82 results about "Solid substance" patented technology

The invention provides a method for extracting and purifying long-chain dicarboxylic acid from fermentation liquor, which comprises the following steps: (1) controlling the pH value of the fermentation liquor to be less than or equal to 5 and the density to be 0.9-1.16 g / cm < 3 > to obtain a first solid-liquid mixture; (2) centrifuging the first solid-liquid mixture to obtain a second solid-liquid mixture of which the content of long-chain dibasic acid is greater than that of other solid substances and a third solid-liquid mixture of which the content of long-chain dibasic acid is smaller than that of long-chain dibasic acid in the second solid-liquid mixture; and (3) separating the second solid-liquid mixture to obtain the long-chain dicarboxylic acid. The method is simple to operate, low in equipment requirement and investment and high in treatment efficiency. And most thalli and impurities in the fermentation liquor are removed through centrifugal separation. And the obtained product has high purity and high product yield.

The invention belongs to the technical field of aerogel, and discloses MXene-based aerogel and a normal-pressure preparation method and application thereof.The preparation method comprises the steps that mixed dispersion liquid of chitosan and conductive filler is mixed with glutaraldehyde, standing and crosslinking are conducted, and hydrogel is obtained; in the hydrogel, the conductive filler accounts for 20-75% of the mass of a solid substance, the chitosan accounts for 15-55% of the mass of the solid substance, and the glutaraldehyde accounts for 1-20% of the mass of the solid substance; the filler is selected from MXene, a carbon nano tube, graphene, boron nitride or MOF (Metal Organic Framework); the hydrogel is frozen at the temperature ranging from-20 DEG C to-80 DEG C; and carrying out normal pressure drying on the frozen hydrogel at 25-80 DEG C to obtain the aerogel. The solvent exchange-free normal-pressure drying preparation process breaks through the limitation of solvent exchange on the size, the high cost of a large amount of solvent is saved, large-area extensible preparation can be realized on the basis of energy conservation and environmental protection, and meanwhile, the prepared aerogel has relatively high mechanical strength, and the application range is widened.

The invention relates to the field of silicon dioxide preparation, and particularly discloses a silicon dioxide anti-caking agent and a preparation method thereof. The preparation method of the silicon dioxide anti-caking agent comprises the following steps: adding a dispersing agent into a water glass solution, then introducing carbon dioxide into the water glass solution while stirring at the temperature of 50-90 DEG C at the introduction rate of 150-180mL / min, reacting until the pH value in the system is reduced to 10-10.5, adjusting the introduction rate of the carbon dioxide to 250-280mL / min, filtering, washing and drying to obtain the silicon dioxide anti-caking agent. The preparation method comprises the following steps: adding the silicon dioxide into a reaction kettle, reacting until the pH value in a system is reduced to 8.5-9, stopping the reaction, filtering to obtain a solid substance, washing and drying to obtain the silicon dioxide anti-caking agent with the specific surface area of 346-392 m < 2 > / g and the oil absorption value of 291-330 mL / 100g, and the silicon dioxide anti-caking agent can reduce the repose angle of a powdery substance by 43% or above through test detection and has very excellent anti-caking capability.

The invention discloses a preparation method of a soft magnetic powder core. The preparation method comprises the following steps: 1) preparing h-BN powder; 2) solution preparation: dispersing h-BN powder and a surfactant in a polar solvent, and performing ultrasonic or shearing treatment to obtain an h-BN mixed solution; (3) h-BN activation: adding the h-BN mixed solution into an acid solution, carrying out ultrasonic treatment, then washing to be neutral, and drying to obtain activated h-BN; 4) preparing a coating liquid: preparing a reaction liquid, and adding the activated h-BN; 5) mixing: mixing the coating liquid with the metal soft magnetic powder for 0.5-30 hours; 6) separation: separating the mixed liquid substance from the solid substance; (7) powder heating treatment is conducted, specifically, the separated solid matter is heated, and h-BN-coated metal soft magnetic powder is obtained; (8) powder mixing and forming; 9) heat treatment; (10) impregnation; and 11) curing. The invention has the advantages of simple preparation process, high magnetic property, high thermal conductivity, high corrosion resistance, high stability, safety and environmental protection.

A mixer attachment for use with a surgical hand piece includes a powder plate configured to contain a solid substance for combining with a liquid substance to form a combined substance. The mixer attachment further includes a plurality of mixing plates configured to mix the solid substance and the liquid substance in the combined substance, the plurality of mixing plates including: one or more channeled plates comprising one or more channels and one or more through holes configured to facilitate turbulent flow of the combined substance during mixing, and one or more flat plates comprising a central opening to direct flow of the combined substance between the one or more channeled plates.

The utility model relates to the technical field of mouse cage cleaning assemblies, in particular to a cleaning assembly for a mouse cage. According to the technical scheme, the cleaning device comprises a to-be-cleaned mouse cage body and a cleaning assembly used for adapting to cleaning of the mouse cage body. The cleaning assembly comprises an upper cover body and a brushing assembly. Wherein the upper cover main body comprises two groups of through holes formed in the upper cover main body, guide notches are formed in the two sides of the through holes, guide moving rods are installed in the guide notches in a sliding mode, the bottom ends of the guide moving rods are connected with pressing plates, and the top ends of the guide moving rods are connected with first connecting rods; and a second connecting rod is rotationally arranged in the through hole. The mouse cage brush is thorough in brushing, convenient and fast, reduces mouse odor, prevents water from splashing on the body, avoids the defects that a brush needs to be cleaned again and the like, is clean, sanitary and low in cost, can clean solid substances such as mouse excrement and the like quickly and simply, simplifies cleaning of the mouse excrement, and reduces the burden of breeders for cleaning the mouse cage.

The application discloses a synthesis method of ZSM-35 and ZSM-5 composite zeolite, the composite zeolite takes ZSM-35 as a core and takes ZSM-5 as a shell, and the synthesis method comprises the following steps: (1) uniformly mixing ZSM-35 zeolite, a silicon source, an aluminum source, a template agent, ammonium hydroxide, alcohol and water; then sequentially performing dynamic treatment and static treatment; then separating solid substances and drying the solid substances; (2) mixing the dried substances obtained in the step (1) with inorganic alkali and water, and evaporating water to prepare dry gel; (3) performing crystallization by adopting a gas phase crystallization method, and then performing separation, drying and calcination to obtain the composite zeolite. The ZSM-35 and ZSM-5 composite zeolite can keep the integrity and crystallinity of the ZSM-35 and ZSM-5 skeleton structures, and the core and the shell are combined closely, are not separated and are stable in structure.

The invention provides a method and apparatus for efficiently and accurately filling vials with gaseous materials such as a fluorinated gas, with or without concomitantly filling the vials with another liquid or solid material. Also provided is a filling system for simultaneously filling a vial with a gaseous material and a liquid material using the apparatus.

The utility model relates to the technical field of deep extraction boxes, and discloses an industrial deep extraction box which is provided with a buffer device and a stirring device, the buffer device is used for reducing shaking of the extraction box, and the stirring device is used for accelerating extraction efficiency. The device solves the problems that an existing extraction box often lacks an effective damping device in the extraction process, so that tiny shaking of the external environment can generate adverse effects on the extraction effect, however, a traditional extraction box generally does not have a damping function, and therefore the extraction process can be interfered even if slight vibration or shaking occurs, and the extraction efficiency is affected. In the prior art, the extraction efficiency and the quality of a product are affected, liquid in an extraction box is prone to generating an unstable flowing state due to shaking, the contact efficiency between an extraction agent and a target substance is reduced, the extraction rate and thoroughness are affected, and shaking possibly causes non-uniform mixing of solid substances and liquid in the extraction box, and the extraction purity is reduced.

1. Name of this design product: Paper cup (deer). 2. Purpose of the product of this design: It is used to hold liquid or solid substances and is a container. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom surface of this design product is difficult to see or cannot be seen during use, so the top view is omitted.

A closure cap is structured to carry and contain a granular or powdered solid substance. The cap includes a rotating sleeve that pierces a containment membrane, such as a foil seal, so as to release the solid substance into liquid container sealed by the cap. Significantly, this releasing action occurs through the natural rotation of the cap relative to the bottle, thereby providing the user with a familiar mechanism and without the need to separately measure or transfer the solid into the liquid.

The present invention relates to a capsule shell with two parts, a cap and a body, the two parts engage telescopically with each other, the capsule shell is used for storing solid substances in powder or granular form and shows a minimized leakage rate of powder when the capsule shell is filled with the solid substances in powder form and is closed.

1. The name of this design product: Paper Cup (Santa Claus). 2. Purpose of the product of this design: It is used to hold liquid or solid substances and is a container. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom surface of this product is not commonly seen, so the top view is omitted.

The invention relates to a preparation method of a soft magnetic composite material. The preparation method comprises the following steps: (1) preparing a coating plating solution; (2) preparing and treating a metal soft magnetic material: (2.1) preparing the metal soft magnetic material; (2.2) the metal soft magnetic material is subjected to oil removal and degreasing; (2.3) sensitization is carried out; (2.4) activating; (3) coating the solid substance II with the coating plating solution; (4) separating the coated metal soft magnetic material; (5) nitriding; (6) mixing powder: adding a lubricant and / or a forming agent and / or a secondary coating agent into the intermediate substance I to form an intermediate substance II; (7) forming: carrying out die forming on the intermediate substance II under the pressure of 500-2500MPa through a press machine to form an intermediate substance III; (8) heat treatment; (9) impregnation: immersing the intermediate substance IV into dimethyl acetate containing 10-90 vol% of epoxy resin, and enabling the epoxy resin liquid to permeate into pores of the intermediate substance IV to form an intermediate substance V; and (10) curing: curing the intermediate substance V in air at 150-250 DEG C for 10-300 minutes to obtain the soft magnetic composite material. The eddy-current loss is low.

Provided are an adsorbent which is capable of efficiently adsorbing a gas, a liquid, a solid substance or the like; and a gas adsorption method using the same.　This adsorbent contains an amine compound (A) and an acid (B), wherein the amine compound (A) is represented by following formula (I) or (II). (In the formula, Ra represents a linear or branched hydroxy hydrocarbon group having one or more hydroxyl groups and a hydrocarbon moiety having 1-22 carbon atoms, Rb represents a hydrogen atom or a hydrocarbon group having 1-22 carbon atoms, and c represents an integer of 1-3.) (In the formula, R1 represents an optionally substituted monovalent or divalent hydrocarbon group having 1-22 carbon atoms, R2 represents a hydrogen atom or an optionally substituted monovalent or divalent hydrocarbon group having 1-22 carbon atoms, R3 represents an optionally substituted divalent hydrocarbon group having 1-22 carbon atoms, l represents a number of 0-2, m represents a number of 0-2, and n represents 0 or 1, R1 and R2 may be combined to form a ring having 3-22 carbon atoms, and X represents a hydrogen atom or a monovalent cation.)

This mist collection system includes a mist supply device and a solidification device. The solidification device solidifies and stores mist that is obtained by atomizing a dispersion liquid containing particles and that is supplied from the mist supply device.

The invention disclosed herein provides methods for analyzing oil production properties of an oil well. Methods comprise comparing characteristics of one or more samples of solid material (e.g., petroleum cuttings) or fluids with a produced fluid. Comparative analyses can occur between samples collected within a single well or across two or more wells. Select compounds, such as hydrocarbons, and select relationship(s) between compounds such as ratios of directly measured compounds or, e.g., classes thereof, are typically used in the methods; select methods (e.g., gentle volatiles extraction) are typically used to derive the compounds; or both. In a first exemplary application, methods herein are used to identify locations of relatively higher likelihood of petroleum productivity within a well. In a second exemplary application, methods are used to identify the likelihood of shared source locations (provenance) between oil samples.

The present application provides a device (1) for dissolving in an aqueous liquid a substantially water-soluble substance, optionally comprising insoluble solid substances, and optionally for filtering the aqueous solution of the substantially water-soluble substance to remove the insoluble solid substances. The device (1) comprises: a container (2) for containing the aqueous liquid, wherein the inside of the container is divided into two separate compartments, a mixing compartment (12) and a filtering compartment (14), separated by a vertically positioned filtering screen (13) comprising a filter; mixing means positioned in the mixing compartment; an outlet (17) in the lower half of one of the walls of the mixing compartment (12) or in the base of the mixing compartment for removing the insoluble solid substances from the mixing compartment (12); a grid (4) positioned above the mixing compartment (12), the grid comprising means (5) for opening a bag positioned on or above the grid (4); and electronic means (20), optionally comprising a digital display, connected to a sensor (19).

To determine in advance the suitability of a combination of fuel oil and lubricating oil.SOLUTION: The method for determining the suitability of a combination of fuel oil and lubricating oil includes: a mixing step S120 of mixing a solid contained in incomplete-combustion products of the fuel oil with the lubricating oil; a heating step S130 of heating a solid-liquid mixture of the solid and the lubricating oil at a first temperature; and a first determination step S160 of determining the suitability of the combination of the fuel oil and the lubricating oil on the basis of a change in mass of the solid in the solid-liquid mixture caused by the heating at the first temperature.SELECTED DRAWING: Figure 3

The utility model belongs to the technical field of experimental appliances, particularly relates to an experimental injector, and aims to solve the problems that the reaction between solid substances or between solid substances and gas substances is troublesome to complete by using an injector and materials are inconvenient to put into the injector, and the technical scheme is as follows: the experimental injector comprises an injector tube, a connector tube is arranged at the bottom of the injector tube, the connector tube is communicated with the injector tube, a piston plate is connected into the injector tube in a sealed and sliding mode, and a movable tube is fixedly installed on the top of the piston plate. And solid substances can be prevented from falling off, so that operation can be conveniently carried out when the solid substances react with gas or the solid substances react with liquid substances.

The present invention addresses the problem of providing a solid that can be formed into a molded body which has excellent ozone resistance and is unlikely to develop cracks and blisters due to ozone and providing a molded body and a method for producing a solid.　A solid according to the present invention is a powdery or pellet-like solid which contains a copolymer that contains a unit A based on tetrafluoroethylene and a unit B based on a monomer represented by formula (1) (CF2=CF-O-Rf). The total number of functional groups represented by -CF=CF2, -CF2H, -COF, -COOH, -COOCH3, -CONH2, and -CH2OH is less than 150 per 106 main-chain carbon atoms in the copolymer, and the amount of outgas generated when the solid is heated at 300°C for 120 minutes is 100 mass ppb or less relative to the total mass of the solid, in terms of n-hexane.

The invention discloses a preparation method of a drift correction sample for X fluorescence analysis of a free acid-containing product in copper smelting, and belongs to the technical field of drift correction of an X fluorescence analyzer. The method comprises the following steps: (1) selecting a free acid-containing product generated in a copper smelting process, and adding the free acid-containing product into high-purity water to prepare slurry; (2) adding a saturated solution of alkali metal hydroxide or alkaline earth metal hydroxide into the slurry until the pH value is 6.8-7.2 to obtain a liquid mixture; (3) filtering the liquid mixture to obtain a solid substance; (4) drying, crushing and uniformly mixing the solid substance to obtain uniform powder; and (5) pressing the uniform powder into a circular sheet to obtain the drift correction sample. According to the method, the free acid is neutralized, so that the negative effects of corrosion of the free acid on the X fluorescence analyzer, aggravation of fracture damage, chemical component change and the like of the drift correction sample are avoided, and the drift correction accuracy and the drift correction sample stability are improved.

The application relates to the field of silica preparation, and particularly discloses a silica anti-caking agent and a preparation method thereof. A preparation method of a silica anti-caking agent comprises the following steps: adding a dispersing agent into a water glass solution, then stirring and introducing carbon dioxide into the water glass solution at a temperature of 50-90 DEG C, the introduction rate being 150-180 mL / min, the reaction being continued until the pH in the system is reduced to 10-10.5, the carbon dioxide introduction rate being adjusted to 250-280 mL / min, the reaction being continued until the pH in the system is reduced to 8.5-9, the reaction being stopped, the solid substance being filtered, washed, dried, and the silica anti-caking agent with a specific surface area of 346-392 m<2> / g and an oil absorption value of 291-330 mL / 100g being obtained, which can reduce the rest angle of powder substances by more than 43% through test detection, and has very excellent anti-caking capacity. 2 / g, and an oil absorption value of 291-330 mL / 100g, which can reduce the rest angle of powder substances by more than 43% through test detection, and has very excellent anti-caking capacity.

The present disclosure provides a delivery device comprising an outer tube, a middle tube, an inner tube and a push-pull rod which are sequentially sleeved. Through the operation of a user, the delivery device can be sequentially converted from a first state to a second state, a third state and a fourth state, thereby sequentially realizing the mixing of a solid substance or a drug and a delivery liquid which are preloaded in the delivery device and the delivery of the mixture.

1. Name of the designed product: packing bottle. 2. Use of the designed product: for storing liquid or solid substances. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view.

The invention discloses a falling film evaporator anti-blocking structure suitable for high-viscosity materials, and relates to the technical field of falling film evaporators.The falling film evaporator anti-blocking structure comprises a shell and a cover plate, three supporting legs are fixedly connected to the bottom of the shell in an annular array mode, and a material inlet, a steam inlet and a first concentrated solution outlet are formed in the right side of the outer surface of the shell; a drain outlet and a condensed water outlet are formed in the left side of the outer surface of the shell, and a concentrated solution outlet II is formed in the bottom of the shell. The possibility that solid substances are accumulated above the barrel is prevented through the arrangement of the conical surface, when liquid materials exist in the upper cavity, the liquid materials conveniently enter the barrel through the arrangement of the inlet, after entering, the liquid materials conveniently enter the barrel through the arrangement of the heating pipe, and the solid substances are effectively prevented from entering through the arrangement of the filter screen, so that the solid substances are effectively prevented from entering the barrel. In addition, the inlet is formed in the lower portion of the barrel and used in cooperation with the filter screen, so that solid matter is not prone to entering, and the anti-blocking performance is improved.

Embodiments of the present application disclose a solid substance identification method, device, equipment and storage medium. The method comprises: acquiring a plurality of actual Raman spectra of a solid substance and a Raman spectrum of at least one pure substance; analyzing the plurality of actual Raman spectra to obtain a target Raman spectrum of at least one to-be-measured substance; determining a matching degree of each of the to-be-measured substances and each of the pure substances according to the target Raman spectrum of the at least one to-be-measured substance and the Raman spectrum of the at least one pure substance; and determining that the solid substance comprises a target pure substance when a matching degree of a target to-be-measured substance in the at least one to-be-measured substance and the target pure substance in the at least one pure substance satisfies a preset threshold. The method provided in the embodiments of the present application can accurately identify the composition of the solid substance.

The present invention addresses the problem of providing: a solid material with which it is possible to form a molded body that has excellent ozone resistance and in which blisters due to ozone are unlikely to occur; a molded body; and a method for producing a solid material.　A solid material according to the present invention is in the form of a powder or pellets and contains a copolymer that comprises a unit A which is based on tetrafluoroethylene and a unit B which is based on a monomer that is selected from the group consisting of monomers represented by formula (1) (CF2=CF-O-(CF2)n-CF3) and monomers represented by formula (2) (CF2=CF-CF2-O-(CF2)n-CF3). The total number of functional groups of -CF=CF2, -CF2H, -COF, -COOH ,-COOCH3, -CONH2, and -CH2OH is less than 150 per 106 carbon atoms in the main chain of the copolymer, and the solid material does not substantially contain a compound represented by formula (3) (CF3-(CF2)n-1-COOH).

1. Name of the Design Product: Paper Cup (Snowman). 2. Use of the Design Product: For containing liquids or solid substances, and it is a kind of container. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1. 5. The bottom surface of the Design Product is a part that is not easily seen or not seen during use, and the bottom view is omitted.

A device for filtering a liquid, comprising a container (110) for holding the liquid (10), wherein the liquid (10) contains at least one solid substance (10a), and wherein the container (110) is formed with a first fastening part (110a) on a side surface (110b) of the container (110), a filter unit (120) that is axially displaceable in the container (110) to form an airtight seal with at least a part of the container, wherein the filter unit (120) is formed with a second fastening part (120a) on a side surface (120b) of the filter unit (120) that coincides with the first fastening part (110a), and a filter medium (130) that is impermeable to the solid substance (10a) in the liquid (10), wherein the filter medium (130) is provided at a lower end or on a side wall of the filter unit (120),so that the liquid (10) flows through the filter medium (130) and enters the filter unit (120) when the filter medium (130) is forced into the container (110), , characterized in that at least a portion of an inner side surface (110b) of the container (110) is configured such that at least a portion of an outer side surface (120b) of the filter unit (120) slides frictionally axially over the inner side surface (110b) of the container (110) and forms an airtight seal with the inner side surface (110b) of the container (110) when the filter unit (120) is pushed into the container (110); and in that the fastening parts (110a, 120a) are screw threads, so that the filter unit (120) is lowered in the container (110) by the screw action, so that the pressure required to filter or separate the components (10a, 10b) in the liquid (10) is exerted by means of the fastening action, so that the liquid (10) flows through the filter medium (130) while the solid substance (10a) is pressed downwards towards the inner bottom surface (110c) of the container (110).