48results about How to "Speed up the response" patented technology

The invention provides an acid-base bifunctional metal organic skeletal catalyst and a preparation method and an application thereof. The preparation steps are as follows: zirconium salt and 2-aminaterephthalic acid are dissolved in weakly acidic solution, and the obtained mixed solution is uniformly dispersed under an ultrasonic condition, and reacts in water bath; after reaction, the product is filtered, collected and washed; after the washed product is immersed in low-boiling point solvent, filtration is carried out, vacuum drying is then carried out, and thereby a UiO-66-NH2 material is obtained; trichloromethane solution which contains 1,3-propane sultone is prepared, added with the prepared UiO-66-NH2 material and heated in water bath to react, and the prepared solid product is then centrifugally separated and washed by using Soxhlet extraction; the obtained solid material is put into a vacuum drying oven, and thereby the acid-base bifunctional metal organic skeletal catalyst is obtained. The process of preparing the product is simple, the preparation cost is low, the acid-base bifunctional metal organic skeletal catalyst is used in the preparation of 5-hydroxymethylfurfural by one-step catalysis of dextrose, the reaction progress is accelerated, and the reaction process is simplified.

The invention relates to a method for preparing abiraterone which is a key intermediate of abiraterone acetate serving as a medicament for treating prostatic cancer and a method for preparing the abiraterone acetate by using the intermediate thereof. The methods are simple in processes, and the products have high purity and low content of impurities.

The invention provides a method for manufacturing bamboo fibers. The method comprises the following steps of: 1) rolling: rolling to crack a bamboo chip to ensure that the bamboo fibers are possibly dispersed; 2) dipping: putting the bamboo chip into a reaction kettle, and mixing with a proper amount of reactant for 10 to 90 minutes to remove lignin, polysaccharide, colloid and protein on the surface of the bamboo fiber; 3) defibering: reducing the pressure instantaneously to standard atmospheric pressure to ensure that the bamboo chip is exploded in the reaction kettle and defibered to form a single-fiber bamboo chip; 4) cleaning: washing the bamboo fibers with hot water with the temperature of between 50 and 100 DEG C at least twice to remove byproducts from the surfaces of the bamboo fibers; 5) dewatering: drying the cleaned bamboo fibers to obtain a dry bamboo fiber finished product; and 6) cutting: cutting the bamboo fibers into bamboo fibers with a proper length. By adopting a physical instantaneous depressurized explosion mode and a chemical reaction reagent dipping mode, the bamboo chip is treated by steps, and the instantaneous depressurized explosion also accelerates thereacting speed of the chemical reagent and the bamboo chip to achieve the effect of quickly removing the lignin, the polysaccharide, the colloid and other substances from the surface of the bamboo chip.

A response of a disk device during rebuild can be sped up. A disk array control device determines whether or not there is a normal read request during rebuild. If there is a read request during rebuild, data is read by sequentially switching a plurality of disk devices in a certain block size unit lower than a block size in which each disk device reads data during normal read.

The invention relates to the technical field of data processing, in particular to a thermodynamic diagram data abbreviation method based on vector tiles. The method comprises the following steps: acquiring original vector data of a thermodynamic map; performing grid storage format conversion on the original vector data to obtain tile vector data; performing tile coordinate conversion on the tile vector data to generate vector tile data; and performing pixel aggregation on the vector tile data according to preset tile pixel precision so as to generate abbreviated data of the thermodynamic map.The vector data is converted into the vector tile data, so that the thermodynamic map can be subjected to block loading according to the tile grids, and the response speed is increased; the data volume for rendering the thermodynamic map is small; the thermodynamic map data is simple and quick to generate, high in loading performance and quick in response, and the user experience is improved.

The invention discloses a zinc oxide/nickel composite micron rod electrode material and a preparation method thereof. The method includes, preparing a precursor by taking a mixed solution of zinc nitrate, nickel nitrate and ethylenediamine as a raw material through a homogeneous precipitation method; and then calcining the precursor in a hydrogen argon mixed reduction atmosphere to prepare the zinc oxide/nickel composite micron rod material. The material has the advantages of high initial coulomb efficiency, high reversible capacity, good cycle stability and the like when the material is usedas a lithium ion battery cathode material.

The invention relates to the technical field of purification of protein polypeptide in peanut meal, in particular to purification equipment for protein polypeptide in peanut meal. The peanut meal is pretreated through a grinding box, condensed peanut meal is dispersed through a material dispersing mechanism, the peanut meal is ground into fine particles through a grinding mechanism, subsequent peanut meal and a solution are effectively mixed and react thoroughly, the extraction amount of the protein peptide is guaranteed, waste of peanut meal raw material is reduced, and the conversion rate isincreased; a turbine and a worm are matched to drive a reaction box to rotate, the reaction box drives the internal solution and the peanut meal to rotate and mix, and a mixing mechanism continuouslystirs the solution and the peanut meal, so that the mixing speed and the mixing uniformity are improved, the reaction time is shortened, and the mixing efficiency and the processing efficiency are improved; and a premixing box premixes the solution and peanut meal, a preheating layer preliminarily heats the solution and the peanut meal, the reaction speed is increased, the mixing time in the reaction box in the later period is shortened, and a solution box is arranged at the rear end of the grinding box, so that the interior of the premixing box is convenient to clean.

The invention relates to a preparation method of an oil fume high-efficiency purification additive, and belongs to the technical field of environment-friendly cleaning. The method has the advantages that spinach leaf boiling deionized water has a certain degreasing effect due to weak basicity, glycol ether can be dissolved in water and oil due to excellent dissolving capacity, and a surfactant hasexcellent compatibility and can rapidly dissolve contacted greasy dirt into a solvent; D-limonene in citrus peels has excellent dirt-removing power, triethanolamine can produce triethanolamine oleicsoap with oleic acid, produce triethanolamine sodium sulfonate with sodium dodecyl benzene sulfonate, and rapidly emulsification decomposition on greasy dirt; in addition, the reset unreacted triethanolamine can ensure that the purification additive continuously keep weak basicity, the triethanolamine can continuously perform neutral reaction with fatty acid, and the dirt-removing power is enhanced; the additive is good in water solubility, can rapidly emulsify greasy dirt, and is high in purification efficiency and low in damage to purification equipment.

The invention relates to the technical field of organic matter pyrolysis and activated carbon, in particular to an activated carbon preparation device which comprises a sealed hearth defined by a furnace wall, a furnace top and a furnace floor. The furnace floor moves in the horizontal extension direction of the furnace wall, and a layer of overhead distributing plates is fixed above the furnace floor. The hearth comprises a drying area, a carbonization area and an activation area which are sequentially arranged in the horizontal extension direction of the furnace wall. The drying area, the carbonization area and the activation area are separated through partition plates, and gaps are reserved between the partition plates and the distributing plates to be used for materials to pass. A plurality of radiation heating pipes are arranged in the drying area, the carbonization area and the activation area. An oxidizing gas channel communicated with the outside is arranged in the activation area. A plurality of overturning devices are arranged above distributing plates of the drying area, the carbonization area and the activation area and used for overturning the materials. According to the activated carbon preparation device, continuous production is achieved, and the activation efficiency is improved.

The present disclosure relates to a bipolar plate structure usable for a fuel cell, comprising: a substrate having a plurality of flow regions for a fluid thereon; a mesh structure having mesh holes,wherein the mesh structure is provided on the substrate and forms at least one of the plurality of flow regions, and protrusions are provided at connection portions of the mesh holes to increase flowresistance transverse to a direction of the protrusions.

The invention discloses a preparation method of polymer polyol. The preparation method comprises the following steps: 1) preparation of a mixture: adding acrylonitrile and azodiisobutyronitrile into an initiator dissolving tank, carrying out sufficient dissolving to obtain a mixture A, adding basic polyether and intermediate polyether into a mixture tank, adding styrene, acrylonitrile, the mixtureA and a chain transfer agent, and carrying out uniform mixing to obtain a mixture B; 2) graft polymerization: feeding the mixture B into a polymerization kettle for a polymerization reaction; 3) curing: allowing reacted materials in the polymerization kettle to overflow into a curing kettle for curing, and enabling the cured materials to enter a crude product storage tank; 4) monomer removal: conveying crude polymer polyol into a monomer removal kettle, carrying out vacuum treatment for 4-6 hours, and removing residual monomers and moisture; and 5) finished product inspection: sampling and analyzing a product in a finished product inspection tank. The method has the advantages of advanced and mature process, high conversion rate, good product quality and small influence on the environment.

The invention discloses a rectifying separation method for chlorinated benzene production. The rectifying separation method comprises the following specific steps: feeding chlorine and excessive anhydrous benzene into a chlorinator filled with an iron ring catalyst; controlling the reaction temperature at the boiling point of benzene, namely, setting the temperature to 80-90 DEG C; starting a stirrer for constant-speed and constant-temperature stirring to generate chloride liquid; washing an obtained chlorinated benzene solution by a washing tower, neutralizing by a neutralizing kettle, extracting in an extraction kettle, and distilling by a two-stage rectifying tower to obtain a finished product. The rectifying separation method for the chlorinated benzene production disclosed by the invention is a universal method of the rectifying separation technology for the chlorinated benzene production at home, and has the following main advantages: high-temperature continuous chlorination is realized; the conversion selectivity of chlorinated benzene is high, the slender chlorination reactor does not tend to cause material mixing return, and a small amount of benzene dichloride is generated; a distillation process is adopted for separation, the technology is mature and reliable, useful matters are recycled, the synthesis cost is saved, the economic benefits are increased, and the method conforms to the scientific concept of greenness, environmental protection and zero pollution.

The invention provides an energy-saving hydrogen decrepitation method. The method has the beneficial effects that hydrogen decrepitation is carried out on prepared rare earth alloy materials by adopting a plurality of hydrogen decrepitation mechanisms arranged on a guide rail; after one hydrogen decrepitation mechanism completes reaction, a rotary heating chamber used in the hydrogen decrepitation mechanism can be put into use in the next hydrogen decrepitation mechanism, so that not only can a reaction furnace be quickly heated and plenty of heat be saved but also the powder preparation efficiency is improved; a baffle is arranged on the heating chamber of each hydrogen decrepitation mechanism and is used for insulating the heating chamber when reaction is not carried out, thus being beneficial to saving the preheating time of the heating chamber and then reducing the energy costs of enterprises; after the rear hydrogen decrepitation mechanism completes reaction, the baffle of the rotary heating chamber and a baffle of a rear end heating chamber are closed via a travel switch installed on the rotary heating chamber and a travel switch installed on the rear end heating chamber, thus the heating reaction is completed; not only can heating be carried out quickly but also the powder preparation efficiency is improved by arranging the rotary heating chambers.

The invention relates to a preparation method of 1, 1, 1-tris (4-hydroxyphenyl) ethane, and the method comprises the following steps: taking phenol and 4-hydroxyacetophenone as raw materials, adding a water-carrying agent and a precipitating agent into a system before reaction, and taking solid superacid as a catalyst, and performing reacting and recrystallizing to obtain the 1, 1, 1-tris (4-hydroxyphenyl) ethane, wherein the solid superacid is a novel solid superacid Scat05 obtained by introducing a ZSM-5 molecular sieve into SO42-/TiO2. The precipitation agent and the water-carrying agent are added in advance, so that the reaction is carried out in a positive direction. The novel solid superacid Scat05 can effectively accelerate the reaction progress, is small in corrosion to equipment, is not easy to cause side reaction, and can be effectively separated from a product for recycling after reaction, so that the production cost and the three-waste treatment cost are saved. The operation process is simple and safe, the product yield is high, the production period is short, and the method is suitable for industrial application.

The invention discloses a preparation method of a polyester plasticizer as well as a product and application thereof. The method comprises the following steps: carrying out esterification reaction on a dihydric alcohol and binary acid mixture in a nitrogen atmosphere to obtain a prepolymer; adding lipase into the prepolymer for condensation polymerization to obtain a polyester crude product ; by taking a polyester crude product and polydimethylsiloxane as raw materials, carrying out grafting reaction under the action of a catalyst to obtain a modified polyester crude product; and separating and purifying the obtained modified polyester crude product to obtain the polyester plasticizer. The method has the advantages of greenness, environmental protection, less side reaction, less solvent consumption, small dispersion coefficient, simplicity in operation, controllable molecular weight and the like. The obtained polyester plasticizer has the characteristics of extraction resistance, migration resistance and no toxicity, and can significantly improve the mechanical properties and low temperature resistance of NBR.

The invention provides an energy-saving hydrogen decrepitation device for production of rare earth magnetic materials. A front hydrogen decrepitation mechanism, a middle hydrogen decrepitation mechanism and a rear hydrogen decrepitation mechanism are mounted on a guide rail. The front hydrogen decrepitation mechanism comprises a front heating chamber, a reaction furnace and a rotary heating chamber. The middle hydrogen decrepitation mechanism comprises a pair of rotary heating chambers and a reaction furnace. The rear hydrogen decrepitation mechanism comprises a rotary heating chamber, a reaction furnace and a rear heating chamber. Each reaction furnace is mounted on a reaction furnace mounting frame. A steady pin is arranged on each rotary heating chamber. One end of a connecting rod is fixed to each rotary heating chamber through the corresponding steady pin. The other end of each connecting rod is mounted on a corresponding sliding support. The sliding supports are arranged on the guide rail. Each sliding support is provided with a front sliding stop pin and a rear sliding stop pin. The internal structure of the front heating chamber, the internal structures of the rotary heating chambers and the internal structure of the rear heating chamber are identical. The front heating chamber is internally provided with heating pipes. The heating pipes are arranged on a heat insulation layer. A baffle is mounted on the outer side of the heat insulation layer. A travel switch is arranged on the baffle. Through arrangement of the rotary heating chambers, the energy-saving hydrogen decrepitation device can conduct heating rapidly, and meanwhile the powder manufacturing efficiency is also improved.