135 results about "Radiation process" patented technology

Disclosed in the invention is a secondary water-loop server cabinet cooling system. Heat radiation is carried out by using a liquid conducting method. The cooling system comprises an internal circulating system, an external circulating system, and a control system. An internal circulating loop secondary refrigerant absorbs heat from a server core component by a server heat pipe assembly and then flows to an intermediate heat exchanger to carry out heat exchange with an external circulating flow for heat radiation; after the external circulating flow absorbs heat, the heat is dissipated to the external environment by a cooling tower, thereby realizing the natural heat radiation process. And precise temperature control and energy-saving running of the cooling system can be realized by the control system. According to the invention, no compressor refrigerating system is needed. Effective heat radiation of the server is realized by using a complete natural cooling way; and the energy saving effect is obvious. Meanwhile, a heat pipe indirect cooling scheme is used for the server chip and the water can not enter the inside of the server directly, so that compared with other direct liquid-cooled schemes, the provided scheme enables security of the server to be improved.

The present invention relates to surface grafting process of preparing hydrophilic nanofiltering film. The surface grafting process is one radiation grafting process, which is low temperature plasma radiation process, ultraviolet radiation process, high energy ray radiation process, etc. The present invention has simple operation, controllable reaction, regulation of separating membrane performance in great range and other features, and is especially suitable for the preparation of hydrophilic nanofiltering film.

The invention provides a Loop antenna system with gaps for radiation. The Loop antenna system comprises a metal frame. The two gaps are formed in the bottom edge of the metal frame. The interior of the metal frame is divided into a clearance zone and a main land portion. The clearance zone is located on the side, close to the gaps, in the metal frame and the main land portion is connected with the metal frame. The two ends of the portion, between the two gaps, of the metal frame are connected with a feed source and the main land portion respectively through antenna portions, so that a Loop antenna structural mode is formed and the antenna portions are located in the clearance zone. According to the Loop antenna system, the metal frame of a mobile terminal serves as a part of an antenna to be used in the radiation process. On one hand, radiation is conducted by the two gaps and the Loop antenna together so that the high-radiation antenna system can be formed and have the advantage that the bandwidth is increased; on the other hand, due to the facts that the two gaps are formed in the bottom edge and the Loop antenna is low in sensitivity, the Loop antenna system has the advantages of being low in sensitivity and high in signal strength.

The invention belongs to a method for preparing small molecular weight or water-solubility chitosan by using radiation process. It is characterized by that a refined high molecular weight chitosan solid or solution can be irradiated by using 60 Co gamma-rays and degraded, and the degradation product is undergone the after-treatment steps of dissolution and decolouration, etc. so as to obtain the invented small molecular weight or water-solubility chitosan. Said chitosan has several purposes, can be used as agricultural production-increasing agent, food drying agent, natural anti-bacterial material and bio-medicine material, etc.

The invention provides a method for synthesizing metal molybdate micron / nano materials by adopting a microwave radiation method. The method is characterized by taking alkaline-earth metal salts or rare-earth metal salts, ammonium molybdate and a surfactant ethylene diamine tetraacetic acid as raw materials and distilled water as a solvent, and adopting the surfactant-assisted microwave radiation method to prepare the molybdate micron / nano materials. The method has the following advantages: by adopting the surfactant-assisted microwave radiation method to prepare the metal molybdate micron / nano materials, the prepared materials have uniform sizes and regular topography, and effective control on the microstructures of the products can be realized by controlling the conditions of the microwave radiation process; the method has the advantages of mild reaction conditions, simple equipment, high process controllability, high yield and the like; and the metal molybdate micron / nano materials can be widely applied to the fields such as energy storage and conversion, gas sensing, photoluminescence, laser illuminators and the like.

Multi-tone resists can enhance the resolution limit of a lithographic process by advantageously using the changeable solubility of a resist composition as a function of lithographic radiation dosage. By imaging a multi-tone resist with different doses of lithographic radiation in a selected pattern, the pattern can be imparted to the resist upon subsequent development of the resist. In some aspects, a resist composition is utilized having an aliphatic polymer (e.g., a copolymer with fluoropolymer units and / or methacrylate units) with acid labile groups and a plurality of crosslinkable groups that can be crosslinked to other portions of the aliphatic polymer. Other components such as base generators and / or crosslinking agents can also be included. Such compositions can be useful in extending the resolution of UV lithographic radiation processes (e.g., wavelengths less than 200 nm). Other aspects of such compositions and methods are also discussed.

The invention provides a heat radiation management method of a battery pack. According to the heat radiation management method, the battery pack and a battery box for holding the battery pack are included; a fan for controlling a rotating direction is mounted in the battery box; a plurality of temperature sensors are distributed in the battery box; an opening moment and the rotating direction of the fan can be controlled according to temperature distribution information sampled by the temperature sensors; and the method adopts a bidirectional serial ventilation method to carry out heat radiation management on the battery pack so that the problems that the temperature of the battery is abnormally raised in a heat radiation process, the temperature difference of the battery is enlarged and the like are effectively avoided. According to the method, the device is simple and a realization method is easy to realize; and the heat radiation management effect is good and the commonality is strong.

The invention provides a direct assimilation method of MODIS satellite data. The direct assimilation method of the MODIS satellite data includes the steps that the MODIS satellite data are pre-processed; the MODIS satellite data are detected; an assimilation satellite data set is determined; a radiation transmission mode is optimized; the MODIS satellite data are assimilated. Simulation of the radiation transmission mode on the earth surface radiation process is improved, the accuracy of simulating the atmosphere movement inside a boundary layer by a numerical mode is improved, and the accuracy of numerical weather prediction data for wind power forecast is further improved.

The invention relates to a new energy vehicle motor with heat radiation and dedusting functions; the motor has a housing, a rotary shaft, a rotor, a stator and a filter net, a heat radiation mechanismand a dedusting mechanism; the heat radiation mechanism comprises an air exhaust assembly and a cooling assembly; the air exhaust assembly comprises a trigger unit and an air exhaust unit; the cooling assembly comprises a connecting tube, a water tank, a gas inlet tube, a gas outlet tube and a drying room; the dedusting mechanism comprises a control room, a second spring, a vertical rod, a fixedblock, a cleaning brush and a bellows. The new energy vehicle motor with heat radiation and dedusting functions can use the heat radiation mechanism to assist the heat radiation process, thus preventing the internal temperature of the housing from getting too high and causing motor damages, and protecting motor safety; the dedusting mechanism can clean the filter net so as to prevent dusts and impurity from blocking the filter net, thus greatly improving the motor safety and reliability.

The invention discloses a battery thermal-runaway prediction method based on a thermal-resistance network model. According to the method, battery single-bodies in a large battery pack are simplified into thermal network nodes, convection, thermal-conduction and radiation processes in a battery pack system are simplified into thermal resistance, and a circuit solving method is utilized to realize fast calculation of battery pack thermal-transfer processes. In addition, different cooling manners are simplified into corresponding thermal-resistance modules to be embedded into a battery pack thermal-resistance network, and effectiveness of the cooling manners on thermal-runaway protection can be evaluated. A thermal-runaway prediction process includes: establishing a single-body thermal-resistance network on the basis of thermal-transfer feature parameters of the battery single-bodies; calculating battery steady-state thermal-generation quantity, setting corresponding thermal-management schemes, and obtaining battery single-body thermal-generation features of a thermal-runaway process through experiment; establishing the battery pack thermal-resistance network; giving a thermal-runawayoccurrence position, and setting a normal battery thermal-runaway temperature lower-limit; and recording predicted battery pack damage progress and damage time, and assessing protection effects of the different thermal-management measures.

The present invention discloses a mobile electron beam radiation sterilizing apparatus, comprising: a movable chassis vehicle (1); a cabinet body (2) installed on the chassis vehicle (1); an electron accelerator (6) which generates electron beam for articles to be radiation-processed; an accelerator control box (31), which controls operation of the accelerator, wherein the electron accelerator (6) is provided in the cabinet body. The invention has advantages as following: since the electron accelerator is provided in the cabinet body of the chassis vehicle, it has a small volume with flexible maneuverability, which can be transferred rapidly in a short time. In addition, the apparatus has no additional requirement of using environment, and does not need any additional construction. The invention can implement electron beam radiation for all kinds of documents and mails and achieve rapid and complete sterilization, reaching safety purpose. Further, there is no damage or residual radiation for the processed articles. Moreover, the apparatus has a high degree of automation assembly with easy operations and safety. Thus, it is suitable for chief departments at home and abroad.

Process and apparatus for joining components, in particular plastic components, by laser beams using a transmission welding process. To ensure that the laser beams are simultaneously introduced into the region of the joint seam even in the case of relatively large components, a clamping element is provided. The clamping element includes devices for diverting the laser beam onto the joint seam. In addition, there is a clamping part which is matched to the shape of the components and is transparent to the laser beam, by which clamping part the components are pressed together and the laser beam is introduced into the region of the joint seam. This allows a scanner process to be used without restriction for all possible components in particular in the case of simultaneous welding. The process can also be used to solder connections for electronic components.

The invention discloses an anion-exchange membrane for fuel cells and a preparation method thereof, and a fuel cell using the anion-exchange membrane. The preparation method of the anion-exchange membrane comprises the following steps: mixing a polymer ionic liquid, a polymer monomer A and an emulsifier, dropwisely adding the mixture on a glass plate, putting the glass plate in a radiation field in a nitrogen atmosphere, carrying out radiation by a cobalt 60-gamma radiation process for 30-40 minutes to initiate polymerization radiation free radical reaction, and immersing the obtained polymer membrane in a 0.5-1 mol / L KOH solution at 50-60 DEG C for 60-78 hours to perform ion exchange; and finally, immersing the membrane in deionized water until the residual deionized water is neutral. The anion-exchange membrane disclosed by the invention has the advantages of favorable alkali resistance, favorable mechanical properties, higher ionic conductivity and higher heat stability.

The invention discloses an innovative process to produce highly antibacterial nano-composite fabric textile containing silver metal compound. The process mainly uses high-energy D-ray radiation to modify silver type of bactericides and graft or crosslink them onto Nylon or PET fiber surface to produce excellent antibacterial textile products. The mechanism uses silver nano-compound as performance additive and through Co-60 irradiation technique reduces and firmly fastens silver particles onto Nylon or PET (Polyethylene Terephthalate) fiber material. Because the inorganic silver type bactericides actively interact with enzymes in bacteria or destroy cell walls to achieve good bactericidal effect, the radiation process does not need initiators or other additives. So the process is simple and effective. The test results prove excellent bactericidal power and potential value in household or medical textile products.

The present invention relates to new microwave radiation process for producing potassium sulfate. The process includes the following steps: mixing potassium chloride and industrial sulfuric acid in certain weight ratio in an anticorrosive reactor, radiating with 600-50,000 MHz microwave while stirring to react at 400-800 deg.c for 5-60 min to produce potassium sulfate, cooling and crushing to obtain potassium sulfate product, and cooling the produced hydrogen chloride gas and absorbing with water in an absorbing tower to produce hydrochloric acid as the side product. Compared with available technology, the present invention has the advantages of high reaction speed, short production period, high product quality, no environmental pollution, etc.

The invention discloses a hog house fresh air, temperature and humidity regulation and control system. The hog house fresh air, temperature and humidity regulation and control system comprises a roof, a plastic film greenhouse, a supporting member, a fermentation bed and a platform, wherein periphery of a hog house is enclosed by brick walls, the wall of the hog house is provided with a wall interlay air channel, the connection portion of the wall interlay air channel and the hog house is provided with an air supply outlet, the upper portion of the hog house comprises the roof, the supporting member and the plastic film greenhouse, the upper portion of the plastic film greenhouse is provided with a sunshading screen cloth, the roof is provided with an electrical air exhaust port and an axial-flow blower fan, a shady face wall of the hog house is provided with a ventilation window, the fermentation bed and the platform are at a central position of the hog house, soil below the fermentation bed and the platform is provided with heat exchange air channels, and ground portions of the heat exchange air channels are provided with air inlets and filter nets. A summer air exchange and heat radiation process is a natural convection heat exchange process, forced mechanical air exhaust is not necessary, outdoor hot air is cooled and dehumidified through the ground soil and is then sucked into the hog house, fresh air exchange is further realized, no energy consumption is realized in the process, and the cooling effect is excellent.

The invention discloses an application of a human ING4 gene serving as a tumor radiation sensitizer and also provides a method for enhancing the sensitivity of in-vivo / in-vitro tumor cells to radiation. The method comprises the following steps: introducing a human ING4 gene into the in-vivo / in-vitro tumor cells before radiation so as to enable the human ING4 gene to be expressed in the tumor cells, and then radiating the human tumor cells. According to the application of the human ING4 gene serving as the radiation sensitizer and the method for enhancing the sensitivity of in-vivo / in-vitro tumor cells to radiation, the ING4 gene can be applied to a tumor radiation process, thereby obviously promoting the sensitivity of different tumor cells to radiation, effectively restraining the growthof the tumor cells and inducing the tumor cells to die.

The invention belongs to a method for preparing water-soluble chitosan through a radiation process. Small molecular weight or water-soluble chitosan is obtained by carrying out radiation degradation on a refined solid or solution of high molecular weight chitosan by using 60Cogamma rays, and carrying out post-processing steps of a degradation product, such as dissolving, decolourizing and the like. The method is convenient to operate, rapid, simple, convenient, high in yield, good in repeatability, easy to control molecular weight, environment-friendly, low in pollution and low in cost. The method not only can be used for rapidly preparing a few water-soluble chitosan samples but also has further industrial possibility. The obtained chitosan is multifunctional and can be used as an agricultural output increasing agent, a food drying agent, a natural antibacterial material, a biomedical material and the like.

The invention provides an electron radiation cross-linked polypropylene foam sheet and a preparation method thereof. The electron radiation cross-linked polypropylene foam sheet comprises 55-68wt% of a polypropylene resin, 10-20wt% of a polyethylene resin, 10-15wt% of a polyoxyethylene resin, 4-9wt% of a cross-linking agent, 3-8wt% of an antioxidant and 5-10wt% of a foaming agent. The performances of materials and the characteristics of a production technology are fully combined, a radiation process is utilized to overcome the rapid decrease trend of the intensity of polypropylene when the temperature is higher than the melting point, the content of polyethylene in the sheet plays a substantial role in the cross-linking degree of polypropylene, and the cross-linking degree of polypropylene is the key for polypropylene foaming. Compared with polypropylene foam sheets obtained through common radiation cross-linking methods, the polypropylene foam sheet prepared in the invention has the advantages of substantially improved performances, obviously improved tensile strength and elongation at break, fine foam holes, and uniform foaming.

The invention discloses a passive transceiving common-frequency RFID system with a triaxial closed-loop self-tuning function. According to the passive transceiving common-frequency RFID system, a triaxial tuning network is inserted in a space between a directional device of a reader-writer and a high-frequency switch. The triaxial tuning network comprises a basic fixed capacitor, an intermediate digital tuning capacitor, an input digital tuning capacitor and an output digital tuning capacitor. Tuning parameter table items are established automatically corresponding to a currently selected antenna port for all working frequency points in a working frequency band of the reader-writer so as to form a tuning parameter table bound with the antenna port and the working frequency band. In the continuous radiation process of an antenna connected with the antenna port of the reader-writer, the reader-writer reflects power detection in real time, dynamically modifies the tuning parameter table, and compensates for environmental changes within the radiation range of the antenna in real time. For the purpose of prolonging a label reading distance, improving the transmitting power of the reader-writer and restraining forward leakage and forward reflection of the reader-writer at the same time, the triaxial tuning network is used for lowering the forward reflection of the reader-writer. The method is simple in circuit and debugging.

This invention relates to DMC image response image radiation process method aiming at DMC color integration due to different cameral CCD difference in the image process and analysis field. This method adopts gold strategy and difference image fringe principle to automatically position matching lines and color area position and to adopt block method and voting to improve the method stability.

The embodiment of the invention discloses a method for manufacturing black silicon materials. The method comprises the steps that a mask layer is formed on a silicon substrate; a preset graph through hole array is formed in the mask layer in a photoetching mode; the silicon substrate is etched, and a preset graph groove array is formed in the silicon substrate; the mask layer is removed from the silicon substrate; the silicon substrate is put into sulfurous gas, laser pulse radiates the silicon substrate, and the black silicon materials are obtained. According to the method for manufacturing the black silicon materials, high-energy laser is used for radiating a periodic array structure on the silicon substrate in a sulfurous gas environment, so that a micro-nano dual structure is formed, and sulfur doping is achieved at the same time in the radiation process. The absorption wave length of the obtained black silicon materials is expanded, the absorption rate is higher, the range of the absorption wave length is larger, and process steps are simple.

The disclosure relates to an electrical installation device, e.g., a circuit-breaker, motor protecting switch, and similar, comprising a housing that is formed from shell-type housing parts, an electromagnetic trigger, a thermal trigger, a breaker mechanism with a latching point, a slide which transmits the movements of the thermal trigger and the magnetic trigger to the breaker mechanism in order to unlatch the same, and a striker that is connected to the armature of the electromagnetic trigger and acts upon a movable contact piece of a contact point in case of a short-circuit so as to open the contact point. The shell-type housing parts, the slide, and the striker are made of plastic. At least the slide is formed from radiation-crosslinked thermoplastic to which an additive has been added as a crosslinking promoter before the radiation process.

The present invention is microwave radiation process for synthesizing water absorption material with potato stem and leaf. The preparation process includes the following steps: drying and crushing potato stem and leaf and mixing with distilled water in 40-120 times; adding acrylamide in 1-6 times the weight of potato stem and leaf and acrylic acid in 0.3-2 times through stirring; radiating the mixture in a microwave reactor of radiation power 150-250 W to produce grafting polymerization for 3-8 min; soaking the product in methanol for 1-5 hr, stoving and crushing. The water absorption material has distilled water absorbing rate of 200-1100 times the dry weight, and 0.9 % concentration salt water absorbing rate of 20-95 times the dry weight. The preparation process has short reaction period, low power consumption and high efficiency.

The invention relates to the technical field of disperse processing of inorganic nano materials and polymers, and in particular relates to an inorganic nano photo-crosslinking promoter and a preparation method thereof, and a nano composite photo-crosslinking EVA adhesive film and a preparation method thereof. The preparation method of the inorganic nano photo-crosslinking promoter comprises the following steps: modifying inorganic nano powder, and mixing the prepared modified organic nano powder with an auxiliary agent and a solvent to prepare the inorganic nano photo-crosslinking promoter; and the preparation method of the nano composite EVA film comprises the following steps: mixing the inorganic nano photo-crosslinking promoter with other auxiliary agents to prepare an auxiliary agent mixture, and then mixing the auxiliary agent mixture with EVA to prepare the nano composite EVA film by virtue of a tape-casting process. The prepared nano composite photo-crosslinking EVA adhesive film disclosed by the invention has excellent mechanical performance and electrical performance, is strong in weather resistance, high in light transmittance rate, small in volume shrinkage, simple in process equipment and less in investment, is easy to operate, cannot cause pollution to the environment, does not have harsh safety protection requirements, and has small radiation damage to EVA in a radiation process; and the nano composite EVA film can be used for conveniently adhering a display screen to a touch screen together, is convenient to rework, and also can be used for avoiding overflowing adhesives from blocking holes.

A laser pumping method pumps a primary amount of energy into the near red satellite band of a metal vapor and noble gas mixture laser medium and a lesser amount of energy is pumped into a highly excited level to stimulate laser output. The medium is can be a Rb vapor and Xe gas mixture. The lesser amount of energy is pumped into the laser medium to populate an excited level that lies above the upper laser level and transfers atomic or molecular population to the upper laser level by a nonradiative process. In preferred embodiments, the intermediate level is within a few kT of the upper laser level and the primary amount of energy is a large majority of the total energy. A laser device includes metal vapor and noble gas mixture laser medium to populate an intermediate level near an upper laser level, and pumping a lesser amount of energy into a highly excited level to stimulate laser output. The medium can be an Rb vapor and Xe gas mixture in preferred embodiments. A primary energy pump pumps population in a near red satellite band. A second energy pump having substantially less energy than the primary energy pump pumps population to a highly excited level.

The invention provides a method for producing a radiation-vulcanized ethylene propylene diene monomer flame-retardant automobile rubber tube, and relates to the technical production of automobile auxiliary radiator rubber tube production. The method comprises the following steps: premixing ethylene propylene diene monomer, aluminum peroxide, organic zinc, stearic acid, an anti-aging agent, a crosslinking agent, an antioxidant, paraffin and an accelerant into an open mill or internal mixer to form a rubber compound; cooling the rubber compound to room temperature, continuously extruding and molding by a single-screw extruder; performing radiation crosslinking by an electronic accelerator to form the automobile rubber tube under a condition that the radiation dosage is 100-150KGy. According to the method, the rubber tube is subjected to radiation crosslinking by utilizing an electron beam radiation technology, the performance of the rubber tube can be greatly improved, and the radiation process is performed at normal temperature and normal pressure; the rubber tube has the advantages of saving energy and protecting environment, shortening the vulcanization time and improving the vulcanization effect; the high (low) temperature performance, ozone resistance, coolant resistance and oil resistance of the formed product can be greatly improved.