87results about How to "Not easy to transfer" patented technology

The invention discloses a skin material of a high-altitude aerostat and a preparation method of the skin material. The skin material is a high-barrier, high-strength and low-surface-density material which is formed by gluing and compounding a weather resistant layer, a double-layer single-faced aluminum plated high-barrier membrane, a force bearing layer and a welding layer. The weather resistant layer of the skin material of the high-altitude aerostat has high weather resistance; with the double-layer single-faced aluminum plated high-barrier membrane, the high barrier property and low absorptivity-emissivity ratio to the solar spectrum of the material are realized, and the damage of visible light on the skin material can be effectively prevented; an aromatic polyester fiber fabric layer is used as the force bearing layer and realizes good mechanical performance of the skin material after being compounded; the aerostat can be processed and molded through the high-frequency welding function of the welding layer. According to the skin material disclosed by the invention, a multiple membrane compounding process is employed, which is simple and capable of realizing excellent fit of membrane and membrane as well as membrane and cloth. The produced skin material is light in weight and high in strength, and also high in helium barrier property; the areal density of the skin material is only 144g/m<2>; therefore, the weather resistance and high-altitude service life of the high-altitude aerostat can be well improved.

The invention discloses a micro direct methanol fuel cell membrane electrode and a preparation method thereof, and relates to a fuel cell and a preparation method thereof. The membrane electrode comprises an anode diffusion layer, an anode catalyst layer (3), a proton exchange membrane, a cathode catalyst layer (5) and a cathode diffusion layer, wherein the cathode catalyst layer (5) includes an inner layer (5a), an intermediate layer (5b) and an outer layer (5c); the outer layer (5c) is nearest to the cathode diffusion layer; and the inner layer (5a) is nearest to the proton exchange membrane. The preparation method comprises the following steps: taking carbon paper or carbon cloth as a supporting layer, then coating the diffusion layer formed by a carbon material, polytetrafluoroethylene and the like, coating a size formed by a catalyst, Nafion resin, a pore forming substance and the like for several times, and performing heat treatment and pressing to form the membrane electrode. The micro direct methanol fuel cell membrane electrode can inhibit the water permeation of the proton exchange membrane, enhance the splashing effect from the cathode to the anode, and improve the gas diffusion mass propagation speed.

The invention relates to an intelligent padlock, and the intelligent padlock is designed for the technical problems that the existing similar products are inconvenient to assemble and produce, poor insealing performance and energy-saving structural design and lack of a state detection function. A fixing seat is arranged in a lock body of the intelligent padlock; steel balls are symmetrically arranged on the two sides of one end of a lock shaft; the steel balls are respectively locked with lock hook grooves in the inner walls of the two sides of a lock hook in an abutting mode through the lockshaft; and a mobile phone Bluetooth module is arranged on a circuit board assembly. The intelligent padlock is characterized in that one end of a lower cover is provided with a lock hook sleeve; a guide groove is formed in the position, on one side of the lock hook sleeve, of the lower cover; one side of the fixed end of the lock hook is provided with a pin hole; a pin is arranged in the pin holeof the lock hook through a lock hook spring; when the fixed end of the lock hook is sleeved with the lock body and fixed on the fixing seat, the pin extends out of the guide groove of the lower coverby abutting against the lock hook spring; the lock hook is limited on a gap ring groove above the lock hook sleeve of the lower cover in the fixing seat through the pin; the gap ring groove is a rotating groove; a lock shaft spring is arranged between a limiting rib of the lock shaft and a limiting groove of the fixing seat; and a photoelectric switch is arranged at a gap of the lock shaft.

The release film (1) for a ceramic green sheet manufacturing process is provided with a substrate (11) and a releasing agent layer (12) disposed on a first surface (111) of the substrate. The releasing agent layer (12) is formed from a releasing agent composition containing an active energy ray curable component (A) and a photopolymerization initiator (B). The active energy ray curable component (A) is formed by reacting: a hydroxyl group-containing (meta)acrylate (a1) having at least 3 (meta)acryloyl groups on average within one molecule; a multi-isocyanate compound (a2); and a straight chain dimethyl organopolysiloxane (a3) having at least one hydroxyl group within one molecule, and for which the weight average molecular weight is 500 to 8000. The reaction is performed so that the weight of (a3) with respect to the total weight of (a1), (a2), and (a3) is, in a weight ratio, 0.01 to 0.10. The thickness of the releasing agent layer (12), the arithmetic average roughness (Ra1) and the maximum projection height (Rp1) for the surface (121) of the releasing agent layer, and the arithmetic average roughness (Ra2) and the maximum projection height (Rp2) for the second surface (112) of the substrate are within predetermined ranges.

The invention belongs to the field of fuel cell membrane electrodes, and concretely relates to a production method of a membrane electrode diffusion layer for a fuel cell. The production method comprises the following steps: 1, cleaning carbon paper with ethanol, drying the cleaned carbon paper, impregnating the dried carbon paper in a polytetrafluoroethylene emulsion, and sintering the impregnated carbon paper to obtain polytetrafluoroethylene supported carbon paper; 2, coating the carbon paper obtained in step 1 with a carbon powder slurry prepared from acetylene black, water and a binder; 3, sequentially carrying out hot air box drying and cold air box cooling on the carbon paper obtained in step 2; and 4, drying the carbon paper obtained in step 3 in a drying box to obtain the carbon paper which is the membrane electrode diffusion layer. A dispersant used in the invention is water, is cheap, has a good kneading effect with the binder, does not generate irritating smell in the production workshop, and is highly safe; and the produced diffusion layer has the advantages of uniform thickness, flat surface, improvement of the performances of a membrane electrode, large coating area, simplicity in production, and greatly improved production efficiency.

An automation material transport system comprises a crushing pot, a feeding chamber, a feeding pot and a mixing pot; the feeding pot is arranged on the top of the mixing pot; a vacuum suction device is arranged between the feeding chamber and the feeding pot for transmission; the crushing pot and the feeding chamber are connected through a transport track. The automation material transport system has a complete process from feeding to mixing, and is suitable for to-be crushed material operation and operation needing no material crushing; the automation material transport system is simple in structure, easy in operation, saves mass labor force, improves worker working conditions, and provides very good practical effect.

The invention discloses a bridge type direct-current fault monitoring alarm, and belongs to fault monitoring devices of direct-current power sources for power plants and substations. According to the bridge type direct-current fault monitoring alarm, a balance bridge arm is formed by two identical resistors and a loaded line, a Hall sensor is used for obtaining signals from a monitored direct-current line in a sampling mode, the signals pass through two comparison control units in a parallel mode, and then are output to two sound-light alarm units respectively, each comparison control unit mainly comprises an integrated operational amplifier module and a potentiometer, each sound-light alarm unit comprises triodes and an alarm bell, and the triodes are used for carrying out power amplification. The bridge type direct-current fault monitoring alarm can be locally installed to be used, positive and negative grounding faults are indicated through sound-light alarms, and the bridge type direct-current fault monitoring alarm has the advantages that the manufacturing cost is low, the bridge type direct-current fault monitoring alarm can be locally installed to be used and can locally give out the alarms, and the faults can be found out in time.

The invention discloses a polyvinyl chloride composite soundproof material. The polyvinyl chloride composite soundproof material comprises, by weight, 100 parts of polyvinyl chloride, 40 to 50 parts of ceramic wastes, 20 to 40 parts of floating beads, 5 to 8 parts of glyceryl monostearate, 2 to 3 parts of a plasticizer, 11 to 16 parts of a filler, 2 to 3 parts of a coupling agent, 4 to 7 parts of a stabilizer and 5 to 7 parts of a foaming agent. The invention also provides a preparation method of the polyvinyl chloride composite soundproof material. The polyvinyl chloride composite soundproof material has good sound insulation performances and processing performances and can be widely used for sound insulation of buildings.

The invention relates to a preparation method of a composite magnetic nano photosensitizer. The preparation method includes preparing Fe3O4 magnetic nanoparticles, using tetraethoxysilane as a modifier to coat the surface of the Fe3O4 magnetic nanoparticles with a thin layer of silica, and fitting quantum dots CdT and a photosensitizer on the surface under the adsorbing action of silica mesoporousmicrospheres to obtain magnetic nano photosensitizer particles Fe3O4@SiO2@Qdots/PS. Specific bioluminescence of tumor cells can be used as a light source; the photosensitizer is excited to generate active oxygen clusters and convert electricity energy of an alternating electric field into thermal energy; the composite magnetic nano photosensitizer is a novel multifunctional photosensitizer.

The invention discloses a molybdenum disulfide-three-dimensional graphene composite material. The molybdenum disulfide-three-dimensional graphene composite material is prepared through the method thatgraphene oxide and L-cysteine are utilized to prepare three-dimensional graphene aerogel, molybdenum salt, sulfur powder and the three-dimensional graphene aerogel are placed in a microwave reactioncavity after being ground and are heated for 10-60min at the microwave power of 300-1,000W, and then the molybdenum disulfide-three-dimensional graphene composite material is obtained. According to the material, under the microwave heating condition, graphene oxide is thermally reduced into graphene, and meanwhile generated MoS<2> directly grows in situ on the surface of the graphene; microwave heating is high in speed and uniform, so that an MoS<2> nanosheet and the graphene are firmly combined, particle accumulation cannot be easily caused, material synthesis time is greatly shortened, and the problem that the graphene and MoS<2> aggregate under a long-term heating condition is relieved; compared with a two-dimensional structure, the graphene of the three-dimensional structure is not prone to stacking and aggregation in the compositing process, so that play of excellent properties of the graphene is better guaranteed; and being a lithium-ion battery cathode material, the composite material shows good circulation stability and rate capability.

The invention specifically relates to a nanometer modified capsule material for a high-altitude aerostat and a preparation method thereof, belonging to the field of aerospace materials. The capsule material comprises a blocking weather-proof film, a nanometer modified glue solution layer, a mechanical structure layer and a nanometer modified welding glue solution layer, wherein one surface of the mechanical structure layer is connected with the blocking weather-proof film through the nanometer modified glue solution layer while the other surface of the mechanical structure layer is connected with the nanometer modified welding glue solution layer; the mechanical structure layer is a PBO high-strength fiber plain weave fabric; and the nanometer modified welding glue solution layer is a polyurethane hot melt adhesive with a nano-material. The capsule material prepared in the invention has the beneficial effects of high strength, light weight, low helium permeability, good weatherability, strong performance in preventing a capsule from absorption of sun light energy in flight during daytime; and the preparation method is easy to operate and control.

The invention discloses a shading tape and a display device. The shading tape comprises a tape body, a first adhesive layer arranged on the first surface of the tape body as well as a second adhesivelayer and a third adhesive layer which are arranged on the second surface of the tape body; the second adhesive layer and the third adhesive layer are arranged on a first area and a second area correspondingly; and the third adhesive layer has wriggling property and non-transfer property. The display device comprises the shading tape; the surface of an adhesive frame adheres to the second adhesivelayer; the surface of a backlight module adheres to the third adhesive layer; and the surface of a display panel adheres to the first adhesive layer. Due to the wriggling property and the stability of the third adhesive layer, the third adhesive layer does not influence thermal expansion and cold contraction of the film layer of a backlight module membrane layer, the membrane layer is effectivelyprevented from generating wrinkle in a reliability test, and the yield of products is increased. Due to the non-transfer property of the third adhesive layer, the third adhesive layer is not liable to transfer to the membrane layer, the membrane layer is prevented from being stained and the production cost is reduced.

The invention discloses a high thermal stability flame retardant cable sheath material, which is prepared from the following raw materials in parts by weight: 100 to 120 parts of base materials, 1 to4 parts of a phytic acid compound, 1.2 to 1.9 parts of rare earth calcium zinc compound stabilizers, 2 to 6 parts of PEEK, 1 to 2 parts of disproportionated rosin, 0.4 to 1 part of lauric acid, 80 to100 parts of filling reinforcing agents, 1 to 2 parts of anti-aging agents RD, 0.4 to 1.2 parts of anti-aging agents BLE and 1 to 3 parts of 1,1-bis-(tert-butyl hydroperoxide) cyclohexane. The phyticacid compound is prepared by the following process of mixing collagen, sodium alginate, phenylamine and water; raising the temperature; performing stirring; adding phytic acid; continuously performingstirring to obtain a premixed solution; uniformly mixing ammonium persulfate and hydrochloric acid solution; dripping the materials into the premixed solution; after the complete dripping, performingstirring, filtering and washing; adding polyethylene glycol diglycidyl ether; continuously performing stirring; performing still standing and anti-foaming; adding calcium chloride water solution; performing uniform stirring, filtering, drying, crushing and grinding to obtain the phytic acid compound.

The invention discloses a device and method for ultrasonic testing of engine fuel oil header pipe soldered joints. The method is capable of effectively finding out the soldering defects in the fuel oil header pipe soldered joints and can be used for the ultrasonic testing of aerial engine fuel oil header pipe soldered joints. As the fuel oil header pipe soldered parts are complicated in shape and large in testing surface curvature (the pipe diameter is 6-16mm), so that when a conventional probe and a conventional coupling manner are used, the sound waves are difficult to be transmitted to the soldered parts due to the influence of the probe size and then testing cannot be carried out. According to the device and the method, a high-frequency high-resolution instrument and a high-frequency high-damp probe are used and a conical water jacket spray coupling manner is used, so that the ultrasonic waves emitted by the probe can be effectively converged to the surfaces of the pipes and irradiate into the soldered parts; therefore, if the soldered parts have defects, the defect signals can be easily recognized through observing the waveforms.

The invention discloses an establishing method of a sheep testicle cell immortalized cell line. The method approximately includes the following steps of firstly, establishing recombinant plasmids; secondly, preparing slow virus sample particles; thirdly, establishing and screening an hTERT gene cell line; fourthly, expressing an hTERT gene and detecting the mRNA transcriptional level of the hTERTgene; fifthly, detecting the expression of hETRT protein. By means of the establishing method, the research status of the shortage of existing cell lines can be easily improved, and the resource use and popularization are facilitated. By establishing the sheep testicle cell immortalized cell line, the use amount of experimental animals is reduced, and a more stable experimental research object isprovided.

The invention provides ink powder special for a Kyocera digital printing and copying machine without bottom ash. The following components in additive amounts based on the weight of the ink powder are added in an external adding process of the ink powder: 0.2 to 1 percent of electropositive silicon dioxide, 0.3 to 0.5 percent of polymetylmethacrylate, and 0.05 to 0.15 percent of titanium dioxide. The invention also provides a method for preparing the ink powder. The ink powder of the invention can control electric charge within a normal developing region, so that the density of images is moderate; the distribution of the electric charge is not too wide; and anti-polarity particles are also removed. The bottom ash phenomena existing in printed documents of the Kyocera digital printing and copying machine can be avoided. In addition, when the external additives are added, the compatibility of the ink powder is also enhanced; and the bottom ash phenomena can be avoided when the compatible ink powder is used. The ink powder special for the Kyocera digital printing and copying machine without the bottom ash can be prepared by uniformly mixing the ink powder and the external addition materials according to the prior art and has high practicability.

The invention provides a multi-segment temperature soldering packaging device and method for a miniature solid laser. The device comprises a base plate, a ceramic heating sheet and fixing parts; the fixing parts comprise optical elements and supports, and each optical element is fixed to the corresponding support; the ceramic heating sheet is closely attached to the lower surface of the base plate; the base plate is fixed to an operating platform which has the cooling function and is resistant to high temperature, the base plate is provided with one or more grooves, each groove is filled with soldering materials different in fusion point, and each support to which the corresponding optical element is fixed is fixed into the corresponding groove through the corresponding soldering materials; a thermistor is installed on the side wall of the base plate. The soldering materials adopted in all the grooves are different in temperature, when each fixing part is soldered, the previous fixing part which is soldered ready is not influenced, the fixing parts and the base plate are integrated permanently, and the structure is stable and firm.

The invention discloses a computer network abnormity detection and automatic restoration system and method and a mobile terminal, and belongs to the technical field of computer network. The system comprises a network abnormity detection system which is used for performing computer network abnormity detection, a network automatic restoration system which is electrically connected with the network abnormity detection system and used for performing automatic restoration of the computer network abnormity and a network security isolation system which is electrically connected with the network abnormity detection system and used for performing security isolation of the computer network abnormity. The stability and the security of conventional detection can be guaranteed, the network security canbe effectively guaranteed by using two network cards of the intranet and the extranet and the detection system is arranged on each node of the network so that the protocol-based attack can be detected, the attacker is enabled not to transfer evidence easily, the detection real-time performance is high, the intrusion behavior can be restored and processed through the restoration processing moduleand the network restoration software module and thus the network security can be effectively guaranteed.

The invention relates to a waterproof moisturizing composition, a preparation method thereof and a liquid foundation. The composition is mainly prepared from the following raw material substances in percentage by mass: isododecane, cyclopentasiloxane, a coloring agent, a filling agent, a softening and moistening agent, a film-forming agent, an emulsifying agent, an antioxidant, a moisturizing agent, a preservative, a plant extract, essence and a solvent. Wherein the film-forming agent is formed by mixing trimethylsiloxysilicate and cyclopentasiloxane according to the mass ratio of (0.5-1.5): 1. Through cooperative use of isododecane, cyclopentasiloxane and the film-forming agent, a grease protective film layer with a good waterproof effect can be formed on the surface of skin, and the grease protective film layer has good adhesive force on the surface of the skin. The composition is not easy to diffuse in water, and has good waterproof performance and moisturizing effect.

The invention discloses a light emitting diode epitaxial wafer with novel quantum barrier and a preparation method for the light emitting diode epitaxial wafer, and belongs to the field of the light emitting diode. The light emitting diode epitaxial wafer comprises a substrate, and a u type GaN layer, an N type GaN layer, a multi-quantum-well active layer and a P type GaN carrier layer coating the substrate in sequence, wherein the multi-quantum-well active layer comprises M+N quantum well layers and M+N quantum barrier layers that are growing alternatively; the quantum well layers adopt InGaN well layers; the light emitting diode epitaxial wafer is characterized in that the M quantum barrier layers, close to the N type GaN layer, in the M+N quantum barrier layers adopt Alx1Ga1-x1N/GaN structures; the N quantum barrier layers, close to the P type GaN carrier layer, in the M+N quantum barrier layers adopt Alx2Ga1-x2N/GaN structures; M and N are both integers greater than 1, and the difference value between M and N is 0 or 1, wherein x1 is greater than 0 and less than 1; x2 s greater than 0 and less than; and x1 is greater than x2.

The invention relates to a preparation method of a magnetic nano photosensitizer composite system. The method includes preparing Fe3O4 magnetic nano particles; coating a thin layer of silicon dioxideon the surfaces of the Fe3O4 magnetic nano particles by using ethyl orthosilicate as a modifier; and assembling quantum dots CdTe and a photosensitizer on the surfaces by utilizing the adsorption effect of silicon dioxide boundary pore microspheres to obtain magnetic nano photosensitizer particles Fe3O4@SiO2@Qdots/PS. The method can utilize tumor cell specific bioluminescence as a light source, the photosensitizer is excited to generate active oxygen clusters, and electric energy can be converted into heat energy in an alternating electric field, so that the magnetic nano photosensitizer is anovel multifunctional photosensitizer.

The invention relates to a power device and particularly to a three-phase electric energy meter auxiliary binding post for facilitating the connection between an electric energy meter junction box and an electric energy meter and having high reliability. A phase-A connecting terminal, a phase-B connecting terminal, a phase-C connecting terminal, and an N null line connecting terminal are successively mounted on an auxiliary binding post pouring housing, and both ends of each terminal extend out of the electric energy meter side end face and the junction box side end face of the auxiliary binding post pouring housing. The three-phase electric energy meter auxiliary binding post, by means of the cooperation of the auxiliary binding post pouring housing, the phase-A connecting terminal, the phase-B connecting terminal, the phase-C connecting terminal, and the N null line connecting terminal, can conveniently connect the electric energy meter junction box with the electric energy meter. The three-phase electric energy meter auxiliary binding post is directly plugged when used and a corresponding fastening screw is screwed. Thus, complex wire connection is prevented and the three-phase electric energy meter auxiliary binding post is very convenient to use. Because winding connection is not required, junctions are not liable to deformation when wire connection is performed, thereby prolonging a service life and improving reliability.

The invention discloses an unbreakable PVC cable material. The PVC cable material comprises the following raw materials: 60-70 parts of SG3 PVC resin, 18-26 parts of neoprene, 26-34 parts of styrene-butadiene rubber, 6-12 parts of a flexibilizer, 4-8 parts of a phytic acid complex, 2-4 parts of epoxidized soybean oil, 1-2 parts of stearic acid, 8-16 parts of fly ash, 14-20 parts of hollow glass microspheres, 35-45 parts of nano-montmorillonite, 2-3 parts of diethoxydimethylsilane, 20-30 parts of expanded perlite, 20-30 parts of medical stone powder, 2.5-5 parts of antioxidant and 2-4 parts oftert-butyl peroxybenzoate, wherein the phytic acid complex is prepared with the following process: mixing silk fibroin fiber, sodium alginate, aniline and water, performing heating and stirring, adding phytic acid and continuously stirring the mixture to obtain a premixed solution; mixing ammonium persulfate and a hydrochloric acid solution uniformly, dropwise adding the mixed solution to the premixed solution for stirring, adding polyethylene glycol diglycidyl ether for stirring, leaving the mixture to stand for defoaming, adding a calcium chloride aqueous solution, and performing stirring uniformly and grinding to obtain the phytic acid complex.