72results about How to "Reduce aggregation" patented technology

The utility model relates to the technical field of rolling devices, and discloses a rolling device for processing oolong tea, which comprises three groups of support legs and a rolling disc fixed among the three groups of support legs, a rolling mechanism is arranged above the rolling disc, the rolling mechanism is connected with the three groups of support legs, and the rolling mechanism is connected with the rolling disc. According to the rolling device for oolong tea processing, in the discharging process, the material blocking disc is kept in an inclined state and generates high-frequency vibration on the material blocking disc, and oolong tea leaves can be more effectively discharged; in this way, the tea leaves can be discharged more smoothly, gathering on the material blocking disc is reduced, the requirement for manual interference is lowered, the labor intensity is relieved, the tea leaves fall from the periphery of the material blocking disc and can fall on the material guiding shell, and it is ensured that the tea leaves can completely fall into the material guiding shell.

The application discloses a WC+TiC particle reinforced high-entropy alloy coating and a preparation method thereof, and belongs to the field of coating preparation. The coating comprises a bottom layer, and the chemical components and mass percentages of the bottom layer are as follows: carbon: 0.1-0.5%, boron: 1-1.3%, chromium: 19-21%, nickel: 21-24%, silicon: 1-1.5%, molybdenum: 8-10%, cobalt: 22-24%, sulfur: 0.005-0.015%, phosphorus: 0.015-0.045%, and the balance is iron and inevitable impurities; and a working layer, and the chemical components and mass percentages of the working layer are as follows: WC: 15-25%, X: 1.5-4.5%, and the balance of components and the proportion between the components are the same as those of the bottom layer, wherein the X is TiC particles coated with Ni on the surface. The method is used for preparing the coating, and compared with a conventional coating, can effectively improve the wear resistance and corrosion resistance of the coating, and prolong the service life of equipment.

The invention discloses a composition with an anti-aging effect and a preparation method and application thereof, and belongs to the technical field of cosmetics. The composition is prepared by compounding a traditional Chinese medicine active component, a moisturizing and permeation promoting component and a repairing and anti-aging auxiliary component, and the traditional Chinese medicine active component is composed of three zymolytes and three fermentation extracts which are respectively prepared from six medicinal and edible traditional Chinese medicine raw materials through differentiated composite enzymolysis and probiotic anaerobic fermentation processes. The problems that traditional Chinese medicine extracts are low in transdermal absorption rate, poor in bioavailability and insufficient in cosmetic system stability are solved, active ingredients are small-molecularized through process optimization, a multi-target synergistic anti-aging system is formed by matching with functional components, the anti-aging and repairing composition has excellent anti-aging and repairing effects, physical and chemical stability and skin safety, and the anti-aging and repairing composition has a good application prospect. The composition is suitable for various skin types and can be widely applied to preparation of anti-aging repair cosmetics.

The invention relates to the technical field of deep-sea mineral resource exploitation, and discloses a deep-sea mining pipeline particle conveying device and method based on rotational flow hydraulic lifting, and the device comprises a feeding pump, a pressure regulating valve, a conveying pipeline, a flow deflector, a supporting hub, a flow velocity sensor, a particle distribution sensor, a pressure sensor, a control terminal and a data acquisition system; the flow deflector is installed on the conveying pipeline through the supporting hub, the conveying pipeline is provided with a feeding port and a discharging port, the flow velocity sensor and the particle distribution sensor are both installed on the feeding port, the pressure sensors are evenly arranged in the axial direction of the conveying pipeline, the feeding pump is connected with the feeding port through the feeding pipe, and the pressure adjusting valve is installed on the feeding pipe. The flow velocity sensor, the particle distribution sensor and the pressure sensor are all connected with the data acquisition system, and the control terminal is respectively connected with the feeding pump and the data acquisition system. The inclination angles of the flow deflectors are simulated and optimized through fluid dynamics, particle aggregation in the conveying pipeline is reduced, and the defect of high energy consumption or low conveying capacity is overcome.

The invention discloses a breaker, power distribution equipment and a vehicle, and relates to the technical field of breakers, and the breaker comprises a pedestal which is provided with an arc extinguishing cavity; the sealing cover is arranged at the opening of the arc extinguishing cavity, and a first channel penetrating through the sealing cover is arranged in the sealing cover; the through-flow copper bar is parallel to the sealing cover, the through-flow copper bar penetrates through the sealing cover in the direction perpendicular to the thickness of the sealing cover, the through-flow copper bar comprises a thinned part, and the thickness of the thinned part is smaller than that of other parts of the through-flow copper bar; the piston is at least partially contained in the first channel, the projection of the piston in the thickness direction of the sealing cover at least partially coincides with the thinned part, the side wall of the arc extinguishing cavity surrounds the piston, an annular air channel is formed between the side wall of the arc extinguishing cavity and the piston, and the annular air channel surrounds the periphery of the piston in the circumferential direction of the piston; and the first flame extinguishing structure comprises an internal channel, the internal channel is used for communicating the annular air channel with the external space of the first flame extinguishing structure, and the first flame extinguishing structure is located in the arc extinguishing cavity. The breaker provided by the invention can improve the arc extinguishing efficiency.

This invention relates to an MPL composite adjuvant and its preparation method, belonging to the field of vaccine adjuvant technology. The composite adjuvant comprises neutral phospholipids, anionic phospholipids, cholesterol, monophospholipid A, QS-21, and surface-modified lipids. The preparation method includes: dissolving the lipid components in an organic solvent to form a mixed solution, evaporating the solvent to form a lipid film, adding buffer solution for hydration to form a liposome suspension, sonicating to obtain small monolayer liposomes, and then mixing with a QS-21 micelle solution. This invention significantly improves the stability of the adjuvant by introducing surface-modified lipids, exhibiting small particle size, uniform distribution, high negative zeta potential, good stability in serum environments, and the ability to induce high-level antibody immune responses, making it suitable for vaccine development.

The utility model relates to stirring device technical field especially is a kind of solvent stirring device of solvent-resistant heat-sensitive film, including stirring subassembly and drive assembly, stirring subassembly upper end is fixedly connected with storage component, and storage component inboard is installed with vibration subassembly, and storage component includes storage shell, and the inboard fixed connection of storage shell has annular plate, and annular plate bottom end is fixedly connected with plug rod, and annular plate top end is fixedly connected with rubber sealing pad, and annular plate inboard is equipped with threaded blind hole, and annular plate is fixedly connected with cover plate by bolt, and cover plate inboard is equipped with insertion hole, and vibration subassembly includes expansion plate, and expansion plate inboard is fixedly connected with extension disc, and extension disc inboard is equipped with discharge port, and extension disc top end is fixedly connected with extension column, in the utility model, the addition amount of film material is controlled by device, avoids the granular aggregation phenomenon caused by one-time addition too much, to improve the uniformity of solution significantly.

The invention discloses an application of a Yinxiaonaotong soft capsule in preparation of a medicine for preventing and treating acute lung injury, and experimental research shows that the Yinxiaonaotong soft capsule can significantly improve lung histopathologic injury of an acute lung injury mouse model activated and induced by a complement bypass and relieve inflammatory cell infiltration. The mechanism of action is as follows: the Yindanaotong can effectively inhibit the expression of key inflammatory mediators (TNF-alpha, IL-6) and adhesion molecules (ICAM-1, P-selectin) in lung tissues and serum. Meanwhile, the medicine can down-regulate the mRNA transcriptional level of NF-kappa B p65, JNK, p38 MAPK and STAT3 signal channel related genes in lung tissues and inhibit phosphorylation activation of corresponding proteins. The results comprehensively show that the Yindan Xinnaotong compound intervenes in an inflammation signal channel through multiple targets, and plays roles in resisting inflammation and protecting lung tissues, so that the Yindan Xinnaotong compound can be used for preparing medicines for preventing and / or treating acute lung injury.

This invention discloses a high-precision sealing device for lithium batteries, relating to the field of lithium battery production technology. By incorporating a spiral injection assembly, the electrolyte, after being transported through the inner injection tube, diffuses towards the spiral blades under the guidance of the arc surface and is released into the cell through spirally distributed outlet holes. This creates a spiral diffusion flow of electrolyte, which, compared to the traditional single-point direct injection method, reduces the local impact of the electrolyte on the electrode, improves the uniformity of electrolyte distribution between the electrode layer and the separator layer, and reduces local dry areas and bubble accumulation, thereby improving the quality and wetting efficiency of the cell injection. Furthermore, the vacuum channel, suction groove, and negative pressure degassing assembly can perform local negative pressure degassing treatment inside the cell after injection, allowing tiny bubbles adhering to the electrode surface and separator pores to be discharged promptly, reducing liquid surface fluctuations and secondary bubble generation, thus improving electrolyte wetting sufficiency and cell consistency.

The invention relates to the technical field of fluidized bed heat exchange, in particular to a solid-liquid mixture circulating method, a solid-liquid mixture circulating device and a fluidized bed heat exchange system. The solid-liquid mixture circulating method comprises the following steps: S1, stirring a solid-liquid mixture; and S2, the solid-liquid mixture is driven to circulate in the fluidized bed heat exchange system, so that the solid-liquid mixture outside a shell-and-tube heat exchanger of the fluidized bed heat exchange system flows into the shell-and-tube heat exchanger, and the solid-liquid mixture in the shell-and-tube heat exchanger flows out of the shell-and-tube heat exchanger. According to the invention, after the solid-liquid mixture is stirred, solid particles can be uniformly distributed in the liquid, and sedimentation and aggregation of the solid particles are reduced; and after the solid particles are uniformly distributed in the liquid, the solid-liquid mixture is driven to circulate in the fluidized bed heat exchange system, so that the solid particles can also circulate continuously.

The utility model discloses a multichannel heat dissipation casing structure of inflator pump, concretely relates to inflator pump technical field, including the shell, is provided with the inflator pump main part outside the shell, and the output fixedly connected with the air outlet pipe of inflator pump main part, the top fixedly connected with two positioning frame of shell, the fixedly connected with the handle of positioning frame inboard, handle inboard and air outlet pipe outside sleeve joint, the fixedly connected with two supports of inflator pump main part bottom, the fixedly connected with the bottom plate of support lower surface, the fixedly connected with a plurality of cushion block of bottom plate bottom, the fixedly connected with the air intake mechanism of bottom plate inboard, the top is provided with the heat dissipation mechanism of shell. The utility model utilizes a plurality of trapezoidal air inlet cover to accelerate airflow flow and enhance the penetrating power, improve internal air flow field, reduce ventilation resistance, combine top inclined top cover, heat conduction fin and opening design simultaneously, effectively discharge hot air, avoid heat accumulation, optimize the heat dissipation air duct, realize uniform heat dissipation, maximize the fan air volume and reduce airflow waste.

This invention discloses a process and reaction system for producing 8-hydroxyquinoline, belonging to the field of chemical equipment and process technology. The invention uses o-aminophenol, o-nitrophenol, and acrolein as raw materials, p-toluenesulfonic acid as a catalyst, and a benzene solvent system to prepare 8-hydroxyquinoline. This solves the problems of high waste salt content, acrolein polymerization, large footprint, and unstable product indicators in current 8-hydroxyquinoline production processes. The process for producing 8-hydroxyquinoline in this invention has the advantages of simple equipment operation, stable operation, high production efficiency, high product purity, and environmental friendliness.

The utility model relates to the technical field of oral cavity cleaning tools, in particular to a toothbrush which comprises a toothbrush head and a toothbrush handle, the toothbrush head comprises a base plate, a plurality of bristle planting holes are formed in one side of the base plate, bristle bundles are arranged in the bristle planting holes, the sectional area of each bristle planting hole is 3.0 mm2-7.5 mm2, the minimum distance between every two adjacent bristle planting holes is larger than 0.6 mm, and the toothbrush handle is arranged on the base plate. The minimum distance between the bristle planting holes and the edge of the base plate is larger than 1 m. According to the toothbrush, by adjusting the sectional area range of the bristle planting holes, the distance between the adjacent bristle planting holes and the distance between the bristle planting holes and the edge of the base plate, the wall of each bristle planting hole has enough thickness and strength, pressure from bristle bundles can be borne, and the situation that the bristle planting holes crack is avoided.

The invention relates to a coupling device for lactide production and a production method, the coupling device comprises a depolymerization reactor, a heat exchanger and a rectifying tower, the heat exchanger is coupled with the depolymerization reactor and the rectifying tower, and the heat exchanger is coupled to the top of the depolymerization reactor and the bottom of the rectifying tower; the production method comprises the following steps: conveying a lactic acid oligomer into a depolymerization reactor, depolymerizing into crude lactide steam containing lactic acid, the lactic acid oligomer, water and lactide, after the crude lactide steam passes through a heat exchanger coupled with the top of the depolymerization reactor and a rectifying tower I, cooling the lactic acid oligomer back to the depolymerization reactor, and continuously depolymerizing into lactide, the remaining components enter a rectifying tower II, lactic acid and water in light components are extracted from the tower top, and lactide is extracted from the tower bottom section. Compared with the prior art, the lactide synthesis and purification method provided by the invention has the advantages of high yield, low energy consumption and high purity.

This utility model provides a cable tray with rapid cable retraction, including two side support frames. An upper cover plate is detachably connected to the upper part of each side support frame, and a lower cover plate is detachably connected to the lower part of each side support frame. Both the upper cover plate and the lower cover plate are connected to the side support frames via multiple sets of detachable bolts. A receiving unit is provided between the two side support frames for placing cables. A fixing component is provided on one side of the mounting plate, connected to the inner wall of the side support frame, and used to lock the positions of the upper and lower receiving components. This utility model utilizes the fixing component to adjust the distance between the upper and lower receiving components, thereby allowing multiple upper and lower receiving components to receive and fix the cables. Under the action of the upper and lower receiving components, the cables can move quickly with minimal friction, enabling rapid cable retraction.

This application relates to the technical field of textile auxiliary agent synthesis, and in particular to a nylon softener and its preparation method, which is prepared from the following components by weight percentage: 10%-20% nylon silicone oil, 0.3%-1.0% pH adjuster, 1.0%-3.0% anti-coagulation agent, and deionized water to make up the balance to 100%. This application improves the bonding strength between the prepared nylon softener and nylon fabrics by modifying the nylon silicone oil with an organic amine similar in structure to nylon fibers, while also increasing the absorption rate of the nylon softener by the nylon fibers. Furthermore, the nylon softener exhibits good stability and dispersibility, resulting in better softness properties for novel nylon fabrics.

The utility model relates to the technical field of heat dissipation devices, and discloses a liquid cooling and air cooling integrated heat dissipation device which comprises a liquid cooling plate and an air cooling assembly, and the liquid cooling plate is internally provided with a cooling channel filled with cooling liquid; a heat dissipation surface is arranged on the liquid cooling plate; the air cooling assembly is arranged at the position, close to the heat dissipation face, of the liquid cooling plate. The battery pack has the effect of conveniently dissipating heat of the battery pack through the liquid cooling plate.

The invention relates to the technical field of petrochemical engineering catalytic materials, in particular to an oil-soluble iron-based catalyst and a preparation method and application thereof.The preparation method comprises the steps that fatty acid and high-polymer organic acid serve as organic acid ligands, and under the alkaline condition, the fatty acid, the high-polymer organic acid and soluble iron salt are mixed to obtain a mixture; reacting carboxyl in fatty acid and high polymer organic acid with iron ions in soluble iron salt to obtain an oily polyisobutylene maleic acid iron complex; the preparation method comprises the following steps: by taking an oily polyisobutylene maleic acid iron complex as a precursor, reacting the precursor at 120-180 DEG C to obtain the amorphous oil-soluble iron-based catalyst. Due to the amorphous structure of the oil-soluble iron-based catalyst prepared by the method, the oil-soluble catalyst has higher stability and is not easy to inactivate. The oil-soluble iron-based catalyst is subjected to a hydrothermal cracking reaction, heavy oil molecules can be cracked into small molecule compounds, the boiling point of the heavy oil is reduced, a large amount of light oil is generated, and the viscosity of the heavy oil is reduced.

The utility model discloses a stainless steel roll unwinding and striping machine relates to stainless steel slitting technical field, this stainless steel roll unwinding and striping machine, including frame and setting on frame upper tool rest and lower tool rest, and the feed end of frame is equipped with dust removal mechanism, and one side of dust removal mechanism opposite stainless steel plate is equipped with blowing dust removal mouth, upper tool rest top is equipped with dust suction component, and dust suction component bottom half is surrounded on the tool holder, and dust suction component corresponds the dust suction mouth of tool holder position, and the top of dust suction component is equipped with the output interface of connecting industrial dust collection equipment pipeline, and the bottom of lower tool rest is equipped with the water tank, and the lower half of round knife is located under the water surface in water tank. The utility model discloses through setting dust removal mechanism, dust suction component and water tank respectively to stainless steel plate, tool holder and round knife all carry out dust removal processing, reduce the influence of dust at the position of slitting, reduce dust gathering, and the cooling water in water tank can cool round knife, reduce the influence of blade overheating deformation, and the quality of finished product after dust removal is guaranteed.

This invention discloses a low-cost rare earth weathering steel and its production process. The chemical composition and mass percentage of the weathering steel are as follows: C 0.06%~0.12%, Si 0.25%~0.50%, Mn 0.60%~1.00%, P 0.07%~0.12%, S≤0.005%, Cu 0.15%~0.40%, Cr 0.30%~0.50%, Ce 0.002%~0.015%, Alt 0.020%~0.050%, Ti 0.02%~0.08%, N≤0.006%, with the balance being Fe and unavoidable impurities. This weathering steel uses rare earth oxides added to refining slag, and a high-alkalinity, low-oxidizing refining process to improve rare earth yield. Rare earth inclusions and nozzle turbulence are modified through calcium-magnesium composite treatment, achieving rare earth micro-alloying to replace high-alloy additions. While meeting the mechanical properties and high corrosion resistance of 355MPa grade weathering steel, it significantly reduces alloy costs by more than 15% compared to traditional weathering steel. The process flow is compatible with existing production lines and is suitable for industrial mass production.

The utility model relates to the technical field of compressor precision manufacturing, in particular to a high manganese steel oil baffle seat which comprises an oil baffle seat body, a mounting hole is formed in the middle of the oil baffle seat body, a plurality of connecting columns are annularly arranged on the oil baffle seat body, connecting holes are formed in the connecting columns, and the outer sides of the connecting columns are in a step shape. An oil collecting mechanism is arranged on the surface of the oil baffle seat body, and leaked lubricating oil is collected and flows back through the oil collecting mechanism. The lubricating oil collecting mechanism is arranged to collect lubricating oil and throw the lubricating oil inwards in the flowing direction, so that the lubricating oil flows back and is reused, consumption of the lubricating oil is reduced, the using effect of the lubricating oil is improved, and resources are effectively saved.

The application discloses a nitrogen-oxygen composite rare earth ceramic riser base and a preparation process thereof, and relates to the technical field of coke oven riser. The riser base comprises a base and a riser cylinder, the riser cylinder is fixedly arranged on the upper portion of the base, and the riser cylinder and the base are both circular in cross section and concentrically arranged. The base comprises the following components in parts by weight: 40-50 parts by weight of silicon carbide powder, 12-13 parts by weight of industrial silicon powder, 8-10 parts by weight of silicon micro powder, 2-3 parts by weight of additives and 33-36 parts by weight of a binding agent. A decoking assembly for cleaning graphite and tar attached to the inner wall of the base is arranged in the base. The preparation process comprises the following steps: S1, mixing; S2, forming; S3, sintering; and S4, installation. The application selects high-purity silicon carbide as the main raw material, guarantees excellent thermal shock stability of the product, adds rare earth oxides to improve the toughness of the riser base material, and further improves the wear resistance and oxidation resistance of the riser base.

The utility model belongs to the technical field of liquid tank gas inerting experiments, and particularly relates to a liquid tank gas inerting experiment device which comprises a liquid tank body, an experiment mechanism is arranged on the liquid tank body, and the experiment mechanism comprises a mixing assembly, a first rotating assembly and a second rotating assembly, the bottom end of the rotating rod is located in the liquid tank body, a pair of mixing wheels is fixedly connected to the rotating rod, and a driving assembly used for driving the rotating rod to rotate is arranged at the top of the liquid tank body; the replacement assembly comprises a first diaphragm pump which is fixedly connected to the outer circle wall of the liquid tank body through a pair of first L-shaped rods, the suction end of the first diaphragm pump is connected with a first connecting pipe, and the first connecting pipe penetrates through the inner wall of the liquid tank body, so that the problems that a traditional liquid tank gas inerting experiment device usually depends on natural diffusion of gas, and the experiment efficiency is low are solved. According to the method, the problems that the mixing efficiency is low, gas layering and dead angles are prone to occurring, and uneven mixing is caused are solved.

The invention relates to the technical field of cooling systems, and provides a cooling system and an electrical device. The liquid cooling assembly is arranged in the cooling box body and comprises a liquid cooling box, a stirring device rotationally connected with the liquid cooling box, a cooling liquid inlet pipe and a cooling liquid outlet pipe, and the cooling liquid inlet pipe and the cooling liquid outlet pipe are in fluid communication with the liquid cooling box; and the air inlet and outlet assembly is used for introducing the hot air flow into the liquid cooling assembly and discharging the cooled hot air flow out of the cooling box body. According to the invention, the hot air flow is cooled in a liquid cooling manner, and the liquid cooling can absorb the heat of the hot air flow more directly, so that compared with the air cooling manner in the prior art, the cooling efficiency is higher, the temperature in the electrical device is reduced, the heat accumulation is reduced, the aging of electrical components is slowed down, and the normal operation of a circuit is ensured; meanwhile, the liquid cooling system does not need to realize air flow by means of continuous operation of equipment such as a fan like air cooling, and circuit consumption can be reduced to a certain extent.

This utility model relates to the field of gas-solid separation technology, specifically a cyclone collector. It includes a separation cylinder with an air inlet pipe on one side. The separation cylinder comprises an upper cylinder and a lower cylinder connected to each other. The lower cylinder contains multiple detachable anti-impact rings. The upper cylinder contains an air outlet pipe connected to the outside, with a rotatable cleaning component on the outlet pipe located within the upper cylinder. The bottom of the lower cylinder has a detachable discharge pipe containing a clearing component. The detachable anti-impact rings prevent iron (zinc) phosphate particles from directly impacting the inner wall of the lower cylinder during rotation, thus avoiding wear. When an anti-impact ring is partially punctured by impact from iron (zinc) phosphate particles, the connection between the upper and lower cylinders is disconnected, and the anti-impact ring is removed from the lower cylinder for replacement of the damaged portion.

The invention discloses histamine oxidase protein and application thereof. The amino acid sequence of the histamine oxidase protein is shown as SEQ ID NO. 1. The histamine oxidase protein PAO can be used for preparing the medicine for treating allergic rhinitis; according to the invention, histamine is locally degraded through nasal mucosa, so that local histamine aggregation of nasal mucosa is reduced, symptoms such as sneezing and the like of allergic rhinitis are improved, and nasal 2-type inflammatory response is relieved, so that a treatment effect on allergic rhinitis is achieved, and a brand-new view angle and target spot are provided for treatment of allergic rhinitis.

The utility model discloses a radio frequency unfreezing device and a refrigerator, and belongs to the technical field of radio frequency unfreezing. The radio frequency unfreezing device comprises a shielding shell which is provided with a radio frequency cavity and an unfreezing cavity, and the shielding shell is provided with a first shielding surface and a second shielding surface which are arranged at an interval in the height direction of the shielding shell; the first polar plate and the second polar plate are arranged in the radio frequency cavity and used for radiating radio frequency energy to the unfreezing cavity, and the first polar plate and the second polar plate are both arranged between the first shielding surface and the second shielding surface; along the height direction of the shielding shell, the distance H3 between the first pole plate and the second pole plate is greater than or equal to 1 / 2 of the distance H4 between the first shielding surface and the second shielding surface. After the design is adopted, the distance between the first pole plate and the second pole plate is large, so that the effective radiation area of radio frequency energy is increased, food materials in the thawing cavity can receive the radio frequency energy more uniformly, and the thawing efficiency is improved.

The invention belongs to the field of functional medical catheter preparation, and particularly relates to an antibacterial and anticoagulant dialysis catheter with a sodium alginate-graphene oxide coating and a preparation method of the antibacterial and anticoagulant dialysis catheter. The preparation method comprises the following steps: (1) mixing a graphene oxide dispersion liquid with a sodium alginate solution, then adding a water / alcohol mixed solvent, and then carrying out ultrasonic dispersion treatment to obtain a mixed solution; (2) performing plasma pretreatment on the polyurethane dialysis catheter to obtain a pretreated catheter; (3) immersing the pretreated conduit into the mixed solution, and after dip-coating is completed, sequentially standing and drying to obtain a primary gel layer conduit; and (4) immersing the primary gel layer catheter into a cross-linking solution, and then sequentially cleaning, gradient heating and curing. Efficient antibiosis and anticoagulation are achieved through the synergistic effect of materials, the coating is firm in combination and excellent in biocompatibility, the problems of thrombus formation, infection and the like of an existing dialysis catheter can be solved, and the coating is suitable for hemodialysis vascular access.

The air conditioner comprises an air conditioner body, an ion generator and an air outlet grille, the air conditioner body is provided with an air duct and an air outlet, an outlet of the air duct is communicated with the air outlet, the ion generator is arranged in the air duct and used for releasing ions into the air duct, and the air outlet grille is arranged in the air duct. The air outlet grille is arranged at the air outlet, a gold stamping layer is arranged on the side, away from the air duct, of the air outlet grille, and the electric conductivity of the gold stamping layer is smaller than 9.5 * 10 < 6 > S / m. According to the air conditioner provided by the embodiment of the utility model, ions emitted by the ion generator can be prevented from being gathered to the air outlet grid, a user is prevented from being shocked by touching the air outlet grid, and the situation that the ion generator cannot normally play the functions of sterilization and air purification can be avoided; the gilding layer enables the surface of one side, deviating from the air duct, of the air outlet grid to have metal texture; the appearance delicacy of the air outlet grille is guaranteed, and the visual perception is improved.

The utility model relates to the field of medical instruments, in particular to an adjustable lower limb pressurizing device for preventing peripheral neuropathy after chemotherapy, which comprises a sock, a pressurizing component and a bandage. The pressurizing assembly comprises a first pressurizing air bag arranged on the upper area of the shank, a second pressurizing air bag arranged on the lower area of the shank and a third pressurizing air bag arranged on the ankle, and the first pressurizing air bag, the second pressurizing air bag and the third pressurizing air bag are fixed to the outer side of the sock cover and connected with an inflating device through inflating pipes. Massage silica gel is arranged at the position, coinciding with human body acupoint body surface projection, of the inner side of the sock cover, and positioning lines and positioning points corresponding to the physiological structure are arranged on the surface of the sock cover. And the at least two bandages are fixed outside the sock sleeve and the pressurizing air bag at intervals. The pressurizing force can be adjusted in different areas, the concentration distribution difference of chemotherapeutic drugs on lower limbs is matched, and the prevention effect is improved in combination with traditional Chinese medicine acupoint stimulation.