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494 results about "Extremely good" patented technology

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Sewage sludge shale ceramic particle and preparation method thereof

Sewage sludge shale ceramsite and a preparation method thereof are provided, which relates to the light energy-saving ceramsite of building materials and a preparation method thereof. The ceramsite of the invention consists of sewage sludge, shale and admixtures; the method of the invention uses the sewage sludge, the shale and the admixtures as raw materials; first, the shale is grinded into shale powder and then the sewage sludge, the shale and the admixtures are mixed and wedged to be granulated into round particles and then enter into a kiln; the products are obtained after going through drying, preheating, barking and being taken out of the kiln for cooling. The ceramsite employs the sewage sludge discharged directly from sewage treatment plants and the shale as major materials, which greatly saves land resource and partial shale mine resource and provides an extremely good way for the non-hazardous and reclaiming treatment of sewage sludge; the method of the invention is simple, energy-saving and resources-saving and the density rank of the ceramsite is 300-700. The ceramsite of the invention can be widely applied in lightweight aggregate bricks, lightweight aggregate sheet materials, lightweight aggregate concrete, etc. and can also be taken as the filter material of sewage treatment, the water-retaining agent in cultivation, etc.
Owner:重庆三益污泥处理有限公司 +1

Catalyst for preparing ethanol through hydrogenation of acetic acid as well as preparation method and application thereof

The invention belongs to the technical fields of a catalyst for preparing ethanol through catalytic hydrogenation of acetic acid and application thereof and aims at providing a catalyst for synthesizing ethanol through efficient catalysis and hydrogenation of acetic acid as well as a preparation method and application thereof. The adopted technical scheme is as follows: the catalyst for preparing ethanol through catalytic hydrogenation of acetic acid comprises an active component and a carrier, wherein the active component consists of a first active component and a second active component; the first active component comprises VIII noble metals such as Pd, Pt, Ru and Rh and metal oxides such as MoO3, WO3, CuO and Re2O7; the second active component comprises one of Zn, Cr, Sn, Co, Ni, Ce and OsO4; and the carrier is one of SiO2, Al2O3 and activated carbon. According to the invention, ethanol is synthesized by hydrogenation of acetic acid; two groups of active metals are used as a co-catalyst for concerted catalysis; the noble metals are reduced or not used in the preparation of the catalyst; and in the hydrogenation reaction of acetic acid, the reaction activity is extremely good and the selectivity is high.
Owner:山西盛驰科技有限公司

A kind of preparation method of water-absorbent resin plugging agent

The invention relates to a preparation method of an absorbent resin plugging agent, belonging to the technical field of oilfield chemistry. The preparation method comprises the following steps: (1) dissolving a monomer A with water to obtain a solution with a certain concentration, regulating the pH of the solution to be neutral, adding a crosslinking agent, an initiator and a powdery inorganic filling material, evenly stirring and then standing, and reacting at room temperature so as to obtain a block resin; and (2) shearing the resin into small blocks, soaking the sheared resin blocks in the solution containing a monomer B, the initiator and the crosslinking agent, taking out the resin blocks after getting saturated, heating to initiate polymerization so as to obtain the absorbent resinplugging agent. The preparation method is simple in process and convenient to operate; the obtained product has extremely good viscoelasticity and flexibility, the compression strength of the obtained product reaches 20MPa and is more than then times or scores of times that of common absorbent resin plugging agents, the water absorption multiple of the obtained product is 3-30 times; and the absorbent resin plugging agent prepared by the method in the invention can bear a high temperature of 150 DEG C for a long term, and can be used for plugging operations of a deep well and a super-deep well in the petroleum drilling process.
Owner:CHINA PETROCHEMICAL CORP +1

Rubber composition with good color fastness for colored tire sidewalls

The invention provides a rubber composition with good color fastness for colored tire sidewalls. The rubber composition comprises the following materials in parts by weight: 100 parts of matrix rubber, 30-40 parts of an active filler, 20-30 parts of a coloring filler, 5-7 parts of paraffin oil, 5-7 parts of an activator, 2-3 parts of a silane coupling agent, 1-2 parts of light-color tackifying resin, 4-6 parts of a non-staining antioxidant, 1-12 parts of a vulcanizer, 3-5 parts of a promoter, 3-6 parts of an organic coloring agent and 1-2 parts of an ultraviolet light absorber. A sidewall prepared from the rubber composition has a bright color and relatively good color fastness; and a tire with a dark-color sidewall is free from discoloring within one year under strong sunlight illumination or in a damp and hot environment, and even a tire with a light-color sidewall is free from obvious discoloring within three months under strong sunlight illumination or in a damp and hot environment. The sidewall prepared from the composition has higher tearing resistance, approximate flexing resistance and aging resistance than a black sidewall. Compared with a general colored sidewall, the sidewall prepared from the composition maintains extremely good color fastness under severe working conditions of strong sunlight illumination, dampness and heat.
Owner:双星东风轮胎有限公司

Preparation for low molecular weight hydroxy-terminated polybutadiene

The invention provides a method for preparing hydroxyl-terminated polybutadiene of low molecular weight. The method adopts butadiene as a monomer, lithium alkylide of aliphatic series which contains silane protecting hydroxyl as an evocating agent, an organic non-polar compound as a solvent, an epoxy compound as an end capping reagent and fluoride as a detaching reagent for protecting groups. Anion polymer technology is adopted and polymerization is carried out at a temperature of 20 to 80 DEG C in the environment of inert gases; a prepolymer obtained goes through acid hydrolysis and a series of hydroxyl-terminated polybutadiene fluid rubber with narrow molecular distribution and controllable molecular weight is obtained. In the process of preparing hydroxyl-terminated polybutadiene polymer of the invention, the polymer does not encounter with a fake gel phenomenon during the process of end capping and detaching protecting group and the polymerization process is easy for control; the micro-structure of molecular chains is adjustable and controllable. The obtained hydroxyl-terminated polybutadiene has a molecular weight distributing index less than or equal to 1.2; the average functionality is close to 2; the cured products of hydroxyl-terminated polybutadiene have extremely good mechanical property and can be applied to the fields of rocket technology, optical fiber communication technology, etc.
Owner:SINOPEC LANZHOU GASOLINEEUM CHEM IND CORP

Biomass polyester short fiber and preparation method thereof

The invention discloses a biomass polyester short fiber and a preparation method thereof. The preparation method comprises the following steps of: mixing terephthalic acid and biomass mixed polyatomic alcohol in a molar ratio of 1:1.05-1:1.5 to form slurry, and performing esterification and condensation polymerization to obtain a biomass polyester chip, wherein biomass multi-component polyatomic alcohol comprises 90 to 99.2 weight percent of ethylene glycol, 0.4 to 5 weight percent of 1,2-propylene glycol, 0.2 to 2 weight percent of 1,2-butanediol, 0.1 to 2 weight percent of pentanediol and 0.1 to 1 weight percent of sorbitol; and processing the biomass polyester chip by using the conventional polyester spinning equipment to obtain the environment-friendly biomass polyester short fiber, wherein a specified process parameter is controlled in the process. The raw material chip of the environment-friendly biomass polyester short fiber is derived from biomass, so that the dependence on petroleum resources is reduced, and an intense situation of energy sources is relieved. A biomass dibasic alcohol component is fixed, so that the prepared biomass polyester short fiber has stable and controllable quality, extremely good printing and dyeing effects and a wide application field, and is high in hydrophilcity, flexibility, washing fastness and ironing fastness.
Owner:QUANZHOU HAITIAN MATERIAL TECH CORP

Composite functional nanosphere with polymer wrapping hydrophobic nano grains and preparation method of composite functional nanosphere

The invention discloses a composite functional nanosphere with polymer wrapping hydrophobic nano grains and a preparation method of the composite functional nanosphere with polymer wrapping hydrophobic nano grains, belonging to the technical field of biologic medical application type organic/inorganic composite advanced nano material preparation process. The emulsion polymerization technology is adopted, and the wrap nano grains are wrapped into the polymer, thereby obtaining the composite functional nanosphere which is good in water-solubility and monodisperse and in which the hydrophobic nano grains are wrapped by the polymer. The grain size of the composite functional nanosphere obtained can be adjusted within the range of 100-150nm effectively; and the grain size is distributed uniformly; the nanosphere is stable in water for long time, is strong in hydrophily, extremely good in biocompatibility, and has single function or multiple functions of fluorescence, magnetism, up-conversion and low-conversion light emission, magnetism and fluorescence and the like, so that the nanosphere has an important application meaning in hydrophilic systems in biomedicine such as biosensor, magnetic separation, cell imaging, medical diagnosis and the like, and the nanosphere is relatively low in synthesis cost.
Owner:BEIJING UNIV OF CHEM TECH

Preparation method for spiced dried bean curds

The invention discloses a preparation method for spiced dried bean curds. The preparation method comprises the following steps: (1) chopping; (2) pulp making; (3) marinating (the former braised food); (4) refrigerating and sizing; (5) slicing; (6) marinating and stewing (the later braised food); (7) drying; (8) packaging; and (9) sterilizing. According to the preparation method, the dried bean curds are prepared from soybean isolate proteins, so that the working procedures of conventional dried bean curd preparation are reduced, emission of wastewater is avoided, resources are saved, and the cost is reduced. In the soybean protein chopping process, aniseed oil, five-spice powder, black pepper powder and Chinese prickly ash water are added, so that the interior braised food can be advanced; by adding of the aniseed oil, the five-spice powder, the black pepper powder and the Chinese prickly ash water, the dried bean curds have extremely good spiced flavor and mellow fragrance; the subsequent blanks are marinated and dried to obtain the spiced dried bean curds. By use of the soybean isolate proteins for preparing the dried bean curds, the working procedures of conventional dried bean curd preparation are reduced, and the product quality is controlled; furthermore, the taste is dominant, and the spiced dried bean curds are uniquely chewy and have the elastic taste.
Owner:SCENTS HLDG CO LTD

Trusted measurement system and method for cloud hosts

The invention provides a trusted measurement system and method for cloud hosts. According to the system and method, a virtual trusted platform module is configured in virtual environment, trusted measurement is carried out on physical environment through a trusted platform module, trusted measurement is carried out on the virtual environment through the virtual trusted platform module, and a complete trusted chain from a physical machine to a virtual machine is constructed, so that trusted completeness verification for the physical environment and the virtual environment of a cloud host can berealized; and the constructed trusted chain does not depend on the trusted platform module of the physical machine, so that when the virtual machine is migrated, a space for storing measurement values of the virtual machine is divided in a virtual PCR register of a target host machine, measurement values of the physical machine of the target host machine are copied to a corresponding bit of the virtual PCR register, and when the virtual machine is started, the virtual machine is measured and the measurement value is stored in the corresponding bit of the virtual PCR register, so as to complete trusted chain reconstruction of the migrated virtual machine. The system and method are extremely good in transportability and can be widely applied to cloud computation platforms.
Owner:DATANG GAOHONG XINAN ZHEJIANG INFORMATION TECH CO LTD

Near-field surface plasmon complex amplitude modulation method based on metasurface

ActiveCN107229137AModulation arbitraryRealize Simultaneous ModulationNon-linear opticsComplex amplitudeExtremely good
The invention discloses a near-field surface plasmon complex amplitude modulation method based on metasurface, and belongs to the field of micro and nano optics. According to the method, the Berry phase principle is utilized, by adjusting the nano rectangular hole lengths and the orientation angles in all isomeric nano rectangular hole arrays in every cycle simultaneously, the discretized amplitude of a target optical field and phase information are obtained, therefore a surface plasmon is activated, arbitrary complex amplitude regulation is conducted on the surface plasmon in the sub-wavelength, and complex optical field distribution and propagation in the surface are achieved. The invention mainly aims at achieving the technical purpose of providing the near-field complex amplitude modulation method based on the metasurface which can activate the surface plasmon, conduct arbitrary complex amplitude regulation on the surface plasmon in the sub-wavelength and achieve the complex optical field distribution and propagation. The near-field surface plasmon complex amplitude modulation method based on the metasurface can arbitrarily modulate the amplitude and phase of the near-field surface plasmon, and has extremely good application value in the fields of surface wave beam shaping, an integrated electron-optical system, surface wave holography and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Method for treating waste pollutants in pig farm

The invention discloses a method for treating waste pollutants in a pig farm. The method comprises the following steps of: A, performing anaerobic treatment on a biogas generating pit, namely building the biogas generating pit, performing anaerobic treatment on waste pollutants, which enter the biogas generating pit, in the pig farm, and killing parasites and pathogenic microorganisms through anaerobic fermentation, wherein the chemical oxygen demand (COD) content is reduced, and the normal growth of aquatic plants in a wet land is facilitated; B, performing primary ecological wet land treatment, namely planting green watermifoil, growing the green watermifoil, absorbing nitrogen and phosphorus, harvesting the watermifoil as materials covering a tea yard and a fruit yard; C, treating secondary wet land treatment, namely planting perennial bengal waterdropwort herb in winter, planting aquatic water spinach in summer, and harvesting the water spinach and the perennial bengal waterdropwort herb from the wet land each year; D, treating a tertiary economical wet land, namely planting perennial bengal waterdropwort herb in windter, planting lotus root in summer, putting natural crucians into the wet land, and harvesting the lotus root, the bengal waterdropwort herb and water products from the wet land each year. The construction cost and the running cost are low; the method is easy to operate; the nitrogen, the phosphorus and the COD (Chemical Oxygen Demand) in the waste in the pig farm can be greatly treated; and the method is extremely good in popularization and application prospect.
Owner:大长江环境工程技术有限责任公司
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