-stage conversion in the traditional architecture is reduced. According to the invention, the power transmission efficiency is improved, the energy loss is reduced, and the requirement of a modern high-computing-power and high-energy-consumption server for efficient power supply is met.

The utility model relates to the technical field of motors, and discloses a brake structure of a motor, which is characterized by comprising an inner pipe connected with the motor and an output piece, the output end of the motor extends into the inner pipe, a connecting pipe is detachably connected in the inner pipe, the output end of the motor is detachably connected with a driving piece, and the driving piece extends into the connecting pipe. When the motor stops rotating, the plane on the output piece abuts against the column body, so that the column body is clamped between the plane and the inner wall of the connecting pipe, the output piece stops rotating, braking is achieved, and during braking, due to the fact that braking force provided by the column body is enough to meet the stopping function of ascending or descending of the roller shutter, the column body and the inner wall of the connecting pipe cannot slip; therefore, the braking force cannot reversely act on the driving part, the motor is protected, and slipping failure is avoided.

The invention provides positive electrode slurry and a preparation method and application thereof, and relates to the technical field of batteries, the preparation method comprises the following steps: carrying out size grading on positive electrode active material particles for preparing slurry mixing in advance, preferentially and uniformly dispersing a fine-particle active material and strip-shaped conductive agent particles, and uniformly dispersing the fine-particle active material and the strip-shaped conductive agent particles; namely, under the condition that the binder is fully dissolved, the fine-particle positive electrode active material is preferentially adhered to the fibrous and tubular conductive agents, and the fibrous and tubular conductive agents and the positive electrode active material particles form a conductive network better under the condition of not changing the original substances and the proportion thereof, so that the agglomeration of the strip-shaped conductive agent is avoided; the conductivity of the positive plate is improved.

The invention provides a novel strain M2108 of a salt-tolerant bacillus, the preservation number of the salt-tolerant bacillus is CGMCC (China General Microbiological Culture Collection Center) No.28283, and the novel strain M2108 of the salt-tolerant bacillus has relatively good salt tolerance and can grow and proliferate in a high-salt environment; the strain can be rapidly and stably colonized in a plant, and is rapid in propagation speed and strong in multiplication capacity in the plant. The new strain M2108 of the salt-tolerant bacillus provided by the invention has a treatment effect and a high control effect on various plant diseases: the control effect on diseases such as tomato root rot, damping-off and damping-off caused by fusarium oxysporum, pythium aphanidermatum and rhizoctonia solani is high, and the average control effect is 91.2% or above. When being used for preventing and treating plant diseases, the salt-tolerant bacillus M2108 is not easy to generate drug resistance, has good drug effect durability, is safe to human and livestock, and does not cause environmental pollution; the salt-tolerant bacillus M2108 microbial agent and the biocontrol agent provided by the invention are simple in preparation method, low in cost and simple and convenient to use. The salt-tolerant bacillus M2108 has a good application prospect in the prevention and control of plant diseases, and lays a foundation for the development of efficient and broad-spectrum biocontrol preparations.

The utility model discloses a photovoltaic bypass module and a photovoltaic junction box. The photovoltaic bypass module includes an intermediate conductive terminal, a first conductive terminal, a second conductive terminal, a first bypass module diode, and a second bypass module diode, where a first gap formed between the first conductive terminal and the intermediate conductive terminal is utilized. The first conductive terminal and the middle conductive terminal form a first gap, and the second gap formed between the second conductive terminal and the middle conductive terminal form a second gap for the bus bar to pass through respectively, so that the positions of threading holes for the bus bar to pass through are relatively concentrated. The bus bar can directly penetrate into the box to reach the first bonding pad or the middle bonding pad or the second bonding pad, and other operations such as bending are not required to be performed on the bus bar, so that the junction box is more convenient to install, and the working efficiency is improved.

The invention relates to the technical field of MOS (metal oxide semiconductor), and discloses a shallow-channel super-junction MOS device and a preparation process thereof, the shallow-channel super-junction MOS device comprises a drain electrode, a source electrode, a semiconductor epitaxial layer, a grid electrode and a grid oxide layer covering the surface of the grid electrode, and the semiconductor epitaxial layer comprises an N substrate layer and a drift layer; a P well layer, a P-layer II and an N well layer are formed in the drift layer through ion implantation; the cross section of the grid electrode is T-shaped; a first P-layer is formed in the N well layer through ion implantation, and a narrow heavily doped N layer is formed in the drift layer and located between two adjacent second P-layers through ion implantation. After the gate voltage is accessed, a charge channel is formed in the P-layer 2, so that the N-well layer and the drift layer can form a path, and the existence of the P-layer 1 can inhibit the collection of charges flowing in the N-well layer to the gate region, so that the number of parasitic charges can be greatly reduced, and the response speed of the MOS semiconductor device is improved.

The invention relates to an advertisement display method and device, electronic equipment and a storage medium, and the method comprises the steps: displaying a target prompt box in a video playing interface when a video is played to a first target moment, the target prompt box comprising prompt information related to the video playing progress and an advertisement material of a target brand, the prompt information is used for prompting a user to play a target fragment; under the condition that the video is played to a second target moment, the target prompt box is hidden, a target advertisement object is displayed in a video playing interface, and the target advertisement object comprises any one of a fragment subtitle of an advertisement material carrying a target brand, an interaction component and an advertisement popup window; wherein the fragment subtitles comprise subtitles in the target fragment, the interaction component is used for realizing interaction operation related to the picture content of the target fragment, and the advertisement pop-up window comprises an actor image of the target brand in the target fragment. Therefore, the conflict emotion of the user on advertisement implantation is reduced, and the advertising effect is improved.

The invention relates to the technical field of solar cells, and discloses a solar cell module which comprises a plurality of back contact cells and a plurality of welding strips. The back contact battery comprises a battery substrate and a grid line arranged on the surface of the battery substrate, a plurality of Pad points are arranged on the grid line, each welding strip is connected with the grid line through the Pad points, each welding strip is further connected with the grid line through a welding point, and the welding point is a non-Pad point; the total number of welding points and Pad points, connected with the grid line, of each welding strip is x, the main grid power loss of the back contact battery is y, x and y meet the following formula I: y = a * xb, and a and b are constants. According to the invention, the transmission loss of current carriers can be reduced, and the CTM loss of the assembly can be reduced.

The invention discloses a laser positioning cutting machine for insulating silica gel sealing gasket machining, and belongs to the technical field of insulating silica gel sealing gasket machining. The laser positioning cutting machine comprises a workbench, and a fixing frame is fixedly installed at the top of the workbench; the cutting mechanism comprises a moving frame, a moving seat and a laser cutting head, the moving frame is installed on the outer side of the fixed frame in a sliding mode, the moving seat is installed at the bottom of the moving frame in a sliding mode, and an air cylinder is fixedly installed in the moving seat; and the clamping mechanism comprises a pressing frame, a screw rod, a driving plate and a pressing plate, a trapezoidal plate is fixedly installed at the top of the pressing frame, and a triangular plate is fixedly installed at the bottom of the driving plate. By means of the cutting mechanism and the clamping mechanism, automatic laser cutting of the sealing gasket can be achieved, the cutting precision is improved, burrs are avoided, meanwhile, the laser cutting parameters can be automatically adjusted according to the thickness of the sealing gasket under the cooperation of the linkage mechanism, efficient and complete cutting is guaranteed, and the cutting efficiency is improved.

The invention provides a negative pole piece and a preparation method thereof, a sodium ion battery and electric equipment, and relates to the technical field of sodium ion batteries. The negative pole piece comprises a current collector, a first coating and a second coating, the first coating is arranged between the current collector and the second coating; the raw materials of the first coating comprise hard carbon, first soft carbon, a first conductive agent, a first dispersant and a first binder; the second coating is prepared from the following raw materials: second soft carbon, a second conductive agent, a second dispersing agent and a second binding agent. The negative pole piece has relatively high flexibility, compaction density, electronic conductivity, cycle performance and rate capability, and can also reduce the risk of sodium precipitation and the probability of powder falling.

The invention discloses an induction motor, a compressor and refrigeration equipment, and relates to the technical field of motors, the induction motor comprises a stator component and a rotor component; the stator component comprises a stator core, the stator core comprises a stator punching sheet, the stator punching sheet comprises a stator yoke and a plurality of stator teeth which are arranged on the inner side of the stator yoke and are arranged at intervals in the circumferential direction of the stator yoke, and every two adjacent stator teeth form a stator groove; the rotor component is arranged on the inner side of the stator component, the rotor component comprises a rotor core, the rotor core comprises a rotor punching sheet, and the rotor punching sheet is provided with a plurality of rotor grooves which are arranged at intervals along the circumferential direction of the rotor punching sheet; wherein the groove height of the rotor groove is # imgabs 0 #, the radius of the rotor punching sheet is # imgabs 1 #, and the groove height of the stator groove is # imgabs 2 #; the thickness of the stator yoke is # imgabs 3 #, and the distance from the bottom of the rotor slot to the center of the inner circle of the rotor punching sheet is # imgabs 4 #; and the formula is as follows: 1.65 # imgabs 5 # 3.3. According to the induction motor, the efficiency of the induction motor can be improved.

The invention discloses an application of a soybean GmCLO1 coding gene in regulating the resistance of soybeans to soybean mosaic virus diseases. The invention discloses application of the soybean GmCLO1 gene as shown in SEQ ID NO.1 in genetic engineering modification of soybean mosaic virus resistance. Overexpression of the gene can significantly improve the resistance of soybeans to soybean mosaic virus diseases, and gene editing knockout of the gene can significantly reduce the resistance of soybeans to soybean mosaic virus diseases. The soybean coding gene GmCLO1 disclosed by the invention can be transformed into soybeans through genetic engineering, and the resistance of the soybeans to the soybean mosaic virus diseases is finally regulated and controlled.

The invention provides a semiconductor device and a manufacturing method thereof, the semiconductor device comprises a semiconductor layer and a trench gate, the trench gate is located in a trench of a first surface of the semiconductor layer, and the semiconductor layer comprises a body region, a source region and a drift region; the first buried layer is located at the bottom of the trench gate and connected with the trench gate, the third buried layer is connected with a part of the first buried layer in the width direction of the trench gate, and the third buried layer is further connected with a part of the body region. The first buried layer is arranged at the bottom of the trench gate, the voltage endurance capability is improved, and the first buried layer is electrically connected with the source region through the third buried layer, the body region and the source region in sequence, so that the electric field shielding function of the first buried layer to the bottom of the trench gate is more stable.

The invention relates to the technical field of positive electrode materials, and discloses a preparation method of a carbon-coated fluorine-doped sodium ferric sulfate positive electrode material, which comprises the following steps: step 1, adding an iron source, a sodium source, a sulfur source, a carbon source and a fluorine source into deionized water, and heating and stirring to completely dissolve the raw materials to obtain a solution A; 2, converting the solution A into precursor powder B by using a spray drying method; and 3, calcining the precursor powder B in an inert atmosphere, and crushing and grinding the obtained product to obtain the carbon-coated fluorine-doped Na2Fe2 (SO4) 3 positive electrode material. The F element with higher electronegativity than the S element is introduced, so that the overall electron distribution of the material is changed, the structural stability is improved, and the high-conductivity carbon protection layer is coated on the surface of the active material to form a conductive network, so that the resistance is reduced, the volume expansion is relieved, and the battery capacity and the cycling stability can be obviously improved.

The invention relates to the field of biological medicine, in particular to application of cepharanthine in preparation of a pathogenic bacterium biofilm scavenger, an anti-pathogenic bacterium medicine and a medical equipment coating material. Staphylococcus aureus is taken as a pathogenic bacterium, the removal effect of cepharanthine on a biological membrane is detected through biological membrane formation and destruction experiments, and the curative effect of cepharanthine on infection is evaluated by constructing a staphylococcus aureus infected mouse model. The result shows that the cepharanthine inhibits the formation of the staphylococcus aureus biological membrane and destroys the formed biological membrane; animal experiments show that the cepharanthine improves the survival rate of mice infected with the staphylococcus aureus, reduces the colonial colonization number of lungs of the infected mice, and improves the elimination capability of a host to pathogenic bacteria. Therefore, the invention has important significance in the aspects of research and development of targeted biological membranes and drugs for resisting drug-resistant bacterium infection, improvement of the curative effect of antibiotics, prolonging of the service life of the drugs and the like.

The invention relates to the technical field of heaters, in particular to a layered fabric heating battery cell, heating battery cell manufacturing equipment and a control system thereof.The layered fabric heating battery cell comprises warp yarn and weft yarn which are composed of conductive composite fibers, and the warp yarn and the weft yarn are woven into the layered fabric heating battery cell through a loom; the conductive composite fiber is prepared from a conductive material and a fiber matrix material in a laminating manner; according to the layered fabric heating cell provided by the invention, through uniform weaving of the flexible conductive composite fibers, heat is uniformly distributed in the fabric, the problem of local overheating or supercooling is avoided, and due to the fact that the resistance of the conductive composite fibers is relatively low, the electric energy consumption required by heating is reduced.

The invention relates to the technical field of flexible stimulation response self-drivers, in particular to a preparation method of an electricity-temperature dual stimulation deformation reversible composite material driver, which comprises the following steps: firstly, carrying out chemical modification and solution ultrasonic dispersion on conductor particles to improve interface cohesiveness and improve interface bonding between a conductor and a polymer; melting, blending and compounding polyethylene vinyl acetate free radical double-group coupling by using a double-screw mixer to prepare a shape memory hemicrystalline and carbon-carbon single bond net-shaped cross-linked molecular network structure; uniformly doping and embedding conductor unit particles into a molecular network to construct a conductive three-dimensional network, and forming a conductive blend with a bicontinuous phase structure; and finally, thermally pressing the conductive blend to initiate a macromolecular free radical cross-linking reaction to prepare the electric-temperature dual-stimulation deformation reversible composite material driver with a conductive-semi-crystalline-cross-linked three-dimensional network structure. According to the invention, electric and thermal dual stimulation reversible deformation response of the shape memory composite material can be realized.

The invention discloses an intelligent dialogue management method of an outbound system, and relates to the technical field of intelligent management.In the system operation process, multi-dimensional data of clients are collected in real time, a client voice feature file is established through the voice recognition technology, cleaning, noise reduction, feature extraction and standardization are conducted on the data, and a preprocessed feature matrix is generated; according to an analysis result, a deep learning algorithm is applied, and after calculation, a timbre adaptation coefficient Zys and an intonation matching coefficient Zyt are obtained; a timbre and intonation model highly matched with customer features is dynamically generated; voice is synthesized in real time and dynamically adjusted and output is performed; a current scene is judged and an outbound content and an intonation style are optimized; selecting an intonation style according to a scene demand, collecting real-time feedback in an outbound process, continuously optimizing a tone and intonation matching model through deep learning, calculating to obtain a comprehensive adaptation index Zsa, comparing the comprehensive adaptation index Zsa with a preset adaptation threshold A, and judging whether adaptation succeeds or not.

The invention discloses a power device and a preparation method thereof, a power module, a power conversion circuit and a vehicle, and the power device comprises a semiconductor body which comprises a first surface and a second surface which are oppositely arranged, and also comprises a well region and a contact region; the well region is at least located at one side of the contact region adjacent to the second surface; the gate structure is located on the first surface; the first piezoelectric material layer is located on one side of the gate structure away from the second surface; the first piezoelectric material layer covers the gate structure and a part of the contact region; the first electrode layer is located on the second surface; the first electrode layer comprises a first electrode and a second piezoelectric material layer, and the second piezoelectric material layer is located on the side, away from the second surface, of the first electrode; the second piezoelectric material layer is provided with a plurality of cavities, and the plurality of cavities penetrate through the second piezoelectric material layer; the first electrode covers the second surface, and the plurality of cavities are filled with the first electrode. The power consumption can be reduced, and the switching speed and the conductivity of the device can be improved.

The invention discloses a mini air pump for tire inflation, and relates to the technical field of inflation pumps, the mini air pump comprises a front cover, a rear cover and a box body enclosed by the front cover and the rear cover, and further comprises a locking assembly arranged on one side of the front cover and used for fixing an accessory box and an air pressure piston assembly arranged in the front cover and the rear cover, the air pressure piston assembly is arranged in the box body, an air inlet of the air pressure piston assembly is connected to an air inlet groove in the box body, the storage battery and the motor core are arranged in the box body in parallel, the space occupied area of the storage battery and the space occupied area of the motor core are optimized and reduced, the specification of the whole air pump can reach 90 mm * 90 mm * 37 mm, and the size of the whole air pump can reach 90 mm * 90 mm * 37 mm. And meanwhile, through the arranged air tap connector, an air pipe is not needed, an air pump can be directly connected to a tire of an automobile or a bicycle for inflating, and the tire inflating efficiency of people is improved.

The invention belongs to the field of design and manufacturing of semiconductors / integrated circuits, and particularly relates to a manufacturing method of a silicon capacitor. Comprising the following steps: forming an oxide layer on a silicon substrate, photoetching and etching to form a 1 # capacitor groove, generating a field oxide layer in the groove, filling doped polycrystalline silicon, processing the surface, etching a 2 # capacitor groove, depositing a multilayer film in the groove, processing the multilayer film at two ends of the groove, depositing silicon oxide, finally connecting an upper polar plate and a lower polar plate through photoetching and metal deposition, removing redundant substances and detecting. According to the method, the structure size and performance can be accurately controlled, the electrical performance, reliability and stability of the silicon capacitor in the field of integrated circuits and the like are improved, and the circuit integration degree is improved.

The utility model discloses a TOPCon solar cell structure, which relates to the field of solar cells and sequentially comprises a first silver electrode, a first antireflection film layer, a boron doping layer, a silicon substrate, a tunneling layer and a polycrystalline silicon doping layer in a single direction, and further comprises a second antireflection film layer, a diffusion barrier layer and a second silver electrode. One grid line of the diffusion barrier layer is arranged between two adjacent grid lines of the second antireflection film layer, and the grid line of the second silver electrode is located on the grid line of the diffusion barrier layer; a titanium nitride layer TiN or a titanium oxynitride layer TiON is deposited between the polycrystalline silicon layer and the metal electrode to serve as a diffusion barrier layer, and the second silver electrode is of a grid line structure instead of full coverage; according to the structure, the characteristics of high conductivity and electron selective transmission of titanium nitride or titanium oxynitride are utilized, so that electrons have low resistance during transmission, and electron collection is facilitated. And by adopting a grid line structure, the absorption of titanium nitride or titanium oxynitride on long-wave-band light is effectively avoided, and the double-sided topcon battery is very suitable for the existing double-sided topcon battery.

The invention discloses a phenanthro [9, 10-d] imidazole quaternary ammonium salt derivative as well as preparation and antibacterial application thereof. According to the series of compounds, phenanthro [9, 10-d] imidazole quaternary ammonium salt derivatives which are novel in structure and good in antibacterial activity are prepared by taking phenanthro quinone as a lead compound and modifying the structure of phenanthro quinone, the structural general formula of the phenanthro [9, 10-d] imidazole quaternary ammonium salt derivatives is shown in the specification, and R is selected from H, C6-C14 alkyl or C3-C8 alkylene. The phenanthro [9, 10-d] imidazole quaternary ammonium salt derivative prepared by the invention has a relatively good antibacterial effect on gram-positive bacteria such as staphylococcus aureus S.aureus ATCC 29213 and various clinical methicillin-resistant staphylococcus aureus (MRSA), meanwhile, the water solubility is improved, the biotoxicity of a parent body is reduced, and the phenanthro [9, 10-d] imidazole quaternary ammonium salt derivative has relatively high yield and is suitable for industrial production. The compound is expected to be further developed into a clinical candidate antibacterial drug. # imgabs0 #

The invention relates to an all-solid-state battery cell with a three-dimensional staggered lithium ion conduction network as well as a preparation method and application of the all-solid-state battery cell. The method comprises the following steps: uniformly and electrostatically spraying positive electrode powder A, B and C with different particle sizes and compositions into a grinding tool in sequence; spraying a layer of sulfide electrolyte on the composite positive electrode layer; then uniformly and electrostatically spraying composite negative electrode powder D and E which are uniformly mixed and have different particle sizes and compositions on the surface of an electrolyte layer in sequence; and finally, integrally pressing the powder by adopting warm isostatic pressing to prepare an all-solid-state battery cell, and assembling the all-solid-state battery cell into a solid-state battery. The invention provides a brand new battery structure design, a three-dimensional staggered lithium ion conduction network is constructed by introducing a low-viscosity thermoplastic and an electrostatic dry spraying technology, the lithium ion migration efficiency is remarkably improved, and meanwhile, the interface stability between an electrode and a solid electrolyte is enhanced; therefore, the interface impedance of the sulfide solid-state battery is reduced so as to realize better capacity retention ratio, longer cycle life and better safety performance.

The invention discloses a flow cell with a lubricating oil abrasive particle measuring function, and relates to the technical field of lubricating oil, the flow cell comprises a measuring main body, two pipelines, a measuring instrument and a light emitting instrument; a cavity is formed in the measuring main body; the cavity penetrates through two sides of the measuring main body to form two circulation ports; the pipelines are communicated with the cavity through the corresponding circulation openings; the pipeline has a structure with a round top and a square bottom; a first mounting opening and a second mounting opening are respectively formed in two side surfaces of the measuring main body; the measuring instrument is arranged on the measuring main body through the first mounting port to seal the first mounting port, and part of the measuring instrument is located in the cavity; and the light-emitting instrument is arranged on the measuring main body through the second mounting port to seal the second mounting port. According to the invention, the accuracy of the detection result can be ensured, the flowing circulation of the lubricating oil can be effectively improved, and the lubricating oil can be recycled conveniently.

The invention provides a positive electrode lithium supplementing material and a preparation method thereof, a positive electrode plate and a lithium ion battery. The positive electrode lithium supplementing material comprises an inner core and a carbon coating layer coating the surface of the inner core, the inner core comprises a titanium-doped lithium ferrite material, and carbon in the carbon coating layer is obtained by deriving and carbonizing an MOFs material. According to the positive electrode lithium supplementing material provided by the invention, through the synergistic cooperation of titanium doping and the carbon coating layer derived and carbonized by the MOFs material, the stability is good, and the lithium supplementing effect is excellent, so that the charge-discharge capacity, the rate capability and the cycling stability of a battery are improved.

The invention relates to the technical field of copper alloy strips, and discloses a vehicle-mounted connector copper alloy strip which comprises the following components in percentage by mass: 0.04 to 0.1 weight percent of Y, 1.5 to 3.5 weight percent of Sn, 0.02 to 0.08 weight percent of P, 0.5 to 2.5 weight percent of carbon nanostructure X and the balance of copper and inevitable impurities, wherein the carbon nano structure X is a compound of a carbon nano tube and fullerene, and the mass ratio of the carbon nano tube to the fullerene is (2-4): 1; the invention also discloses a preparation method. According to the invention, through the comprehensive advantages in the aspects of conductivity and corrosion resistance, the electrical connection function can be stably and reliably realized in a vehicle-mounted connector, powerful hardware support is provided for the intelligent and electric development of an automobile, and the adaptability and safety of the automobile under different working conditions are enhanced; and the maintenance cost of the automobile is reduced, and the downtime caused by faults is shortened.

The invention discloses an application of a red alginic acid receptor Grik2b in prevention and treatment of bactrocera dorsalis. According to the invention, the expression level of Grik2b is reduced through an RNAi technology, and the regulation and control effect of the red alginic acid receptor on the oviposition behavior of the female bactrocera dorsalis is proved; according to the invention, an inhibitor capable of being combined with Grik2b is also screened, and female insects treated by the inhibitor show serious oviposition defects. Therefore, by taking the Grik2b receptor as the target spot, the oviposition behavior of the female insects can be effectively inhibited, the population quantity is further controlled, meanwhile, the risk that the insects generate drug resistance is extremely low, and efficient and safe prevention and control of the fruit flies in the tropical and subtropical regions are facilitated.

The invention provides a bacteriostatic high-barrier nano-cellulose-based composite film for fruit and vegetable preservation and a preparation method thereof, and the preparation method comprises the following steps: carrying out sulfonation modification treatment on nano-cellulose powder by using 1, 3-propane sultone to obtain sulfonated nano-cellulose; then, octadecyl trimethyl ammonium chloride is adopted for conducting quaternization modification treatment on the sulfonated nano-crystalline cellulose, and quaternary ammonium sulfonated nano-crystalline cellulose is obtained; the preparation method comprises the following steps: dispersing silver-loaded chitosan in deionized water to obtain a silver-loaded chitosan solution, adding montmorillonite into the silver-loaded chitosan solution, mixing, stirring and heating, and then carrying out suction filtration, washing and drying to obtain intercalated montmorillonite; the preparation method comprises the following steps: uniformly mixing polylactic acid, quaternary ammonium sulfonated nano-cellulose, intercalated montmorillonite, a plasticizer, a lubricant and an antioxidant to obtain a mixed material, and sequentially carrying out melt extrusion, cooling, pelletizing and film blowing on the mixed material to obtain the antibacterial high-barrier nano-cellulose-based composite film.

The invention relates to the technical field of wires, and provides a high-temperature-resistant silicone rubber cable which comprises a plurality of wires. The cooling body is provided with a plurality of containing grooves, the wires are located in the containing grooves, the cooling body is further provided with a first inner cavity, the first inner cavity is used for containing cooling liquid, and the cooling body is made of heat conduction materials. The wire and the cooling body are positioned in the sheath; the filling layer is located between the sheath and the cooling body and between the sheath and the wire. According to the technical scheme, the problem that the heat resistance of a high-temperature-resistant cable is difficult to improve in the prior art is solved.