45results about How to "Increase the residual rate" patented technology

An electrical double-layer capacitor showing a sleight increase of resistance when used under continuous application of high voltage and maintaining high energy residual ratio after standing for a long time includes an electrode element including a pair of electrodes disposed opposite to each other with a separator interposed therebetween, and is impregnated with a nonaqueous electrolyte solution prepared by dissolving quaternary ammonium salts into cyclic carbonates and containing impurities of 30 ppm or less of glycols, 30 ppm or less of primary alcohols and less than 20 ppm of tertiary amines. The water content may be 50 ppm or less. The quaternary ammonium salt may be triethylmethylammonium tetrafluoroborate. The cyclic carbonate may be propylene carbonate. The nonaqueous electrolyte solution may have a concentration of 0.1 to 2.5 mol/liter. The electrode may be a polarizable electrode composed of activated carbon.

The invention discloses a highly-flame-retardant modified acrylate coating. The raw materials for preparing the coating comprise the following ingredients: 65-80 parts of phosphate ester modified acrylic emulsion, 5-10 parts of polysiloxane, 3-10 parts of waterborne polyurethane emulsion, 2-6 parts of resorcinol bis(diphenyl) phosphate, 0.5-1.8 parts of tri-isopropylphenyl phosphate, 10-30 parts of nanometer aluminum hydroxide, 15-32 parts of titanium dioxide, 5-20 parts of nano-silica, 19-35 parts of ammonium polyphosphate, 5-10 parts of dipentaerythritol, 3-10 parts of beta-cyclodextrin, 3-8 parts of an organic solvent, 3-5 parts of a film-forming additive, 2-5 parts of an auxiliary, and 30-60 parts of water. The highly-flame-retardant modified acrylate coating disclosed by the invention is good in flame retardancy, high in heat resistance, high in strength, and long in service life.

The present invention provides a sprayable gel-type skin/mucosa-adhesive preparation comprising a gel formulation which contains an active pharmaceutical ingredient in a gel base material comprising a skin/mucosa-adhesive agent and an administration system comprising the preparation.

The invention relates to polycyclotriphosphazene-sulphone phenyl ester and a preparation method thereof. The structural formula of the polycyclotriphosphazene-sulphone phenyl ester is as shown in the specification, wherein R in the structural formula is as shown in the descriptions, and m is equal to 1-60. The polycyclotriphosphazene-sulphone phenyl ester has good polarity solution dissolving property, good flame retardant property, relatively good thermal stability, high thermal decomposition temperature, high residual rate of high-temperature solids and other excellent properties similar to those of POB polybenzoate, is mainly applied to automotive engine components, mechanical components and aeronautical facility components and provides a new choice for high-temperature solid lubrication materials for mechanical components and parts.

The invention relates to a preparation method of a composite material based on epoxy resin and phosphazene nanotubes, which belongs to the technical field of nano materials. The preparation method comprises the following steps: under ultrasonic conditions, adding acid binding agent into tetrahydrofuran; adding 4,4'-dihydroxy-diphenyl sulfone and hexachlorocyclotriphosphazene to carry out condensation reaction; adding epoxy chloropropane; dropwise adding sodium hydroxide water solution; heating to carry out water bath reaction, thereby obtaining epoxide group modified phosphazene nanotubes; adding the epoxide group modified phosphazene nanotubes into the acetone dissolved epoxy resin, adding epoxy resin curing agent, carrying out ultrasonic dispersion, removing acetone in a vacuum drying oven at low temperature, and pouring the mixture into a die; and curing at high temperature to obtain the composite material based on epoxy resin and phosphazene nanotubes. The epoxy resin composite material has the advantages of high shock resistance, tensile property and thermal stability.

The invention discloses a method for construction of a transcriptome sequencing library. The method comprises the following steps: providing a DNA molecule containing to-be-removed rRNA; carrying outdesigning on account of a DNA sequence of the to-be-removed rRNA so as to obtain a Crispr RNA pool; and allowing a DNA sample to contact with the Crispr RNA pool and Crispr protein so as to obtain a sample compiled by a Crispr system and obtain the transcriptome sequencing library and a kit used for construction of the transcriptome sequencing library. The method and the kit provided by the invention can remove a large number of redundant RNA like rRNA with high efficiency, enrich other molecules in the sample, improve the data quality and the effective data ratio of initial transcriptome sequencing, and reduce the cost of sequencing.

The invention relates to a ceramic high carbon polymer matrix composite and a preparation method thereof. The composite comprises the following components according to parts by weight: 15-50 parts of high thermoset carbon resin, 5-10 parts of eutecticevaporate mixture, 20-50 parts of clay stratified structure mineral powder, and 0.1-1.5 parts of molding additives. The preparation method comprises the following steps of hot melting and mixing the components according to the proportion, heating and fusing the mixture for vacuum defoamation, casting in a die, and thermocuring for molding at the temperature, so as to obtain the ceramic high carbon polymer matrix composite. The ceramic component of the polymer is characterized in that the ceramic component can be converted into ceramic material containing carbon in high temperature aerobic environment, the temperature for ceramic conversion is controllable, the ceramic conversion rate is high in high temperature aerobic environment, and the ceramic bovine component can be used in the field of antiflaming and fireproofing and thermal protection.

The invention discloses environment-friendly water-based ink, an environment-friendly high-strength damping corrugated paper box and a manufacturing method of the corrugated paper box. The environment-friendly water-based ink is prepared from the following raw materials in parts by weight: 60-70 parts of water-soluble acrylic resin, 20-25 parts of water-based polyurethane resin, 7-10 parts of pigment, 12-15 parts of color paste, 0.75-0.85 part of a defoaming agent, 0.4-0.55 part of a flatting agent, 3-5 parts of a thickening agent, 0.7-0.9 part of a coalescing agent and 3-6 parts of tea polyphenol. According to the environment-friendly water-based ink disclosed by the invention, the raw materials are carefully selected, and the content of each raw material is optimized, so that the residual rate of the prepared environment-friendly water-based ink on a printed film is much larger than the residual rate of conventional water-based ink, adhesive force is higher, and water resistance is better. Patterns and/or characters on the surface of the corrugated paper box are not blurred or fallen off easily in a using process, and attractiveness and use experience can be ensured.

The invention relates to the technical field of medical apparatus and instruments, and in particular relates to a syringe needle which is characterized in that the inner wall of the syringe needle is of a concave-convex rough surface structure. The syringe needle has the beneficial effects that the structure of the inner wall of the syringe needle is changed, under B-ultrasonic localization, a needle part of a puncture needle enters the lump part, and the concave-convex rough surface structure of the inner wall of the needle part enables the needle part to have lateral shear force in the rotation process through multi-direction lifting and inserting; in the withdrawing of the needle, the residual rate of the sucked cells on the inner wall of the needle part can be improved, so that enough lesion cells can be sucked, and even more the lesion cells are divided from the root and completely sucked; an operator does not need to pull a needle pintle by hand continuously, and the negative pressure inside a needle tube can be effectively controlled under the coordinated positioning of a baffle and a gap, so that the sucking success rate can be improved, a satisfactory smear is prepared, and the lesion nature is judged.

The invention discloses a soft flame retardant cable material. The soft flame retardant cable material comprises the following raw materials by weight: 30-40 parts of polyolefin resin, 15-28 parts ofrecycled polyethylene, 13-25 parts of high impact resistant polypropylene, 8-15 parts of vinisol, 5-10 parts of hollow glass microsphere, 4-9 parts of coated nanometer fly ash, 2-3 parts of plasticizer, 5-10 parts of nanometer calcium carbonate, 1-3 parts of zinc stearate, 2-4 parts of trioctyl trimellitate, 1-2 parts of dioctyl sebacate, 2-4 parts of barium stearate, 3-6 parts of triethyl citrate, 1-2 parts of antioxidant, and 5-10 parts of aluminum hydroxide. The soft flame retardant cable material is relatively low in cost, the performance meets the standard request, and the problems that alarge quantity of toxic smoke and corrosive gases produced in the combustion of the existing flame retardant cable in the fire disaster greatly damage survivors and rescue workers and pollute the environment are solved.

The invention relates to a release silicone oil product, in particular to solvent-free release silicone oil with medium and heavy release force and a preparation method thereof, and the solvent-free release silicone oil with medium and heavy release force comprises the following components: vinyl silicone oil, alkynol, polysiloxane containing stearoyl propyl, a cross-linking agent and a Karst catalyst. The solvent-free release silicone oil product prepared by the invention is wide in application range to a base material, relatively high in cost performance, good in stability and low in stripping noise, an obvious weight increasing effect can be achieved only by using a very small addition amount, and in addition, the solvent-free release silicone oil product is small in release force attenuation amplitude and high in residual rate after being coated with silicon.

The invention discloses a multifunctional compounded flying dust suppressant prepared on the basis of an active enzyme. The multifunctional compounded flying dust suppressant is prepared from the following raw materials in percentage by weight: 0.28-0.32% of bioactive enzyme, 0.07-0.12% of high-polymer water-absorbing resin, 4.50-5.00% of CO(NH2)2, 4.40-4.50% of CaCl2, 2.20-2.30% of CaO and the balance of water. The bioactive enzyme is urease which is an artificially extracted plant enzyme. The application method of the dust suppressant comprises the following steps: dissolving powder materials in water according to the percentage by weight, uniformly mixing, spraying the mixture on the road surface and stockpile surface, wherein the amount of the mixture is 1-3L for every 1m<2> of the municipal road, and the amount of the mixture is 3-6L for every 1m<2> of the stockpile. By utilizing the principles of moisture absorption, moisture retention, bonding, biodegradation and biological calcification, the dust suppressant effectively enhances the flying dust suppression effect, and has the advantages of long acting duration time, lower secondary flying dust, high reaction speed, high temperature resistance and environment friendliness.

The invention relates to a method for preparing an alginic acid synergistic carrier with a urea transformation slowing function. The method for preparing the alginic acid synergistic carrier with theurea transformation slowing function comprises the steps of alginic acid organic extracting agent preparation, alginic acid extracting liquor preparation, extracting synergistic carrier preparation and the like. Through combination of the alginic acid synergistic carrier and urea, the decomposition, releasing and transformation speed of the urea can be obviously reduced; compared with the urea residual rate of the commercial urea, the urea residual rate of the alginic acid synergistic carrier is increased by 90%; and moreover, the sustained release performance of the urea can be enhanced by affecting fertilizer sphere process, such as pH value of urea transformation; and compared with the commercial urea, the alginic acid synergistic carrier has the advantage that the soil pH value withinthe fertilizer sphere of 1 cm is reduced by 0.3-1.1 units. Compared with the fresh weight and vitality of a contrast, the fresh weight and vitality of a wheat root system treated by the alginic acid synergistic carrier are correspondingly increased by 54.9% and 36.3% on average; and the fresh weight and vitality of a corn root system are correspondingly increased by 38.5% and 26.7%.

The present invention relates to an electronic device comprising: a circuit board installed inside the body of the electronic device and formed by alternately laminating conductive layers made of a conductive material and dielectric layers made of an insulative material; at least one patch antenna arranged on the circuit board; a core layer positioned at the center portion inside the circuit boardand made of one of the dielectric layers; a ground layer arranged on the lower portion of the core layer; and an EGB structure positioned inside the circuit board and shaped such that the upper and lower portions thereof are symmetric with each other with reference to the core layer, wherein the EGB structure can limit interference between operating frequency signals emitted from respective patchantennas.

The invention provides a double-wire winding transformer. The transformer comprises a transformer main body and a coil wound on the transformer main body, wherein the transformer main body consists ofa first body, a second body, a third body and a fourth body; the surface of the second body is coated with an organic material or an inorganic material, the surface of the first body and the bottom of the second body are subjected to mirror surface treatment, and the second body is bonded and fixed at the top of the first body; the third body and the fourth body are bonded and fixed to two ends of the top of the second body, and electrodes are compounded on the surfaces of the third body and the fourth body through vacuum electroplating or traditional electroplating modes. After the scheme isadopted, the residual rate of a substrate is high, tin soldering high-temperature resistance is achieved, tin attachment property is good, and pseudo soldering is avoided; remote signal transmissionis realized.