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68results about How to "Improve healing ability" patented technology

Double-channel embedded nerve stimulator

The invention discloses a double-channel embedded nerve stimulator which belongs to the technical field of embedded medical instruments. Two-way stimulating signals can be simultaneously produced forsimultaneously stimulating two target points of brain or nerve, thereby effectively controlling and treating diseases. The double-channel embedded nerve stimulator comprises a microcontroller, a double-channel pulse output circuit, a communication circuit, a power management circuit, a battery and the like, wherein a program memory, a digital-analog signal converter, a timer and the like are integrated in the microcontroller; the double-channel pulse output circuit comprises a DC-DC circuit, an output channel, a polarity selection circuit, a pulse output control circuit, a charge balance circuit and an electrode impedance measurement circuit; the communication circuit comprises a communication coil, a signal transmission circuit and a signal reception circuit; and the power management circuit is connected with the battery. A power supply is a primary battery or a charging battery capable of meeting different application requirements and exerting respective use advantages. Compared witha single-channel product, the double-channel embedded nerve stimulator doubles the treating capability and has high economic and social benefits.
Owner:TSINGHUA UNIV +1

Chitin whisker/magnesium oxide whisker/biodegradable polyester composite material as well as preparation method and application thereof

The invention belongs to the field of composite materials and discloses a chitin whisker / magnesium oxide whisker / biodegradable polyester composite material as well as a preparation method and an application thereof. The composite material comprises the following components in percentage by weight: 0.1-20% of chitin whisker, 0.1%-20% of magnesium oxide whisker and 60-99.8% of biodegradable polyester, wherein the chitin whisker is a natural high polymer polysaccharide whisker, the magnesium oxide whisker is an inorganic whisker, and biodegradable polyester is a class of synthetic high polymers. The ternary composite material is skillfully integrated with the advantages of a natural high polymer material, a synthetic high polymer material and an inorganic material; by adjusting the mass ratio of the chitin whisker to the magnesium oxide whisker, the reinforcing and toughening effects which are superior to the reinforcing and toughening effects of single chitin whisker or magnesium oxide whisker to a biodegradable polyester matrix can be obtained; and furthermore, a poly-dopamine layer modified on the surface of the whisker has excellent biocompatibility and osteogenic activity and can endow the composite material with relatively ideal bone tissue healing promoting capacity.
Owner:JINAN UNIVERSITY

Method for grafting walnut seedling

The invention relates to a method for grafting the walnut seedling. The grafting of seedling adopts a bud-bark grafting; a bud 20 cm far away from the ground on the tree stock of the seedling is selected as a grafting position; above the grafted bud, 2 or 3 leaves are retained and snipped; below the grafted bud, all leaves are removed; both sides of the bud at the grafting position on the tree stock of the seedling are longitudinally cut once respectively and the cuttings are deep enough to reach the woodbase; the positions with 0.5 cm above and below the bud are transversely cut once respectively; the transverse incisions are inside the longitudinal incisions and deep enough to reach the woodbase; the bud on the tree stock is then taken; a plump bud on a scion is selected as a scion bud; both sides of the scion bud are longitudinally cut once respectively and the cuttings are deep enough to each the woodbase and take down the scion bud with a growing point; the scion bud is aligned with the bud on the tree stock and the bark of the scion bud is stuck to the woodbase of the tree stock; and a plastic strip is used for binding the scion bud from top to bottom and the bud is exposed all the time, thereby finishing the grafting. With the method for grafting the walnut seedling provided by the invention, the survival rate of the grafted seedling is high and the quality of the nursery stock is good. In addition, the method is simple and convenient to operate, has high reproduction speed and low cost and short seedling culture period and saves labor and materials.
Owner:邓中美

Chitin whisker/chitosan nanofiber double strengthened biodegradable polyester fiber composite material as well as preparation method and application thereof

The invention belongs to the technical fields of nanometer bio-composite materials and tissue engineering, and discloses a chitin whisker / chitosan nanofiber double strengthened biodegradable polyester fiber composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: treating chitin whiskers and biodegradable polyester by adopting an electrostatic spinning method or a 3D printing forming method to obtain a chitin whisker strengthened biodegradable polyester fiber scaffold, and introducing a chitosan nanofiber network into the fiber scaffold by utilizing a thermally induced phase separation method to obtain the chitin whisker / chitosan nanofiber double strengthened biodegradable polyester fiber composite material. According to the preparation method, the composite material with the structure that the chitin whisker strengthened biodegradable polyester fiber scaffold is provided, and chitosan nanofibers penetrate in the fiber scaffold and a fiber surface layer is obtained, has the ability of good hydrophilicity, excellent mechanical properties, good cell affinity and promoting healing of bone tissues, can be applied to the biomedical field and has good application prospect by particularly serving as a bone tissue repair material.
Owner:JINAN UNIVERSITY

Method for cultivating walnut seedling with container in greenhouse

The invention discloses a method for cultivating a walnut seedling with a container in a greenhouse. The method comprises the steps that a young seedling serves as a stock and a current-year newly-grown un-lignified fine walnut variety branch serves as a scion, so that grafting is conducted; the grafted walnut seedling is placed in a nutrition bowl for cultivation; the walnut seedling cultivated in the nutrition bowl is placed in the greenhouse to grow. According to the method, the high physiological activity of immature stem cells of plants is utilized ingeniously, the young seedling is used as the stock and the current-year newly-grown un-lignified fine walnut variety branch is used as the scion, the healing capacity of the walnut seedling is high, growing is rapid, and the survival rate is high; the light matrix non-woven fabric nutrition bowl is adopted for cultivation, afforestation at all seasons is facilitated, and the survival rate of afforestation is increased; the optimal temperature and humidity required by the grafted walnut seedling can be regulated manually in the greenhouse, and the problem existing in field planting that the survival rate can be affected by severe bleeding of the grafted seedling or over-low temperature due to continuous raining is avoided.
Owner:HUBEI GUICUIYUAN AGRI & FORESTRY

Scrub anti-allergy facial cleanser containing nanometer carbon crystal and preparation method thereof

The invention discloses a scrub anti-allergy facial cleanser containing nanometer carbon crystal, and belongs to the field of daily chemical products. The facial cleanser is mainly prepared from the following raw materials in percent by weight: 0.5-1.5% of nanometer carbon crystal, 15-25% of aloe, 10-15% of osmanthus fragrans, 10-20% of calendula officinalis, 10-20% of apple flower, 0.5-1.0% of lavender essential oil, 2.0-3.0% of pelargonium-hortorum essential oil , and the balance being deionized water. The pH value of the facial cleanser is 6.0-6.5. The invention also discloses a preparation method for the scrub anti-allergy facial cleanser containing nanometer carbon crystal. The provided scrub anti-allergy facial cleanser containing nanometer carbon crystal employs nanometer carbon crystal subjected to surface functionalization processing as the raw material, original high strength and original high wear resistance of nanometer carbon crystal are kept, and also bacteria on skin surface are relatively effectively killed, and also the effects of removing free radicals, softening skin, resisting allergy, relieving skin and the like are realized. Anti-allergy substances adhered to skin possess skin-restoration composition substances, fast act on damages cells and restore skin.
Owner:ZHENGZHOU ARTIFICIAL DIAMOND & PROD ENG TECH RES CENT

A kind of sticking and grafting technology of double-shaved surface of Chinese torreya

InactiveCN103766143BHigh wedgingTake full advantage of growth potentialHorticultureRootstockEngineering
The invention discloses a double-cut surface high-low level joint grafting technology for Torreya grandis. The joint grafting technology is a new grafting method that the long cut surface of a stock is inwards cut bias from bottom to top to the truncation surface, and moreover, the root of the long cut surface of the stock is vertically cut downwards along the part between bark and xylem to form the short cut of the stock; the long cut surface of a scion and the long cut surface of the stock are grafted in a joint manner; the short cut surface of the scion is inserted into the short cut of the stock, and thus, not only is the conjunction degree of the scion and the stock high, are the scion and the stock high more tightly and is the healing power stronger but also the scion is basically vertical upwards, and crown inclination cannot occur after the scion survives; only branches, a terminal bud and 4-5 leaves of the scion are kept, so that the transpiration of the blades is reduced, and the moisture loss is reduced. According to the joint grafting technology disclosed by the invention, only the terminal bud, which is about 1cm, of the scion is kept, and thus, the distance from the stock to the terminal bud is shortened, the sprouting capability of the terminal bud is enhanced, and the grafting survival rate reaches up to 98 percent. A Torreya grandis grafted plant is upright; the crown does not incline; the grouting capability is strong; the crown can be rapidly formed.
Owner:胡冬益 +2

Double-cut surface high-low level joint grafting technology for Torreya grandis

InactiveCN103766143AHigh wedgingTake full advantage of growth potentialHorticultureEngineeringBud
The invention discloses a double-cut surface high-low level joint grafting technology for Torreya grandis. The joint grafting technology is a new grafting method that the long cut surface of a stock is inwards cut bias from bottom to top to the truncation surface, and moreover, the root of the long cut surface of the stock is vertically cut downwards along the part between bark and xylem to form the short cut of the stock; the long cut surface of a scion and the long cut surface of the stock are grafted in a joint manner; the short cut surface of the scion is inserted into the short cut of the stock, and thus, not only is the conjunction degree of the scion and the stock high, are the scion and the stock high more tightly and is the healing power stronger but also the scion is basically vertical upwards, and crown inclination cannot occur after the scion survives; only branches, a terminal bud and 4-5 leaves of the scion are kept, so that the transpiration of the blades is reduced, and the moisture loss is reduced. According to the joint grafting technology disclosed by the invention, only the terminal bud, which is about 1cm, of the scion is kept, and thus, the distance from the stock to the terminal bud is shortened, the sprouting capability of the terminal bud is enhanced, and the grafting survival rate reaches up to 98 percent. A Torreya grandis grafted plant is upright; the crown does not incline; the grouting capability is strong; the crown can be rapidly formed.
Owner:胡冬益 +2

Plant extract having acne removal function and preparation method and application thereof

The invention belongs to the field of skin care and particularly relates to a plant extract having an acne removal function and a preparation method and application thereof. The plant extract having the acne removal function is prepared from raw material ingredients including marigold, achillea sibirca, pomegranate peel, licorice roots, rhizoma coptidis and coptis chinensis. The raw materials are reasonable in compatibility, different effective active ingredients produce a synergistic effect, the medicinal properties of the effective active ingredients are greatly excited, a medical effect is mild, no side effect is produced, and the plant extract integrates pore clearing, hair follicle clearing, oil secretion reduction, skin oil absorption and oil secretion balancing and has the effects of preventing and dissolving acnes, reducing hyperpigmentation, reliving skin inflammation and reducing cutaneous sensibility. In addition, the extract further has the effects of playing super-strong heating capability, sterilizing, astringing a wound, treating and preventing inflammation, pimples, coarse pores and scars and repairing the scars, can rapidly kill epidermis bacteria, hair follicle root bacillus and the like and has bacterium resistance and bacteriostasis effect.
Owner:陈燕兰

Nursing medicine liquid for treating burns and scalds and method for preparing nursing medicine liquid

The invention discloses nursing medicine liquid for treating burns and scalds and a method for preparing the nursing medicine liquid. The nursing medicine liquid comprises Chinese and western medicine components including, by weight, 50-80 parts of white sesame oil, 4-10 parts of nacre mother of pearl, 2-12 parts of lithospermum purpurocaeruleum, 2-9 parts of borneol, 5-10 parts of common bletilla pseudobulb, 10-15 parts of sanguisorba officinalis, 20-25 parts of rhubarb, 5-15 parts of angelica sinensis, 8-12 parts of radix sophorae subprostratae, 10-15 parts of rhizoma paridis, 15-20 parts of fructus cnidii, 5-10 parts of fructus kochiae, 12-15 parts of honeysuckle, 5-10 parts of white cinnamon, 5-8 parts of peppermint, 5-10 parts of radix ampelopsis, 5-8 parts of panax notoginseng, 5-8 parts of pearl powder, 0.3-0.5 part of honey, 0.1-0.2 part of chlorhexidine acetate, 0.1-0.2 part of miconazole nitrate, 0.2-0.5 part of amoxicillin, 0.1-0.2 part of cefalexin and 0.2-0.5 part of furazolidone powder. The nursing medicine liquid and the method have the advantages that the nursing medicine liquid can be easily and feasibly prepared and is low in cost; the nursing medicine liquid has few side effects and is inexpensive, and the burns and scalds can be effectively treated by the aid of the nursing medicine liquid.
Owner:鞠进英

Grafting and seedling raising method for psidium guajave tree

The invention discloses a grafting and seedling raising method for a psidium guajave tree and belongs to the technical field of agricultural planting. The grafting and seedling raising method comprises the following steps: seedling nursery preparation, stock seedling cultivation, grafting preparation, grafting and management after grafting, wherein a base fertilizer containing the following raw materials including decomposed dung, pond sludge, distiller grains, wheat bran, expanded perlite powder, humic acid, tea oil cakes, fish meal, a nitrification inhibitor, potassium sulfate, calcium phosphate, ammonium hydrogen carbonate, enzyme bacteria and quick lime is applied in a seedling nursery preparation process; and a remediator containing the following raw materials including gelatin, vegetable oil, saccharose, aloe juice, pomegranate barks, sophocarpidine, 6-benzylaminopurine, naphthylacetic acid, erythrocin, heteroauxin, boric acid, monopotassium phosphate and carbendazim is smeared at the edge of a junction of a scion and a stock seedling in a grafting process. By using the grafting and seedling raising method, the problem that the survival rate of grafted seedlings of psidium guajave is not high in a process of cultivating psidium guajave tree seedlings by using a traditional grafting method is solved.
Owner:杨奕文
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