29results about How to "High concentration" patented technology

The invention discloses a rotor structure and an inner cylinder structure of a sand mill. A plurality of grinding blocks and first bulges are arranged on the outer wall surface of the rotor structure; the grinding blocks and the first protrusions are arranged on the outer wall face of the rotor structure in a crossed mode in the circumferential direction and the axial direction of the rotor structure. Each grinding block is provided with four side faces and a top face, the first side face faces the first end of the grinding cavity, the second side face faces the second end of the grinding cavity, and the third side face is a slope face and obliquely faces the grinding block axially adjacent to the grinding block. In the grinding blocks distributed on the outer wall face of the rotor structure in the axial direction, the normal directions of the third side faces of at least one pair of adjacent grinding blocks intersect, and the intersection point is located between the pair of adjacent grinding blocks; a plurality of oval third protrusions are arranged on the inner wall face of the inner cylinder structure. According to the sand mill, the collision frequency between grinding media and between the grinding media and the wall face of the inner cylinder can be increased, the uniformity degree of materials in the grinding cavity is improved, and the grinding and smashing efficiency of the sand mill is improved.

The invention discloses a quick self-cleaning fish bucket culture pond which comprises a fish bucket pond, the fish bucket pond comprises a cylindrical bucket body and an inverted-cone-shaped bucket bottom, a sewage discharge pipe is arranged at the bottom of the inverted-cone-shaped bucket bottom, a water discharge pipe is arranged on the lower portion of the cylindrical bucket body, and a plurality of water pushing pipes are arranged on the outer side of the fish bucket pond. The bottom of the water pushing pipe is connected with an external water inlet pipe, a sewage draining siphon device is arranged in the middle of the fish barrel pool, and an opening is formed in the center of the bottom of the inverted-cone-shaped barrel bottom. Through the design of the cylindrical-conical combined working area of the fish bucket culture pond, the water pushing pipe and the pollution discharge siphon device of the fish bucket pond, fish excrement and residual feed can be quickly sucked, discharged and separated from culture water, and conversion of solid organic pollutants into water-soluble pollutants in the water is greatly reduced; meanwhile, a culture area and a pollutant precipitation and solid-liquid separation area generated in culture are combined into a whole, so that the construction space and the construction cost are greatly saved.

The invention relates to a refrigerant system (2) for an electric vehicle, comprising the following components: a compressor (4), at least one condenser (6, 8), at least one decompression device (10, 12) and an evaporator (14), which interact in the form of a heat pump in the operating state of the refrigerant system (2), characterized in that the compressor (4), the at least one condenser (6, 8), the at least one decompression device (10, 12) and the evaporator (14) are connected to the compressor (4). The refrigerant system (2) is provided with a distribution module (20) which is used for connecting the components in a flow guiding mode and is used for distributing the refrigerant circulating in the refrigerant system (2). The distribution module (20) has a first module part (22) which is fluidically arranged between a compressor outlet of the compressor (4) and a condenser inlet of the at least one condenser (6, 8) and a second module part (24) which is fluidically arranged between a condenser outlet of the at least one condenser (6, 8) and a compressor inlet of the compressor (4), the first module part (22) is substantially thermally insulated from the second module part (24) by means of at least one insulating part (26) of the distribution module (20).

The present application relates to a kind of grinding rotor, including top wall, and with top wall connection side wall, grinding rotor inside is opened with grinding inner cavity, the outer periphery of side wall is provided with multiple grinding bars, the cross-sectional area of grinding bar is along the decreasing trend of grinding rotor radial direction from inside to outside, at least part grinding bar is provided with first inclined plane in the face side along the direction of rotation of grinding rotor, first inclined plane is arranged with horizontal plane angle;Side wall is provided with several heterodirectional variable-diameter channels, each heterodirectional variable-diameter channel is gradually tapered from inside to outside, each heterodirectional variable-diameter channel includes top surface, first side, bottom surface and second side connected in sequence, top surface and bottom surface are arranged with angle between them. Through the design of grinding bar and heterodirectional variable-diameter channel and cooperate with separating wheel assembly, avoid forming grinding dead zone in grinding cavity, and effectively improve the grinding efficiency and grinding uniformity.The present application also relates to vertical nanometer sand mill with the grinding rotor.

The present invention relates to an antibody directed against a vascular endothelial growth factor (VEGF / VEGF-A) and angiopoietin-2 (ANG-2), respectively, a bispecific binding molecule (e.g., an antibody) directed against the vascular endothelial growth factor (VEGF / VEGF-A) and angiopoietin-2 (ANG-2) simultaneously, a preparation method therefor, a pharmaceutical composition comprising the antibody or molecule, and use thereof.

The invention relates to the technical field of juicing and concentration, in particular to a raw material concentration device for fig beverage production, which comprises a conveying pipeline, the conveying pipeline is used for conveying fig liquid medicine, and a vacuum concentration mechanism, a filtering mechanism, a homogenizing mechanism, an instant sterilization mechanism and a sterile tank are sequentially arranged on the conveying pipeline. The vacuum concentration mechanism is used for introducing fig liquid medicine for cooking and concentrating the fig liquid medicine, the filtering mechanism is used for filtering fig residues and traditional Chinese medicine residues, the homogenizing mechanism is used for extruding, strongly impacting and expanding the fig liquid medicine under pressure, and the instantaneous sterilization mechanism is used for sterilizing the fig liquid medicine at high temperature. And the sterile tank is used for introducing finished fig liquid medicine. The fig cooking and concentrating device realizes effective concentration, filtration, homogenization, instantaneous sterilization and sterile storage of fig liquid medicine. Efficient concentration is achieved by conducting decompression and vacuumizing on the liquid medicine, fig residues and traditional Chinese medicine residues are effectively separated through the filtering mechanism, and production of the fig liquid medicine can be completed in the automatic process.

The application relates to the technical field of catalyst materials, in particular to a preparation method and application of a catalyst for synthesizing dimethyl carbonate from carbon dioxide and methanol; the method comprises the following steps: A, poloxamer is configured into a solution, HAc, NaClO4 and 1,3,5-trimethylbenzene are added into the solution and uniformly mixed to obtain a mixture; B, (NH4)2Ce(NO3)6 and H2BDC are added into the mixed solution in step A, the obtained solid after reaction is centrifugally separated, washed, soaked and dried to obtain a primary product, and finally the catalyst is obtained through calcination; in the application, HF-UiO-66 is synthesized by taking F127 as a template agent and taking 1,3,5-trimethylbenzene (TMB) as an expanding agent; the derivative HF-CeO2 catalyst with different TMB adding amounts is prepared through calcination; the adding of the expanding agent greatly increases the specific surface area of the catalyst, the CeO2 crystal grains generated through calcination are small, the number of acid-base sites is greatly increased, and therefore the catalyst has the largest catalytic activity, and the DMC yield reaches 12.02 mmol DMC / g cat .

A foaming process using a carbon dioxide solution, comprising: adding a parison into a carbon dioxide solution for primary foaming, taking out, and performing secondary foaming to obtain a cellular product. A polar liquid system is used for foaming; compared with direct foaming by using a high-pressure gas, a high-foaming ratio and uniform cellular structure can be obtained more quickly, and even for a highly crystalline polymer, a good foaming effect is achieved. Controlling changes of temperature and pressure after carbon dioxide is introduced can first control the impact and penetration of carbon dioxide on the surface of the cross-linked material, and further increase of the pressure and temperature promotes increase of the solubility of carbon dioxide in the polar system, so as to promote saturation of carbon dioxide in the polymer more quickly, thereby promoting formation of a high-foaming ratio and uniform cellular structure in the subsequent heating and foaming process.

This utility model discloses an MVR evaporator crystallizer, including a support, a filtration mechanism, and a preheating mechanism. The support has the evaporator crystallization mechanism at its front end and a centrifugal pump at its lower end. The filtration mechanism includes a filter box, a spiral blade shaft, a filter cylinder, and a collection box. The filter box is located at the rear of the lower end of the support, and the collection box is located at the right end of the filter box. An inclined filter cylinder is fixedly connected to the upper left side wall of the filter box. The right end of the filter cylinder is open and connected to the collection box. A connection port is located at the upper left end of the filter cylinder. A spiral blade shaft is rotatably connected inside the filter cylinder, and the bolts on the spiral blade shaft contact the inner wall of the filter cylinder. The inlet of the centrifugal pump is connected to the lower end of the filter box via a connecting pipe. This MVR evaporator crystallizer reduces maintenance frequency through pretreatment filtration and reduces steam consumption through preheating.

An orally disintegrating nicotine tablet for nicotine craving relief is disclosed, the tablet comprising a pressed powder formulation, the tablet being designed to disintegrate within a period of less than 60 seconds upon oral administration, the powder formulation comprising an amount of nicotine, a pH regulating agent, at least one polyol, and a disintegrant, wherein the polyol comprises more than 40% by weight of the tablet, and wherein the pH regulating agent is an alkaline pH regulating agent.

This specification provides an electronic device, which relates to the technical field of lighting devices. In the electronic device provided in the embodiment of this specification, the light incident surface and the light emitting surface of the light guide are set as non-parallel surfaces. The light incident surface is set at an end of the light emitting surface close to the center of the shell and faces the center of the shell. Therefore, the light incident surface is closer to the center of the shell than the light emitting surface. The light source is opposite to the light incident surface. Therefore, the light source can be closer to the center of the shell.

An object is to provide at least one of a multilayer film structure having high crystallinity and high flatness and a method for producing the multilayer film structure and is further to provide at least one of a multilayer film structure that includes a SiC substrate and a nitride-based film formed on the substrate by a sputtering process and that can be applied to power devices and a method for producing the multilayer film structure. A multilayer film structure includes a SiC substrate and a film disposed on the SiC substrate and containing a nitride-based material at least containing Ga, wherein the multilayer film structure has an off-angle of 0.03° or more and 8° or less with respect to a Silicon face of a (0001) plane of a SiC single crystal forming the SiC substrate and the film containing the nitride-based material has a C content of 2 × 1019 atoms / cm3 or less and a Cl content of 2 × 1018 atoms / cm3 or less.

A morphinan derivative represented by the following general formula (I): (wherein R1 represents hydrogen, C1-10 alkyl, cycloalkylalkyl where the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms, etc., R2 represents heterocyclic ring containing 1 to 4 heteroatoms selected from N, O and S and at least one carbon atom as ring-constituting atoms, containing at least one set of adjacent ring-constituting atoms bound by a double bond, and further substituted with at least one oxo group, Y binds to a carbon atom as a ring-constituting atom of R2, R3, R4, and R5 represent hydrogen; hydroxy, etc., R6a and R6b represent hydrogen, etc., R7 and R8 represent hydrogen, etc., R9 and R10, which are the same or different, represent hydrogen, etc., X represents O or CH2, and Y represents C(=O)), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof is used as an anxiolytic drug, antidepressant, etc.

The present invention provides a method for efficiently obtaining a high-quality product. The present invention relates to a method for producing an easily polymerizable compound, the method using a purification apparatus including a wash column and at least one of a crystallization tank or a ripening tank, the crystallization tank forming easily polymerizable compound crystals from an easily polymerizable compound-containing solution or a mother liquor in an easily polymerizable compound crystal-containing slurry, the ripening tank growing the easily polymerizable compound crystals, the purification apparatus further including a line that includes a bend having a ratio R / D of radius R of curvature to line inner diameter D of more than 4 and not more than 10 and that is connected to at least one selected from the group consisting of the crystallization tank, the ripening tank, and the wash column, the method including sending the easily polymerizable compound crystal-containing slurry through the line.

This application provides an in-vehicle sensing device, a control method, a control device, and a terminal device. The in-vehicle sensing device includes a sunshade and a light sensor. The opening of the sunshade faces the vehicle's glass, and the light sensor is mounted on the sunshade. Light is transmitted to the light sensor through the vehicle's glass and the opening of the sunshade, forming a sensing space between the light sensor and the vehicle's glass. A dehumidifying element is installed on the sunshade to remove moisture from the sensing space. This in-vehicle sensing device integrates a dehumidifying element, which dehumidifies the sensing space between the light sensor and the vehicle's glass, reducing the probability of frost or fogging on the vehicle's glass caused by temperature differences between the vehicle's interior and exterior. This helps improve the in-vehicle sensing device's perception of the external environment, thereby ensuring the normal operation of the vehicle's intelligent driving system.

An aqueous coating composition for automotive exterior, the aqueous coating composition containing resin particles (A), a crosslinking agent (B), a pigment (C), and a nanocellulose (D). In the aqueous coating composition, a content of the nanocellulose (D) is 0.5 to 2.0 parts by mass in terms of solid content with respect to 100 parts by mass of a resin solid content in the coating, a solid content concentration of the coating composition is in a range from 45 to 65 mass%, and a viscosity of the coating composition measured by a Brookfield-type viscometer under measurement conditions of a temperature of 20°C and a rotor rotation speed of 60 rpm is in a range from 350 to 1200 mPa·s.

The present invention relates to a Corynebacterium glutamicum mutant strain having increased L-citrulline productivity and a method of producing L-citrulline using the same. The Corynebacterium glutamicum mutant strain is capable of producing L-citrulline in high yield and high concentration because the activity of the transport protein that is expressed by the NCgl2816 gene therein has been weakened or inactivated.

Provided are a uricase activator and a uricase activation method which are capable of highly activating uricase. Also provided are a uric acid measurement reagent and a uric acid measurement method which have a wide measurable concentration range. Further provided are a uricase activator comprising hydroxyisourate hydrolase, and a uric acid measurement reagent for use in measuring a uric acid concentration in a sample collected from a living body, comprising uricase and hydroxyisourate.

To provide a production method and a production apparatus of a sodium hypochlorite solution that can produce a sodium hypochlorite solution with a high available chlorine concentration at a low cost using an on-site facility. In production of a sodium hypochlorite solution by feeding secondary salt water as an aqueous sodium chloride solution, in an electrolyzer 10 comparted into an anode chamber 2 and a cathode chamber 3 by an ion-exchange membrane 1, to the anode chamber and, after electrolysis, introducing an anolyte and a generated chlorine gas in the anode chamber and an aqueous sodium hydroxide solution generated in the cathode chamber into a reaction tank 20 to allow the anolyte, the chlorine gas, and the generated aqueous sodium hydroxide solution as a catholyte to react in the reaction tank, a primary salt water generation step of dissolving raw salt G containing sodium chloride as a main component in purified water B to generate primary salt water, and a chelating step of chelating the primary salt water to generate secondary salt water A are included, in which a decomposition rate of salt ranges from 80 to 95%.

There is provided a photochromic compound represented by the following General Formula 1. In General Formula 1, R1 and R2 are bonded to each other to form a ring structure together with the carbon atom at position 13 of indeno-fused naphthopyran, R3 to R6 each independently represent a hydrogen atom or an electron-attracting group, and one or more of R3 to R6 represent an electron-attracting group, R8 and R9 each independently represent a hydrogen atom or an electron-donating group, and at least one of R8 and R9 represents an electron-donating group, R7, R10, A and A' each independently represent a hydrogen atom or a substituent.

The disclosure aims to provide an alcohol production method that can successfully reduce the amount of solvents used, reduce the environmental load and cost, and produce an alcohol at high concentration and in high yield. The alcohol production method includes a step (1) of reacting a compound (1) represented by the formula (1) and a metal hydride compound under conditions where at least one solvent selected from the group consisting of water and a C3 or higher protic solvent is present and the compound (1) is at a concentration of 1.0 mmol / g (amount of substance of compound (1) / total solvent amount) or higher to provide a compound (2) represented by the formula (2).

The application relates to the technical field of food processing equipment, and provides a stuffing feeding device for bread rolls, which comprises a supporting frame, a conveying belt, a butter feeding assembly and a dried meat floss feeding assembly, the conveying belt is rotationally connected to the supporting frame and is used for conveying bread, the butter feeding assembly is used for adding butter to the bread on the conveying belt, the dried meat floss feeding assembly is located on one side of the butter feeding assembly and is used for adding dried meat floss to the bread on the conveying belt, the dried meat floss feeding assembly comprises a material hopper, a conveying belt and a stirring and crushing rod, the material hopper is arranged on the supporting frame and is used for placing dried meat floss, the conveying belt is in communication with the outlet of the material hopper and is located above the conveying belt, and the conveying belt is used for conveying dried meat floss; and the stirring and crushing rod is rotationally connected above the surface of the conveying belt and is used for stirring and crushing the dried meat floss. The application has the effect of conveniently adding stuffing such as butter and dried meat floss on the surface of bread.

A drone for modifying air properties comprising : a body (2), an air ventilation mechanism (14, 15), an air circulation pathway, steering means (3), an air treatment portion (11, 12, 13) adapted for modifying air properties, arranged along the air circulation pathway, a processor (4) configured to control the steering means and the air ventilation mechanism. The processor is adapted to receive an instruction to modify air properties. The processor controls the steering means and controls the air ventilation mechanism based on the instruction, so that the drone navigates through air in the environment and the ventilation mechanism creates a circulation of air through the air treatment portion.

The application discloses a strain HC7-4 capable of degrading perchlorate and coupling oxygen production and an application thereof, and belongs to the technical field of biotechnology.The strain HC7-4 is preserved in the China General Microbiological Culture Collection Center on October 11, 2022; the address of the preservation unit is No.3, Xibei Road, Beichen, Chaoyang District, Beijing; and the preservation number is CGMCC No.25888.The strain CH4-7 has strong adaptability, is easy to cultivate, has strong resistance to stress environments such as low temperature, drought and ultraviolet radiation, and the strain and its metabolic polymers can efficiently degrade perchlorate and simultaneously couple oxygen production, and have a degrading effect on perchlorate with a mass concentration of 0.10% to 2.00%.The strain can be applied to the bioremediation of perchlorate-polluted water bodies and other contaminated sites, and can be used as an alternative germplasm resource for perchlorate biodegradation and coupling oxygen production in the creation of a habitable environment on Mars.

The invention belongs to the technical field of PET optical film materials, and particularly relates to a polyester master batch suitable for a low-roughness PET optical film as well as a preparation method and application of the polyester master batch. The preparation method comprises the following steps: S1, respectively preparing a stabilizer dispersion liquid, a catalyst dispersion liquid and a silicon dioxide dispersion liquid for later use; s2, uniformly mixing terephthalic acid and ethylene glycol, and performing esterification reaction under the conditions of 240-255 DEG C and 0.3 MPa to obtain esterification liquid; when the collection amount of the esterified water reaches 90%, transferring the esterified liquid to a pre-polycondensation kettle; s3, a stabilizer dispersion liquid, a catalyst dispersion liquid and a silicon dioxide dispersion liquid are sequentially added into the esterification liquid, a pre-polycondensation reaction is carried out under the conditions that the temperature is 255-275 DEG C and the pressure is 10-100 kPa, an intermediate is obtained, and the reaction time is 30-45 min; the esterification liquid is always kept circulating in the pre-polycondensation reaction process; and S4, carrying out a final polycondensation reaction on the intermediate prepared by the pre-polycondensation reaction under the conditions of 275-285 DEG C and 30-50 PaA to obtain a melt, granulating the melt, and packaging to obtain the polyester master batch.

The present invention relates to the technical field of powder recovery and grinding, and in particular to a powder 3D printer recovery component with a grinding function, comprising: a main chamber, an edge strip installed at the bottom end of the main chamber, a plurality of pillars arrayed on the bottom surfaces of the main chamber and the edge strip, a plurality of universal wheels respectively installed at the bottoms of the pillars, and a collecting mechanism, a loosening and drying mechanism, a screening mechanism and a grinding mechanism sequentially arranged on the main chamber from top to bottom. The powder 3D printer recovery component with a grinding function integrates multiple functions in an orderly manner, greatly improving the concentration of the powder recovery process, thereby effectively shortening the length of the processing chain while ensuring the processing efficiency, so as to prevent the powder from being contaminated during the turnover process.

Disclosed in the present invention are an abiraterone derivative and preparation method thereof. The abiraterone derivative provided by the present invention shows relatively few abdominal distension phenomena with respect to abiraterone and has better drug effect and tolerance, and pharmacokinetic experiments show that the plasma concentration of M1 after intragastric administration of equal molar dose is significantly higher than that of abiraterone acetate. The prostate cancer inhibiting effect is obviously better than that of abiraterone, and the side effects on the gastrointestinal tract is smaller than that of abiraterone. A compound provided by the present invention also has the effect of treating acne.

A two-layer controlled-release oral preparation, which comprises a first ingredient as a quick-release layer and a second ingredient as a controlled-release layer, wherein the first ingredient comprises a xanthine derivative, and the second ingredient comprises a xanthine derivative and an enteric excipient. No more than 35% by weight of the xanthine derivative in the second ingredient is released within 90 min after in vitro elution, and 50% or more by weight of the xanthine derivative in the second ingredient is released within 3 h after in vitro elution.

The invention discloses a method for purifying perchlorate wastewater, which comprises adding a ferrous agent to high-concentration perchlorate wastewater, then adding a reducing agent to carry out stirring reaction, adjusting the pH value to 1-4 after the reaction to continue the reaction, obtaining a reduced liquid, adjusting the pH value of the reduced liquid to 6-10, filtering, obtaining a first filtrate and a first filter residue, filtering low-concentration perchlorate wastewater to obtain a second filtrate and a second filter residue, mixing the first filtrate and the second filtrate, adsorbing with an ion exchange resin, obtaining a treated liquid, wherein the concentration of perchlorate in the treated liquid is less than 0.07 mg / L, and the purification treatment is completed. The method of the invention can treat a wide range of perchlorate concentrations, has a good treatment effect, can stably meet the standards at a low cost, has no secondary pollution, is simple to regenerate the resin, and can realize the recycling of the agent.