14results 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.

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.

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.

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.

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.

Provided is an anti-HER3 antibody drug conjugate, specifically comprising an antibody moiety, an intermediate linker moiety, and a cytotoxic drug moiety which are linked together. The provided antibody drug conjugate achieves excellent anti-tumor activity or / and better safety. The provided antibody drug conjugate can be used for the treatment of cancer.

The present application relates to a kind of anthraquinone-based dyeing pigment wastewater treatment method and system based on multistage cooperation, belong to industrial wastewater treatment technical field, solve the problems of low COD removal rate, poor nitrification denitrification and difficult decolorization in the prior art of anthraquinone-based dye wastewater treatment method.The method comprises: respectively pretreating anthraquinone-based dye wastewater, azo pigment non-ink lake wastewater and azo pigment ink lake wastewater, the pretreatment of anthraquinone-based dye wastewater includes sequentially flocculation adsorption treatment, filter pressing dewatering treatment and ozone catalytic oxidation treatment;Mix the above wastewater and other wastewater in the factory area after pretreatment, carry out multistage biochemical intensification treatment to the obtained mixed wastewater;The mixed wastewater after biochemical intensification treatment is carried out sedimentation sludge-water separation, and the supernatant separated is carried out multistage physical and chemical synergistic treatment.The present application can improve COD removal rate and nitrification denitrification, decolorization effect.

Disclosed are a liquid colored oil and a colored polyamide fiber. The liquid colored oil contains a colorant and a base oil agent. The base oil agent is a liquid at normal temperature and normal pressure, and a solubility parameter (SP) value thereof is 7.5 to 15.0. The colored polyamide fiber contains the aforementioned liquid colored oil. The liquid color oil can be stably added into polymers and dye them during the spinning process. The colored polyamide fiber has excellent spinning and dyeing properties.

The invention relates to a method and system for recycling waste plastics, and the method comprises the steps that S1, solid waste plastics and replacement gas enter a deoxidation device, so that the replacement gas conducts purging deoxidation treatment on the solid waste plastics, deoxidized plastics are obtained, and the deoxidation device comprises a gas stripping functional area and a diffusion functional area which communicate with each other; s2, the deoxidized plastic enters a softening-dechlorination device to be subjected to softening-dechlorination treatment, and chlorine-containing gas and softened dechlorinated plastic are obtained; s3, the softened dechlorinated plastic enters a liquefying device to be subjected to liquefying treatment, and pyrolysis gas and liquid plastic are obtained; s4, enabling the chlorine-containing gas in the step S2 and the pyrolysis gas in the step S3 to enter an alkali washing device for alkali washing treatment; and at least part of the liquid plastic in the step S3 serves as a circulating material to be heated and then returns to the liquefying device to be continuously treated. The present disclosure can significantly reduce the yield of by-products and continuously and stably provide a liquid feed for waste plastic pyrolysis.

The last decades has seen enormous advance in the market for flooring for floor covering. It is known to install floor panels on a underlying floor in various ways. The present invention relates to an improved panel, such as a floor panel, in particular a decorative floor panel. The invention also relates to a covering, in particular a floor covering, comprising multiple interconnected panels according to the invention.

The utility model discloses a modification device for paperboard adhesive batching, which comprises a material tank and a modification mechanism arranged on the material tank, a redirection mechanism and a heating mechanism are arranged in the material tank, the material tank comprises a tank body, two ends of the tank body are respectively connected with an input pipe and an output pipe, and the tank body is of a hollow cavity structure. The modification mechanism comprises a modification motor and an extension shaft fixedly connected with the output end of the modification motor, multiple sets of blades are fixed to the extension shaft, the redirection mechanism comprises an annular cover, and multiple sets of redirection through holes are formed in the annular cover. According to the modification device for paperboard adhesive batching, the modification mechanism and the redirection mechanism are arranged in the modification tank, movement of materials is intensified, the movement range of the materials is wider, the modification efficiency is improved, only the materials are heated within a short time through the arranged heating mechanism, the materials cannot be continuously and excessively heated, and the modification efficiency is improved. Therefore, the modified paperboard adhesive has better properties.

Disclosed in the present invention are a targeting antibody-polyethylene glycol-siRNA drug conjugate, and a preparation method therefor and the use thereof. The ligand drug conjugate has a structure as represented by general formula (I). Further disclosed in the present invention is that a polyethylene glycol derivative having excellent biocompatibility is used as a linker, and targeted delivery of specific CFD-siRNA is achieved using binding specificity of an antibody and an antigen. The drug conjugate has high biocompatibility and minor side effects, can effectively inhibit CFD gene expression, and provides a new choice for preventing or treating CFD-related diseases.

The present invention relates to detergent compositions comprising protease variants and alpha-amylases or variants thereof. Furthermore, the present invention relates to methods of using the detergent compositions.