39results about How to "Suitable for industrial manufacturing" patented technology

An electrode for an alkali fuel cell comprises an active layer formed by a bilayer or by a stack of a plurality of bilayers. Each bilayer is composed of a catalytic layer comprising catalyst particles of nanometric size and of a porous layer comprising two opposite faces one of which is in contact with the catalytic layer. The porous layer is made from a porous composite material comprising a hydroxide ion conducting polymer matrix in which a metallic lattice is formed constituting a plurality of electronically conducting paths connecting the two opposite faces of the porous layer. Advantageously, fabrication of such an electrode is obtained by successively performing vacuum deposition of the catalyst particles and vacuum co-deposition of the hydroxide ion conducting polymer and of the metal on a free surface of a support.

The invention discloses an alignment-based image denoising method and system. The method includes the following steps that: a plurality of images to be processed which are continuous in the aspect of time are obtained, and the first foremost image in the aspect of time is adopted as a template image, and the subsequent images to be processed are adopted as operation images; alignment processing is performed on the operation images and the template image, so that alignment images can be obtained; respective color values of red, green and blue channels of corresponding pixels of the alignment images are calculated; and finally, comparative calculation and denoising processing are performed on the red, green and blue channels of each pixel of the template image and the red, green and blue channels of the corresponding pixels of the alignment images, so that de-noised images can be obtained. The algorithm is simple and convenient to use, and has high time and space efficiency, and can be better applied to production and popularization, and is very suitable for industrial manufacturing.

The invention provides a method for preparing a high-quality polythiol curing agent for an epoxy resin. The method comprises the following steps: a) enabling NaSH, a catalyst, halogenated polyether polyhydric alcohol and water to react in the presence of H2S, and further separating the catalyst so as to obtain a crude product, wherein the catalyst is a three-phase transfer catalyst; and b) performing water washing and drying on the crude product obtained in the step a) in sequence, so as to obtain the high-quality polythiol curing agent for the epoxy resin. Compared with the prior art, the method adopts a specific type of catalysts, the high-quality polythiol curing agent for the epoxy resin is synthesized by using a specific preparation process through solvent-free method three-phase transfer catalysis, the prepared product is colorless and transparent and low in halogen residue, and in addition, the catalyst is easy to recycle, low in separation cost, recyclable and very good in industrial application prospects. Testing results show that the chromaticity of the high-quality polythiol curing agent which is prepared by using the preparation method provided by the invention and is adopted for the epoxy resin is 16-21, and the halogen content is within 176ppm.

The invention provides a heat pipe radiator with a variable-section hot end and multiple pulsation cold ends. The heat pipe radiator with the variable-section hot end and the multiple pulsation cold ends comprises the pulsation cold ends and the hot end. The heat pipe radiator with the variable-section hot end and the multiple pulsation cold ends is characterized in that each pulsation cold end is a heat dissipating plate internally provided with multiple pulsation channels, the hot end is a hollow cavity, the cavity is filled with a working medium and a capillary liquid absorbing core, an upper cover plate of the hot end hollow cavity is provided with multiple cold end connectors, each cold end connector is provided with one pulsation cold end, and the pulsation channels of the pulsation cold ends communicate with the hollow cavity of the hot end. The heat pipe radiator with the variable-section hot end and the multiple pulsation cold ends is simple in structure, easy to manufacture and capable of being transversely and vertically used, the variable-section structure is adopted, so that the pressure bearing capacity of heat pipes can be improved, especially the heat dissipating area of the cold ends is increased, the two thermal processes of evaporation and condensation adopt a pulsation heat transferring mode and a porous medium heat transferring mode correspondingly, the heat transferring performance and the medium transferring performance are effectively improved, backflow is uniform, the temperature uniformity is good, and the heat pipe radiator with the variable-section hot end and the multiple pulsation cold ends is suitable for industrial manufacturing.

Disclosed herein is a process for preparation of 1-chloro-2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)propane-2-ol (compound of formula (I)) 5 and 2-(1-chlorocyclopropyl)-2-[(2-chlorophenyl)methyl]oxirane (compound of formula (II)).

The invention provides a composite fireproof plate and a preparation method thereof. The preparation method comprises the following steps that a), a plurality of stainless steel nails are fixed in a metal plate groove, are coated with an inorganic binding agent, and then are pressed into ceramic fiber blanket folding blocks, so that the stainless steel nails penetrate through the folding blocks; after the inorganic binding agent is coated on the surfaces of the folding blocks, a punching hole mesh and a metal foil are sequentially bound, hot pressing is carried out to the height of the frame in the metal plate groove to obtain the composite fireproof plate; and the compression rate of the ceramic fiber blanket folding blocks is 30%-60%. Compared with the prior art, the preparation method of the composite fireproof plate adopts specific process steps and conditions, and through pressing into the ceramic fiber blanket folding blocks, the obtained composite fireproof plate is excellent infire resistance and low in volume weight; meanwhile, the bearing capacity of the product is improved through the specific fixing mode under the action of the metal plate groove, the stainless steel nails and the punching hole mesh; and raw materials does not contain organic, toxic and harmful components, the environmental protection property is good, and wide application prospect is achieved.

The invention discloses a novel whole set structure of a door plate, a door sleeve and hinges. The novel whole set structure comprises a right side frame, a left side frame, an upper side frame and a door plate body. The right side frame is mainly composed of a right outer frame body, a right frame plate and a right inner frame body. The left side frame is mainly composed of a left outer frame body, a left inner frame body and a left frame plate. The upper side frame is mainly composed of an upper outer frame body, an upper frame plate and an upper inner frame body. The door plate body is mainly composed of surrounding columns, side seal plates, a face plate, a core plate and end seal plates. Hinge assemblies are arranged at the upper and lower ends between the door plate body and the left side frame. According to the structure, the large number of labor costs is saved, the large amount of mounting time is saved, and excessive waste of materials is avoided; the strength of the door plate is increased, the cost is reduced, and mounting is better facilitated; the connecting mode of the door plate and the door frames is concealed, and overall attractiveness is achieved; and the structure utilizes a novel assembling mode, the labor intensity of workers and the technical requirement are reduced, the strength of the door structure is strengthened, and the production period is shortened.

A deformable plastic check valve for sewer pipe is prepared from the elastic plastics resisting to ageing, acid and alkali, and has the elastic lower mouth with honeycomb structure, closed top end with a pull-up ring, and reinforcing rings on its external circumference. When water is flushed down, it isdeformed from draining the water and then elastically restored to its original shape. Its advantage is high sealing performance.

The invention provides a novel hanging type infusion stand, in particular to a novel hanging type infusion stand which is medical, slidable and telescopic and is provided with a slide locking function. A power source data line is inlaid in a hollow tubular hanging rod, medical instruments such as an infusion monitor and an infusion pump can be assembled outside the hanging rod, and infusion height and ground clearance can be optionally adjusted by telescopic length of the hanging rod. The novel hanging type infusion stand with a double-spring structure is simple in structure and ingenious in design, the advantage of the hanging type infusion stand that space is saved is kept while the problem about mounting of electricity-dependent medical instruments is solved. Medical environment is effectively improved, and enormous economic and social benefits are achieved.

The invention discloses a motorcycle rear fork anti-theft lock. A motor driving mechanism is arranged in a motorcycle rear fork anti-theft lock shell; one end of a lead screw is connected with a motor shaft; the other end of the lead screw is rotationally arranged on a shaft sleeve; a driving block is rotationally connected to the lead screw driven by using a direct-current motor; a lock rod is in sliding fit with a slip way; a connecting rod is hinged between the driving block and the lock rod; the left and the right sides of the lead screw are provided with locking and opening limiting switches respectively; the upper end of a pull rod which is fixedly connected to a mechanical lock core opened by using an external extending key extends into a hole in an emergency screw rod; and the inner end of the emergency screw rod is rotationally connected to the shaft sleeve from outside to inside. Due to the adoption of the motorcycle rear fork anti-theft lock, technical unlocking and violent unlocking can be prevented; and the motorcycle rear fork anti-theft lock has the characteristics of reasonable structure, easiness and convenience in operating and high anti-theft performance.

The invention discloses a mono-crystalline silicon double-sided solar cell. A front texturing morphology structure (1), a front PN emitter junction (2), a front passivated anti-reflection medium layer (3) and a front electrode (4) are sequentially formed on the front of a mono-crystalline silicon substrate (100). A back texturing morphology structure (5), a back surface field (6), a back passivated anti-reflection medium layer (7) and a back electrode (8) are sequentially formed on the back of the mono-crystalline silicon substrate. The solar cell is characterized in that the back texturing morphology structure (5) is a platform type texture surface, and platform structures (5a) are distributed on the mono-crystalline silicon substrate in a scattered, or tiled, or partially scattered, partially tiled, partially connected and partially overlapped way. The invention further discloses a preparation method of the mono-crystalline silicon double-sided solar cell. The minority carrier surface recombination and optical absorption characteristics of the double-sided solar cell are optimized, and the efficiency of quantum conversion is improved.

An electrode for an alkali fuel cell comprises an active layer formed by a bilayer or by a stack of a plurality of bilayers. Each bilayer is composed of a catalytic layer comprising catalyst particles of nanometric size and of a porous layer comprising two opposite faces one of which is in contact with the catalytic layer. The porous layer is made from a porous composite material comprising a hydroxide ion conducting polymer matrix in which a metallic lattice is formed constituting a plurality of electronically conducting paths connecting the two opposite faces of the porous layer. Advantageously, fabrication of such an electrode is obtained by successively performing vacuum deposition of the catalyst particles and vacuum co-deposition of the hydroxide ion conducting polymer and of the metal on a free surface of a support.

The invention relates to a poly(p-phenylene benzobisoxazole) (PBO) composite fiber containing nano-TiO2 preparation method, comprising the following steps: dissolving 4,6-diaminoresorcinol hydrochloride and terephthalic acid and a certain number of phosphorus pentoxide in equal molar ratio in polyphosphoric acid, removing hydrogen chloride gas, heating and polymerizing to obtain poly(p-phenylene benzobisoxazole), then adding poly(p-phenylene benzobisoxazole) and phosphoric acid solution containing nano-TiO2 in a double-screw extruder and obtaining PBO composite fiber containing nano-TiO2 by dry-jet wet spinning; the invention uses nano-TiO2 particles with ultraviolet shielding property and utilizes the strong shearing and high effective blending of the double-screw extruder to prepare thecomposite fiber; compared with pure PBO fiber, the ultraviolet aging resistance property is effectively improved while the mechanical properties are not reduced.

The invention provides a preparation method and a use method of high-concentration silver nano-wire stabilized ink used for storage. The silver nano-wire stabilized ink with the solid content of 0.05-10wt% is obtained by using a silver nano-wire prepared through a salt assisted polyol technology as a conductive filler and PVP as a surfactant and a viscosity adjusting agent, adding an organic solvent and stirring for 30-35min. The silver nano-wire is purified through simply cleaning the prepared stabilized ink. The purified silver nano-wire can be used to produce high-performance transparent electrodes. The preparation method has the advantages of simplicity, easy implementation, good repeatability, high-concentration nano-wire storage benefiting and large scale production.