36results about How to "Not easy to shape" patented technology

The preparation process and use in repairing bone defect of calcined bone powder as one rack material to induce the regeneration of bone tissue is disclosed. The calcined bone powder has obvious bone healing promoting effect, relatively high biocompatibility, certain hardness and strength, easy shaping and rich material source, and thus facilitates the preparation of artificially synthetic material with required porosity, pore communication, pore size, etc.

The invention provides a wear-resistant domestic ceramic product and belongs to the technical field of ceramics. The ceramic product comprises a matrix and glaze. The matrix is prepared from, by weight, 35-40 parts of kaolin, 4-8 parts of quartz, 23-28 parts of potash feldspar, 18-22 parts of clay, 2-5 parts of zircon sand, 10-15 parts of waste ceramic powder and 15-20 parts of alumina. The glazeis prepared from, by weight, 10-15 parts of kaolin, 10-15 parts of orthoclase, 10-15 parts of mullite, 18-25 parts of alumina, 12-18 parts of zinc oxide, 1-3 parts of talc, 6-10 parts of zircon sand,5-10 parts of dolomite, 3-6 parts of ferric oxide and 3-6 parts of copper oxide. A preparation method of the wear-resistant domestic ceramic product includes the following steps that matrix slurry isprepared, glaze slip is prepared, and green bodies are immersed in the glaze slip, then subjected to bisque firing and finally sintered at 1280-1380 DEG C. The domestic ceramic product obtained by theprovided raw materials and the process through sintering has the advantages of good wear resistance and high shock resistance.

The invention relates to a renal artery sympathetic nerve ablating perfusion pipe. A pipe body is formed by connecting a hard pipe, a flexible pipe and a bending-controlled flexible pipe, wherein a spring is arranged in the wall of the flexible pipe, gaps among the inner walls of the hard pipe and the flexible pipe, a spring pipe sheath and leads form a water channel, four cavities are arranged inside the bending-controlled flexible pipe, two of the four cavities are water pass ways, another one is a lead pass way, and the other one is a traction wire pass way. According to the renal artery sympathetic nerve ablating perfusion pipe, the elasticity is increased, moulding can not be easily carried out, the recovery capability after bending is improved, the torque conduction capability is improved, and the perfusion capability is improved. The invention further relates to a catheter adopting the renal artery sympathetic nerve ablating perfusion pipe, wherein a handle is connected with the hard pipe, a structure for controlling the bending degree of the bending-controlled flexible pipe is arranged on the handle, the operation is easy, a porous ablating electrode is connected with the front end of the bending-controlled flexible pipe, the structure is stable, and the positioning is sensitive. The invention also provides an ablating system for the ablating perfusion of the renal artery sympathetic nerve. The ablating system comprises the catheter and a sheath pipe, and with match of the bending degree control, good controllability is realized.

The preparation process and use in repairing bone defect of calcined bone powder as one rack material to induce the regeneration of bone tissue is disclosed. The calcined bone powder has obvious bone healing promoting effect, relatively high biocompatibility, certain hardness and strength, easy shaping and rich material source, and thus facilitates the preparation of artificially synthetic material with required porosity, pore communication, pore size, etc.

The invention relates to a radiation cross-linked polyethylene thermal expansion pipe and a manufacturing method. The methods, products and techniques of the existing lined plastics of pipelines have defects. The radiation cross-linked polyethylene thermal expansion pipe provided by the invention comprises the following components in parts by weight: 100 parts of linear low density polyethylene (LLDPE), 30 parts of high density polyethylene (HDPE), 20 parts of low density polyethylene (LDPE), 10 parts of ethylene-vinyl acetate (EVA), 0.8 part of tetra(beta-(3, 5-bibutyl-4-hydroxyphenyl) propionic acid) pentaerythritol ester and 0.6 part of black masterbatch, wherein the mixture capable of carrying out radiation cross-linking is prepared into a polymer pipeline. The radiation cross-linked polyethylene thermal expansion pipe provided by the invention can be used for the field joint repair of a coating in a pipeline, the corrosion resistance and scale resistance in the pipeline, the pipeline repair with pitting corrosion, the lining in a special liquid conveying pipeline and the like.

The invention discloses a rib cuff of a knitted integrated shoe. The rib cuff is a double-layer rib cuff formed by an outer rib cuff and an inner rib cuff by taking the orientation when the knitted integrated shoe is vertically placed as the standard, a front shoe tongue and a rear shoe tongue are woven at the rib cuff, an opening is formed in the middle of the rib cuff, and flower patterns are arranged in the middle of the rib cuff; and the rib cuff comprises a rising hole and a bundling hole which are formed in the lower end of the rib cuff, and an anti-dropping coil is woven at the rising hole. The rib cuff is good in elasticity and high in hardness, and a fragrant bag or a medical treatment bag and the like are put into the rib cuff according to different demands so as to realize health and deodorization effects. The invention further discloses a weaving process of the rib cuff. The woven rib cuff is integrated formed, and the production efficiency is high.

The invention discloses an integrated plastic bag multilayer combination, and relates to the technical field of plastic bags. The integrated plastic bag multilayer combination comprises a plurality oflayers of integrated plastic bags which are distributed in a jacket layer mode, each layer of the integrated plastic bags is of an integrated structure, fillers for preventing interlayer adhesion fill the space between every two adjacent layer of the integrated plastic bags, every two adjacent layers of the integrated plastic bags are concentrically aligned and closely attached and sealed, the side wall or the bottom of an accommodating cavity of an integrated plastic bag multilayer combination body is provided with a volume standby area, the volume standby area is used for releasing the available volume when the integrated plastic bag is lifted away from a storage barrel, the edge area of the integrated plastic bag multilayer combination body is provided with a sealing mechanism, and theedge area of the integrated plastic bag multilayer combination body is provided with a lifting handle mechanism. The integrated plastic bag multilayer combination has the beneficial effects that rawmaterials are saved, the damage rate is low, the volume utilization rate is high, and the occupied space for storing and carrying is low.

The invention relates to wound healing promoting gel and a preparation method thereof. The wound healing promoting gel is prepared by forming a gel matrix by oxidized alginate and diamine or diamidogen matters through a cross-linking reaction and compounding the following components in parts by weight: 5 to 10 parts of carbomer, 10 to 20 parts of isomalto-oligosaccharide, 0.1 to 10 parts of a wound healing promoting drug, 5 to 20 parts of a skin penetration enhancer and 40 to 70 parts of purified water. According to the wound healing promoting gel disclosed by the invention, after alginate is partially oxidized by sodium periodate which is subjected to a specific technology, carboxyl active genes in alginic acid can be activated, occurrence of the cross-linking reaction can be quickened, and the production efficiency of the gel is increased; alginate gel prepared by the invention has higher cohesive energy, is easy to form and not easy to crack, can be suitable for wounds in any parts, and is also capable of inhibiting reproduction of in-vivo harmful bacteria and generation of poisonous corrupt matters, expressing the effects of stopping bleeding, resisting bacteria, clearing wounds and promoting wound healing, and greatly shortening the healing time of the wounds.

The application of the invention is a divisional application of 201910006366.2. The invention belongs to the field of tea processing, and discloses post-fermented dark tea and a processing method thereof. The processing method of the post-fermented dark tea comprises the following steps: picking fresh tea leaves; performing fixation; performing rolling; performing baking; performing sorting; performing steaming in a cage; performing rolling again; performing drying again; and performing post-fermentation to obtain the post-fermented dark tea. According to the dark tea processing method, the processing technology is simplified, the processing time is shortened, and meanwhile, the advantages of storage resistance, mellow taste and long storage time of dark tea are kept.

The invention discloses blended tea and a processing method thereof, belonging to the field of tea processing. The blended tea is obtained by blending green tea with red and light ratio of tooth leaves and black tea, green tea or black tea, wherein the red and light ratio of tooth leaves and green tea is the processing method of fresh leaves and fresh leaves of red and light ratio of tooth leaves through green tea prepared. According to the invention, the green tea with red and light ratio of tooth leaves is blended with post-fermented black tea, which can increase the content of catechins and reduce the content of caffeine in the post-fermented black tea, overcome the disadvantages of bitterness and astringency in black tea, and obtain a product with long-term storage resistance and mellow taste. , A new tea product with excellent aftertaste effect and aromatic smell. This product is a new plant drink on the market, without other similar competitive products, and its economic benefits will be very significant.

The invention relates to a perfusion tube for renal artery sympathetic nerve ablation. The tube body is composed of a hard tube, a flexible tube and a bending control tube connected in three sections. The tube wall of the tube is provided with a spring. The gap between the spring tube protection tube and the wire constitutes a waterway, and there are four cavities inside the bending control hose, two of which are water passages, one is a wire passage, and the other is a traction wire passage. This kind of tube body has increased elasticity, is not easy to be shaped, improves the recovery ability after bending, increases the torque transmission capacity, and improves the perfusion capacity. The present invention also relates to a catheter using the above-mentioned renal artery sympathetic nerve ablation perfusion tube. Front connection, stable structure, sensitive positioning. The present invention also provides an ablation system for renal artery sympathetic nerve ablation and perfusion, which includes a catheter and a sheath, and cooperates with bending control to achieve better maneuverability.