89results 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 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 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.

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 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.

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.