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59results about How to "Improve performance drop" patented technology
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Method for making soft magnet silicon aluminium alloy powder core
InactiveCN1516204AHigh mechanical strengthImprove securityInorganic material magnetismSoft magnetIngot
The invention provides method to make a soft-magnetic inductance iron core by Fe-Si-Al alloy powder, including the steps: smelting Fe-Si-Al alloy - roughly crushing the cast ingot - heat treating - finely crushing into powder - annealing - grain mixing - passivating - adding insulating, binder, and mould-release agent - die forming - heat treating -coating surface. Its character: the binder is an epoxy one; the tempering after die forming is preserving the heat of the formed alloy powder at least 30 min on the condition of 600-800 deg.C nitrogen gas, argon gas or vacuum.
Owner:ZHEJIANG KEDA MAGNETOELECTRICITY
Low-temperature lead-free solder alloy
ActiveCN105195915ALow melting pointReduce overheating warpageWelding/cutting media/materialsSoldering mediaRare-earth elementMechanical impact
The invention discloses a low-temperature lead-free solder alloy, containing larger than or equal to 30% of and smaller than or equal to 60% of Bi, larger than 0.001% of Si and smaller than or equal to 0.02% of Si, as well as microalloy elements (alterant), rare earth elements, antioxidant elements and the balance of Sn and inevitable impurities. The large crystal grains of a Bi phase in a traditional Sn-Bi alloy system and the problem of reliability of brittle rupture of a welding joint is caused by that Bi is segregated at a Cu / Cu3Sn interface to form a brittle Bi layer in a long-term service process of the traditional Sn-Bi alloy system are effectively improved, and the mechanical impact and falling resistance of the traditional Sn-Bi system alloy can be greatly improved.
Owner:EUNOW ELECTRONICS TECH CO LTD SUZHOU
Plastic weaving bag production process
InactiveCN103572392ARaw material ratio is reasonableImprove performanceBox making operationsPaper-makingProcess engineeringWinding machine
The invention discloses a plastic weaving bag production process and relates to the field of packing materials. The process comprises five technological processes of raw material burdening, mixing, drawing, weaving, printing-cutting and sewing. In the process method, raw material proportions in the raw material burdening process are reasonable, the performances of all the raw materials are fully played, the combined performances are greatly improved, a filling master batch adopts nano-calcium carbonate, and the mechanical properties and stability of the materials are improved; by reasonably controlling the parameters such as temperature, time and retraction ratio in the drawing process, manufactured ribbon-like filaments are excellent in quality and good in mechanical properties without being easily broken, and massive electric energy is saved by adopting a cam-combined energy-saving winding machine for winding and molding; after all steps of the weaving process, yarns are uniformly arrayed with less crossing and twisting, and a cloth surface has no wrinkles and is more attractive and reasonable in density; by reasonably controlling the needle pitch in the sewing process, the sewing direction strength of a weaving bag is high and the weaving bag has good falling performance.
Owner:TONGCHENG FURUN PACKAGING MATERIAL
Drop discharge apparatus, method for forming pattern and method for manufacturing semiconductor device
InactiveUS7585783B2Pattern accuracy be improveSimplify manufacturing processSolid-state devicesSemiconductor/solid-state device manufacturingPhotolithographyEngineering
In this invention, it provides a method for forming a pattern, which is capable of improving position control after a drop, which was discharged from a drop discharge apparatus, was landed on a substrate. In addition, it provides a drop discharge apparatus which is capable of improving drop position accuracy after it was landed. Further, it provides a method for manufacturing a semiconductor device which uses the drop discharge apparatus of this invention.This invention is characterized in that a drop which was discharged from a discharge part, or a substrate on which a drop is landed, is irradiated with a laser beam, and a landing position of a drop is controlled. By this invention, it is possible to form a pattern, without using a photolithography process.
Owner:SEMICON ENERGY LAB CO LTD
Active organic electroluminescence displaynig unit
InactiveCN1553421APromote crashImprove performance dropStatic indicating devicesDriving currentEngineering
The unit includes an organic light-emitting diode, a first drive transistor, a second drive transistor and a switch transistor. The first drive transistor is coupled between anode of organic light-emitting diode and first voltage source in first waveform. The second drive transistor is coupled between anode of organic light-emitting diode and second voltage source in second waveform. The switch transistor is coupled to grid electrodes of the first and second drives transistors. Thus, switch transistor in on state enables first and second drives transistors. Voltage in first waveform and voltage in second waveform are complemented so as to provide drive current for organic light-emitting diode through first and second drive transistors alternately.
Owner:AU OPTRONICS CORP
Modified polyolefin composite membrane composition, modified polyolefin composite membrane and preparation method and application thereof
ActiveCN112721372AImprove barrier propertiesStrong puncture resistancePackage recyclingFlexible coversPolymer sciencePolyolefin
The invention relates to the technical field of composite packaging and processing, and discloses a modified polyolefin composite film composition, a modified polyolefin composite film and a preparation method and application of the modified polyolefin composite film. The composition comprises a first layer of film material, a middle layer of film material and a third layer of film material, wherein the third layer of film material comprises a PE corona layer material, a barrier layer film material and a PE heat-seal layer material; wherein the first layer of film material and the middle layer of film material respectively contain one or more selected from C4-C8 polyethylene, unitary homo-polypropylene, binary co-polypropylene and ternary co-polypropylene; and the barrier layer film material contains an ethylene-vinyl alcohol copolymer and / or thermoplastic polyvinyl alcohol. The composite film has high barrier property, puncture resistance, pressure resistance and falling property.
Owner:SHANGHAI ROYAL NEW MATERIALS TECH CO LTD
Flexible structure-variable compressed air energy storage system with vortex machines
ActiveCN103925216AImprove performance dropSolve power fluctuationsRotary/oscillating piston combinations for elastic fluidsCompression machines with non-reversible cycleNew energyPermanent magnet synchronous motor
The invention discloses a flexible structure-variable compressed air energy storage system with vortex machines, which is applied to a cold-thermo electric micro-grid system and provided with two electric heating connectors. The compressed air energy storage system comprises the vortex machines, clutches, air circuit valves, an air storage tank, a heat storage tank, a heat exchanger, a heat exchange pump, a permanent magnet synchronous motor and a bidirectional converter. The multiple vortex machines are optimized by the clutches and the air circuit valves to form multiple energy storage system structures which are optimally selected in combination with the air pressure of the air storage tank and the dispatching power of a micro-grid. To be specific, a series structure is determined according to the ratio of inner pressure to outer pressure of the vortex machines, and a parallel structure is determined according to the dispatching power of the micro-grid and the power of the energy storage system. According to the invention, energy generated by compression and expansion is recycled to the heat storage tank by the heat exchanger, and compression energy storage capacity is improved in combination with heat exchange between the heat exchange pump and a thermal loop of the micro-grid; the compression energy storage capacity and the short-time quickly changing fluctuating power adjusting capacity can be effectively improved, and the development of new energy industry and the optimizing and upgrading of the energy structures can be greatly promoted.
Owner:QUFU NORMAL UNIV +1
Control rod guide tube and fuel assembly
ActiveCN103594124AImprove performance dropImprove CHF performanceNuclear energy generationFuel element assembliesEngineeringGuide tube
The invention discloses a control rod guide tube, which is inserted in a spacer grid, the control rod guide tube has a hollow tubular structure, and several flow-disturbing openings through the sidewall of the control rod guide tube are provided with the control rod guide tube. According to the flow-disturbing openings on the sidewall of the control rod guide tube, fully mixing of cryogenic fluid on a cold wall surface and hot fluid on a hot wall surface in a cold wall lattice cell occupied by the control rod guide tube can be realized, fluid on the cold wall surface in the cold wall lattice cell can participate in channel heat exchange, thereby CHF performance of the control rod guide tube can be enhanced. The flow-disturbing opening can adjust the fluid resistance when the control rod drops, further the rod-dropping performance of the control rod under accident can be improved. Correspondingly, the invention also provides a fuel assembly possessing the control rod guide tube.
Owner:CHINA NUCLEAR POWER TECH RES INST CO LTD +1
Multistage deep sea mixture pump with axial force transmission structure
ActiveCN108468645AImprove performance dropImprove cavitation resistanceSpecific fluid pumpsPump componentsImpellerAxial force
The invention discloses a multistage deep sea mixture pump with an axial force transmission structure. The pump comprises a pump case. Two ends of the pump case are fixedly provided with an inlet pumpcover and an outlet pump cover. The other end of the outlet pump cover is fixedly connected with an outlet connecting pipe. The outlet pump cover is coaxially provided with an outlet bearing pedestal. The other end of the inlet pump cover is fixedly connected with an inlet connecting pipe, a bearing box, and a motor. The inlet pump cover is coaxially provided with an inlet bearing pedestal. The bearing box is internally provided with a bearing box shaft. One end of the bearing box, far away from a motor, extends into the inlet connecting pipe. The pump case is internally provided with a pumpshaft. One end of the pump shaft extends into the inlet connecting pipe and is connected with the bearing box by a shaft, and the other end of the pump shaft is in the outlet bearing pedestal. A plurality of stages of static pressure expanders are uniformly sleeved on the pump shaft along an axial direction in sequence. Ends of the pressure expanders, close to the inlet pump cover, are provided with closed impellers which are fixedly coupled with the pump shaft in a cooperated manner. A thrust collar is arranged between a first stage impeller and the inlet bearing pedestal. The pump is high inoperation efficiency under a working condition of high gas content, and the pump is easy to process and install.
Owner:XIAN UNIV OF TECH
Control system of resistive segmented digital-to-analog converter
ActiveCN108023594AGuaranteed continuityImprove performance dropLogic circuits characterised by logic functionDigital-analogue convertorsElectrical resistance and conductanceControl system
The invention relates to a control system of a resistive segmented digital-to-analog converter. An MSB resistor string is divided into three groups, meanwhile, switches corresponding to the three groups of resistors are also divided into three groups, the group most sensitive to changes in the power supply voltage and temperature is controlled by a set of switches, i.e., the first switch group, the first switch group is controlled by a control voltage generated by a control signal bootstrap circuit, meanwhile a logic timing sequence generation circuit is introduced to ensure that the output signal of the digital-to-analog converter is continuous and to improve the performance degradation of the control signal bootstrap circuit due to power leakage at low frequency.
Owner:CSMC TECH FAB2 CO LTD
Flame-retardant plastic woven bag and preparation process thereof
InactiveCN108149340AHigh tensile strengthImprove performance dropFlame-proof filament manufactureBagsMasterbatchPolypropylene
The invention discloses a flame-retardant plastic woven bag. The flame-retardant plastic woven bag is prepared from the raw materials in parts by weight: 70 to 90 parts of polypropylene resin particles, 20 to 25 parts of polytetrafluoroethylene particles, 20 to 25 parts of flame-retardant master batch, 10 to 15 parts of nano calcium carbonate, 4 to 5 parts of dimethicone, 3 to 4 parts of couplingagent, 0.5 to 1 part of antioxidant, and 0.5 to 1 part of nano CrB6H6 clusters. The invention also discloses a preparation process of the plastic woven bag. The preparation process comprises the stepsof mixing, drying, extruding, forming a film, drawing wires, reeling, weaving, forming a bag and the like. The flame-retardant plastic woven bag of the invention adopts the polypropylene resin as a base material to be mixed with the polytetrafluoroethylene and the flame-retardant master batch, so that the plastic woven bag has excellent flame-retardant performance, the flame-retardant performanceconforms to the standard of the coal industry, the plastic woven bag can be widely used for packaging a chemical product, ores, chemical fertilizer, cement and food, and can also store flammable substances and combustibles; and the preparation process of the invention is simple, and by reasonably controlling the parameters such as temperature, time, shrinkage ratio and the like, the woven bag ishigh in tensile strength and good in falling performance.
Owner:安徽唯诗杨信息科技有限公司
A data processing method and device
ActiveCN109947373AImprove performance dropInput/output to record carriersCloud storageLocal memories
The embodiment of the invention provides a data processing method and device. The data processing method comprises the steps that a first type of data in local data is determined, the first type of data comprises cold data and / or accumulated data, and the accumulated data is data with the storage time exceeding the preset duration; and the first type of data is migrated from the local memory to the cloud storage. By uploading the first type of data to the cloud storage, the storage space of the local storage can be saved, the performance of the system can be improved, and the user experience is improved.
Owner:北京大道云行科技有限公司
Polyester composition for extrusion blow molded containers with improved aging and drop performance
ActiveUS20160237240A1Maintain impact resistanceImprove performance dropDomestic articlesContainer handlesGas phaseCopolyester
The present invention relates to a polyester resin for extrusion blow molded containers comprising a branched copolymer and fumed silica to improve the aged drop performance said branched copolyester is made from the reaction of purified terephthalic acid or its dimethyl ester, ethylene glycol, bifunctional diacid other than terephthalic acid, diol other than ethylene glycol, and multifunctional compound having a least 3 carboxyl groups, hydroxyl groups and / or ester forming groups thereof, said fumed silica has a particle size of 0.1 to 5 microns and is present at about 100 ppm to about 2,500 ppm based on the weight of said copolyester.
Owner:AURIGA POLYMERS
Chemically strengthened glass, and preparation method and application thereof
The invention relates to the technical field of glass production, and discloses chemically strengthened glass, and a preparation method and an application thereof. The chemically strengthened glass comprises original glass and an ion exchange layer which is formed on the surface of the original glass and has a depth of D, wherein D is no less than 250 [mu]m and no more than 350 [mu]m; and comparedwith the original glass, the ion exchange layer has a K2O average increment of 0.1 wt% to 0.25 wt%, preferably 0.12 wt% to 0.23 wt%. Compared with the prior art, the chemically strengthened glass provided by the invention has deeper ion exchange layer depth; and the preparation method provided by the invention limits the ion amount of ion exchange by sequentially carrying out lithium-sodium exchange and sodium-potassium exchange, so reduction of glass performance or spontaneous explosion caused by excessive extrusion effect generated by ion exchange is avoided. Compared with the prior art, the chemically strengthened glass provided by the invention has better drop-resistant performance, bending-resistant performance and impact-resistant performance.
Owner:SICHUAN HONGKE INNOVATION TECH CO LTD
Drop discharge apparatus, method for forming pattern and method for manufacturing semiconductor device
InactiveUS8528497B2Improve performance dropHigh-resolution pattern formationLiquid surface applicatorsMovable spraying apparatusEngineeringPosition control
Owner:SEMICON ENERGY LAB CO LTD
Design method of multi-class center classification network model
ActiveCN111242245AImprove performance dropIncrease training speedCharacter and pattern recognitionNeural architecturesData setAlgorithm
The invention discloses a design method of a multi-class center classification network model, and relates to the technical field of deep learning. According to the method, the problem that the model performance is reduced when a CNN + FC + Softmax framework processes classification data sets with high feature diversity is solved; the thought of a Gaussian mixture model is used for reference; the invention provides a method for setting a plurality of clustering centers for each classification. An optimal value selection mechanism is adopted; different pictures with large feature differences inthe same class can be gathered towards a feature center point most suitable for the pictures; by means of the design method, all the center points in the class can be driven to be separated and prevented from being bonded together, the richness trend of class characteristics is increased, meanwhile, the separability and the judgeability of the model are improved, the training speed is increased, the diversity characteristics of all the classes are reserved, and the problem that the performance of the model is reduced is solved.
Owner:浙江芯劢微电子股份有限公司
High-fracture-toughness microcrystalline glass for mobile phone backboard and preparation method of high-fracture-toughness microcrystalline glass
The invention relates to the technical field of glass ceramics, and provides high-fracture-toughness microcrystalline glass for a mobile phone backboard. The glass comprises the following components in percentage by mass: 30-60% of primary crystal phase which is silicalite, 5-10% of secondary crystal phase which is one or two of xonotlite and calcium fluoride, and the balance of glass phase. The glass comprises the following components in percentage by mass: 50 to 63 percent of SiO2, 1 to 5 percent of Al2O3, 15 to 20 percent of CaO, 6 to 12 percent of Na2O, 2 to 6 percent of K2O, 3 to 5 percent of Li2O, 3 to 6 percent of CaF2, 0 to 2 percent of TiO2, 1 to 3 percent of ZrO2, 0 to 3 percent of Y2O3, 3 to 7 percent of B2O3, 0 to 3 percent of P2O5 and 0.1 to 0.5 percent of Sb2O3. According to the technical scheme, the problem that microcrystalline glass in the prior art cannot have fracture toughness and chemical strengthening property at the same time is solved.
Owner:GLASS TECH RES INST OF SHAHE CITY OF HEBEI PROVINCE +1
Porous toning piece and loudspeaker module including same
InactiveCN108337615AImprove performance dropSolve falling and breakingElectrical transducersLoudspeakersPore diameterLoudspeaker
The invention discloses a porous toning piece comprising micropores with the pore diameter of 0.3-2nm and the local peak of 0.4-2nm, mesoporous with the pore diameter of 2-30nm and local peak of 2-12nm, and macropores with the pore diameter of more than 700nm and the local peak of 0.8-500 microns; a silicon-aluminum atomic ratio in the porous toning piece is more than 120. The porous toning pieceprovided by the invention is significantly reduced in F0, and is simple in preparation technology, easy to control related parameter and convenient for industrial production in a large scale.
Owner:周漫辉
Polyethylene for rotational moulding and preparation method thereof
The invention belongs to the technical field of polyethylene processing, and particularly relates to a polyethylene for rotational moulding and a preparation method thereof. The polyethylene is prepared from 100 parts of polyethylene resin, 0.03-0.06 part of polyphenols suffocate hydroxybenzene antioxidant, 0.03-0.06 part of phosphite antioxidant, 0.1-0.3 part of ultraviolet absorbent, 1-5 parts of azodicarbonamide, 0.5-1.5 parts of calcium stearate and 1-3 parts of conductive carbon black. The oil tank made of the polyethylene for rotational moulding has the advantages of being uniform in wall thickness, good in strength, excellent in impact resistance, outstanding in anti-falling performance, and applicable to long term use in unfavorable outdoor environments such as severe coldness, severe hotness, long period shaking and vibration.
Owner:FOSHAN RUIJIAN SPORTS EQUIP CO LTD
Polyester composition for extrusion blow molded containers with improved aging and drop performance
ActiveUS9815964B2Improve performance dropImproving aged drop performanceDomestic articlesContainer handlesGas phaseCopolyester
Owner:AURIGA POLYMERS
Preparation method of POM plastic particles used for automobile fuel tank
The invention discloses a preparation method of POM plastic particles used for an automobile fuel tank, which comprises the following step: adding the components according to mass part in a feed mixer, uniformly mixing to obtain a main material; then adding an auxiliary agent, uniformly mixing to obtain a mixture; adding in a twin-screw extruder, wherein the screw speed is 400-450r / min, after uniformly mixing, performing fusion extrusion to obtain a granular mixture under 260-300 DEG C; and cooling the granular mixture and granulating to obtain the product. The preparation method has the advantages of simple production technology, convenient operation and low cost. The fuel tank product prepared by the plastic particles has the advantages of uniform wall thickness, good intensity, impact resistance and excellent falling performance, and can be used for long-term application under outdoor scurviness environment (severe cold, intense heat of summer and long-term bumpiness shock).
Owner:SUZHOU POLYMER NEW MATERIALS TECH
Built-in type SD (Secure Digital) card falling preventing structure
ActiveCN102570181AInhibit sheddingRaise the rollerCoupling device detailsEngineeringPrinted circuit board
The invention discloses a built-in type SD (Secure Digital) card falling preventing structure, which is arranged on a mobile telephone PCB (Printed Circuit Board), wherein an SD card groove is arranged on the PCB and is used for holding an SD card; a groove is arranged outside the SD card groove opening direction on the PCB; a movable post for abutting the SD card margin is arranged in the groove; a spring for facilitating the moving of the movable post along the vertical direction is sleeved on the movable post; a fixed seat for placing of the spring is arranged in the groove; and a holding cavity for holding the movable post is arranged at the bottom of the fixed seat. According to the invention, the movable post for abutting the SD card margin is arranged on the mobile telephone PCB, thus the falling of the SD card from the SD card groove is effectively prevented, the roller and falling performances of the mobile telephone is improved, and the abnormities that MP3 cannot play, shooting images cannot be saved, 300 kinds of files in the SD card cannot read and the like caused by damage on the reading / writing function of the SD card are prevented.
Owner:HUIZHOU TCL MOBILE COMM CO LTD
Sensing network control layer, sensing network architecture and construction method thereof
InactiveCN108880911AStrong computing powerReduce communication delayData switching networksWireless communicationNetwork controlNetwork architecture
The invention discloses a sensing network control layer, a sensing network architecture and a construction method thereof. The sensing network control layer is arranged in a physical network sensing layer; all nodes of an Internet of Things sensing layer communicate with a physical network gateway through the sensing network control layer; the sensing network control layer comprises: a plurality of control nodes; the control nodes are all screened out from the nodes of the Internet of Things sensing layer; the links between the control nodes are all screened ou from the links of the Internetof Things sensing layer; the screening of the control nodes and the links satisfies the following conditions: the energy of each control node is greater than a set energy threshold; the moving speed of each control node is less than a set speed threshold; the total number of control nodes is less than a set number threshold; non control nodes of the Internet of Things sensing layer communicate with the physical network gateway through the control nodes; and if a link is added to the sensing network control layer, the link is connected, and the two nodes of the link are also in the sensing network control layer.
Owner:SHANDONG UNIV
Low-temperature soldering paste added with anti-falling particles
InactiveCN112935615ASmall particlesStrong impact resistanceWelding/cutting media/materialsSoldering mediaAlloySolder paste
The invention discloses low-temperature soldering paste added with anti-falling particles. The low-temperature soldering paste is characterized in that organic matter particles and / or Mxene materials are added into lead-free soldering paste, so that the falling performance of the low-temperature soldering paste is improved, and the problems of low mechanical property, poor falling performance and the like caused by brittleness of a welding spot formed by the low-temperature Sn-Bi-based soldering paste after welding due to Bi aggregation are solved. On the basis of Sn-Bi soldering paste, the organic matter particles accounting for 2%-6% of the mass of soldering paste are added; the Mxene materials are added according to the amount of 0.2%-0.5% of the mass of the alloy solder; and after backflow, the Mxene materials are dispersed in the welding spot, part of the organic matter particles exist around the welding spot in a residual mode, and the anti-falling performance of the welding spot is improved through the Mxene materials and the organic matter particles in different mechanisms.
Owner:云南锡业集团(控股)有限责任公司研发中心
Battery
PendingCN113383460AImprove performance dropAvoid punctureCell sealing materialsPhysicsElectrical battery
The invention provides a battery. The battery comprises a packaging bag, an electrode assembly, an adapter and a sealing element, wherein the electrode assembly is arranged in the packaging bag. The electrode assembly comprises a first pole piece and a first tab, and the first tab is electrically connected with the first pole piece. The first end of the adapter is connected with the first tab, and the second end of the adapter extends out of the packaging bag. And the sealing element is arranged between the adapter piece and the packaging bag. In the width direction of the battery, the width of the first tab is greater than or equal to that of the sealing element. According to the battery, the size relationship between the first tab and the sealing element is improved, so the sealing element can be effectively prevented from puncturing the pole piece in the falling process of the battery, and the falling performance of the battery is simply and effectively improved while the energy density and the production process of the battery are not influenced.
Owner:NINGDE AMPEREX TECH
Method for making soft magnet silicon aluminium alloy powder core
InactiveCN1229826CGood adhesionImprove toughnessInorganic material magnetismInductances/transformers/magnets manufactureSoft magnetIngot
Owner:ZHEJIANG KEDA MAGNETOELECTRICITY
Electrode assembly, battery and packaging method of separator of electrode assembly
InactiveUS20190165353A1Prevent short-circuitingImprove performance dropCell seperators/membranes/diaphragms/spacersWound/folded electrode electrodesEngineeringBattery cell
The present application provides an electrode assembly comprising a body and a separator extension formed by a separator extending from the body, wherein the separator extension includes a first extension and a second extension, the second extension including a first stack portion and a second stack portion, the second stack portion being folded over onto the first stack portion. The present application further provides a battery and a packaging method of separator of the electrode assembly. The purpose of the present application is to provide an electrode assembly, a battery and a packaging method of electrode assembly separator, which can solve the problem of separator shrinkage during the falling process.
Owner:NINGDE AMPEREX TECH
Flexible Variable Structure Scroll Compressed Air Energy Storage System
ActiveCN103925216BImprove performance dropSolve power fluctuationsRotary/oscillating piston combinations for elastic fluidsCompression machines with non-reversible cycleThermal energyNew energy
Owner:QUFU NORMAL UNIV +1
Control rod guide tube and fuel assembly
ActiveCN103594124BImprove performance dropAvoid the cold wall effectNuclear energy generationFuel element assembliesEngineeringGuide tube
Owner:CHINA NUCLEAR POWER TECH RES INST CO LTD +1
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