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32results about How to "Improve the local environment" patented technology

Pressure electricity generating shoe

The invention provides a pressure electric organ, the electricity power of which is generated by compressive movement on the ground during human walking. The invention also provides a power generation shoes under pressure of electronic components lines for rectification, charging, energy storage and lighting. The power generation shoes under pressure comprise a pressure electric organ, a bridge-typed whole wave rectification reactor, a electrolytic capacitor, a rechargeable battery, a light emitting diode, a power switching, a power socket and a shoes. The pressure electric organ used in the power generation shoes under pressure at least comprises two flexible magnetic cores, two coils, a permanent magnet, a elastic device, a permanent magnet guiding groove, a pressure transmission plate and a coil frame. The invention is a power-generating device with no mechanical transmission system, no noise and no requirement for lubrication.
Owner:YEARCON

Multifunctional magnetic power generation shoe

The invention discloses a multifunctional magnetic power generation shoe, which comprises a shoe body, an installation bin, a power generation device, a control circuit, a rechargeable battery, a light emitting diode (LED) lamp, a signal generation device, a universal serial bus (USB) charging interface and a switch, wherein the power generation device, the control circuit and the rechargeable battery are arranged in the installation bin reserved in a sole so as to be convenient to dismantle and change; the power generation device is a magnetic power generation device for cutting magnetic induction lines and is small in occupied space and high in power generation efficiency; the control circuit is divided into a voltage boost circuit, a rectification circuit, a voltage stabilization circuit and a charging circuit; the rechargeable battery is a lithium ion rechargeable battery which is small in occupied space and high in charging and discharging frequency; the LED lamp is a condensation high-brightness LED; the USB charging interface is arranged on the outer side of an upper and provided with a waterproof rubber plug, so that an electronic product can be charged at any time anywhere; the switch is a pluggable switch so as to realize functions of preventing water and avoiding error touch; and the signal generation device is used in earthquake disaster areas so as to provide convenience for rescue. In a word, the multifunctional magnetic power generation shoe is convenient, practical, energy-saving and environment-friendly.
Owner:DEZHOU UNIV

Structure method of biological fertilizer island sand-stabilizing sand-protecting barrier

The invention discloses a structure method of a biological fertilizer island sand-stabilizing sand-protecting barrier. The method comprises the technical steps of forming composite bodies through a certain number of foundation sandbags according to various shapes, enabling a range of the sizes of the composite bodies to be 2-5m, enabling a range of the size of an arrangement mode unit to be larger than 20m and the like. Matrix additives in the foundation sandbags are composed of moving aeolian sandy soil, powder-shaped decomposition sheep manure, smashed and decaying plant straw or corncobs, peat, clay, water-retaining agents, multi-strain biobacterial manure and plant seeds with germination capacity. The foundation sandbags and composite sandbags are arranged in shapes of an island shape, a straight line shape, a crescent moon shape and the like on the surface of a moving dune according to different arrangement modes, and the sand-protecting barrier which integrates functions of wind erosion control, local soil environment improvement, vegetation recovery and the like into a whole and is used for managing the moving dune is formed.
Owner:INNER MONGOLIA AUTONOMOUS REGION ACAD OF FORESTRY SCI

Method for cultivating vegetables by aid of soilless culture substrates

The invention discloses a method for cultivating vegetables by the aid of soilless culture substrates. The method includes proportioning agricultural waste; preprocessing and stacking the agricultural waste, turning piles of the agricultural waste, sieving, granulating and packaging the agricultural waste, and the like. The method has the advantages that technical difficult problems of instability in characters of raw materials of seedling substrates manufactured from biomass resources and incomplete decomposition of materials can be solved, the difficult problem of instability in the quality of products can be solved, difficult problems of poor root twisting, slow colonization and low survival rate of the seedling substrates manufactured from the biomass resources can be solved, and environmental pollution due to the waste can be prevented.
Owner:TAICANG LVFENG BIOLOGICAL ORGANIC FERTILIZER CO LTD +1

Tabletop heating and refrigerating service unit and manufacturing cost thereof

A desktop heating and refrigeration service device and its production method, the energy transfer disk (2) installed on the upper end of the device (1), electromagnetic coil (3), temperature sensor (4) installed on the energy transmission disk (2)Inside, the energy transmission disk (2) and semiconductor refrigeration (5), aluminum radiator (6) are superimposed from top to bottom to form a heating refrigeration component, which is characterized by: the atomized nozzle (16) and theThe spray cover (17) is installed on the right side of the device case (1), and the water storage tank (15) is placed under the device case (1).Electrical connection is made into a complete desktop heating and refrigeration service device.The present invention provides heating or refrigeration energy through energy transmission. It is creative and novel, small in size, easy to operate, and practical.
Owner:苏州如锦智能科技有限公司

Tibetan incense and preparation method thereof

ActiveCN104800878APure Tibetan fragranceLong-lasting Tibetan fragranceBiocideDisinfectantsAmomum tsao-koCinnamomum glanduliferum
The invention provides Tibetan incense and a preparation method thereof. The Tibetan incense comprises a main material and auxiliary materials according to a mass ratio of 5: 3 to 5: 1; the main material is a mixture of elm bark powder and cypress powder, or the cypress powder; the auxiliary materials include Amomum tsao-ko, clove, Rhododendron parvifolium, cumin, cinnamon, costus root, elecampane, safflower, Melilotus suavcolen and Cinnamomum glanduliferum. The preparation method of the Tibetan incense comprises the following steps: crushing the raw materials of the main material and the auxiliary materials respectively by using a crusher, and then processing the crushed materials by using a filter, a vibrating screen and a screening machine to obtain the main material to be mixed and the auxiliary materials to be mixed; wetting the main material to be mixed and the auxiliary materials to be mixed with water, and sufficiently mixing and stirring by using a mixer; then preparing by using an incense making machine to obtain crude product Tibetan incense, cutting the crude product Tibetan incense and drying by using a drier to obtain the finished product. The Tibetan incense provided by the invention is pure and durable in fragrance, and has the efficiencies of tranquilizing the mind and promoting the intelligence, preventing flu and sterilizing.
Owner:XIAN LANGZHUO IND & TRADE CO LTD

Porous massive organic fertilizer

The invention discloses a porous massive organic fertilizer in the field of agriculture. The organic fertilizer is characterized by being porous and massive, being taken as a fertilizer or used for soil improvement, and utilizing plant straws, cow dung, fungus dregs, vinasse and other leftovers as raw materials. The organic fertilizer has the functions of water absorption, water retention, fertilizer maintenance, ventilation and improvement of the ecological environment of local soil, and has high application value on culture of crude drugs, fruits and vegetables. The organic fertilizer is massive, and can be transported conveniently like bricks and briquettes, and thus the cost for packaging conventional organic fertilizers by plastic bags can be saved. Therefore, the organic fertilizer has obvious ecological, social and economical benefits.
Owner:SHANDONG UNIV OF TRADITIONAL CHINESE MEDICINE

Complete biological artificial intervertebral disk and preparation method thereof

The invention provides a tissue engineering biological stent system for regenerating complete intervertebral disks. The system comprises a nucleus pulposus stent, an annulus fibrosus stent, end platestents and a peripheral elastic support ring; the nucleus pulposus stent is located at the center of the whole biological stent system, the annulus fibrosus stent is circumferentially arranged aroundthe nucleus nucleus stent, the end plate stents are arranged in the axial direction of the annulus fibrosus stent and cover the two ends of the annulus fibrosus stent, and the peripheral elastic support ring circumferentially wraps the annulus fibrosus stent and the end plate stents; the nucleus pulposus stent is made of biodegradable hydrogel; the annulus fibrosus stent is of a multi-layer structure formed by coaxially winding biodegradable elastic membranes; the end plate stents are made of a biodegradable porous material; the peripheral elastic support ring is a biodegradable non-porous elastic ring. The invention further provides a complete biological artificial intervertebral disk regenerated based on the biological stent system and a preparation method thereof. The biological artificial intervertebral disk has a complete mammalian intervertebral disk structure and has biomechanical properties close to those of a natural intervertebral disk.
Owner:南京邦鼎生物科技有限公司

Desert road slope vegetation soil fixation system and soil fixation method

The invention discloses a desert road slope vegetation soil fixation system and a soil fixation method.The soil fixation system is formed by splicing a plurality of soil fixation modules, each soil fixation module comprises a grating soil fixation plate with a planting opening in the center and a soil fixation basket fixed to the bottom of the grating soil fixation plate, and the soil fixation system further comprises a fixing pile; and the fixing piles are fixed on the fixing plates on the edge of the system. Due to the arrangement of the grating soil fixing plates, the soil fixing baskets and the plants, the stability of the roadbed can be protected, the effects of wind prevention and sand fixation can be achieved, fertilizer and microorganisms can be provided for soil through nutrient soil, the local environment of the soil is improved, and the plants can restore the ecological environment. Therefore, the desert road maintenance method is a desert road maintenance technology integrating multiple functions of preventing wind erosion, improving local soil environment, recovering vegetation and the like.
Owner:中铁城市发展投资集团有限公司 +1

Preparing method for activated aluminum oxide based anti-microbial film for fabrics

The invention discloses a preparing method for an activated aluminum oxide based anti-microbial film for fabrics. The preparing method comprises the steps that polyaniline is added in dimethyl formamide to be evenly stirred, dissolving liquid is formed, absolute ethyl alcohol is added, and viscous fluid is formed; tourmaline powder is added in the viscous fluid to be subjected to ultrasonic dispersion for 2-4 h, constant-temperature ultrasonic treatment is conducted for 20-30 min, and spinning liquid is obtained; the spinning liquid is added in an electrostatic spinning machine to be subjectedto high-voltage electrostatic spinning, and fiber monofilaments are obtained; then, the fiber monofilaments are woven to form a fiber net; aluminum hydroxide is evenly dispersed in the absolute ethylalcohol, and good turbid liquid is formed; and the surface of the fiber net is evenly coated with the dimethyl formamide, a liquid film is formed, the surface of the liquid film is evenly coated withthe turbid liquid, standing is conducted for 10-20 min, constant-temperature drying is conducted, and the anti-microbial film is obtained. Tourmaline powder negative ions are utilized for being combined with an activated aluminum oxide oxygen-rich system, negative oxygen ions can be formed through rapid combination, the anti-microbial effect is achieved, and physical and psychological health canbe benefited as well.
Owner:徐燚超

Graphene diathermanous kneecap with meridian point massage function

According to the graphene diathermanous kneecap with the meridian point massage function in the invention, a common kneecap is combined with meridians and acupoints of a human body, meridian circulation and acupoint points around a knee joint are printed on the surface of the kneecap, and a user can find the meridians and the acupoints around the knee joint more accurately and scientifically; in the kneecap, good heating and heat-conducting properties of the graphene heating membrane are utilized to generate a lasting and constant-temperature warm stimulation massage effect on meridians and acupuncture points around the knee joint; meanwhile, far-infrared light waves emitted by graphene heating can further improve blood circulation around the knee joint, enhance metabolism and improve thelocal environment of the knee joint on the basis of meridian and acupoint stimulation, and the far-infrared light waves jointly achieve the effects of preventing and protecting the knee joint and treating knee osteoarthritis.
Owner:SHAANXI UNIV OF CHINESE MEDICINE

Composite material for remedying mine wasteland as well as preparation method and application of composite material

The invention discloses a composite material for remedying a mine wasteland as well as a preparation method and application of the composite material. The composite material comprises the following raw materials in parts by weight: 30-40 parts of phosphorite, 22-30 parts of wood vinegar, 31-39 parts of humic acid, 13-21 parts of disodium ethylenediaminetetraacetate and 1-5 parts of azoxystrobin. The preparation method comprises the following steps: crushing the phosphorite, adding an acetic acid solution, and heating while stirring to obtain treated phosphorite; mixing the wood vinegar and azoxystrobin, stirring and filtering to obtain a mixture A; mixing the humic acid and an aqueous citric acid solution, and heating to obtain a mixture B; mixing the treated phosphorite, the mixture A, the mixture B and the disodium ethylenediaminetetraacetate, uniformly stirring, performing ultrasonic treatment and drying to obtain the composite material. The composite material for remedying the minewasteland increases the germination rate and the survival rate of plants and the ecological remediation rate of a mine, can adsorb and absorb heavy metals which cannot be dissociated from soil, and can effectively improve soil of the mine wasteland, a heavy metal-contaminated land and the like.
Owner:展亚男

Waste multi-classification appointment purchasing system based on Internet of Things and using method

ActiveCN112623549ARealize Recyclable ValueImprove efficiencyRefuse receptaclesMedicineThe Internet
The invention discloses a waste multi-classification appointment purchasing system based on the Internet of Things. The waste multi-classification appointment purchasing system comprises a large cabinet body, a circuit assembly installed on the cabinet body, a sealed container installed in the large cabinet body, a waste treatment platform and a client side, waste purchasing APP, of the waste treatment platform. The circuit assembly is used for receiving an instruction of the waste treatment platform, completing indication lamp display, cabinet door opening and reading and writing of an RFID tag on the sealed container and sending operation information of a client to the cabinet body to the waste treatment platform. The waste treatment platform is used for receiving appointment information of the waste purchasing APP of the client side, sending an instruction to the circuit assembly installed on the cabinet body through appointments of the sealed container by the client, completing storage of the appointment information of the client on the RFID tag of the sealed container, controlling indicator lamp display, opening a cabinet door and finally confirming storage of waste by the client on the APP. According to the system, independent innovation is realized based on the advantage of high development of the Internet in China, and Internet-based waste classified disposal is realized.
Owner:LANZHOU HAIFANG INFORMATION TECH CO LTD

Heat pump air-conditioner heating system

The invention relates to the field of heating, in particular to a heat pump air-conditioner heating system with a heat-gain heat exchanger. When the air temperature is below minus 5 DEG C to 14 DEG C,the most effective way for improving the superheat degree of a refrigerant is raising the temperature of a compressor air inlet pipe of a heat pump air conditioner so as to improve the local environment through the heat-gain heat exchanger. Therefore, atmosphere or other low-temperature heat sources are absorbed in the earlier stage of the refrigerant, and under the circumstance with a certain superheat degree, the superheat degree of the refrigerant is improved for the second time so as to enable the heat pump air conditioner to run high-efficiently in an energy-saving way. According to theheat pump air-conditioner heating system provided by the invention, a solar water heater can be adopted for improving the superheat degree of the compressor air inlet pipe of the heat pump air conditioner through the heat-gain heat exchanger, and the superheat degree of the compressor air inlet pipe of the heat pump air conditioner can be further improved through the heat-gain heat exchanger in adistributing manner from a compressor exhaust pipe to a distributing pipe.
Owner:于月洋

Injection-type bone morphogenetic protein using fibrin as carrier

The invention discloses an injection-type bone morphogenetic protein with fibrin as a carrier, which is suitable for the treatment of clinical fractures, nonunions and bone defects. It is based on the fibrin isolated from the blood of patients or healthy blood donors as a carrier, and the compound bovine bone morphogenetic protein is directly injected percutaneously into the injured part to exert the sustained release effect of the carrier and the bone morphogenetic protein to promote new bone growth and Fracture healing and accelerated wound repair. The invention has no immunogenicity and rejection reaction, and no adverse reaction after being implanted in the body. Fibrin is in a liquid state before use, and can be rapidly solidified in the body and can be shaped arbitrarily. At the same time, the hemostatic and adhesive effects of fibrin are beneficial to prevent the formation of local hematoma and provide a good local environment for bone regeneration and healing. The present invention has the advantages of definite therapeutic effect, wide application range, simple and convenient operation, safety and reliability confirmed by animal experiment and clinical experiment.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Green and environment-friendly molten crystal salt mud coating and preparation method thereof

The invention relates to a green and environment-friendly molten crystal salt mud coating and a preparation method thereof, the molten crystal salt mud coating is prepared from ten kinds of raw materials comprising crystal salt powder, water glass, 4% CMC gel, redispersible butadiene-styrene rubber powder, titanium dioxide, SP-80, OP-10, sodium hexametaphosphate, gypsum powder and cross-linked sodium polyacrylate powder, and the molten crystal salt mud coating can release negative oxygen ions, has a home decoration function, is resistant to moisture and does not return to halogen.
Owner:吉林光盐熔融生物科技有限公司

A recovery method for river submerged plants

The invention discloses a method for restoring a river submerged plant. The method is characterized in that the submerged plant is used as a pioneer species, appropriate submerged plant is cultivated in the river, different growth conditions of the submerged plant in the river are controlled, submerged vegetation is reconstructed in the degraded river through appropriate maintenance management technology, and the survival rate of the reconstructed submerged vegetation reaches 60 to 70 percent. The local environment of the river water ecological system is improved by restoring the water plants of the river, the structure and the function of the river ecological system can be restored, the cost is low, simplicity, feasibility, low carbon and environmental friendliness can be realized, the benefit is remarkable, the method is suitable for the restoration engineering of the water vegetation of the polluted river and for the ecological reconstruction engineering of the polluted river water plant diversity and water ecological system.
Owner:SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI

Tibetan incense and its preparation method

ActiveCN104800878BPure Tibetan fragranceLong-lasting Tibetan fragranceBiocideDisinfectantsPowder mixtureAdditive ingredient
The invention provides a Tibetan incense and a preparation method thereof. The Tibetan incense includes main ingredients and auxiliary materials, and the mass ratio of the main ingredients to the auxiliary materials is 5:3-5:1; the main ingredient is a mixture of elm bark powder and cypress powder, or cypress powder; auxiliary materials include: grass fruit, clove, Rhododendron microphyllum, cumin celery, cinnamon, cinnamon, inulin, grass safflower, sweet rhododendron and Yunnan camphor. The preparation method of Tibetan incense: the raw materials of the main material and the auxiliary material are pulverized respectively with a pulverizer, and then processed with a filter, a vibrating screen and a sieving machine to obtain the main material to be mixed and the auxiliary material to be mixed; the main material to be mixed is After soaking the materials and the auxiliary materials to be mixed with water, use a mixer to fully mix and stir; then use an incense making machine to produce a crude Tibetan incense, cut the crude Tibetan incense and dry it with a dryer to obtain a finished product. The Tibetan incense provided by the invention has pure and long-lasting fragrance, and has the effects of calming the nerves, improving intelligence, preventing influenza, and disinfecting and sterilizing.
Owner:XIAN LANGZHUO IND & TRADE CO LTD

Body balm for pigs and preparation method thereof

ActiveCN103054734BAvoid multifactorial infectionPreventing the Postpartum TriadCosmetic preparationsToilet preparationsBiotechnologyAnimal science
The invention provides a body balm for pigs, which is composed of the following raw materials in weight ratio: talcum powder 30-40kg, montmorillonite 40-60kg, boric acid 5-10kg, salicylic acid 3-6kg, borneol 1- 3kg, zinc oxide 4-8kg. The present invention also provides a preparation method of the talcum agent, which includes the following steps: (1) respectively pulverizing boric acid, salicylic acid and zinc oxide to more than 100 meshes for use. (2) Take 10-15kg of talcum powder and put it into the mixer, then put in the borneol oil and mix in the mixer for 20-25 minutes to get the spare material. (3) Put all the montmorillonite, crushed boric acid, salicylic acid, zinc oxide and the remaining talcum powder and the spare materials in step (2) into the mixer and mix for 20-25 minutes, and then discharge after mixing Pack into bags. The invention protects the sow's abdomen, udder and hind legs and buttocks during the sow's production, avoids the sow's teat and vulva from directly contacting the ground with bacteria, causing the sow's postpartum triple syndrome, and absorbs the amniotic fluid around the newborn piglet , improve the survival rate of suckling pigs, and isolate and protect the tail docking wounds of suckling pigs to reduce bacterial infections.
Owner:FUJIAN AONONG BIOLOGICAL TECH GRP CO LTD

Foot dry cracking preventing sock

The invention discloses a pair of foot dry cracking preventing socks. Each of the foot dry cracking preventing socks comprises a foot dry cracking preventing sock main body, a medicine layer and a delivery sock opening, wherein a sock tip part is arranged on the left end of the foot dry cracking preventing sock main body; the sock tip part is fixedly connected with the foot dry cracking preventingsock main body; a sock tip inner layer is arranged at the inner side of the sock tip part; the sock tip inner layer is fixedly connected with the sock tip part; a sock tip outer layer is arranged atthe outer side of the sock tip inner layer; the sock tip outer layer is fixedly connected with the sock tip inner layer; the medicine layer is arranged at the right side of the sock tip outer layer; the medicine layer is fixedly connected with the sock tip outer layer; an anti-wear layer is arranged at the inner part of the medicine layer; the anti-wear layer is fixedly connected with the medicinelayer; an anti-ventilation layer is arranged on the right end of the medicine layer; the anti-ventilation layer is fixedly connected with the medicine layer; a powerful elastic ring adopts textile fiber fabric. The foot dry cracking preventing socks disclosed by the invention have the maximum advantages of good elasticity and no aging, spandex can be independently woven and can also be woven together with other raw materials, the ratio of the spandex is about 3 to 10 percent, the ratio of the spandex in swimsuit fabric is up to 20 percent, and high elongation at break and high elastic recovery rate are also obtained.
Owner:HAINING HAD SOCKS

Bed filler for dairy cow farrowing pen, mattress and method of use thereof

The invention belongs to the technical field of livestock breeding and in particular relates to a lying bed filling material for a cow calving pen. The filling material is prepared from, in parts by weight, 18-22 parts of mugwort leaf powder, 14-16 parts of moxa stick ash, 4.5-5.5 parts of fresh ginger, 4.5-5.5 parts of pollen typhae with staminate flowers, 4.5-5.5 parts of dandelion, 4.5-5.5 parts of forsythia suspense, 4.5-5.5 parts of leonurus, 4.5-5.5 parts of scutellaria baicalensis, 4.5-5.5 parts of corn silk, 4.5-5.5 parts of loofah sponge, 9-11 parts of astragalus membranaceus, 4.5-5.5 parts of atractylodes macrocephala and 9-11 parts of impatiens balsamina. The invention also provides a lying bed mattress for a cow calving pen, which is prepared by using the filling material. The lying bed filling materials can achieve the effects of diminishing swelling, eliminating stagnation, promoting blood circulation, arresting bleeding, resisting inflammation, killing bacteria, stimulating menstrual flow, promoting lactation, tonifying qi and reinforcing deficiency, and can achieve a remarkable preventing and curing effect on cow breast and hoof diseases; the lying bed filling material is low in price; the lying bed mattress made of the lying bed filling material accords with the concepts of circular economy and environmental protection and is good in water absorption and heat retention.
Owner:HENAN UNIV OF ANIMAL HUSBANDRY & ECONOMY

A graphene anion heating inner warm quilt

The invention relates to the technical field of inner warming quilts, in particular to a graphene anion heating inner warming quilt, comprising a quilt cover and a quilt core placed in the quilt cover, the quilt core comprising: graphene negative ion hollow cotton filler, wrapped in graphene The nano-silver antibacterial cloth layer outside the negative ion hollow cotton, and the anti-radiation cloth layer wrapped outside the nano-silver antibacterial cloth layer. It can adjust the air quality of the surrounding environment, has a strong biological wave emission function, promotes blood circulation, and prevents human aging and premature aging; the long-lasting antibacterial and bactericidal properties can not only kill harmful bacteria to the human body, but also do not harm the human body; excellent detoxification Odor performance, remove peculiar smell, maintain a good living space, soft, fluffy, breathable and release negative ions, not easy to breed bacteria, stable structure, durable and not easy to deform.
Owner:山东贝子坊电子商务有限公司 +2

A rapid construction method of over-wet soil subgrade

The invention provides a rapid construction method for an over-wet soil roadbed. According to the natural water content, the compaction control water content, the seepage coefficient and the air inflow value of over-wet soil filling, the wind speed and the wind temperature are determined. Through rapid dehumidification equipment, the local environment of over-wet soil of a loose laid layer is effectively improved, the air temperature and the relative humidity of the local environment exceed the air inflow value of roadbed filling, meanwhile, the forward and reverse rotation stirring effect of an overturning and stirring wheel is adopted for assistance, and therefore the water content of the over-wet soil filling is rapidly reduced to the compaction control water content of over-wet soil. By the adoption of the method, the roadbed compaction quality is stable and reliable, the roadbed disease happening time is greatly delayed, and the use efficiency of a road surface is effectively improved; the technical problem that it is difficult to ted the over-wet soil within the set time to reach the compaction control water content under the rainy climate condition in South China due to the fact that the over-wet soil is high in water content is solved, the use rate of the over-wet soil is greatly increased, the construction efficiency of the over-wet soil is greatly improved, a construction period is shortened, and the manufacturing cost is saved; and the technological cost is low, the roadbed quality is good, and economic benefits are remarkable.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Air purifying device

The present disclosure relates to an air purifying device, configured to be arranged in association with an inner area of a child carrying device or a seat unit. The air purifying device comprises: a back layer; an air permeable distribution layer; an internal cavity formed between said back layer and said distribution layer; a first air inlet; a first ventilator arranged to draw air from the surroundings through the first air inlet into the internal cavity, so that an overpressure is generated in the internal cavity; and a first air filter arranged to purify the air from the surroundings. The overpressure in the internal cavity will force the air to flow from the internal cavity through said distribution layer towards the inner area. The air purifying device further comprises a guide element arranged opposite to the first air inlet to guide the air entering the internal cavity via the first air inlet. The present disclosure also relates to a child carrying device and a seat unit comprising such an air purifying device. The air purifying device reduces a phenomen that a person is exposed in polluted air.
Owner:BUBL AB

A bone repair scaffold for bone tuberculosis treatment and its preparation method

The invention relates to a bone repair bracket for bone tuberculosis treatment and a preparation method thereof, belonging to the technical field of biomedical engineering. The bone repair scaffold of the invention comprises strontium-doped nano-hydroxyapatite, gelatin and sodium alginate drug-loaded microspheres. The bone repair scaffold of the present invention has an anti-tuberculosis drug slow-release system with a three-dimensional porous scaffold structure, which is more conducive to the growth of cells and blood vessels than other implants, promotes new bone regeneration, and can be localized in tuberculosis lesions for a long time. Effectively release anti-tuberculosis drugs and provide a good local environment for the healing of bone defects; the drug-loaded anti-bone tuberculosis bone repair scaffold of the present invention has good mechanical properties and biocompatibility, can continuously release anti-tuberculosis drugs, and has good Osteoinductive ability and osteoconductive ability can induce the regeneration of bone tissue defects.
Owner:GUANGZHOU CHUANGSAI BIOLOGICAL MEDICAL MATERIALS CO LTD

A kind of antipruritic liquid for external use and preparation method thereof

The invention relates to the field of skin care products and drugs, and in particular relates to an external antipruritic liquid and a preparation method thereof. The external antipruritic liquid is prepared from a skin irritant, an allergic reaction inhibitor, a skin permeation agent and Chinese medical extract. Pharmacological experiments show that the external antipruritic liquid has the ideal alleviating and treatment effect on skin pruritus, and the external antipruritic liquid has advantages of quick effect, wide application range and use safety.
Owner:王天啸

A kind of preparation method of sodium chloride salt brick capable of releasing negative oxygen ions under light

A method for preparing sodium chloride salt bricks capable of releasing negative oxygen ions under light, the method comprising the following steps: step 1, putting raw salt into a high-temperature furnace, heating to 5000°C within 3 hours, and then cooling down within 2 to 3 hours to 3000°C, and then naturally cooled to room temperature to obtain the pretreated product A; Step 2, grind the pretreated product A for 30 minutes and pass through an 80-mesh sieve, collect the sieved powder and put it into a mold, and keep it at 40MPa for 10 minutes, After demolding, the pretreated product B is obtained; step 3, the pretreated product B is re-moved into the high-temperature furnace and heated to 3000°C within 10 minutes and kept for 1 hour, then continue to heat up to 7000°C within 1 hour, and then cool down to 5000°C within 4 hours After ℃, the temperature is raised rapidly to 8000 ℃, and then cooled to 7000 ℃ within 2 hours; step 4, the pretreatment product B that removes moisture and adsorbed gas in step 3 is rapidly heated from 7000 ℃ to 11000 ℃ and kept for 3 hours, and then After cooling down to room temperature within 6-8 hours, the final product can be obtained. The salt brick can be used for interior decoration and steaming for health care.
Owner:公主岭光盐捌佰装饰材料有限公司

External antipruritic liquid and preparation method thereof

The invention relates to the field of skin care products and drugs, and in particular relates to an external antipruritic liquid and a preparation method thereof. The external antipruritic liquid is prepared from a skin irritant, an allergic reaction inhibitor, a skin permeation agent and Chinese medical extract. Pharmacological experiments show that the external antipruritic liquid has the ideal alleviating and treatment effect on skin pruritus, and the external antipruritic liquid has advantages of quick effect, wide application range and use safety.
Owner:王天啸
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