25results about How to "Play efficiently" patented technology

The invention relates to the field of biomedical materials, discloses a hydrogen sulfide / nitric oxide synergistic anti-inflammatory and anti-coagulation repair promoting coating as well as a preparation method and application thereof, and provides a coating with anti-inflammatory, anti-coagulation and tissue repair promoting functions through the synergistic effect of hydrogen sulfide and nitric oxide. The coating comprises a hydrogen sulfide donor which can spontaneously release hydrogen sulfide or a precursor thereof or release hydrogen sulfide under external stimulation; the coating further comprises a component capable of catalyzing the release of nitric oxide from the endogenous nitric oxide donor. The coating is covalently connected with the surface of a base material through a chemical means to form firm interface bonding; and the coating has a multi-cross-linked network structure, so that the coating is endowed with good stability, and long-term functional application of the coating on the surface of a biomedical material is ensured. The method can be widely applied to surface modification of biomedical materials, especially coating functionalization of implanted instruments such as valve clips, intravascular stents, heart valves, occluders, vascular grafts and myocardial patches.

The invention discloses a sound absorption assembly, a sound production device and electronic equipment, and relates to the acoustics field, the sound absorption assembly comprises a shell and sound absorption particles filled in the shell, the shell comprises a main body part and a sealing cover part, the main body part defines a containing space, the sound absorption particles are filled in the containing space, and the sealing cover part covers the containing space. The sound-absorbing particles comprise a plurality of sound-absorbing raw powder and an adhesive for integrally adhering the plurality of sound-absorbing raw powder, the sealing cover part covers the main body part to seal the accommodating space, the main body part forms a porous structure formed by stacking cellosilk, the thickness of the main body part is 0.06-0.5 mm, the air permeability of the main body part is 500-5000mm / s, and the surface density of the main body part is 20-100g / m < 2 >. The main body part of the sound-absorbing assembly has proper thickness, air permeability and surface density, the sound-absorbing particles are effectively packaged, the sound-absorbing assembly can provide a certain sound-absorbing effect, and the overall sound-absorbing effect of the sound-absorbing assembly is improved.

The invention relates to the field of functional food processing, and discloses a qi-tonifying and blood-activating dietary therapy formula based on the theory of qi and blood in traditional Chinese medicine, which comprises astragalus membranaceus, angelica sinensis, red dates, lycium barbarum, lycium ruthenicum, ginseng, salvia miltiorrhiza, mulberry, lucid ganoderma, cordyceps mycelium, rhodiola rosea, American ginseng, acanthopanax, grape seed extract and chrysanthemum. Through a compound formula based on the theory of qi and blood in traditional Chinese medicine, and by combining various core medicinal materials and functional plants such as the astragalus membranaceus, the angelica sinensis, the ginseng, the lucid ganoderma, the rhodiola rosea and the fructus lycii, the multi-level effects of tonifying qi, enriching blood, activating blood, resisting oxidation and regulating immunity are achieved. The technical effects of comprehensively regulating qi and blood and improving body immunity and resistance are achieved through the synergistic effect of the compound components, compared with a scheme of regulating qi and blood by depending on a single component in the prior art, the compound formula remarkably improves the overall drug effect, solves the problems that a single component is limited in regulating function and insufficient in curative effect, and is suitable for popularization and application. Therefore, the requirements of modern people on comprehensive conditioning and immunity enhancement are met.

The invention relates to a mainstream anaerobic ammonia oxidation quick start and efficient stable operation method, which uses an immersed anaerobic ammonia oxidation granular sludge membrane biological composite reactor comprising an upflow anaerobic sludge blanket (UASB), and an MBR is immersed in the upper part of the upflow anaerobic sludge blanket (UASB); the height-diameter ratio of the UASB is 4-6, and the overall length of the MBR is 1 / 2-1 / 3 of the height of the UASB. The granulation of the sludge is realized through the UASB, and the enrichment capacity, the sedimentation performance and the stability of the sludge are improved; in the operation process of the mainstream Anammox, the complete retention of sludge functional bacteria is realized by adopting the operation of gradually shortening the hydraulic retention time and improving the nitrogen load and through the biological complete interception effect of the immersed MBR. In the granulation process of the sludge, the settling performance of the sludge is improved, a large amount of flocculent sludge is prevented from being in direct contact with membrane filaments, the membrane pollution problem in the membrane assembly is relieved, meanwhile, water flow shearing force generated around the membrane assembly can effectively wash pollutants on the surface of the membrane assembly, and the membrane pollution problem is further controlled.

The invention discloses a low-alumina-silica-ratio bauxite direct flotation composite collecting agent and a preparation method thereof, and the method comprises the following steps: gradually adding an emulsifier into water, and stirring until the emulsifier is uniformly mixed to obtain an emulsifier solution; adding a fatty acid soap compound, a hydroximic acid compound and a co-emulsion into the emulsifier solution, and then heating, stirring and uniformly mixing to obtain a medicament mixed solution; and the agent mixed solution is placed in an ultrasonic cleaning machine or a stirring emulsifying machine, a synergist is added for a synergistic reaction, the solution is stirred to be uniform, and the composite collecting agent is obtained. The method is simple and easy to implement, the emulsifying effect can be improved, the production cost is reduced, the using amount of the collecting agent in the sorting process is reduced, mineral resources are saved and efficiently utilized, and the prepared collecting agent has the advantages of being excellent in selectivity, strong in collecting capacity, good in agent stability, resistant to low temperature and the like and is suitable for mineral separation of bauxite with the low aluminum-silicon ratio. The concentrate grade and recovery rate can be effectively improved, and the aluminum-silicon ratio of the concentrate is remarkably improved.

The utility model provides a kind of farmland type ecological buffer zone structure, it is related to agricultural ecological environment management technical field, including land buffer area one, ecological regulation pond, land buffer area two and concave green land, land buffer area one, ecological regulation pond, land buffer area two and concave green land are sequentially distributed from farmland side to river embankment side, land buffer area one and land buffer area two are planted with arbor shrub and grass flower mat, the ecological regulation pond is sequentially provided with impermeable layer, adsorption layer and plant layer from bottom to top, the concave green land is laid with buffer base, the concave green land is planted with herbaceous plant and shrub. This structure effectively intercepts farmland non-point source pollution, reduces river pollutant, helps to strengthen river self-purification capacity, promotes aquatic animal and plant diversity development, and guarantees ecological benefit to play well.

The application provides a lithium iron phosphate composite material, a preparation method thereof, a positive electrode sheet and an energy storage device. The lithium iron phosphate composite material comprises a core, an amorphous carbon layer and a mesoporous carbon layer. The core is a lithium iron phosphate particle. The amorphous carbon layer is coated on the surface of the core. The mesoporous carbon layer is coated on the surface of the amorphous carbon layer away from the core. The lithium iron phosphate composite material provided by the application can be used as a positive electrode material, ensures high capacity and high compaction density of the positive electrode material, and solves the technical bottleneck that capacity and other key performances of the existing positive electrode material are difficult to balance.

The present invention provides a ready-to-use mesoporous mineralized silk fibroin microsphere and a preparation method and application thereof. SilMA hydrogel microspheres are prepared by a photocrosslinking oil / water emulsification method, and then dry mesoporous mineralized SilMA microspheres (mSilMA for short) are prepared by combining biomimetic mineralization with a critical point drying method. Silk fibroin materials that are not easily degraded and have good biocompatibility are selected as carriers to solve the problems of easy loss and inability to retain BMP-2 for a long time; biomimetic mineralization forms a calcium phosphate coating to achieve efficient loading and controlled release of BMP-2; critical point drying forms a mesoporous structure, which is conducive to drug loading and release. mSilMA is applied to BMP-2 loading and controlled release, with high protein loading efficiency and long-term low-volume sustained release. The present invention has simple ingredients, mild preparation conditions, and is easy to obtain, providing a new approach for bone defect repair and has broad clinical application prospects.

The invention discloses a skin anti-itching device for clinical nursing, and relates to the technical field of medical apparatuses and instruments, and the skin anti-itching device comprises a device main body, the device body comprises a detachable structure used for disassembly and separation, a lifting structure connected with the detachable structure, an itch scratching mechanism connected with the lifting structure, a linkage assembly connected with the itch scratching mechanism, a stroking mechanism connected with the linkage assembly and a stretching assembly connected with the lifting structure. The device has the advantages that a bidirectional motor rotates to drive a rotary table in the itching scratching mechanism to rotate, a linkage rod I performs circular motion around the rotary table, and a scratching block slides on a sliding plate and is matched with a large gear at the bottom to drive four meshed side gears to perform transmission, so that an inner gear ring and an inner gear in a rotary drum are driven to perform transmission; the driving wheel on the linkage plate and the driven wheel meshed with the driving wheel are driven to transmit, and the multiple stroking balls are started to stroke the affected part while scratching, so that the treatment effect is accelerated and promoted.

The invention discloses a mildew-proof diatomite absorbent pad and a preparation method thereof, and relates to the technical field of absorbent pads and preparation methods thereof. The mildew-proof diatomite absorbent pad comprises the following raw materials: 15-20% of quartz, 50-65% of diatomite, 5-10% of paper pulp fiber, 1-3% of environment-friendly color paste and 7-19% of limestone. The preparation process comprises the following steps: adding water into the raw materials, grinding, mixing, stirring, vibrating by a vibrating screen, performing vacuum dehydration, compressing and dehydrating, cutting, performing high-temperature and high-pressure treatment, drying, sanding, cutting, washing a plate with a mildew preventive, drying, engraving, and performing color printing to obtain a finished product. By optimizing the raw materials, the proportion and the preparation method of the water-absorbing pad and optimizing the existing mildew preventive, the problems that the existing diatomite water-absorbing pad is high in preparation cost, insufficient in flexibility and not quick to dry, and the appearance is easily influenced by using a silver-containing mildew preventive are solved; the diatomite absorbent pad prepared by the method has the advantages of quick drying, high strength, hardness but flexibility, good formaldehyde removal effect, high stability and good mildew-proof and sterilizing effects.

The invention provides aluminum-zirconium co-doped cobalt carbonate as well as a preparation method and application thereof. The preparation method comprises the following steps: adding a first cobalt-aluminum-zirconium solution and a precipitant solution into a reaction container in a parallel flow manner, and carrying out a first co-precipitation reaction; continuously adding the second cobalt-aluminum-zirconium solution into the first cobalt-aluminum-zirconium solution to obtain a third cobalt-aluminum-zirconium solution, simultaneously adding the third cobalt-aluminum-zirconium solution and the precipitator solution into the reaction container in a parallel flow manner, and carrying out a second coprecipitation reaction to obtain zirconium-aluminum co-doped cobalt carbonate; the concentration of aluminum salt in the first cobalt-aluminum-zirconium solution is smaller than that of aluminum salt in the second cobalt-aluminum-zirconium solution, and the concentration of zirconium salt in the first cobalt-aluminum-zirconium solution is the same as that of zirconium salt in the second cobalt-aluminum-zirconium solution; the feeding flow of the third cobalt-aluminum-zirconium solution is the same as that of the first cobalt-aluminum-zirconium solution. According to the preparation method disclosed by the invention, co-doping of aluminum and zirconium is realized, and the doping amount of aluminum is gradually increased in the cobalt carbonate growth layer, so that the performance of the lithium cobalt oxide positive electrode material under high voltage is improved.

This invention discloses a modified silicon-carbon composite material, an anode sheet, and a battery. The modified silicon-carbon composite material includes porous carbon, ring-patterned graphite nanoparticles, and silicon nanoparticles. The silicon nanoparticles are located within the pores of the porous carbon, and / or, within the pores of the ring-patterned graphite nanoparticles, and / or, in the pores between adjacent ring-patterned graphite nanoparticles. In the provided modified silicon-carbon anode material, the introduction of ring-patterned graphite nanoparticles into the porous carbon matrix improves conductivity through the ordered structure of the ring-patterned graphite nanoparticles, enhances ion conduction through the porous structure, and allows silicon to be deposited in the pores of the ring-patterned graphite nanoparticles, suppressing Si expansion and maximizing silicon capacity, thereby improving the conductivity, rate performance, and cycle performance of the silicon-carbon anode.

The invention discloses a multi-channel controller design method and system for a multi-dimensional dynamic vibration absorber, and belongs to the technical field of vibration control and electronic circuits, and the design method comprises the following steps: 1, building a vibration absorber electromechanical structure model, and obtaining a transformation curve of a first-order inherent frequency along with a point mass position based on the model; 2, designing a vibration absorber structure based on the transformation curve; 3, designing a control circuit, wherein the control circuit is used for controlling the working state of the motor according to the signal of the upper computer; 4, an upper computer control program is programmed, and the control program is used for controlling a motor of the vibration absorber based on the vibration frequency of the high-frequency vibration absorption subsystem assembly of the vibration absorber and the vibration frequency of the high-frequency vibration absorption subsystem assembly, so that the motor reaches a designated frequency absorption position; and step 5, connecting the upper computer with the control circuit to obtain the multi-channel controller of the multi-dimensional dynamic vibration absorber. The technical problem that multiple targets are difficult to be compatible and accurately controlled is solved.

This invention discloses a method for preparing lithium perfluoroalkyl disulfonylimide, belonging to the field of chemical synthesis technology. The method involves cooling an acetonitrile solution containing triethylenetetramine formate ionic liquid to -50°C to -30°C, then introducing ammonia gas, followed by the sequential addition of anhydrous lithium hydroxide, triethylsilane, and 1-hydroxybenzotriazole, and then adding perfluoroalkyl disulfonyl fluoride as shown in Formula 1. A two-stage heating reaction is then carried out to obtain lithium perfluoroalkyl disulfonylimide as shown in Formula 2. This invention provides a highly selective and simple one-step synthetic route, simultaneously achieving high purity, low moisture content, and high yield of the product, providing strong technical support for the efficient industrial production and high-end electrochemical applications of lithium perfluoroalkyl disulfonylimide.

The present invention relates to the field of biomedical materials, and discloses a hydrogen sulfide / nitric oxide synergistic anti-inflammatory, anticoagulant and repair-promoting coating, and a preparation method and application thereof. Through the synergistic effect of hydrogen sulfide and nitric oxide, a coating with anti-inflammatory, anticoagulant and tissue repair-promoting properties is provided. The coating includes a hydrogen sulfide donor, which can release hydrogen sulfide or its precursor spontaneously or under external stimulation; the coating also includes a component that can catalyze the release of nitric oxide from an endogenous nitric oxide donor. The coating is covalently linked to the surface of the substrate by chemical means to form a strong interface bond; and the coating has a multi-crosslinked network structure, which gives the coating good stability and ensures its long-term functional application on the surface of biomedical materials. The present invention can be widely used in the surface modification of biomedical materials, especially in the functionalization of coatings of implantable devices such as valve clips, vascular stents, heart valves, occluders, vascular grafts, and myocardial patches.

A hydraulic vehicle body suspension comprises an elastic assembly and a hydraulic assembly which are assembled on a vehicle frame, the hydraulic assembly is of a structure formed by assembling a first vulcanized body, a second vulcanized body, a third vulcanized body, an outer pipe and a fourth vulcanized body, and after the first vulcanized body, the second vulcanized body and the third vulcanized body are surrounded by the outer pipe to form an internal overall structure, the first vulcanized body and the fourth vulcanized body are fixed through the outer pipe. Then assembling the second vulcanization body and a fourth vulcanization body into a hydraulic assembly; an upper hydraulic cavity is formed between the first vulcanization body and the second vulcanization body, a lower hydraulic cavity is formed between the second vulcanization body and the third vulcanization body, and a decoupling film is arranged in the second vulcanization body to separate the upper hydraulic cavity from the lower hydraulic cavity. According to the invention, the decoupling film is arranged in the second vulcanization body, and the decoupling film can be deformed to adjust the size of the hydraulic cavity when being subjected to a large impact force, so that the influence caused by the impact is relieved, a better vibration reduction effect is provided, and better dynamic performance is achieved.

The invention provides ready-to-use mesoporous mineralized silk fibroin microspheres and application thereof. SilMA hydrogel microspheres are prepared by a photo-crosslinking oil / water emulsification method, and then dry mesoporous mineralized SilMA microspheres (mSilMA for short) are prepared by combining biomimetic mineralization and critical point drying methods. A silk fibroin material which is not easy to degrade and has good biocompatibility is selected as a carrier, so that the problems that BMP-2 is easy to lose and cannot be retained for a long time are solved; a calcium phosphate coating is formed through biomimetic mineralization, so that efficient loading and controlled release of BMP-2 are realized; the critical point is dried to form a mesoporous structure, which is beneficial to drug loading and release. The mSilMA is applied to BMP-2 loading and controlled release, the protein loading efficiency is high, and long-acting low-amount slow release can be achieved. The composition is simple in component, mild in preparation condition and easy to obtain, provides a new way for bone defect repair, and has a wide clinical application prospect.

A conjugate, wherein a deferoxamine is bound to a biocompatible polymer, wherein the deferoxamine is at least one compound selected from the group consisting of deferoxamine or its ions or salts, and their derivatives, and the biocompatible polymer comprises a first biocompatible polymer chain and a second biocompatible polymer chain different from the first biocompatible polymer chain.

The utility model relates to the technical field of sewage treatment, in particular to a PAC adding device for sludge conditioning, which comprises a PAC storage tank and a PAC adding tank. The PAC storage tank is connected with a PAC adding tank, a second conveying pipe is arranged at the bottom of the PAC adding tank and extends to the sludge conditioning pool, a second conveying pump is arranged on the second conveying pipe, and the second conveying pipe is connected with a third conveying pipe at the rear end of the second conveying pump; water in the sludge conditioning tank is extracted by the third conveying pipe and is premixed with PAC in the second conveying pipe; a medicine adding pipe is arranged at the tail end of the second conveying pipe, and a horizontal arc-shaped bent pipe section is arranged at the tail end of the medicine adding pipe. According to the utility model, on one hand, the premixing of PAC can be realized, and on the other hand, the added PAC can be quickly dispersed in water, so that the PAC can quickly and efficiently play a role.

The object of the present invention is to provide an exhaust gas purification system comprising: a first exhaust gas treatment section arranged on the upstream side of an exhaust path of an internal combustion engine and a second exhaust gas treatment section arranged on the upstream side of the exhaust path of the internal combustion engine, the exhaust gas purification system being capable of efficiently exerting the catalytic activity of a rhodium element contained in a catalyst layer of the second exhaust gas treatment section, and providing an exhaust gas purification system (1) for purifying exhaust gas discharged from an internal combustion engine, the exhaust gas purification system (1) comprising: an exhaust path (2) through which exhaust gas flows, a first exhaust gas treatment section (3) arranged on the upstream side in the exhaust path (2), and a second exhaust gas treatment section (4) arranged on the downstream side in the exhaust path (2), the first catalyst layer of the first exhaust gas treatment section (3) containing a cerium element, the mass of the cerium element contained in the first catalyst layer in terms of cerium oxide being 5.0 mass % or more and 13.0 mass % or less relative to the mass of the first catalyst layer, and the second catalyst layer of the second exhaust gas treatment section (4) containing a rhodium element.

The invention discloses a CTP transdermal repair peptide fusion process, and particularly relates to the technical field of biological medicine, and the CTP transdermal repair peptide fusion process comprises the following steps: S1, targeted compound preparation, S2, nano fusion, and S3, transdermal enhancement. By combining the CTP transdermal repair peptide with a nanotechnology, the transdermal absorption efficiency and targeting property of drug molecules are remarkably improved, and repair and regeneration of skin cells are effectively promoted, so that faster, safer and more efficient skin treatment and nursing effects are realized.

The invention relates to a probiotic composition with a sleep aiding effect and application of the probiotic composition. A bacterial strain in the probiotic composition with the sleep aiding effect is composed of a lactobacillus fermentum GLF-217 bacterial strain and a lactobacillus plantarum FLP-215 bacterial strain. The probiotic composition with the sleep aiding effect has the advantages that the probiotic composition with the sleep aiding effect is prepared from the lactobacillus fermentum GLF-217 bacterial strain, the lactobacillus plantarum FLP-215 bacterial strain, the lactobacillus plantarum GLF-217 bacterial strain and the lactobacillus plantarum FLP-215 bacterial strain; potential interaction exists between the two strains, the two strains can be matched with each other, and synergistic interaction is achieved on the effects of improving the yield of gamma-aminobutyric acid and exopolysaccharide and improving the sleep quality. Meanwhile, when the probiotic composition is used for yoghourt fermentation, the acidity, the water retention rate, the viscosity, the flavor and the sensory comprehensive evaluation of the yoghourt can be remarkably improved. Compared with a single GLF-217 strain or a single FLP-215 strain, the probiotic composition provided by the invention has the advantages that under the condition that the use amount of bacteria is consistent, the effects are more excellent than those of the single GLF-217 strain or the single FLP-215 strain.

The utility model belongs to the technical field of KVM switchers, and particularly relates to a heat dissipation type KVM switcher which comprises a U-shaped shell, a sliding rail is fixedly connected to the side wall of the shell, a cover plate is clamped to the upper end of the sliding rail in a sliding mode, an arc-shaped plate is fixedly connected to the cover plate, and the arc-shaped plate is fixedly connected to the side wall of the shell. A heat dissipation groove corresponding to a cavity formed by the arc-shaped plate and the cover plate is formed in the side edge of the shell, a heat dissipation strip-shaped groove is formed in the side edge of the shell, an installation plate is connected to the side edge of the shell, an interface unit is arranged on the installation plate, a connecting groove is formed in the side wall of the bottom of the shell, and a fixing lug is connected to the interior of the shell through a bolt. According to the utility model, due to the elaborate design of the heat dissipation system, including the synergistic effect of the heat dissipation grooves, the heat dissipation strip-shaped grooves, the heat dissipation shell, the heat dissipation plate, the silent fan and the like, the heat generated by the operation of the equipment can be efficiently dissipated, the stable work of the equipment at a proper temperature is ensured, the service life of the equipment is prolonged, and the good performance of the equipment is ensured.

The invention belongs to the technical field of grain and oil crop processing, and relates to a cyperus esculentus peeling method, which comprises: (1) carrying out heat treatment on cyperus esculentus by using hot water or water vapor; and (2) carrying out alkali liquor soaking treatment on the cyperus esculentus subjected to heat treatment. According to the method disclosed by the invention, through the step of adding hot water or water vapor to treat the cyperus esculentus, wax on the epidermis of the cyperus esculentus can be softened, a wax barrier can be destroyed, alkali liquor can permeate into the epidermis more easily and can play a role more efficiently, and the loosening efficiency of the epidermis of the cyperus esculentus is improved; after the cyperus esculentus is subjected to subsequent treatment of alkali liquor soaking, the technical effect of almost 100% peeling can be achieved; the mandulapalka peeling machine is suitable for mandulapalka of different producing areas and varieties, is not influenced by the sizes and shapes of tubers, and can realize the effect of completely peeling the outer skins of the mandulapalka in batches; the peeled cyperus esculentus is treated by a food-grade citric acid solution, so that the color and flavor of the cyperus esculentus are stabilized.