89results about How to "Small expansion" patented technology

An about ⅝ inch to ¾ inch thick low weight, low density gypsum panel with fire resistance capabilities sufficient to provide a Thermal Insulation Index of at least 17.0 minutes which when subjected to U419 test procedures will not fail for at least 30 minutes and, in selected embodiments, also has outstanding water resistance properties.

The present invention provides polypropylene resin pre-expanded particles having small fluctuation in cell diameter and expansion ratio compared to in the past. The pre-expanded particles are obtained by having as a base resin, a polypropylene resin composition comprising polypropylene resin (A), a compound having a triazine skeleton and molecular weight of at most 300 per triazine skeleton unit (B) and as a random component, hydrophilic polymer (C) and inorganic filler (D) and water as the foaming agent. By using the pre-expanded particles, a polypropylene resin in-mold expanded article having decreased unevenness in color and fluctuation in weight can be obtained.

The structural cable (2) to be anchored, such as a main suspension cable or a stay cable, is made of a compact bundle of parallel metallic wires. The cable wires are distributed into seven-wire units (18) in a portion of the cable adjacent to an anchor block (13), and these seven-wire units are individually anchored on the anchor block.

The invention relates to a fake certification method for mobile phone electronic tickets and a system therefore. The system comprises a mobile terminal (1), a computer terminal (2), a communication network (3) and a server (4), wherein the server is provided with an internet verification subsystem, a SMS verification subsystem and an anti-counterfeiting code list generation subsystem under software support. The invention can provide various verification tools including mobile phone, computer, anti-counterfeiting code list and mobile phone two-dimension code special reader from the website of electronic ticket service to trade companies and members, and a method thereof, therefore, trade companies can quickly and accurately verify the reality, falsity and effectiveness of mobile phone electronic tickets without using expensive machine recognizers, to reduce the fake certification cost on electronic tickets significantly, thereby exciting the enthusiasm and activeness of trade companies to enter into website to publish electronic ticket information, and developing the websites of various electronic ticket services effectively and quickly.

The invention belongs to the technical field of the preparation of lithium ion batteries, and particularly relates to a water-based composition used for modifying diaphragm of lithium ion batteries and a polyolefin diaphragm for lithium ion batteries and lithium ion batteries. The invention aims to improve the strength of the battery cell, to reduce the expansion of thickness of battery cell at high temperature and to simplify the battery production process. The water-based composition for modifying the diaphragm for the lithium ion battery comprises a water-based adhesive for the lithium ion battery and organic nano-particle fillings dispersed in the water-based adhesive; the organic nano-particle fillings are nano-particles of the polymers 1 or nano-particles at least wrapped with the polymers 1 on the surfaces; and the particle sizes of the organic nano-particles are 50 to 2000 nm. The polymers 1 are selected from at least one of polymethyl methacrylate (PMMA), ethylene-vinyl acetate copolymer (EVA), ethylene-acrylate copolymer (EAA), ethylene-butyl acrylate copolymer (EBA), ethylene-methyl acrylate copolymer (EMA), ethylene-ethyl acrylate copolymer (EEA) or polyurethane (PTU) polymer.

The invention provides a boron selective gel adsorbent containing polyhydroxy functional groups; the preparation method includes the following steps: a gel precursor is synthesized by organosilane and a compound containing polyhydroxy functional groups in an organic solvent and then a boron selective gel adsorbent containing polyhydroxy functional groups is obtained through the hydrolysis-condensation reaction of the precursor and organic silicon; or gel is firstly obtained through the hydrolysis-condensation reaction of the organic silicon and the surface of the compound with polyhydroxy functional groups used by the gel is modified to prepare the boron selective gel adsorbent containing polyhydroxy functional groups. The prepared adsorbent has higher loading capacity for boron and has better mechanical strength and the advantage is more obvious in high ionic strength solution and can be used for adsorptive separation of boron or the removal of detrimental impurities in the solution containing boron. The preparation process has simple process, convenient operation, low cost and easy industrial application.

The invention discloses a method for separating camptothecin and 10-hydroxycamptothecin by the adoption of rosin-based macromolecules. According to the method, alpha-methacrylic acid (or methyl methacrylate) is used as a monomer, maleated rosin-[(2-acryloyloxy) ethyl] ester is used as a cross-linking agent, and an micro-suspension free radical polymerization method is adopted to prepare rosin-based macromolecule microspheres, wherein the microspheres are a spherical porous material, the article size distribution of the rosin-based macromolecule microspheres is 3-10 microns, the average pore size of the rosin-based macromolecule microspheres is 10-15 nm, the specific surface area of the rosin-based macromolecule microspheres is 90-120 m<2>/g, and the acid value of the rosin-based macromolecule microspheres is 50-150 mgKOH/g; wet column packing is conducted on the rosin-based macromolecule microspheres by the adoption of a column packing machine, so that a chromatographic column is prepared; HPLC separation is conducted on the camptothecin and the 10-hydroxycamptothecin, wherein the detecting wave length is 230-290 nm, the temperature is 30+/-10 DEG C, the flow speed is 0.3-1.0 mL/min, and the separation degree of the camptothecin and the 10-hydroxycamptothecin is 1.80-2.15. By the adoption of the method for separating the camptothecin and the 10-hydroxycamptothecin by the adoption of the rosin-based macromolecules, a high separation degree of the camptothecin and the 10-hydroxycamptothecin is achieved, the selectivity is high, the method is high in sensitivity, easy to operate, rapid and efficient, and no secondary pollution to medicine, health care products and food is caused.

A separator paper is provided which simultaneously satisfies the requirements to have a high denseness that can prevent internal shortage due to such as the deposition of the zinc oxide dendrite accompanied by not adding mercury, and a high liquid impregnate properties that can improve heavy discharging properties. Said separator paper comprises a dense layer having a certain degree of denseness, and a liquid impregnate layer having a certain degree of liquid impregnate properties, said dense layer and said liquid impregnate layer being integrally laminated, and said dense layer being made by mixing alkali proof cellulose fibers which is applicable for beating with synthetic fibers such that said alkali proof cellulose fibers be included in the range of 20 to 80 weight % with the beating degree of 500 ml to 0 ml at CSF value, and said liquid impregnate layer being made by mixing alkali proof cellulose fibers with synthetic fibers such that said alkali proof cellulose fibers be included in the range of 20 to 80 weight % with the beating degree of more than 700 ml at CSF value.

A preparing method of a viscosity modifying material specially used for self-compacting concrete for CRTSIII type plates is disclosed. The viscosity modifying material is prepared by fully mixing fumed silica, calcium carbonate, low-viscosity hydroxyethyl cellulose, high-viscosity hydroxyethyl cellulose, a thixotropy modifier and water-soluble polymer rubber powder. The viscosity modifying material comprises 45-55% by mass of the fumed silica, 43-55% by mass of nanometer calcium carbonate, 0-0.5% by mass of the low-viscosity hydroxyethyl cellulose, 0-0.5% by mass of the high-viscosity hydroxyethyl cellulose, 0-2% by mass of the thixotropy modifier and 2-4% by mass of the water-soluble polymer rubber powder.

Disclosed is an integrated electric vagina expander, relating to a combined structure of a vagina expander and a colposcope and comprising a detector, a detector permanent seat and a spring regulating mechanism. The spring regulating mechanism is composed of a duck mouth and a duck-mouth open-close device. The duck-mouth open-close device is composed of an open-close shaft and a shell sleeved outside the open-close shaft. A spring is arranged on the open-close shaft, regulating the open and close of the duck mouth. The integrated electric vagina expander which integrates the functions of the vagina expander and the colposcope can achieve continuous operations of examination, sampling and medicine application by a doctor, greatly improving the work efficiency of the doctor; the duck mouth is opened and closed in parallel so that the pain that a patient feels is reduced. In addition the invention is simply structured and produce with low cost.

The invention belongs to the technology field of metallurgical industrial equipment and discloses a metering nozzle for casting molten steel. A composite stabilizer is also added to raw materials before calcining the metering nozzle, and the stabilizer contains CaO, Y2O3 and MgO. The invention also discloses the manufacture process of the metering nozzle, which adopts a two-step calcination method comprising the following steps: preparing the raw materials according to a ratio, mixing, carrying out high-temperature calcination to obtain stable ZrO2, sintering, crushing, adding a binder and fused monoclinic ZrO2, shaping at high pressure according to the product shape, and carrying out another calcination. By adopting the above technical scheme, the metering nozzle improves stability and service life, and lowers calcination temperature and manufacture cost.

A surround system includes a decoder that decodes an encoded audio data stream, a decorrelation unit that receives and decorrelates stereo signals decoded by the decoder so as to generate surround signals having a low-correlation component, an addition unit that adds high-correlation-component signals extracted from the stereo signals to the surround signals generated by the decorrelation unit, and a controller that controls addition of the high-correlation-component signals performed by the addition unit on the basis of the bit rate of the audio data stream.

The invention discloses an accurate forming tool of an aluminum silicon carbide composite IGBT (insulated gate bipolar translator) baseplate. The accurate forming tool comprises an aluminizing box, a guiding pipe and positioning devices, wherein the upper part of the guiding pipe is fixedly connected with a bottom surface of the aluminizing box; the upper part of the aluminizing box is provided with a cover plate which is placed in the aluminizing box, the lower part of the aluminizing box is provided with a bottom plate which is placed in the aluminizing box, the four sides of the aluminizing box are all provided with side plates which are placed in the aluminizing box; the bottom plate is provided with an impregnation flow channel of a molten aluminum alloy liquid; at least two deformation-proof partition plates are arranged among the side plates; the guiding pipe is externally sleeved with a heat preservation device. The accurate forming tool provided by the invention has the advantages that the heat preservation device can reduce the freezing rate of an alloy liquid in the guiding pipe, a final freezing region can be controlled in the position of the heat preservation device, the aluminum alloy liquid can be used for feeding a baseplate material in the aluminizing box in time, and thus a shrinkage cavity of the material is avoided; the positioning devices can strictly control the aluminum covering quantity of the two surfaces of a baseplate, the processing time is short, the cost is low, and the production efficiency is high; the aluminizing flow channel can be used for eliminating a crackle of the material and non-uniformity of an aluminum tape and the material.

The present invention relates to ceramic precursor compositions and chemically bonded ceramic (CBC) materials, especially Ca-based, and composite biomaterials suitable for orthopaedic and dental applications with improved setting and curing properties resulting in stable close contact between biomaterial and bone tissue. The present invention also relates to a method of manufacturing said cured material, a bioelement and carrier material for drug delivery made by said cured material, a kit comprising the ceramic precursor powder and hydration liquid, as well as the use of said ceramic precursor powder and hydration liquid, or said cured material, for orthopaedic and dental applications.

An object of the present invention is to provide an all-solid battery having high energy density.

The problem can be solved by a negative electrode for an all-solid battery comprising: a carbonaceous material having a true density of from 1.30 g/cm³ to 1.70 g/cm³ determined by a butanol method, a specific surface area of from 0.5 to 50.0 m²/g, an average particle size D_v50 of from 1 to 50 μm, and a combustion peak T (° C.) according to differential thermal analysis and a butanol true density ρ_Bt (g/cm³) satisfying the following formula (1):

300≦T−100×ρ_Bt≦570  (1)

and

a solid electrolyte.

An electrical cable includes at least one conductor and a barrier arranged externally to the at least one conductor. The barrier includes two first layers including an inorganic material and a second layer including a polymer-metal composite material, the second layer being interposed between the two first layers. The electrical cable also includes, in an intermediate position between the at least one conductor and the barrier, solely discontinuous layers and/or layers of non-thermally-collapsible materials.

The invention relates to a feed preparation method, particularly to an instant explosion preparation method of appetite promotion type feed raw materials, which aims to mainly solve the technical problems of bad taste of feed raw materials, low preparation speed, high probability of oxidation and decomposition, difficulties in storage and shattering, much loss of nutrient components, low digestion ratio and the like in the prior art. The method comprises the steps as follows: pouring the raw materials by weight percent into a non-sealed heating container, including 0-95 percent of soybean, 0-95 percent of maize, 0-95 percent of pea, 0-95 percent of barley, 0-95 percent of wheat, 0-95 percent of oats, 0-95 percent of vegetable seed, 1-9 percent of ore powder and 1-9 percent of salt; heating the raw materials in the heating container at the temperature controlled within 60-300 DEG C; after uniformly heating the feed raw materials, performing instant expansion to the feed raw materials including the soybean, the maize, the pea, the barley, the wheat, the oats, the vegetable seed and the like till ripeness; taking out and shattering the raw materials thus obtaining a finished product.