91results about How to "Improve initial performance" patented technology

A lithium secondary battery has a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode has a negative electrode current collector and a negative electrode mixture layer containing a negative electrode conductive agent, a negative electrode binder, and negative electrode active material particles made of a material containing silicon. The negative electrode mixture layer is sintered and disposed on the negative electrode current collector. The negative electrode active material particles have an average particle size of from 5.0-15.0 μm before being charged. The negative electrode conductive agent is made of a graphite material having an average particle size of from 2.5-15.0 μm. The amount of the graphite material added is from 3-20 mass % with respect to the negative electrode active material. The theoretical electrical capacity ratio of the positive electrode to the negative electrode is 1.0 or less.

The invention relates to a transparent covering material for solar greenhouse in winter and for plastic greenhouse in early spring, in particular to a polyvinyl chloride antifogging dripless greenhouse film which can prevent from fogging in the greenhouse and enables the water drops in the condensed in the internal surface of the greenhouse film to wet and spread quickly. The polyvinyl chloride antifogging dripless greenhouse film adopts polyvinyl chloride resin as the base, adding plasticizer, heat stabilizer, ultraviolet absorbent, compound dripless agent and organosilicon antifogging agent into the polyvinyl chloride resin, and being prepared through calendering, stentering and other production process steps. The transparent covering material for solar greenhouse in winter and for plastic greenhouse in early spring has the advantages of good dripless antifogging effect, improvement of light transmittance for greenhouse film, incensement of light intensity, beneficial photosynthesis for crops, beneficial improvement of greenhouse temperature, acceleration of crops growth, and reduction of disease occurrence.

An electric double layer capacitor suppresses gas generation by decomposition of the electrolyte solution in the capacitor and has a superior performance maintaining ratio. In the electric double layer capacitor including activated carbon polarized electrodes and nonaqueous electrolyte solution, an antacid agent consisting of alkali metal salt of an organic acid is contained in the capacitor.

The invention discloses a multielement resin base carbon compound disc-type braking pad and a preparation method thereof. The braking pad is obtained by carrying out mould pressing and forming once on the following raw materials: unmodified phenolic resin, organosilicone modified phenolic resin, polyacrylate modified phenolic resin, polyacrylonitrile carbon fiber, artificial granular graphite, natural crystalline flake graphite, granular coke, silicon carbide, aramid pulp, compound mineral fiber, steel fiber, red copper powder, ferrous sulfide and barium sulfate. The product disclosed by the invention has the advantages of high temperature resistance, ablation resistance, small heat expansion coefficient, high specific strength, high specific modulus, good abrasion resistance, low noise, excellent initial performance, short breaking-in period, small heat fade, long service life, excellent pedal comfort degree, excellent high temperature and high speed performance and stable abrasion grade under different braking conditions, the effect on considering the good abrasion resistance and low noise is achieved, no dust is generated during braking, and various materials are all environment-friendly environment-protection materials. The multielement resin base carbon compound disc-type braking pad also has the function of automatically cleaning the braking disc.

The invention discloses a composite component of meridian tyre cord fabric layer and air barrier and a preparation technology. Base material rubber, an aging-proof system, a reinforcing system, a vulcanization system and a radiosensitizer are mixed at a ratio to form a mixture; the rubber mixture is mixed to smelt in an internal mixer to be prepared into a tyre body cord fabric layer component and a lining air barrier component respectively according to the production technology of the tyre body cord fabric layer and the lining air barrier component; then the tyre body cord fabric layer component and the lining air barrier component are compounded into an integral composite component on a compound machine; an electron accelcrator is used for radiating the composite component; under the condition of limited-oxygen radiation, radiation prevulcanization is carried on the composite component of the tyre cord fabric layer and the lining air barrier. The composite component of the tyre cord fabric layer and the air barrier, which is radiated by the invention, has high Green strength, stable structure size and performance, saves raw material, has small radiation dose and high production efficiency and is favourable for environment protection.

The invention discloses an eye fundus image quality evaluation method based on a human vision system, which comprises the following steps: selecting a part of eye fundus images in a data set as original data samples, preprocessing the original data samples, removing a background part, and extracting an interested region part; calculating a saliency map of the fundus image; training the convolutional neural network by using the fine-tuning deep neural network, and migrating network parameters of the natural image to the training of the medical image network; extracting features of the fundus image and saliency features in the saliency map, and carrying out feature fusion; and constructing a feature matrix of the sample for the fused features, training a support vector machine classifier byutilizing the feature matrix, and classifying the quality of the fundus image. Supervision information based on a convolutional neural network and non-supervision information based on a saliency map are fused, a fusion information training classifier is utilized to classify the image quality, and a transfer learning principle is utilized to improve the performance of the image quality classification by using a method of finely adjusting the deep convolutional neural network.

The invention relates to a water treatment technology of rivers, lakes and landscapes, in particular to a comprehensive treatment method of water eutrophication by anti-algae insects, which solves the problem of algae pollution of landscape water. The method comprises the following steps: selecting the anti-algae insects and then placing in water for raising; taking a sewage sample from a water area to be treated; throwing the anti-algae insects which grow stably into the sewage sample, adaptively screening, and then throwing the selected anti-algae insects into the water according to the standard that the first throwing quantity in the transformed water is not less than 1*105-2*105 / m<3>; according to the effect of eliminating algae in the water, throwing the anti-algae insects for the second time; after the water is improved, implanting submerged plants into the water; and after the submerged plants grow and reproduce, throwing a certain amount of aquatic organisms such as fish, shrimp and the like into the water to form a complete underwater ecosystem. The method of the invention hits the key technical point of water treatment by the anti-algae insects, thus achieving good initial effect and faster effect and speed of removing the algae; and the transparency of the water is rapidly improved, which is beneficial to growth of waterweeds.

The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material, useful in manufacturing high-capacitance capacitors and which has an electrolytic solution containing chain carbonate and / or cyclic carbonate. Even if the electric double layer capacitor is used under high-temperature and high-voltage conditions, chain carbonate and / or cyclic carbonate is prevented from being degraded and the amount of generated gas is slight. The electric double layer capacitor has high initial performance and energy density and the performance of the electric double layer capacitor is maintained high. The electrolytic solution contains a quaternary ammonium salt except for a quaternary ammonium salt containing a carbon atom being bonded to the quaternary nitrogen atom and being bonded to other nitrogen atom than the quaternary nitrogen atom, chain carbonate and / or cyclic carbonate, and a solvent containing a carboxylic ester which contains five or more carbon atoms and which has two or more carboxylic ester bonds.

The invention relates to a lead-acid battery formation method which is used for solving the problems that the temperature reduction effect of electrolyte is unsatisfactory and the production efficiency is affected. The technical scheme is characterized in that the lead-acid battery formation method comprises the steps of battery assembly, electrolyte filling and power supply formation, after the improvement, the dilute sulfuric acid electrolyte with the density of 1.200-1.300g / cm<3> prepared at the temperature of 25 DEG C is firstly cooled to the temperature of 5-20 DEG C during the step of electrolyte filling, and then the cooled dilute sulfuric acid is used for quantitative acid filling. The lead-acid battery formation method can ensure that the reaction temperature of a green plate andthe dilute sulfuric acid electrolyte is lower than the temperature of 50 DEG C during the acid filling of a semi-finished battery and effectively prevent active substances from shedding off due to high temperature. Compared with the traditional formation method, the content of the active substances of the plate is higher by above 5%, the initial capacity is higher by above 10%, and the low-temperature starting time is prolonged by 5-30s.

An electric double layer capacitor has high static capacitance, and superior durability, and the amount of gas generated by dissociating solvent can be reduced. In an electric double layer capacitor including an anode and a cathode containing active carbon, a separator, and nonaqueous electrolyte solution, the crystallite thickness Lc(002) of the d002 plane of the active carbon used for the anode is set to be larger than the crystallite thickness Lc(002) of the d002 plane of the active carbon used for the cathode.

The invention provides an anti-antipolar anode catalyst for a proton exchange membrane fuel cell, the anti-antipolar anode catalyst takes a PtIr alloy as an active component and takes a carbon nanotube as a carrier, and the molar ratio of Pt to Ir is (6-1): 1; when the anode catalyst provided by the invention is used for the anode catalyst layer of the fuel cell, an anti-reverse pole additive does not need to be additionally added, agglomeration caused by direct addition of iridium oxide or iridium is avoided, good performance can be maintained after frequent reverse pole of the fuel cell occurs, and the reverse pole tolerance performance of a membrane electrode is remarkably improved.

The invention provides a rubber based granular material and a preparation method thereof, and more specifically relates to the technical field of automobile components. The total mass of raw material components of the rubber based granular material is used as a reference for calculation, and the rubber based granular material comprises the following raw material components in percentages by mass: 7-12% of butyronitrile rubber, 2-5% of styrene butadiene rubber, 3-7% of carbon black, 1-4% of sulphur, 1-3% of a vulcanization accelerator, and 70-85% of a multielement heat-conducting composite powder. The rubber based granular material can replace brass fiber in a friction material in equal proportion, and friction performance and abrasiveness of the prepared friction material are nearly not changed; at the same time, compared with the brass fiber, the noise reduction performance of the rubber based granular material is better, comfort level of a pedal in a braking process is greatly improved, initial performance is excellent when the addition amount is small, and running-in period is shortened; the rubber based granular material has the advantages of cleaning, and environmental protection without pollution.

The invention discloses an efficient cadmium telluride thin-film solar cell and a preparation method thereof. The efficient cadmium telluride thin-film solar cell comprises a substrate layer, a windowlayer, a light absorption layer and a back electrode layer which are sequentially arranged from bottom to top, wherein the window layer is made of magnesium-doped zinc oxide, the light absorption layer is an arsenic-tellurium-selenium-cadmium-doped thin film layer, and the back electrode layer is made of a composite metal material of molybdenum, aluminum and chromium. According to the present invention, the tellurium-selenium-cadmium thin film layer is doped with a proper amount of As instead of Cu in an electric injection regeneration manner, so that the high p-type doping density is realized, Vocs is greater than 1V, the conversion efficiency is greater than 23%, the conversion efficiency is high, and the whole preparation process is simple to operate and easy to control.

An object of the present invention is to provide a fuel cell electrode catalyst which offers an improved durability while inhibiting the degradation of an initial catalytic activity to exhibit a stably high catalytic activity over a long period. The present invention provides a fuell cell electrode catalyst having an alloy carried by carbon, the alloy consisting of platinum and a platinum-family metal other tha platinum, characterized in that a composition ratio of platinum to platinum-family metal other than platinum to carbon is 1:(0.03 to 1.5):(0.46 to 2.2) (wt ratio).

The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.

The production process of superposed composite lining plate of cold rolled high manganese steel strip includes hot rolling high manganese steel billet into high manganese steel strip, water toughening treatment, cold rolling to produce cold rolled high manganese steel strip, making frame for the lining plate, and laminating cold rolled high manganese steel sheets inside the frame to form integral composite lining plate. The composite lining plate may be used in replacing traditional cast lining plate and has the original structure of high manganese steel maintained and raised initial hardness, strength and wear resistance.

The invention relates to the field of valve-regulated lead acid battery, more particularly to a valve-regulated lead acid battery electrolyte, differences thereof comprise that: components thereof comprise 14 parts of sulfuric acid and 0.5-3 parts of silica sol based on weight ratio, wherein, the sulfuric acid has the concentration of 30%-40%(Wt), the silica sol has the content of silicon dioxide of 10%-35%(Wt). A manufacturing method of the valve-regulated lead acid battery electrolyte comprises in sequence: the first step of: using deionized water and analytic reagent concentrated sulfuric acid to formulate sulfuric acid solution having the concentration of 30%-40%(Wt); the second step of: adding 0.5-3 parts of silica sol having the content of silicon dioxide of 10%-35%(Wt) into the well-formulated sulfuric acid solution, and after premixing, introducing the sulfuric acid solution into the valve-regulated lead acid battery. The valve-regulated lead acid battery to which the inventive valve-regulated lead acid battery electrolyte is applied has outstanding performances.

The invention relates to a preparing method of an organic-inorganic compound microfiltration membrane, and belongs to the technical field of microfiltration membranes. According to the preparing method, the organic-inorganic compound microfiltration membrane is prepared from bisphenol-A-type polysulfone resin, oxidized nano-cellulose and nano-titania. The vitrification temperature of the bisphenol-A-type polysulfone resin is 190 DEG C, and a porous membrane prepared from the bisphenol-A-type polysulfone resin can be used for a long period in an environment of 80 DEG C; modification treatment of cellulose mainly involves the steps of carrying out esterification, etherification, halogenation and oxidation reactions by utilizing three hydroxyl groups on each glucosyl group ring in a cellulosemolecule, meanwhile, grafting copolymerization and cross-linking reactions can also be carried out, and thus the adsorptivity of the cellulose is improved. The microfiltration membrane prepared by compounding the oxidized cellulose, the nano-titania and the polysulfone resin has good adsorptivity and high-temperature resistance.

The invention provides a traffic signal lamp regulation and control method and device and a computer readable storage medium. The method comprises the steps of acquiring training samples according tohistorical control data, wherein each training sample comprises historical signal lamp timing, historical traffic measurement and historical traffic indexes; training according to the training samplesto obtain a mapping function; acquiring actual traffic measurement and actual traffic indexes; and according to the mapping function, the actual traffic measurement and the actual traffic indexes, calculating to obtain the timing of the signal lamp to be output. According to the invention, the problems of poor performance of a signal lamp control system and poor final performance of the signal lamp control system caused by errors of the traffic model in the initial interactive training process of the existing signal lamp timing scheme can be effectively avoided. The initial performance and the final performance of the signal lamp control system are improved.

An electrolyte composition includes an ionic liquid and a solvent, wherein the solvent contains a material made of at least one of sulfolane and derivatives thereof, and a content of the material is 5 to 40 mass % of the total content of the electrolyte composition.

The invention discloses a method for writing assembly codes. Firstly, by selecting an instruction or an instruction set with the minimum instruction time consumption from alternative instructions, thefunction which needs to be implemented by a program can be achieved with the minimum consumption of CPU cycles; then according to a preset instruction scheduling rule, the target instruction is rearranged so that normal execution of each instruction pipeline can be ensured, and the calculation speed is increased; finally, vectorization is performed on statements without data dependency in the program so that the instruction execution speed can be further increased; at least four pieces of consecutive data are read at a time when the program performs memory access so that the cache hit rate can be increased, and the calculation speed is further increased. According to the provided method for writing the assembly codes, source codes with good initial performance can be obtained, so that theprogram has good performance before being optimized, correspondingly the calculation speed is increased, and the calculation time is shortened. In addition, the invention also discloses a device andsystem for writing the assembly codes and a computer readable storage medium, and the device, the system and the computer readable storage medium all have the effects above.

The invention provides a vehicle smears used for fixing the vehicle smears of modified organosilicone on a coating surface of the vehicle, preventing the modified organosilicone from periodically dropping from the coating surface, and used for protecting the coating surface. The vehicle smears for protecting the coating surface comprises organosilane alkoxy oligomer, solidified catalyst, silicone oil with molecular having a methyl alcohol modified perssad on any end portion, silane coupling agent and solvent, and a solidified envelope is formed under normal temperature.

A measure for exploiting a reinforcing plate, which is made of a rigid material such as a metal or a hard resin for affording a shape retention to a rubber keypad in a key unit, not only for the shape retention but also as the functional design factor of a mobile device itself. A key unit with a casing is made such that a keypad has an operating portion formed of a rubbery elastic member and the remaining portion either formed of a rigid reinforcing plate or reinforced with the reinforcing plate. The key unit is characterized in that at least a portion of the casing of the mobile device, on which the key unit is mounted, is formed integrallywith the key unit having the reinforcing plate.

The invention provides a peony sample manufacturing method, and belongs to sample manufacturing. The manufacturing method includes the steps: firstly, collecting: selecting and collecting early blossom peony flowers, and placing the flower in a preservation container; secondly, treating: enabling peony flowers to be kept in dark place, and enabling stems to be inserted into water to soak; thirdly,drying: cutting the stems until the height is 1-2 cm, placing the flower into a drying container with the bottom laid by drying agents, adding the drying agents into the drying container, sealing thedrying container, and naturally drying the flows for 4-5 days; fourthly, storage: opening the drying container, pouring out the drying agents, taking out the peony flowers, placing the taken peony flowers into a glass container to be sealed, dryly storing the flower to obtain dry flowers; fifthly, shaping: fixing old branches onto the inner base of the glass container, fixing selected dry leavesand dry flower on the old branches, and hermetically storing the flowers. According to the characteristics of more and uneven petals of the peony flowers, the peony flowers are soaked and then dried,so that original freshness and integrity of the peony petals are kept, and original natural states of the peony petals are stored.

A method for producing a protective-layer-covered gas separation membrane includes forming a gas separation membrane having a resin layer containing a compound having a siloxane bond and satisfying a particular condition by surface oxidation treatment of a resin layer precursor containing a siloxane bond; and providing a protective layer on the resin layer before winding. A protective-layer-covered gas separation membrane is produced by the method for producing a protective-layer-covered gas separation membrane. A gas separation membrane module and a gas separation apparatus are produced by the method for producing a protective-layer-covered gas separation membrane.

The invention discloses a heat pump system for humidity removing and drying. The system is used for providing hot air required by drying of a drying room. The system comprises an arranged primary hotair system, the primary hot air system outputs basic hot air through an air supplying heating condenser arranged in the system, and the basic hot air is conveyed to the drying room through an air supplying draught fan arranged in the primary hot air system; hot air exhausted from an air outlet of the drying room is filtered by a first primary filter arranged in the primary hot air system and conveyed to an air inlet of an air-returning evaporator arranged in the primary hot air system through a pipeline and an air inlet of an air supplying heating condenser through an air outlet pipeline of anair-returning evaporator, and first weighting for basic hot air is formed after primary humidity removing. Air-returning humidity removing, heating for new air, overheating of a compressor in air sucking process and transferring of outside free heat the drying room are achieved to meet the requirements of variable working conditions of high-low temperature and high-low humidity in the drying room.