56results about How to "Improve properties" patented technology

This invention discloses a method for improving expansive soil based on its clay mineral composition and a method for predicting its performance. The method for improving expansive soil based on its clay mineral composition includes the following steps: obtaining the optimal admixtures for montmorillonite, illite, and kaolinite clay minerals in expansive soil under different moisture contents through molecular dynamics simulations; after determining the optimal admixtures for the three clay minerals, adding the corresponding admixtures to the corresponding minerals, preparing soil test blocks for testing, and determining the optimal dosage based on the test results; and configuring admixtures to improve the properties of the expansive soil based on its moisture content and mineral composition. This invention constructs a coarse-grained model of real soil particles and corresponding admixtures, tests various properties of the model, and combines machine learning to predict the improvement effect of admixtures on expansive soil under different working conditions. The method of this invention is applicable to the improvement and performance prediction of different expansive soils in different regions and has universality.

Disclosed in the present specification is a ferritic stainless steel having improved corrosion resistance and magnetic properties improved by having an optimized manufacturing process and alloy components; and a manufacturing method therefor. The ferritic stainless steel having improved corrosion resistance and magnetic properties, according to one embodiment of the present invention, may comprise, by wt%, 0.0005-0.035% of C, 0.005-0.05% of N, 0.1-2.0% of Si, 0.1- 0.5% of Mn, 16.0-20.0% of Cr, Mo in an amount of more than 0% and less than or equal to 0.5%, Nb in an amount of more than 0% and less than or equal to 0.5%, 0.005-0.30% of Ti, and the balance of Fe and impurities.

The present invention relates to bismuth oxide nanoparticles that are surface-treated with a hydroxyl group-free carboxylic acid (a) and a hydroxyl group-containing carboxylic acid (b), as well as a production method for bismuth oxide nanoparticles, including a step of mixing and heating a hydroxyl group-free carboxylic acid (a), a hydroxyl group-containing carboxylic acid (b), and triphenylbismuthine (c).

The utility model discloses a kind of gas tank dry gas desulfurization systems.The system includes: low temperature absorption tower, in which raw material gas tank dry gas and low temperature absorption oil countercurrent contact;Primary amine liquid absorption tower, in which utilize amine liquid to remove hydrogen sulfide in dry gas after organic sulfur is removed;Hydrolysis reactor, in which carbonyl sulfur in primary absorption tail gas is hydrolyzed, and hydrolysis tail gas is obtained;Secondary amine liquid absorption tower, in which utilize lean amine liquid to remove hydrogen sulfide in hydrolysis tail gas, and after absorption, purified dry gas is obtained.The desulfurization system of the utility model can purify and remove organic sulfide and hydrogen sulfide in dry gas, reduce sulfur content in gas, and then reduce SO2 content in flue gas discharged from heating furnace of subsequent each device, ensure that heating furnace of whole plant is safe, environmental protection, high efficiency and stable operation.

The application discloses a preparation method and system of a shoe with a variable gradient porous structure based on stress, and belongs to the technical field of 3D printing, and comprises the following steps: scanning a foot shape to generate a shoe contour shape; collecting stress distribution of a foot bottom, obtaining boundary distribution of the stress of the foot bottom through boundary fitting, and generating a stress function area; fitting the stress function area into the shoe contour shape, obtaining gradient transition changes according to the size relationship between the stresses between the stress function areas, and generating a gradient change area of the shoe contour shape; and based on 3D printing technology, printing the shoe contour shape with the stress function area and the gradient change area into a shoe with a Gyroid variable gradient porous structure and suitable for the foot shape based on an elastic material such as TPU. The application proposes an application method of a human foot shape and a foot stress measurement method in shoe design, and increases the service range of 3D printing customization.

Provided is a novel technique for providing a substrate advantageous when producing a sensor for analysis. The substrate for producing a sensor for analysis provided in the present disclosure has specific characteristics (for example, monodispersion, a single layer, or a specific density), such that it is possible to produce a sensor for analysis that is stable and enables highly accurate analysis. In the present disclosure, it is not required to remove excess fine particles after arranging the fine particles on the substrate, reproducibility of the density of the fine particles immobilized on the substrate is improved, and monodispersibility and single-layer properties are also improved.

The present invention relates to a braking device (10) for braking a shaft (12) of an escalator, the braking device comprising a brake disc (14) designed to be fixed in rotation to the shaft (12) of the escalator, the brake disc (14) having at least one braking surface (16) with a respective main extension plane (E) at least one friction element (18) displaceably mounted parallel and perpendicular to the main extension plane (E) for frictionally applying a braking force to the at least one braking surface (16); and an actuating means (26) for spacing and / or applying the at least one friction element (18) from the at least one braking surface (16). Further, the present invention relates to an escalator having a braking device (10) acting on a shaft (12) of the escalator.

The application discloses a dry gas deep desulfurization process. The process comprises the following steps: (1) removing hydrogen sulfide from refinery dry gas through a first-stage amine liquid absorption tower; (2) removing organic sulfur from tail gas of the first-stage amine liquid absorption tower in a low-temperature absorption tower; (3) sequentially exchanging heat between the absorption tail gas and raw dry gas, and between the absorption tail gas and hydrolysis tail gas, and then heating the absorption tail gas, and then inputting the absorption tail gas into a hydrolysis reactor to convert carbonyl sulfur into hydrogen sulfide; and (4) inputting the hydrolysis tail gas into a second-stage amine liquid absorption tower, and countercurrently absorbing the hydrolysis tail gas with lean amine liquid in the tower to remove hydrogen sulfide in the dry gas. The application can purify and remove sulfides in the dry gas, reduce the content of organic sulfur and hydrogen sulfide in the gas, reduce the content of SO2 in flue gas discharged from a heating furnace of each subsequent device, and ensure safe, environmentally-friendly and efficient and stable operation of the heating furnace of the whole plant.

Disclosed is a secondary battery. The secondary battery has a structure including an internal core portion containing an electrolyte having a relatively lower crosslinking degree, and surrounded with a peripheral portion containing an electrolyte having a relatively higher crosslinking degree. It is possible to provide an effect of improving both ion conductivity and mechanical properties by virtue of such structural characteristics. In addition, the electrolyte portion having a lower crosslinking degree is confined by the electrolyte having a higher crosslinking degree to provide an effect of preventing electrolyte leakage. In addition, the secondary battery can be obtained by a simple method that includes crosslinking only the peripheral portion before the core portion reaches to a crosslinking temperature and is crosslinked under an environment preheated to the crosslinking temperature or higher. As a result, there is no adverse effect upon the processing efficiency, since any separate device or system line is not required to carry out the crosslinking.

The application discloses a multifunctional orchard weeding and planting blanket based on dynamic response gel and belongs to the technical field of agricultural weeding, characterized in that the planting blanket comprises, from top to bottom, a fixing layer, a covering loose layer, a planting layer, a nutrient storage layer, an insulation layer and a bottom layer, the fixing layer and the bottom layer are both warp and weft nets woven from polyethylene material, the covering loose layer is made of coconut shell fiber, the planting layer is made by mixing stable gel, grass seeds, organic fertilizer and coconut shell fiber, the nutrient storage layer is made by mixing coconut shell fiber and organic fertilizer, and the insulation layer is made of polypropylene fiber cloth and can effectively inhibit the growth of original weeds, so that the economic and ecological benefits are maximized, and the problem of uneven grass growth of the planting blanket is solved.

Properties of a porous film used as a separator of a lithium ion cell are improved. A porous film (separator) of the present invention is a porous film including: a porous base substance S; and a coating film CF arranged on a surface of the porous base substance, the coating film includes: alkali silicate; and a first filler, the first filler is made of inorganic particles, and a content of the alkali silicate is equal to or more than 0.05 weight% with respect to the inorganic particles. The inorganic particle includes a material selected from nano silica, micro silica, carbon nanotube, talc, alumina, boehmite, aluminum hydroxide and glass fiber, and the porous film includes a second filler (a hydrophilic group of a cellulose is substituted with a hydrophobic group), a content of which is equal to or more than 0.05 weight% with respect to the inorganic particles. By usage of the porous film, the cell properties such as the thermal resistance and the cycle property can be improved.

The present invention relates to a biaxially stretched film containing polylactic acid (PLA) and polyhydroxy alkanoate (PHA), a laminate, and an eco-friendly packaging material comprising the film. Specifically, the biaxially stretched film of the present invention contains a specific range of content of PHA and satisfies a specific range of flexibility-noise complex index (LSN), and thus can improve optical and thermal characteristics and reduce the degree of noise, while having excellent strength and flexibility. In addition, the laminate of the present invention comprises first and second layers having a specific composition and thus can attain the improvement in the above characteristics and maintain excellent interlayer adhesive characteristics due to interlayer compatibility of the first and second layers. Therefore, the biaxially stretched film and the laminate can be utilized as packaging materials in various fields, thereby providing high-quality packaging materials.

There is provided an electrode for an electrochemical energy storage device comprising an electrode active material and a crosslinked binder. The crosslinked binder includes a polyelectrolyte composed of monomer units, wherein at least a portion of the monomer units has at least one carboxyl group per unit, and a crosslinking agent, wherein the polyelectrolyte is crosslinked by the crosslinking agent. The crosslinking agent is selected from a polyphosphate and a combination of ethylenedinitrilotetraacetic acid (EDTA) with sodium ions. The electrode active material is held together by the crosslinked binder. Further provided are methods for forming the electrode, electrode slurries comprising the crosslinked binder, and electrochemical energy storage devices that employ the electrode as an anode, a cathode, or both.

The present invention relates to a process for the production of a geopolymer composite. It further relates to a geopolymer composite, and the use of a geopolymer, a geopolymer in combination with an athermanous additive, or the geopolymer composite in expanded vinyl polymer, preferably vinyl aromatic polymer. Furthermore, the invention relates to a process for the production of expandable vinyl aromatic polymer granulate, and expandable vinyl aromatic polymer granulate. Finally, the present invention relates to expanded vinyl foam, preferably vinyl aromatic polymer, and to a masterbatch comprising vinyl polymer and a), b), or c).

In an ironing punch (1) to be used for metal ironing, a dot-shaped recess (3) is distributed on an outer peripheral surface (1a) of the ironing punch 1, and a raised portion (5) is formed on at least part of a peripheral edge portion of the dot-shaped recess (3).

Provided is a vapor-deposited aluminum pigment dispersion which achieves both of specular gloss and water resistance which allows usage as an waterborne paint. The pigment dispersion includes: a vapor-deposited aluminum pigment; an organic phosphoric acid compound having a straight chain alkyl group having eight or more carbon atoms; and a solvent, the vapor-deposited aluminum pigment is coated at least partially with at least a part of the organic phosphoric acid compound, and the vapor-deposited aluminum pigment dispersion has a viscosity of less than one Pa s when the viscosity is measured by Brookfield RVT DV2T HB-type Viscometer (at 20°C, CPA-40Z cone spindle, and 20 rpm).

In a vehicular disc brake and a friction mud capable of preventing a position of a pad spring from being displaced at the time of assembly and improving an assembling property, a pad spring 6 includes: a hanger pin abutting portion 6a that abuts against an outer peripheral surface on a disc radial inner side of a hanger pin 4; a first elastic portion 6c and a second elastic portion 6e that abut against a pair of friction pads 5, 5 and urge the friction pads 5, 5 to a disc radial inner side; and a first positioning piece 6g and a second positioning piece 6h that abut against the friction pads 5, 5 to determine positioning of the pad spring 6 when the friction pads 5, 5 and the pad spring 6 are assembled to a caliper body 3.

The present invention relates to a method for enhancing the sustained release capability of a nucleic acid drug. The method comprises: adding the DNA or RNA of a specific sequence to the 5' end and / or the 3' end of the nucleic acid drug and / or inside same. The enhancing of the sustained release capability of a nucleic acid drug refers to delaying the in vivo sustained release time of a nucleic acid drug and increasing the effective action time thereof in vivo. The DNA or RNA of the specific sequence is a G-4 chain, and the structure of the G-4 chain contains: Gx1Ny1Gx2Ny2Gx3Ny3Gx4.

Provided are an acid salt of a crystalline CSF-1R inhibitor, and a preparation method therefor and the use thereof, wherein the CSF-1R inhibitor is the compound 3,3-dimethyl-N-(6-methyl-5-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)pyridin-2-yl)-2-o xopyrrolidine-1-carboxamide having the structure of formula (I). The crystalline acid salt compound can greatly improve the physicochemical properties such as solubility, hygroscopicity and chemical stability of the compound of formula (I) in a free state, and meet the requirements for industrial production and clinical drug preparation development. The crystalline acid salt compound can be widely used in the preparation of a drug for treating cancers, tumors, autoimmune diseases, metabolic diseases or metastatic diseases.

Provided is an ink composition for ultraviolet-curable inkjet printing comprising polymerization components, a resin component, and a photopolymerization initiator, wherein the polymerization components include (A) a polyfunctional amine-modified oligomer, (B) a nitrogen-containing monomer, (C) an aromatic ring-containing monomer, and (D) a polyfunctional monomer, wherein the resin component includes a hydroxyl group-containing resin, wherein (A) comprises an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, wherein (B) comprises vinyl caprolactam, wherein (C) comprises benzyl acrylate and phenoxyethyl acrylate, wherein (D) comprises at least one of propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, or 1,6-hexanediol diacrylate, wherein a content of (A) is 0.1 to 13.0% by mass, wherein a content of (C) is 35.0 to 75.0% by mass, wherein a content of (D) is 2.0 to 16.0% by mass, and wherein the hydroxyl group-containing resin includes a ketone resin having a hydroxyl group.

The present invention is related to the industrial process and use of a soil conditioning agricultural composition comprising one or more of the species of the genre Rhodopseudomonas, Pseudomonas, Bacillus and Saccharomyces, as well as the application thereof in cultivations of agricultural interest with the purpose of benefitting physical, physical-chemical and microbiological properties of the soils. In addition to the biological role of each biological component, chitosan is added to the solution which works as a prebiotic supplement benefiting the microbiota established in the environment of application. Surprisingly, the agricultural composition comprising one or more species of the genre Rhodopseudomonas, Pseudomonas, Bacillus and Saccharomyces acts in the decompaction of soils in diverse cultures, including those that are highly demanding in the initial preparation of the culture. Finally, the agricultural composition promotes the growth and productivity of the plants in a surprising manner.

Proposed is a non-oriented electrical steel sheet as a steel material from which both a rotor core material having excellent fatigue properties and a stator core material having excellent magnetic properties after core annealing is performed can be obtained. The steel sheet is produced by hot-rolling a steel material including predetermined amounts of C, Si, Mn, and Al, followed by hot-band annealing, cold rolling, and cold-band annealing, wherein the steel sheet is cooled before the final cold rolling to a temperature of 90°C or below followed by aging conducted at a temperature of 100 to 300°, cold rolled in the first pass of the final cold rolling at a bite temperature of 70°C or below using a work roll with a surface roughness Ra of 0.05 to 3.0 µm, and subjected to the cold-band annealing at 700 to 950°C, so that D1 to D3 satisfy predetermined conditions, provided that the average crystal grain size of crystal grains with all orientations, the average crystal grain size of crystal grains with the orientation {411}<148>, and the average crystal grain size of crystal grains with the orientation {211}<011>, each measured by electron backscatter diffraction, are respectively represented by D1, D2, and D3.

What is proposed is a method for protecting cathode blocks of aluminium electrolyzers having prebaked anodes, the method comprising providing a mixture of a refractory material with a binder, applying said mixture as a coating on the surface of the cathode blocks giving consideration to the cell bottom wear profile, and drying said coating. As the refractory material, use is made of a bimodal or polymodal mixture of titanium diboride powders or titanium diboride powder, the granulometric composition of which has a bimodal or polymodal particle size distribution. As the binder, use is made of sulfonated reaction products of naphthalene with formaldehyde having a coke residue of at least 30% by weight; after drying, a layer of graphite powder is applied to the coating surface as protection against oxidizing during commissioning, thus forming, upon heating of the cell bottom, an aluminium-wettable TiB2-C composite coating.

The present disclosure relates to a method for producing a terephthalate derivative from dimethyl terephthalate. The present disclosure provides an efficient and economic method for producing a terephthalate derivative from dimethyl terephthalate in high yield by optimizing reaction conditions, selecting optimum transesterification reaction catalysts, and simplifying processes.

The invention provides anti-TIGIT (T-cell immunoreceptor with lg and ITIM domains) antibodies and methods of using the same.

Provided is a non-aqueous electrolyte containing a non-aqueous electro solvent and a lithium salt, wherein the non-aqueous solvent includes a carbonate solvent, the lithium salt contains a fluorine-containing cyclic sulfonylimide salt represented by general formula (1): (in the formula, Rf each may be the same or different and each represent a fluorine atom or a C4 or lower perfluoro group), and a fluorine-containing sulfonamide compound represented by general formula (2): H(CR2)m-SO2NHM2 (in the formula, R each may be the same or different and each are a fluorine atom or a trifluoromethyl group, M2 is Li, Na, K, H, or NH4, and m is 1 or 2) is contained in an amount of 1,000 mass ppm or less relative to the total amount of non-aqueous electrolyte.

The present invention relates to silicon compound coated metal magnesium particles in which at least a part of a surface of the metal magnesium particles is coated with the silicon compound, wherein an average particle diameter of the silicon compound coated metal magnesium particles is 5 nm or more and 500 nm or less, and a thickness of the silicon compound coating is 1 nm or more and 50 nm or less. The silicon compound coated metal magnesium particles of the present invention are easy to handle in the atmosphere, and have excellent oxidation resistance, and further the properties expected of the nano-size metal magnesium particles are improved at a maximum, or the properties are controlled by supplementing the properties.

The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

A fluorine-containing curable composition which contains, as essential components, component (A) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having a trifluoromethyl group at one end of the molecular chain and two or more (meth)acryl groups at the other end, component (B) that is composed of a compound which is a linear polymer having a fluoropolyether in the main chain, while having two or more (meth)acryl groups at each end of the molecular chain, and which has four to ten (meth)acryl groups in each molecule on average, and component (C) that is composed of a non-fluorinated acrylic compound which contains no fluoropolyether structure, while having two or more (meth)acryl groups in each molecule on average; the total blending amount of component (A) and component (B) relative to 100 parts by mass of component (C) is from 0.05 to 50 parts by mass; and the blending amount of component (A) relative to 100 parts by mass of component (B) is 1 to 100 parts by mass. This fluorine-containing curable composition is capable of forming a cured film that exhibits excellent antifouling properties and excellent water repellency, while having a low coefficient of kinetic friction.