18results about How to "Inhibit aggregation" patented technology

The present application relates to waste gas treatment technical field, specifically to a kind of acrylic resin waste gas treatment filter equipment, including main body, the main body inside is equipped with purification cavity, the main body circumferential outer wall is fixedly connected with shunt pipe, the shunt pipe bottom is equipped with several air pipes, the air pipe bottom end is penetrated to the inside of purification cavity;The inside of the purification cavity is provided with purification device, the purification device includes rotation installation in the center position of the inside bottom of purification cavity drive shaft, the inside of the purification cavity is located at the top position of drive shaft and is provided with limit frame, the center position of the limit frame bottom is penetrated and is equipped with docking interface.This application is through gas distribution plate, push plate and filter assembly linkage, to establish gas-liquid mixing neutralization system, improve the neutralization of acidic substances and the absorption efficiency of soluble VOCs, reduce the subsequent pollutant load, push plate, filter assembly and other collaborative impurities, clean filter screen, prevent secondary pollution, prolong the service life of filter material.

This invention relates to the field of health food technology, specifically to a method for preparing a tea oil-based paste and its beverage. This invention develops a tea oil-based paste that can be directly mixed with water. By compounding multiple components such as protein, polysaccharides, and curcumin, and using high-pressure homogenization technology to construct a stable tea oil dispersion system, it significantly improves the problems of oil separation and greasy taste in tea oil beverages. The unsaturated fatty acids and natural antioxidants abundant in tea oil in this invention optimize the nutritional structure of the beverage from both fatty acid composition and functional activity perspectives. After mixing the tea oil-based paste with water, a tea oil-based instant beverage with both nutritional value and good mixing properties can be obtained, aligning with the modern consumer market trend of healthier, more functional, and more convenient beverages.

A method for preparing aluminum hydroxide dry powder and its sol, and its application, relates to the field of vaccine adjuvant preparation. The method includes: preparing an ammonia solution or sodium hydroxide solution; preparing an aluminum chloride solution; neutralizing the ammonia solution or sodium hydroxide solution with the aluminum chloride solution at 15-20°C to generate a milky white, translucent colloidal suspension; filtering; freeze-drying followed by aging to obtain aluminum hydroxide dry powder; adding the dry powder to a sodium chloride electrolyte solution, processing it in a high-speed shear disperser, redispersing the dry powder into a sol at a certain temperature, and homogenizing it cyclically in a high-pressure homogenizer to obtain aluminum hydroxide sol; removing electrolytes from the aluminum hydroxide sol using electrodialysis, followed by high-pressure sterilization and packaging. This invention solves the problems of clumping and sedimentation during sterilization and storage, poor stability, inconvenience in transportation and use, and limited concentration in existing aluminum hydroxide adjuvant preparation methods.

The utility model relates to mould technical field, and disclose a kind of calcium silicate cement board production forming mould, comprising: base and two pieces of side stop, side stop is detachably connected with base and forms a frame body on the top of base, and casting cavity is formed inside frame body;Cooling structure, set in the inside of base for cooling base and cement board, cooling structure includes heat dissipation cavity, water inlet pipe and reflux pipe, heat dissipation cavity is opened in the inside of base, water inlet pipe and reflux pipe are fixedly connected with base and communicate with heat dissipation cavity, water inlet pipe is connected water source, by connecting water source to water inlet pipe, reflux pipe connects water pool, water pump can be set in water pool, water circulation is realized by water pump to water inlet pipe, radiator and other cooling components still need to be set in water pool, not repeated here, by the water of circulation, heat of base and cement board bottom is taken away, improve the heat dissipation speed of cement board bottom, inhibit cement board bottom heat accumulation, reduce the probability that cement board quality is influenced due to temperature difference too large.

A method for depositing a thin film using a low-pressure chemical vapor deposition process includes: performing several cycles of processing until an intrinsic material film of a first thickness is formed on the surface of each wafer; each cycle includes an intrinsic film formation process and a cleaning process following the intrinsic film formation process; the intrinsic film formation process includes introducing a first intrinsic reactive gas into a reaction chamber; the cleaning process includes, after stopping the introduction of the first intrinsic reactive gas, introducing a protective gas into the reaction chamber and purging the surface of each wafer; after forming the intrinsic material film, forming a doped material film on the intrinsic material film; the method for forming the doped material film includes: simultaneously introducing a second intrinsic reactive gas and a dopant source gas into the reaction chamber until the total thickness of the doped material film and the intrinsic material film is the second thickness, wherein the first thickness is less than or equal to 10% of the second thickness, which is beneficial to improving the quality of the final film formation.

This invention relates to the field of food processing technology and discloses a method for improving the stability and bioavailability of astaxanthin by combining piperine with a whey protein fibrillary-algin complex. The method specifically includes the following steps: S1. Preparation of whey protein fibrillary; S2. Loading piperine onto whey protein fibrillary; S3. Complexation of piperine-loaded whey protein fibrillary with sodium alginate; S4. Preparation of an astaxanthin-piperine co-encapsulated emulsion. This invention constructs a three-dimensional network resistant to pepsin hydrolysis through electrostatic complexation; enhances the effective concentration of piperine in the intestine through co-encapsulation, efficiently regulating the expression of P-gp efflux transport proteins and the transmembrane absorption of astaxanthin; and utilizes the functional property of piperine to inhibit the activity of P-gp efflux transport proteins to achieve efficient absorption of astaxanthin.

This disclosure pertains to the technical field of coal washing equipment, and specifically relates to a dewatering device. The device includes at least two vertically arranged first and second dewatering screens. The first dewatering screen has a first arc-shaped dewatering surface configured to allow material input from its upper end to flow naturally to its lower end under its own weight and then be ejected. The first arc-shaped dewatering surface has a plurality of dewatering holes. The second dewatering screen is located below the first screen and has a second arc-shaped dewatering surface with the opposite curvature direction to the first arc-shaped dewatering surface. The second arc-shaped dewatering surface is configured to receive material from the lower end of the first screen, allowing material input from its upper end to flow naturally to its lower end under its own weight and then be ejected. The second arc-shaped dewatering surface also has a plurality of dewatering holes. This dewatering device can effectively dewater materials, prevent material accumulation, and reduce downstream load.

This invention discloses a continuous graphitization furnace for preventing caking and a graphitization process. The graphitization furnace includes a furnace body with an inner cavity for graphitizing materials. A raw material feed channel is located at the top of the inner cavity, and a material outlet is located at the bottom. The inner cavity is divided into a preheating zone, a high-temperature zone, and a homogenizing zone along the height between the feed channel and the outlet. A positive electrode is located at the upper part of the inner cavity, and a negative electrode is located on the side, with the negative electrode situated in the high-temperature zone. The positive and negative electrodes are energized to perform graphitization. The furnace body is equipped with a pneumatic turbulence mechanism to prevent material adhesion and caking. This mechanism includes a first air path located in the preheating zone and a second air path located in the high-temperature zone. The first air path agitates the material in the preheating zone, while the second air path precipitates ash impurities from the high-temperature zone, effectively reducing the probability of material caking during graphitization.

The application belongs to the technical field of polylactic acid production, and particularly relates to a polylactic acid intermediate reaction-separation integrated device and a reaction-separation process. The polylactic acid intermediate reaction-separation integrated device comprises a reaction tower, the reaction tower comprises a packing tower body and a plate tower body integrated together, the reaction tower is provided with a lactic acid oligomer feeding port, a tower top light component discharge port, a tower bottom heavy component discharge port and a lactide intermediate discharge port, the tower bottom heavy component discharge port is used for being communicated with a lactic acid oligomer storage system, the reaction tower is further provided with a heat exchanger, and the tower top light component discharge port is connected with a tower top condenser; the plate tower body is provided with a feeding distributor and at least two layers of staggered tower plates arranged in an upper and lower interval, and each layer of tower plate is provided with a heating pipe. The lactic acid oligomer cracking and the lactide purification are integrated in one reaction tower, two processes are combined into one process, the process flow is shortened, and the further polymerization of lactic acid oligomer and the generation of side reactions are reduced.

This invention discloses a flame-retardant and thermally conductive styrene-butadiene rubber (SBR) composite material and its preparation method, comprising the following raw materials by weight: 100 parts SBR; 15 parts expandable graphite microcapsules; 45-55 parts reinforcing agent; 1-2 parts sulfur; 2-4 parts accelerator; 1-2 parts stearic acid; 2-10 parts zinc oxide; and 1-1.5 parts antioxidant RD. This invention uses expandable graphite as the core and hydroxyethyl methacrylate phosphate monomer as the shell material, selecting thermally conductive and insulating boron nitride-doped shells. Expandable graphite microcapsules containing organic phosphate esters and inorganic boron nitride are prepared through in-situ polymerization. Blending these microcapsules with SBR as the base material for tires can significantly improve the flame-retardant and thermally conductive properties of the SBR composite material.

The application belongs to the technical field of adsorptive desulfurizer, and particularly relates to a high-strength nanometer zinc oxide composite desulfurizer and a preparation method thereof. The composite desulfurizer contains the following raw materials in parts by weight: nanometer zinc oxide / activated carbon composite material 65-70 parts, filler 15-25 parts, and binder 40-50 parts. The desulfurizer prepared by the application has high mechanical strength, high sulfur capacity and high desulfurization efficiency.

The utility model belongs to the field of instrument calibration, and discloses a calibration device for a liquid particulate matter detection device, which is a standardized calibration device capable of meeting the requirement of on-site rapid calibration of an aviation engine oil particulate matter concentration analyzer to be detected, and comprises a pure water supply container, a uniform mixing container, a calibration pipeline and a suction filtration assembly which are communicated in sequence, a detachable particle containing box is arranged in the uniform mixing container, the pure water supply container is communicated with the uniform mixing container through the particle containing box, the calibration pipeline is used for allowing particulate matter-containing liquid flowing from the uniform mixing container to the suction filtration assembly to pass through, and the suction filtration assembly is used for collecting the particulate matter-containing liquid from the calibration pipeline. A flow velocity detector and a to-be-detected liquid particulate matter detection device are arranged near the calibration pipeline, and the to-be-detected liquid particulate matter detection device is closer to the suction filtration assembly than the flow velocity detector.

This invention belongs to the field of biomedical technology and relates to a polypeptide targeting cGAS and its applications. The polypeptide comprises an active peptide and a membrane-penetrating peptide, the membrane-penetrating peptide being fused to the N-terminus of the active peptide. The amino acid sequence of the active peptide is identical to amino acid regions 45-63 of human IκB kinase-binding protein (IKIP) or 43-60 of mouse IKIP. The polypeptide provided by this invention can enter cells, specifically bind to cGAS, inhibit cGAS aggregation and phase separation, thereby inhibiting cGAS enzyme activity, reducing type I interferon expression, maintaining antiviral immune homeostasis, and providing a new candidate strategy for the clinical treatment of viral infections and autoimmune diseases.

This application discloses a structure and battery for reducing the risk of thermal runaway propagation within a battery cell. The cell is disposed within the battery's assembly cavity and equipped with an explosion-proof valve. The structure includes a container located on the side of the cell where the explosion-proof valve is located. The container contains coolant, and is used to release the coolant by thermal melting when the explosion-proof valve is opened due to thermal runaway, thereby cooling the cell. This application can improve the ability of the battery cell to reduce the risk of thermal propagation under thermal runaway conditions.

This invention discloses a toughened-self-healing composite modified No. 50 Grade A asphalt and its preparation method, belonging to the technical field of road engineering materials. The asphalt comprises the following raw materials: 100 parts of No. 50 Grade A road petroleum asphalt; 5.0-8.0 parts of functional monomer A; 1.0-4.0 parts of self-healing microcapsules; 0.04-0.112 parts of initiator; and 0.05-0.24 parts of crosslinking agent. The functional monomer A is composed of styrene and butyl acrylate in a mass ratio of 25:75-35:65. A one-step preparation method is used, where styrene and butyl acrylate are copolymerized in situ in the asphalt and lightly crosslinked to achieve toughening, while the introduction of self-healing microcapsules imparts a self-healing function. This invention improves the low-temperature ductility, high-temperature stability, storage stability, and damage self-healing ability of asphalt, and the process is simple and controllable, making it suitable for high-grade roads and heavy-duty traffic pavements.

This invention provides an LED epitaxial structure and its fabrication method with enhanced resistance to surge currents (EOS), as well as a Micro LED chip. The epitaxial structure employs a multi-channel two-dimensional electron gas structure with high electron mobility, which can effectively expand and disperse laterally layer by layer when facing surge currents, thereby avoiding damage to the chip that may be caused by excessive current. In addition, the GaN insertion layer on the surface of the preparation layer adopts a strong anisotropic thickness distribution, which increases the carrier transport barrier at the tip of the hexagonal hole, thereby suppressing the accumulation of surge current at the tip of the hexagonal hole. This further improves the resistance to EOS of the LED chip without affecting hole injection and LED chip luminous efficacy.

This invention relates to the field of metal surface cladding technology, specifically disclosing a method for controllable distribution of ceramic reinforcing phase in a metal-based cladding layer and the metal-based cladding layer itself. The invention involves preparing a pre-layer on the surface of a metal substrate; the material of the pre-layer includes a ceramic reinforcing phase or its corresponding raw material; metal-based alloy powder is clad onto the surface of the pre-layer, and during the cladding process, the pre-layer is melted to form the metal-based cladding layer. By employing the unconventional process sequence of "pre-preparing the ceramic reinforcing phase layer and then cladding the metal-based alloy powder," the density difference between the ceramic reinforcing phase and the molten metal, as well as the directional solidification characteristics of the molten pool, are actively utilized to achieve homogenization using physical laws. This results in a general improvement in the hardness and wear resistance of the lower part of the cladding layer, a significant improvement in performance uniformity, and a substantial increase in the service reliability of the metal-based cladding layer under harsh, high-wear conditions.

The application discloses an epoxidation catalyst and a liquid-phase preparation method. Titanium is grafted into the skeleton of a carrier SiO2 by adopting a liquid-phase static grafting method. The introduction of rare earth elements improves the stability of the carrier structure and active components, strengthens the directional grafting of titanium and the distribution of active sites, improves the activity and stability of the catalyst in olefin epoxidation, and avoids the corrosion of equipment and the poisoning of copper-based catalysts in the POSM process in the whole process without introducing chlorine elements.