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525results about How to "Improve overall performance" patented technology

Text fine granularity sentiment analysis method and text fine granularity sentiment analysis device

The invention discloses a text fine granularity sentiment analysis method. The text fine granularity sentiment analysis method includes the steps: performing sentiment word orientation intensity quantitative calculation; performing combined recognition of evaluation object attributes and sentiment expression elements thereof; and performing fine granularity attribute classification and sentiment calculation. The invention further discloses a text fine granularity sentiment analysis device which comprises a comment data acquiring and preprocessing module, a data processing module, a data analysis module and an information display module. The text fine granularity sentiment analysis method adopting the three steps has the advantages that accuracy rate is increased by nearly 30% by the aid of the sentiment word orientation intensity quantitative calculation step; the step of combined recognition of the evaluation object attributes and the sentiment expression elements thereof aims at the specific sentiment analysis application fields, and combined recognition accuracy rate is above 80%; and integral performance of sentiment calculation can be increased above 2.5% by the step of fine granularity attribute classification and sentiment calculation.
Owner:杭州脑壳顶科技有限公司

Modified composite material containing silicon-based material, preparation method thereof and use thereof in lithium ion battery

The invention discloses a modified composite material containing a silicon base material, which comprises a silicon base core and a polymer cladding layer covering the surface of the core, and a preparation method and use thereof in a lithium ion battery. The method comprises the steps of : 1) adding a polymer into a liquid solvent and dispersing to obtain a slurry; 2) adding a silicon-based material or a mixture of that silicon-based material and the carbon material into the slurry and mixing the solid and liquid; 3) removing the solvent to obtain a modified composite material containing a silicon-based material. As the polymer coat layer is introduced on the surface of the silicon base core, so that the electrolyte can be isolated and the side reaction of the electrolyte on the surface of the silicon base core can be prevented; the method can also improve the crushing, electrode pulverization and peeling of the silicon-based negative electrode material in the process of processing and using, and reduce the electrode crushing and peeling caused by the huge volume expansion of the silicon-based material in the process of charging and discharging, so as to achieve the purpose of stabilizing the electrode structure and improving the cell cycle performance.
Owner:JIANGSU TAFEL NEW ENERGY TECH CO LTD +2

Super-hydrophobic conformal coating, and preparation method and application method thereof

The invention discloses a super-hydrophobic conformal coating, and a preparation method and an application method thereof. The super-hydrophobic conformal coating is composed of, by mass, 5 to 40% of fluorocarbon resin, 10 to 30% of fluorosilicon resin, 20 to 60% of an organic solvent, 10 to 30% of silica, 1 to 10% of titanium dioxide, 1 to 10% of polytetrafluoroethylene, 0.1 to 0.5% of a catalyst, and 1 to 5% of a curing agent. According to the preparation method, the ingredients are subjected to stirring mixing and ultrasonic uniform dispersion in sequence at a certain ratio. According to the application method, the super-hydrophobic conformal coating is subjected to direct spraying or brush coating onto the surfaces of insulators and outdoor electric power facilities; the thickness of obtained coating layers is controlled to be 0.1 to 0.5mm preferably; and 20 to 60min of normal temperature curing is needed. The preparation method is simple; the cost is low; the super-hydrophobic conformal coating is convenient to use, possesses extremely high hydrophobicity and weatherability, is capable of realizing self cleaning, is a nanometer composite hybrid normal-temperature cured fluorocarbon coating, is capable of realizing stain prevention, pollution flashover prevention, and corrosion prevention of insulators and outdoor electric power facilities effectively, and is promising in application prospect.
Owner:昆明理工大电力工程技术有限公司

Smelting method of steel for hypoxia axle

The invention relates to a smelting method of steel for a hypoxia axle, which comprises the following steps that: I. smelting by using an electric furnace: scrap steel and pre-treated hot metal are added into the electric furnace, the oxygen blowing is carried out, and then a slagging material is added; the oxygen blowing is continuously carried out, and the eccentric bottom tapping of the electric furnace is adopted; a deoxidizer, ferroalloy and a slagging agent are added into a ladle before tapping; the hot metal is poured into the ladle; II. refining in a ladle furnace: before ladle refining, an Al wire is quickly fed for deoxy treatment; the ladle enters an LF(Ladle Furnace) station, Ar gas is blown from the bottom of the furnace, and calcium carbide is added; power is supplied to raise the temperature; reducing white slag is made in the ladle; Al powder and synthetic slag are added for diffusible desoxydation; in a white slag state, the time is kept within more than 15 minutes, the ladle goes out of an LF station; and III. VD (Vacuum Distillation) vacuum refining: the ladle enters a VD station; Ar gas is blown from the bottom under the high degree of vacuum; after VD treatment, an Al wire is fed; a covering agent is added; Ar gas is blown from the bottom, and soft stirring is carried out; the ladle goes out of the station; and steel is poured. According to the smelting method of steel for the hypoxia axle, the content of oxygen in the steel can be reduced to not more than 15 * 10<-6>.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD

630MPa high-strength seismic resistance index rebar and production method thereof

The invention provides a 630MPa high-strength seismic resistance index rebar and a production method of the 630MPa high-strength seismic resistance index rebar. The production method comprises the steps that steelmaking raw materials are processed through a converter, so that rough molten steel is obtained; the refining operation is conducted through a refining furnace, so that refined molten steel is obtained; the rolling operation is conducted through a continuous casting machine, so that a continuous casting steel billet is obtained; after the continuous casting steel billet is conveyed toa heating furnace and heated, the steel billet enters a rough rolling unit of a machine frame and is subjected to the rough rolling operation, so that a rough rolled steel billet is obtained; after the rough rolled steel billet is cut and broken, the steel billet enters an intermediate rolling unit of the machine frame and is subjected to the intermediate rolling operation; after the steel billetis processed in a pre-water-cooling section, and the low-temperature finish rolling operation is accomplished, the steel billet is cut and broken, enters a finish rolling unit of the machine frame andis subjected to the finish rolling operation; and after a finish rolled steel billet is cooled and cut, the steel billet is subjected to the finishing operation and is stored. The technical problemsthat the adopted production technology is difficult to meet the 630MPa-strength seismic resistance requirement, and the production cost is high are solved. The technical effects that chemical components and the rolling technology are adjusted on the basis of an ordinary rebar, various index requirements of a high-performance rebar are met, the industrial rolling technology is stable, the cost is reduced, and the benefit is improved are achieved.
Owner:江苏联峰实业有限公司

Antistatic finishing process of chemical fiber fabric

InactiveCN103993473AImprove comfort performanceImprove overall performanceSynthetic fibresDyeing processDyeingPolymer chemistry
The invention provides an antistatic finishing process of a chemical fiber fabric. The antistatic finishing process comprises the following steps of pretreatment, preforming, dyeing, drying, padding, drying, baking, forming, calendering and winding. According to the antistatic finishing process, the chemical fiber fabric is firstly refined and then subjected to alkali weight reduction treatment during the pretreatment, so that the comfortable property of the chemical fiber fabric is enhanced, the integral property of the chemical fiber fabric is enhanced and the stability of the chemical fiber fabric is enhanced under the condition that the chemical fiber fabric is not damaged, and the stability of subsequent steps, namely the dyeing, the padding, the forming and the calendaring is guaranteed; an antistatic agent is added to the padding procedure, so that the antistatic property of the chemical fiber fabric is effectively improved, and the waterproof property and softening property of the chemical fiber fabric are both greatly enhanced through added waterproof agent and softener, the chitosan is also added to the padding procedure, the chitosan is a high-molecular substance with natural antibacterial and deodorant property, is safe and environmentally friendly, can also be used as the antistatic agent, and the antistatic property and antibacterial and deodorant property of the chemical fiber fabric are all greatly enhanced after the chitosan is added.
Owner:TAICANG MENGFAN CHEM FIBER
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