203results about How to "Optimizing components" patented technology

A high-strength cast RE-contained Mg-alloy contains Nd (2.5-3.6 Wt%), Zr (0.35-0.8), Zn (0-0.4), Ca (0-0.5), impurities (0-0.02) and Mg (rest). It is prepared through smelting Mg, adding Nd, Zr and Ca in Mg-Nd, Mg-Zr and Mg-Ca alloy mode, adding Zn, solution treating at 525-540 deg.C for 4-12 hr, quenching in water and ageing at 200 deg.C for 12-20 hr. It has high strength, hardness and high-temp creep performance.

The invention discloses a light-weight and high-strength cast aluminum lithium alloy and a preparation method thereof. The alloy consists of Li, Cu, Mg, Zn, Zr, Ti, Mn, Ce and impurity elements in specific percentages by weight as well as the balance of Al. During preparation, an aluminum alloy is obtained by smelting Al-Li, Al-Cu, Al-Zr, Al-Ti-B, Al-Mn, Al-Ce intermediate alloy, pure aluminum, pure Zn and Pure Mg, and then is subjected to two-stage solid solution heat treatment of 400-450 DEG C/8-10h and 510-540 DEG C/20-28h, and one-stage aging treatment of (120-190) DEG C* (30-48) h is carried out after hardening treatment to obtain the light-weight and high-strength cast aluminum lithium alloy. The mechanical properties such as room temperature strength, hardness, rigidity and breaking tenacity of the prepared aluminum lithium alloy are superior to those of a traditional business aluminum alloy, and the aluminum lithium alloy is also low in cost.

Disclosed herein is a polyamide-imide copolymer film, comprising a copolymer resin in which a unit structure derived from TFDB (2,2′-bistrifluoromethyl-4,4′-biphenyl diamine), a unit structure derived from 6FDA (4,4′-(hexa-fluoroisopropylidene)diphthalic anhydride), a unit structure derived from BPDA (3,3′,4,4′-biphenyltetracarboxylic dianhydride) and a unit structure derived from TPC (terephthaloyl chloride or 1,4-benzenedicarbonyl chloride) are copolymerized, wherein the copolymer resin has a weight average molecular weight of 10,000˜400,000.

The invention provides a low-temperature lithium iron phosphate lithium-ion power battery. The low-temperature lithium iron phosphate lithium-ion power battery comprises a positive plate, a negative plate, a membrane, electrolyte, a shell, a cover plate and a post terminal, wherein positive materials in the positive plate comprise a positive active material, a binding agent and a conductive agent, the positive active material is lithium iron phosphate which is subjected to nanocrystallization and is coated with a discontinuous graphene structure, the median diameter of the nanocrystallization lithium iron phosphate is 5-10nm, the graphene is 3-8 layers of multilayer graphene, and the coating area accounts for 40%-70% of the total surface area of the lithium iron phosphate material. The low-temperature lithium iron phosphate lithium-ion power battery has the advantages that the problem that the lithium iron phosphate lithium-ion power battery has poor low-temperature property is solved, the low-temperature lithium iron phosphate lithium-ion power battery has relatively excellent low-temperature property under the condition that other performance indexes are not lowered, the application range of the lithium iron phosphate lithium-ion power battery is greatly expanded, and the lithium iron phosphate lithium-ion power battery facilitates the popularization of electric cars in low-temperature areas and the normal use of the electric cars in cold winter.

The invention discloses a catalyst continuous regeneration low-octane gasoline upgrading method. The low-octane gasoline raw material and the light hydrocarbon raw material are mixed, then enter into a gasoline upgrading reactor, contact and react with the upgrading catalyst in the reactor, the reactant is separated to obtain dry gas, liquefied gas and upgrading gasoline products; the deactivated catalyst in the reaction system is lifted and conveyed to a regeneration system, contacts with the regeneration gas to be burned in a regenerator, the burned regeneration catalyst is lifted and conveyed to the reaction system. The method greatly improves the octane value of the gasoline, and the olefin content in the upgrading gasoline is very low; the continuous regeneration of the deactivated catalyst ensures that the activity and the selectivity of the catalyst in the reactor are both maintained at higher levels; compared with the conventional reactor switching regeneration way, the dry gas yield of the upgrading reaction is obviously decreased, the upgrading gasoline and the liquefied gas as the target products are obviously improved.

Data processing devices arranged in a redundant manner, with each of the devices including a thermal sensor measuring its operating temperature, are allocated so that data is processed by the coolest available device. In one form of the invention, the same data is stored in two data storage devices to be retrieved from the device having a cooler operating temperature. When the data is to be stored, it may further be stored in the coolest one of a number of storage devices. In other forms of the invention, the data processing devices are, for example, adapter circuits or computer systems accessed by a server.

The invention discloses a method for separating and culturing primary chicken hepatocytes. According to the method, EGTA (Ethylene Glycol Tetraacetic Acid) with low hepatotoxicity is added into a perfusate A to loosen the junction between hepatocytes, so that the dispersion degree of the to-be-separated hepatocytes is increased; double resistance is added into the perfusate A, a perfusate B and D-Hanks flushing fluid, so that the pollution is further prevented; and circulating perfusion digestion is adopted during digestion perfusion, so that the perfusion cost is greatly reduced. A serum-free cultural method of the chicken hepatocytes is established; compared with a traditional serum cultural method, the method disclosed by the invention has the same effect on the aspects of cell quantity, activity, function and the like, so that the problems caused by the existence of serum are solved and a foundation is laid for the substance metabolism study and biological product preparation on the basis of the chicken hepatocyte culture.

The invention relates to a rubber composite material and particularly relates to a light anti-slipping high-wear-resistance rubber material for a sole and a preparation method thereof. The light anti-slipping high-wear-resistance rubber material for the sole is prepared from the following raw materials in parts by weight: 55-75 parts of EVA (Ethylene Vinyl Acetate), 8-25 parts of NR (Natural Rubber), 8-25 parts of SBR (Styrene Butadiene Rubber), 2-6 parts of CaCO3, 2-6 parts of wear-resisting agent, 1-5 parts of ZnO, 1-5 parts of ZnST, 0.5-2.5 parts of ST, 0.5-1.5 parts of DCP (Dibasic Calcium Phosphate) and 1.2-2.5 parts of AC (Azodicarbonamide). Compared with the prior art, the components and the ratios of all raw materials are optimized and the light anti-slipping high-wear-resistance rubber material has the advantages of light weight, anti-slipping performance and wear resistance under the synergistic effect of the components with the ratios. The light anti-slipping high-wear-resistance rubber material is particularly suitable for manufacturing a light and anti-slipping sneaker sole.

The invention discloses a high-strength martensite PH stainless steel material, and belongs to the field of martensite stainless steel materials. The high-strength martensite PH stainless steel material is prepared from, by weight, 0.05% of C or less, 12.25%-13.25% of Cr, 7.50%-8.50% of Ni, 2.00%-2.50% of Mo, 0.90%-1.35% of Al and the balance Fe. The invention further discloses a preparation method of the stainless steel material. The components of the material are improved and simpler, a proper amount of Cr, Ni, Mo and Al is added, the novel preparation method is adopted, indoor temperature performance:tensile strength Rm is larger than or equal to 1,560 Mpa, and the yield strength Rp0.2 is larger than or equal to 1,460 Mpa; the transverse tensile elongation A is larger than or equal to 10.0%, the percentage reduction Z of area is larger than or equal to 45.0%, and the impulse test Aku is larger than or equal to 39 J; the longitudinal tensile elongation A is larger than or equal to 10.0%, the percentage reduction Z of area is larger than or equal to 35.0%, and the impulse test Aku is larger than or equal to 23 J; the performance of the martensite PH stainless steel material is obviously improved, and the needs of aerospace materials are met.

Internal dimensions for fixed-type constant velocity universal joints are defined to optimize the geometry of the components of the joints and to readily achieve a larger operating angle of the joints. In the joint, the track grooves of an outer ring and an inner ring are tapered by an angle not exceeding 12°. The ratio (f/PCR) of the cage offset amount f to PCR is greater than 0 and smaller than or equal to 0.12. The ratio (Do/d) of the cage outer diameter (Do) to the ball diameter (d), the ratio (t/d) of the cage wall thickness (t) to the ball diameter (d), and the ratio (w/d) of the cage width (w) to the ball diameter (d) are such that 3.9≦Do/d≦4.1, 0.31≦t/d≦0.34, and 1.8≦w/d≦2.0, respectively. The end of the spherical outer surface of the cage adjacent to the open end is axially extended, and the end of the spherical inner surface of the cage adjacent to the open end is tapered so that the tapered surface has an increasing diameter toward the end of the spherical outer surface adjacent to the open end. Part of the spherical outer surface of the cage is cut on the open end side of pockets, and the outer diameter of the cage across the two opposing planer cut faces is smaller than the spigot diameter of the outer ring.

The invention provides a high-strength and high-modulus casting Mg-RE alloy and a preparation method thereof. The Mg-RE alloy comprises 2-4wt% of Nd, 1-3wt% of Li, 0.2-0.6wt% of Zn, 2-4wt% of Al, the balance of Mg and inevitable impurities, wherein the total content of Si, Fe, Cu and Ni in the impurities is smaller than 0.02wt%. The preparation method of the Mg-RE alloy includes the sequential steps of vacuum melting and heat treatment. Compared with the prior art, the preparation method has the advantages that the components of the alloy and the heat treatment process are optimized, the optimized alloy component proportion of the alloy is obtained by studying different component proportions of the alloy elements of Nd, Zn, Li and Al, and therefore compared with an existing alloy, the alloy has the better overall performance of room-temperature strength and elasticity modulus under the component proportion and the heat treatment process.

A lubrication system comprising a motor, a positive displacement pump driven by the motor, a lubricant container in fluid communication with the positive displacement pump and at least one lubricant outlet in fluid communication with the lubricant container. The positive displacement pump is arranged to carry out at least one discharge stroke to dispense lubricant from the at least one lubricant outlet when the lubrication system is in use. The lubrication system also comprises a control unit that is arranged to determine an amount of lubricant that is dispensed from the lubricant container via the at least one lubricant outlet when the lubrication system is in use. The control unit is arranged to monitor current supplied to the motor to obtain a motor current signal, and to determine a number of the discharge strokes from the motor current signal.

The invention provides a tube seedling slow growth conservation method for anoectochilus roxburghii germplasm. The method comprises the following steps: S1, material drawing and sterilization of explants; S2, inoculation and induction; S3, subculture multiplication; S4, low-temperature stress treatment of tube seedlings; S5, slow growth conservation of the tube seedlings; S6, rejuvenation of the tube seedlings; S7, rooting of the tube seedlings; S8, transplantation. The method effectively slows the growth speed of the tube seedlings by changing microenvironment conditions for the growth of germplasm materials, prolongs the subculture cycle, ensures that the germplasm preservation time reaches 3 to 4 years, is stable in inheritable character, high in germplasm survival rate and obvious in rejuvenation effect, and has important significance on further protection of the anoectochilus roxburghii resource and research, development and utilization of anoectochilus roxburghii.

The invention relates to the field of plant protection, and specifically relates to a bactrocera dorsalis large-scale feeding method. The method comprises the following steps: adults are fed, wherein a modified artificial feed comprises yeast paste and sucrose with a mass ratio of 1:8; eggs are collected; larva are fed, wherein the larva are fed by using an artificial feed in which a mass ratio of corn flour to yeast powder is 19:7; and pupa are managed. The method has the advantages of high egg production amount, high egg hatching rate, high pupation rate and high eclosion rate.

The invention discloses a resource utilization method of agricultural organic waste. The method comprises the steps that iron oxide is added into the agricultural organic waste, anaerobic dry fermentation is conducted to generate biogas, and residues are subjected to water washing and then separated into biogas slurry and biogas residues; the biogas slurry serves as a culture solution to culture saccharomyces cerevisiae, and inoculation fluid is obtained; the biogas residues are converted into dissolved sugar through cellulase and separated into solid residues and a sugar solution; the inoculation fluid and the sugar solution are mixed and fermented, the solid residues in a product are used for serving as raw materials for anaerobic dry fermentation, liquid is subjected to distillation, and ethyl alcohol is obtained; the solid residues are used for producing lignin. Accordingly, the organic waste can be efficiently converted into three products of methane, ethyl alcohol and lignin, the efficient utilization of resources and additional value promotion are achieved, the technology greening and cleanliness levels are high, and no waste discharge exists in the whole technology.

The invention belongs to the technical field of refractory materials, and provides a zirconia fiber board and a preparation method. The zirconia fiber board comprises raw materials as follows: zirconia fibers with diameters ranging from 3 mu m to 5 mu m, hollow zirconia spheres with the granularity larger than 0.045 mm and smaller than or equal to 0.075 mm, zirconia composite micro-powder with the granularity smaller than or equal to 0.003 mm as well as a stabilizer; the zirconia fiber board further comprises small organic matter spheres with the granularity larger than 0.045 mm and smaller than or equal to 0.075 mm, organic matter micro-powder with the granularity smaller than or equal to 0.045 mm as well as a binding agent, wherein the zirconia fibers and the hollow zirconia spheres are used as base bodies; the hollow zirconia spheres and the small organic matter spheres are constructed into a three-dimensional framework structure in a zirconia fiber board green body; the zirconia composite micro-powder is used as a matrix. According to the zirconia fiber board and the preparation method, problems that zirconia fiber boards prepared with a wet method are low in strength, severe to pulverize at high temperatures and short in service life when used as thermal interface materials are solved, the cost is reduced, the efficiency is increased, the energy is saved, and the consumption is reduced.

A new and innovative, rugged lighting system is provided. The problem of achieving a lighting system that optimizes ruggedness, luminosity, energy and thermal efficiency, versatility, and unbundling of key components is solved. Embodiments of the present invention include a rugged lighting system comprising a housing unit with a body with integrally formed back, sides, and a front with an opening to provide access to the interior of the housing unit; a first lens configured to substantially cover the opening; a first lens bezel configured to removeably attach to the housing unit over the first lens; a second lens configured for placement over the first lens; and a second lens bezel configured to removeably attach to the housing unit over the first lens bezel. Various embodiments further include a light module within the housing unit with a light emitting diode (LED) mounted to an electronics module having a printed circuit board for operating the LED.

The present invention provides methods and apparatus combining a pressure vessel and a centrifugal pump to accurately and efficiently control pressure and flow rate of liquid in a liquid dispense system. The present invention particularly relates to the accurate and efficient control of pressure and flow rate of liquids, such as high purity chemicals or slurries used in semiconductor manufacturing processes.

The invention discloses a processing method and a device of composite textured yarn, the device comprises a rack, a heating deformation mechanism arranged on the rack, a yarn guide mechanism arranged on one side of the rack, a yarn coiling mechanism arranged on the other side of the rack, wherein the heating deformation mechanism comprises a driving wheel and a matched yarn pressing wheel, the driving wheel and the yarn pressing wheel are arranged at the left and the right, the yarn pressing wheel is higher than the driving wheel, the connecting line of shaft centers forms an included angle of 20-40 degrees with the horizontal line, and heating devices are arranged on two sides of the driving wheel; the wire guide mechanism comprises a detwisting bobbin creel, a cocoon cooking pot and a tensioner; the yarn coiling mechanism comprises a yarn holding tool, a winding motor connected with the yarn holding tool and a speed regulator; and a special-shaped yarn guide wheel, a yarn storage device and a yarn guide device are sequentially arranged between the heating deformation mechanism and the yarn coiling mechanism. The processing method and the device can carry out composite deformation processing on the yarn with different components, completely realize the winding without tension, realize the continuous production of the composite textured yarn and keep the deformation effect.