107results about How to "Reduce swelling" patented technology

The invention provides an asymmetric modified silicon dioxide particle doped sulfonated polyether ether ketone membrane and a preparation method and application thereof, the preparation method comprises the following steps: (1) under a heating condition, mixing surface hydroxylated silicon dioxide particles and paraffin, adding a first solvent, stirring, and cooling to obtain paraffin emulsion droplets; (2) mixing the paraffin emulsion droplets obtained in the step (1) with a sulfydryl-containing silane coupling agent, and reacting to obtain a mixture; and mixing the mixture with a hydrogen peroxide solution, and carrying out oxidation reaction to obtain the asymmetrically modified silicon dioxide particles, and (3) mixing the asymmetrically modified silicon dioxide particles and sulfonated polyetheretherketone, and drying to obtain the asymmetrically modified silicon dioxide particle doped sulfonated polyetheretherketone membrane. The asymmetric modified silicon dioxide particle doped sulfonated polyether ether ketone membrane provided by the invention is low in swelling property, relatively high in proton conductivity and relatively good in ion selectivity, and the performance of a flow battery can be improved when the membrane is used for the flow battery.

The invention discloses high-toughness low-swelling ionic conductive hydrogel and a preparation method and application thereof, and belongs to the technical field of polymer hydrogel, and the preparation method comprises the following steps: dissolving acrylic acid, acrylamide, phytic acid and sodium carboxymethyl cellulose in deionized water, and uniformly mixing to obtain a precursor solution; removing bubbles in the precursor solution to prepare a bubble-removed precursor solution; adding an initiator and a cross-linking agent into the bubble-removed precursor solution, and stirring until the initiator and the cross-linking agent are completely dissolved to obtain a pre-polymerized solution; and carrying out free radical polymerization on the pre-polymerized solution under a preset condition to obtain the high-toughness and low-swelling ionic conductive hydrogel. Through the synergistic enhancement effect of phytic acid and carboxymethyl cellulose, the multifunctional ionic conductive hydrogel is developed, and the hydrogel has excellent mechanical properties, can realize low swelling in water and artificial seawater, and also has good conductivity. The preparation method is simple, controllable in operation and easy for industrial production.

The invention discloses a recombinant I-type human collagen, hydrogel and application of the recombinant I-type human collagen and the hydrogel in preparation of a medical beauty filler. The recombinant I-type human collagen with high content of isopeptide bonds and nanocellulose are prepared into the composite hydrogel, and the composite hydrogel has the advantages of high stability, low swelling, high weight guarantee rate, strong adhesive force and hemostasis capability, and has the potential of being used as a skin tissue repair material. And the composite hydrogel can be used for repairing burnt skin, obviously reducing inflammatory response of the burnt skin and promoting wound healing. Besides, the composite hydrogel can also be used as a filler or an inhibitor to be filled in a mouse body, has relatively low inflammatory response, can promote collagen synthesis in the mouse body, can promote blood vessel and bone cell generation through long-term action, further promotes tissue neogenesis, and provides a technical basis for serving as a medical beauty filling material.

The invention relates to the technical field of traditional Chinese medicine, and discloses a plaster for treating bone fracture and a preparation method thereof, and the plaster comprises the following raw materials: peach kernel, safflower, ligusticum wallichii, radix cyathulae, rhizoma drynariae, radix angelicae pubescentis, notopterygium root, eucommia ulmoides, astragalus membranaceus, pseudo-ginseng, native copper, dragon's blood, catechu, angelica sinensis, radix rehmanniae, gentiana macrophylla, radix saposhnikoviae, earthworm, centipede, scorpion, ground beetle, liquorice, frankincense, myrrh, yellow lead, sesame oil and other auxiliary materials. Pseudo-ginseng is added into the formula, the effects of promoting blood circulation to remove blood stasis, diminishing swelling and relieving pain of pseudo-ginseng are utilized, absorption of blood stasis of the bone fracture part can be accelerated, then pain and swelling caused by blood stasis blocking are remarkably relieved, blood circulation is promoted, and injury repair is promoted, and radix angelicae sinensis and radix rehmanniae are added into the formula, and the effects of replenishing blood and promoting blood circulation of radix angelicae sinensis and nourishing yin and cooling blood of radix rehmanniae are utilized, so that the bone fracture can be cured, and the bone fracture can be cured. And blood generation and local microcirculation improvement can be promoted, so that the blood supply and oxygen supply capacity of a bone fracture repair part is enhanced, and soft tissue repair is accelerated.

The invention discloses an antibacterial-waterproof hydrogel biosensor based on a conductive spandex fiber net and a preparation method of the antibacterial-waterproof hydrogel biosensor. The preparation method comprises the following steps: (1) preparing graphene composite elastic spandex conductive fibers by adopting a solution dry spinning method, and weaving the graphene composite elastic spandex conductive fibers into a fiber net; (2) designing a cuboid-shaped mold, and fixing a fiber net on hooks on four edges in a mold groove to serve as a first layer of conductive fiber net structure; (3) preparing a sodium alginate / acrylamide mixed solution blended with nano-silver, and pouring the sodium alginate / acrylamide mixed solution into a mold for in-situ polymerization; 4) transferring the mold into a Ca < 2 + > coagulating bath to form a second layer of gel matrix structure with double networks; and 5) after the gel is completely dialyzed, dipping the gel in a stearic acid / organic silicon emulsion / vegetable oil mixed solution for hydrophobic modification so as to form a third waterproof layer structure on the surface of the gel, and finally obtaining the hydrogel biosensor. The biosensor has conductive, stretchable, antibacterial and waterproof functions and the like, and can be applied to biological strain monitoring.

The invention discloses a lower limb rehabilitation physical therapy device for a bedridden patient, which effectively reduces the probability of foot drop of the patient, and comprises a fixed bracket, a contact pad on the upper side of the fixed bracket, a physical therapy air bag between the fixed bracket and the contact pad, a rotating bracket on the front part of the fixed bracket, and a support frame on the front side of the fixed bracket, the middle of the upper side of the contact pad is provided with a position-adjustable first supporting pad which is used for supporting popliteal fossa of a patient, the front side of the first supporting pad is provided with an inclined plane pad which is fixedly connected with the contact pad, and the front side of the upper part of the contact pad is provided with a second supporting pad. According to the ankle pump movement physical therapy device, the function of preventing or performing physical therapy correction on the foot drop symptom of a patient is effectively added, the purpose of assisting the patient in ankle pump movement is achieved, the probability that pressure sores are generated on the foot of the patient is reduced, and large-angle ankle pump movement physical therapy can be performed on the foot of the patient.

The invention belongs to the technical field of biomedical materials, and particularly relates to a carboxymethyl chitin composite material for an articular cavity and a preparation method of the carboxymethyl chitin composite material. The carboxymethyl chitin composite material for the articular cavity is prepared by selecting carboxymethyl chitin, hyaluronic acid, sodium alginate and chitosan which are good in biocompatibility as raw materials and performing functional modification treatment respectively, and through the synergistic effect of all the components, the elasticity modulus of the composite material is effectively improved, the swelling rate is reduced, and the joint cavity is more stable. And meanwhile, the composite material also has proper viscosity and degradation performance, and can meet application requirements.

The invention discloses a cationic polymer nano-microsphere emulsion which is prepared from the following raw materials in percentage by mass through a soap-free emulsion polymerization method: 10% of a hydrophobic monomer; 0.2%-2% of a cationic monomer; 0.02% to 0.14% of a cationic water-soluble azo initiator; and the balance of deionized water. The invention relates to a preparation method and application thereof in antifibrillation of lyocell knitted fabric. According to the method, during high-temperature baking, the adsorbed nanospheres can be diffused into a discontinuous film, hydrophobic chain segments of the nanospheres are exposed in air, so that the surfaces of the hydrophilic fibers are changed into hydrophobic surfaces, the hydrophobicity of the fibers is enhanced, and the swelling degree of the fibers is reduced due to the hydrophobicity. Under the action of wet state and friction, the fibrillation tendency of the lyocell fiber is obviously prevented. According to the method, the anti-fibrillation performance of the lyocell fiber is obviously enhanced, meanwhile, the influence on the mechanical property of the fiber is small, in addition, the process steps are obviously reduced, and the cost is reduced.

The invention relates to a migratory locust calmodulin (Cam) gene segment and dsRNA and application thereof, according to a migratory locust Cam gene sequence, a gene segment with a sequence of SEQ ID NO: 1 is obtained, and the dsRNA is synthesized by the segment. By injecting dsRNA into migratory locust bodies, expression of migratory locust calmodulin (Cam) genes can be specifically silenced, the expansion degree of insect craws is remarkably weakened, ecdysis difficulty is caused, death is caused, the biological control purpose is achieved, and the ecological environment is protected.

The invention belongs to the technical field of application of traditional Chinese medicines, and specifically relates to an application of an Amomum villosum extract in preparing a UA-lowering and anti-gouty arthritis drug. The Amomum villosum extract is extracted to obtain the Amomum villosum extract. A hyperuricemia mouse model and a gouty arthritis mouse model are established, and the results show that the Amomum villosum ethanol extract reduces the UA level by synergistically reducing excessive UA generation and promoting UA excretion, and comprehensively exerts an anti-gout effect by inhibiting the release of inflammatory factors such as IL-6, TNF-α and IL-1β, and has the characteristics of better drug efficacy and better drug safety. Therefore, the Amomum villosum ethanol extract can be applied to drugs and health foods for gout patients, and has better development and utilization value as well as huge social and economic benefits.

The invention belongs to the technical field of medicines, and particularly relates to a linarin targeted slow-release nano drug-loading system as well as a preparation method and application thereof. A polylactic acid-polyglycolic acid copolymer is used as a matrix, polyvinyl alcohol is used as a cross-linking agent, and coated drug-loaded microspheres are formed through cross-linking and grafting of the matrix and the cross-linking agent; and then chitosan is used as a protective agent, chitosan and the coated drug-loaded microspheres are crosslinked and grafted to form double-coated composite drug-loaded microspheres, the chitosan in the composite drug-loaded microspheres is used as a shell, the coated drug-loaded microspheres are used as a core, and the linarin targeted slow-release nano drug-loaded system is obtained. Through the double-target design, the targeting property to cornea and lacrimal gland is enhanced, the treatment efficiency of the medicine is improved, stable release and continuous release of linarin are realized, and the problem of unstable release of the medicine is solved; in addition, the targeted slow-release nano drug-loading system is combined with the anti-inflammatory activity and the mitochondrial protection function of linarin, so that the side effects on eyes are reduced, and the safety is improved.

The invention discloses a multifunctional position pad for preventing deep vein thrombosis of lower limbs, which comprises: a position pad main body, on which a plurality of air bags are arranged; an inflatable component, which is connected to the air bags through a trachea, and comprises an air compressor, a buffer air bag, a control component and a valve, wherein the air compressor is connected to the buffer air bag through a first pipeline, and the buffer air bag is connected to the valve through a second pipeline, and the valve and the control component are controlled to be connected; a magnetic therapy component, which is arranged on the position pad main body; at least one fixed component, which is arranged on the surface of the position pad main body; a baffle component, which comprises a baffle and a driving component, wherein the baffle is rotatably connected to one end of the position pad main body, and the driving component drives the baffle to rotate. The invention can prevent venous thrombosis of lower limbs, and can also massage the legs, promote blood circulation, and ensure the smoothness of blood flow. The baffle component can help patients do passive ankle pump exercises and maintain functional positions.

The present application relates to the technical field of conductive trolley, in particular to a lifting type graphitization inner string furnace conductive trolley, which comprises a liftable frame, and further comprises a sliding mechanism, a sliding support part and a compensation mechanism, the compensation mechanism is provided with at least two, and two are arranged oppositely, one end of the compensation mechanism is connected with the sliding mechanism, and the other end is connected with a pressure regulating part. The liftable frame is arranged, so that the conductive trolley can be flexibly adjusted according to the actual height of the furnace head electrode, precise butt joint with electrodes of different heights can be completed without the help of external lifting equipment, and the convenience and adaptability of furnace charging and furnace discharging operation are improved. Through the cooperation of the pressure regulating part and the compensation mechanism, the spring pre-tightening force can be adjusted online, the push plate is driven to move and extrude the spring, the spring increases the pre-tightening force, so that the compensation mechanism can always provide stable and reliable compensation effect for the electrode, and the stability and reliability of electrode conduction are ensured.

The present invention relates to the field of electrochemical technology, and in particular to a binder and a preparation method thereof and a lithium ion battery. The preparation method comprises the following steps: mixing water, functional monomers, styrene, electrolytes, chelating agents, and pH regulators to obtain a bottom material; mixing a cosolvent and an initiator to obtain an initiator phase; mixing butadiene, styrene, unsaturated polyolefins, and a molecular weight regulator to obtain an oil phase; mixing a dispersing aid, an electrolyte, a functional monomer, and a cosolvent to obtain a functional monomer phase; heating the bottom material to 40°C to 70°C, adding part of the initiator phase, reacting at a constant temperature, adding the oil phase, the remaining initiator phase, and the functional monomer phase, heating to 70°C to 90°C for insulation reaction, and obtaining a binder. The present invention adopts a soap-free emulsion polymerization method, and the prepared binder can form a good wetting interface and bonding layer with the negative electrode active material and the conductive agent, and form a flexible cross-linked network bonding structure with the substrate to improve the bonding force.

The invention relates to the technical field of anion exchange membrane fuel cells, in particular to a cation remote grafting type polycarbazole anion exchange membrane and a preparation method thereof. The membrane is prepared by the following steps: condensing N-(4-bromobutyl) carbazole, N-alkyl carbazole and 2, 3-butanedione to obtain a polymer skeleton, then carrying out Menshutkin reaction on the polymer skeleton and cations to obtain polyelectrolyte, and finally carrying out ion exchange on the polyelectrolyte and sodium hydroxide. Wherein the main chain of the polymer has no unstable ether bond, so that the membrane has strong alkali resistance. The flexible overhanging side chain improves dimensional stability and increases polarity differences. Cations are grafted away from a framework, the alkali resistance of the membrane is improved, the service life is prolonged, hydrophilic / hydrophobic microphase separation is enhanced, an ion transmission channel is formed, and the ion conductivity is high. The membrane has good mechanical strength and flexibility, the tensile strength reaches 55.34 MPa, the elongation at break reaches 22.49%, the application requirements of fuel cells are met, and the membrane has excellent thermal stability and wide application prospects in alkaline anion exchange membrane fuel cells.

The invention provides a traditional Chinese medicine preparation for dispelling wind and eliminating dampness and application, and relates to the technical field of traditional Chinese medicine pharmacy, the traditional Chinese medicine preparation is composed of honeysuckle stem, spatholobus stem, silkworm excrement, gentian, safflower, peach kernel, ash bark, arisaema cum bile, medicated leaven and honeycomb; the traditional Chinese medicine preparation can remarkably reduce the ankle joint swelling degree of an acute gouty arthritis model rat, reduce the expression level of inflammatory factors such as TNF-alpha, IL-1beta and IL-6 in serum and reduce the content of uric acid, creatinine and XOD in the serum, so that the effects of resisting inflammation, easing pain and reducing blood uric acid are achieved; clinical test results show that the traditional Chinese medicine preparation can relieve the pain degree of a patient, reduce the levels of inflammation-related factors TNF-alpha and IL-1beta in knee joint synovial fluid of the patient, reduce inflammation indexes WBC, ESR and CRP in serum, relieve the inflammatory reaction of the body of the patient, reduce the occurrence rate of adverse reactions, and improve the curative effect of the patient. A novel traditional Chinese medicine preparation with high safety and good curative effect is provided for treatment of acute gout.

This invention discloses a wellbore plugging device and its operating method. The device is used to plug the casing of oil and gas wellheads under high-pressure or ultra-high-pressure testing conditions. It includes a central tube with an upper end and a lower end connected to its upper and lower ends, respectively. From the upper end to the lower end, a first conversion assembly, a sealing assembly with at least one sealing rubber sleeve, an anchoring assembly, and a second conversion assembly are sequentially fitted onto the central tube between the upper and lower ends. The first and second conversion assemblies are threadedly connected to the central tube. When the central tube is rotated clockwise or counterclockwise, the first and second conversion assemblies move towards or away from each other along the axis of the central tube. A volumetric tube is provided between the sealing assembly and the central tube, and is fixedly connected to the central tube. The upper end of the volumetric tube and the lower part of the first conversion assembly cooperate to form a bypass structure. The wellbore plugging device of this invention is reliable in operation and can withstand high-pressure sealing.

The invention relates to the field of batteries, and discloses a modular power supply and distribution assembly for a desktop type film cutting machine, the modular power supply and distribution assembly comprises the desktop type film cutting machine, a storage battery lower cover and a storage battery upper cover, a host storage battery is arranged in a position between the storage battery lower cover and the storage battery upper cover, and the storage battery lower cover and the storage battery upper cover are welded through ultrasonic waves. A fixed box is arranged on one side of the storage battery lower cover, and a movable protection assembly convenient to adjust is arranged on the fixed box; through cooperation of the movable protection assemblies and the limiting assemblies, the extension blocks are driven to extend or contract in the direction of the fixing box, use of spring type buckles on the extension blocks is facilitated, meanwhile, the extension blocks are contained in the fixing box, the protection blocks on the two sides are in lap joint with the positioning grooves, the positioning grooves are closed, and the use safety of the fixing box is improved. Therefore, the extension block is protected, the protection of the spring type buckle on the extension block when the extension block is not used is facilitated, and the necessity of disassembly or replacement between the power distribution assembly and the cover body is reduced.

This application discloses a separator and a battery cell, relating to the field of secondary battery technology. The separator disclosed in this application includes a base layer and a coating layer located on at least one side of the base layer. The coating layer is made of a polymer, which includes primary particles and secondary particles. Before the separator comes into contact with the electrolyte, the average particle size of the primary polymer particles is A μm, and the average particle size of the secondary polymer particles is B μm. After the separator is wetted with the electrolyte, the average particle size of the primary polymer particles is C μm, and the average particle size of the secondary polymer particles is D μm. Furthermore, A, B, C, and D satisfy the following condition: 5% < (D-B) / B < (C-A) / A < 50%. The separator described in this application exhibits good electrolyte resistance and good adhesion to the electrodes.

This invention relates to a welding method for a heat spreader plate and a metal heat pipe, comprising the following steps: a cylindrical portion is integrally formed by protruding upwards from the upper end of the outer shell of the heat spreader plate corresponding to the periphery of the mounting hole; a stainless steel ring is fitted around the periphery of the cylindrical portion; the lower ends of both the metal heat pipe and the second capillary core are simultaneously inserted into the first inner cavity through the mounting hole; an annular brazing filler metal is fitted around the periphery of the cylindrical portion and stacked on top of the stainless steel ring to obtain a workpiece; the workpiece is placed in a vacuum brazing furnace for heating; during the heating process, the inner wall of the cylindrical portion is tightly fitted to the outer wall of the metal heat pipe, and the molten annular brazing filler metal is squeezed under clamping force, which greatly improves its wettability and prevents incomplete welding or local lack of fusion; during the cooling and solidification stage, the molten annular brazing filler metal is compacted during solidification, resulting in a higher weld density, no shrinkage cavities or porosity defects, and higher weld mechanical strength.

The invention belongs to the technical field of catalyst recovery, and provides a recovery method of a catalyst for hydrogen production by water electrolysis of a proton exchange membrane and equipment for hydrogen production by water electrolysis, and the recovery method comprises the following steps: selecting an anode target organic solution and a cathode target organic solution, the method comprises the following steps: respectively placing used membrane electrodes for producing hydrogen by electrolyzing water in an anode target organic solution and a cathode target organic solution for pretreatment operation so as to respectively dissolve a binder between an anode catalyst layer of the membrane electrode and a proton exchange membrane and a binder between a cathode catalyst layer of the membrane electrode and the proton exchange membrane; and respectively carrying out mechanical separation operation and drying operation on the anode catalyst layer and the cathode catalyst layer on the surface of the pretreated membrane electrode to obtain an anode catalyst and a cathode catalyst. According to the technical scheme, the anode catalyst and the cathode catalyst for hydrogen production through water electrolysis are recycled respectively, and the problems that in catalyst recycling, recycling energy consumption is high, the process is complex, cost is high, and pollution is serious are solved.

The utility model discloses a leg supporting device which comprises a base, a cross support is movably arranged on the upper surface of the base, a lifting plate is movably connected to the top of the cross support, supporting springs are installed at the corners of the upper surface of the lifting plate, and a vibration plate is fixedly connected to the tops of the supporting springs. A vibration motor is installed at the center of the lower surface of the vibration plate, an angle adjusting plate is rotatably arranged on the upper surface of the vibration plate, sliding grooves are symmetrically formed in the upper surface of the base and the lower surface of the lifting plate, sliding seats are slidably arranged in inner cavities of the sliding grooves, and the sliding seats are movably connected with a cross support; the utility model has the beneficial effects that the support angle of the foot and the support height of the leg can be adjusted, the soft tissues and muscles of the leg are relaxed by utilizing vibration, the muscular tension is relieved, the pain relieving effect is achieved, the blood circulation of the leg is accelerated, and the swelling of the leg is reduced.

The invention discloses a nano carboxymethyl cellulose salt and a preparation method thereof, a binder, a pole piece and a battery. The preparation method of the nano carboxymethyl cellulose salt comprises the following steps: reacting a cellulose raw material with a mixture to obtain a precipitate; sequentially carrying out alkalization treatment and etherification treatment on the precipitate to obtain nano carboxymethyl cellulose salt; wherein the mixture comprises a first catalyst and a second catalyst, the first catalyst is a catalyst with a function of catalyzing esterification reaction, and the second catalyst is acid liquor. The nano carboxymethyl cellulose salt has high cycle performance and high rate performance when being used for a battery.

The invention belongs to the technical field of carbon dioxide blasting tube mounting manipulators, and particularly discloses a carbon dioxide blasting tube mounting manipulator with an emergency anti-explosion function, which comprises a mounting rack, a hydraulic push rod is arranged at the top of the mounting rack, and an output shaft of the hydraulic push rod is fixedly connected with a mounting plate; a gripper structure is arranged at the bottom of the mounting plate, a gas injection structure is arranged on one side of the mounting frame, and a controller is arranged on the other side of the mounting frame. By arranging the gripper structure, the effect of stably placing the carbon dioxide blasting pipe can be achieved, accidental guarantee caused by the fact that a blasting piece of the carbon dioxide blasting pipe is placed in a blast hole after being damaged is avoided, released carbon dioxide gas can be rapidly exhausted through the upper end of the connecting pipe, and the situation that the carbon dioxide gas is accumulated in the blast hole to cause accidental explosion is avoided; the emergency anti-explosion function is achieved, the situation that equipment is damaged is avoided, and safety is improved.

A precise forming and manufacturing method for a spatial arc-shaped thin-wall structure relates to the field of precise forming of high-precision arc-shaped thin-wall structures, and comprises an upper female die, a lower female die, a left male die, a right male die and a positioning pin, the upper female die and the lower female die are consistent in structure and are symmetrical about an XOY plane, and the left male die and the right male die are consistent in structure and are symmetrical about a YOZ plane. A locating pin special hole is formed in the symmetric line of the upper female die and the lower female die, a thin-wall forming structure blank is installed between the upper female die and the lower female die, a locating pin penetrates through the locating pin special hole and a locating pin hole, and the upper female die and the lower female die are fixed through a fixing assembly. The inner arc surfaces of the upper female die and the lower female die are respectively designed according to upper and lower theoretical curved surfaces of the arc-shaped thin-wall structure; the left male die and the right male die are connected to the two sides of the upper female die through fixing assemblies, the left male die and the right male die are connected with the lower female die through fixing assemblies, and the die inner cambered surfaces of the left male die and the right male die are designed according to the left theoretical curved surface and the right theoretical curved surface of the arc-shaped thin-wall structure respectively. And high-precision manufacturing of the unit arc-shaped thin-wall structure is achieved.

The invention discloses application of isomagnoflorine in pharmacy, and particularly relates to application of isomagnoflorine in preparation of a medicine for treating rheumatoid arthritis. Through experiments, the applicant finds that the isomagnoflorine can effectively relieve swelling of foot joints of CIA mice, reduce arthritis indexes and the content of IL-1beta and IL-6 in serum and improve the disease symptoms of RA, the isomagnoflorine has a remarkable treatment effect, the possible action mechanism of the isomagnoflorine is to inhibit activation of an inflammatory signal channel NF-kB, and the isomagnoflorine can be used for preventing and treating RA. The compound is expected to be used for preparing medicines for treating rheumatoid arthritis.

A negative electrode plate is provided, including a current collector, a first active substance layer, and a second active substance layer located between the current collector and the first active substance layer, where the first active substance layer includes first silicon-based material particles, and the second active substance layer includes second silicon-based material particles, a mass percentage of lithium in the first silicon-based material particles being A% and a mass percentage of lithium in the second silicon-based material particles being B%, where A>B. An electrochemical apparatus is provided, including the negative electrode plate. An electronic apparatus is further provided, including the electrochemical apparatus. This application easies the swelling on the current collector of the silicon material in the negative electrode plate, thereby relieving swelling stress of the electrode plate and avoiding interface problems caused by deformation of the current collector, and thus film shedding of the electrode plate and deformation of the electrode assembly after cycling are suppressed and cycling swelling is relieved, achieving the effect of increasing energy density, improving cycling performance, and reducing the effect of swelling during cycling.

The utility model relates to the technical field of medical instruments, in particular to a fastening mechanism and an upper limb lifting device, comprising a fastening mechanism which comprises a stabilizing assembly, a connecting piece, a movable piece arranged inside the connecting piece, a matching piece arranged on the outer wall of the movable piece, and a clamping piece arranged outside the connecting piece; the connecting piece comprises a first elastic band, a fixing shell is arranged on one end face of the first elastic band, a movable cavity is formed in the fixing shell, the first clamping plate is arranged and inserted into the movable cavity, the clamping hooks and the clamping grooves are matched and locked, the limbs of the patient can be fixed, and the technical problem that the limbs of the patient move at night is solved; meanwhile, the lifting assembly is arranged, the cushion body is fixed to a bedrail through the fixing assembly, the limbs of the patient are placed on the cushion body, the cushion body is lifted according to the optimal angle and height, venous return is better promoted, and swelling is better eliminated.

The present disclosure relates to a hyaluronic acid cross-linked product and a filler composition including the same, and more specifically, to a hyaluronic acid cross-linked product with high cohesion and adhesion and reduced swelling, and a filler composition including the same.

The invention relates to the technical field of rhinitis treatment, in particular to an auxiliary device for rehabilitation treatment of allergic rhinitis. The invention provides an anaphylactic rhinitis rehabilitation auxiliary device convenient for enhancing a daily protection function. The anaphylactic rhinitis rehabilitation auxiliary device comprises a mounting shell and the like, symmetrically distributed elastic bands are fixedly connected to the mounting shell, a hinge shell is rotatably connected to the bottom of the mounting shell, a mounting plate is fixedly connected to the inner side of the hinge shell, and a fixed shell is fixedly connected to the bottom of the mounting plate. According to the device, the device is convenient to wear by being designed into a mask style, meanwhile, the sliding frame and the sponge are designed into replaceable styles, a patient can rapidly replace different essential oil in the attack period to relieve symptoms, then spraying of normal saline in the container is controlled by pressing the button frame, and therefore the patient can feel more comfortable. The nasal cavity of a patient can be kept moist at any time, allergens in the nasal cavity can be removed, symptoms of the patient can be relieved continuously in daily life, and the treatment effect is improved.