694results about How to "Fill in the gaps" patented technology

The invention discloses a graded high-nickel ternary anode material, and a preparation method and an application thereof. The graded high-nickel ternary anode material is prepared by the following method: 1) mixing a high-nickel polycrystalline precursor with anhydrous LiOH and a doping additive, performing sintering, mixing the obtained product with a coating additive, and performing sintering toobtain a high-nickel polycrystalline material; 2) mixing a ternary monocrystalline silicon precursor with a lithium source and the doping additive, performing sintering, mixing the obtained product with the coating additive, and performing sintering to obtain a ternary monocrystalline silicon material; and 3) mixing the high-nickel polycrystalline material with the ternary monocrystalline siliconmaterial, or mixing the mixed material with the coating additive, and then performing sintering. The invention further discloses an application of the graded high-nickel ternary anode material in lithium batteries. The graded material prepared by the method provided by the invention has higher compaction and cycle stability than the single polycrystalline material, has higher capacity than the single monocrystalline silicon, and the gas production and service life problems of the battery can be effectively improved after the grading modification.

The invention discloses a novel ceramic corundum grinding tool of a low-temperature and high-strength ceramic bonding agent. The grinding tool consists of the following components in percentage by mass: 15 to 20 percent of ceramic bonding agent, 80 to 85 percent of novel ceramic corundum grinding material and 5 percent of bonding wetting agent, wherein the bonding agent consists of the following components in percentage by mass: 10 to 30 percent of clay, 10 to 30 percent of feldspar, 45 to 70 percent of borosilicate glass, 0 to 15 percent of kryocide, 0 to 5 percent of quartz and 0 to 5 percent of magnesium oxide. The novel ceramic corundum grinding tool can be sintered at the sintering temperature of 850 to 980 DEG C, and by the grinding tool, a grinding wheel can be safely used at the rotation speed of 80 to 100m/s. The single-travel feeding amount of the grinding tool can be over 0.3mm, the metal removing rate is over 3 times that of an ordinary corundum grinding wheel, the grinding interval time is 3 to 5 times that of the ordinary corundum grinding wheel, the service life is 5 to 10 times that of the ordinary corundum grinding tool, and the novel ceramic corundum grinding tool is superior to a super-hard grinding tool and the ordinary grinding tool in performance and price.

The deep hole machining process includes the following successive steps: drilling hole, expanding, coarse reaming, boring and finish reaming. The wall thickness difference in the whole machined length is controlled in 0.02-0.10. The cutter for deep holes machining is long cutter bar of hard alloy and in the length/diameter ratio of 10-20. The deep hole machining technology of the present invention is advanced.

The invention discloses a heat-resistant stainless steel with high-lasting strength and a manufacturing method thereof. The heat-resistant stainless steel includes the following components by percentage: 24.00-26.00 of Cr, 17.00-23.00 of Ni, 0.05-0.75 of Si, 0.15-2.00 of Mn, less than or equal to 0.030 of P, less than or equal to 0.030 of S, 0.04-0.10 of C, 0.15-0.35 of N, 0.01-5.00 of RE, and 0.20-0.60 of M, wherein M is Nb and Ta. The manufacturing method comprises the following steps: 1. smelting: smelting molten steel in accordance with component requirements of the stainless steel; 2. pouring billet steel; 3. hot-rolling the billet steel: a. heating, the temperature of a uniform temperature section in a furnace is at the temperature of 1130 DEG C plus or minus 50 DEG C, and the soaking time is 80 minutes plus or minus 10 minutes; and b. rolling or forging, the initial rolling/initial forging temperature is at the temperature of 1100 DEG C plus or minus 50 DEG C, and the finishing rolling/finishing forging temperature is at the temperature of 860 DEG C plus or minus 50 DEG C; and 4. heat treatment, the solid solution temperature is at the temperature of 1175 DEG C plus or minus 75 DEG C, and water quenching after heat preservation. Through deduction by tests after sampling the stainless steel manufactured by the method, manufactured seamless tubes can satisfy the use requirements of superheaters and reheaters of ultra-supercritical power station boilers.

The invention discloses water-based environment-friendly porcelain glaze-like plastic coating and a preparation method thereof. The water-based environment-friendly porcelain glaze-like plastic coating adopts a formula comprising the following materials by mass: 20 to 40 percent of a water-based acrylic emulsion, 10 to 20 percent of water-based silica sol, 35 to 50 percent of water-based inorganic silicon dioxide nanodispersion, 0.1 to 0.3 percent of a wetting dispersant, 1 to 5 percent of silane, 0.1 to 0.5 percent of an amine neutralizing agent, 5 to 10 percent of lead-free pigment, 0.5 to 2.5 percent of a film-forming additive, and 5 to 25 percent of deionized water. The water-based environment-friendly porcelain glaze-like plastic coating can be coated on the surfaces of various materials in the form of porcelain glaze, and can be applied on the surfaces of the materials of various shapes through roller-applied coating, shower coating, spraying, blade coating, brush coating, dip coating and the like; moreover, the formed porcelain glaze coating is unique and free from hydrolysis, and cannot be melted at a certain temperature, so that a base material can be effectively protected from corrosion, abrasion, scraping, acid-alkali, impact, inflaming and fire.

The invention provides a fog screen dust suppression device which comprises a wind screen system, a fog system and an electric control system. The fog system comprises a water storage tank, a water feeding pump, a fog main engine, a fog distributor and fog generators, wherein each fog generator is composed of a water pipeline and a spraying head set. The wind screen system comprises a wind main engine, wind screen generators and a wind distributor, wherein each wind screen generator is composed of a wind pipeline and a fog screen wind port or a wind screen machine. The wind screen system and the fog system are controlled by an electric control box, the water storage tank is connected with the fog main engine, the fog main engine is connected with the fog distributor, and each pipeline of the fog distributor is connected with the corresponding fog generator through the corresponding water pipeline. The wind main engine is connected with the wind distributor, and each pipeline of the wind distributor is connected to the corresponding wind screen generator. The fog screen dust suppression device is automatically or manually started to generate dry fog or mist, a fog screen of a wind screen and water fog is formed under the action of wind at the wind screen port and surrounds dust to be generated, mud drops are formed by the dry fog or the mist and the dust and fall to a dust suppression point, and the effects of suppressing dust and removing dust from the source are achieved.

The invention discloses a high low temperature resistant oil-retaining bearing made of powder metallurgy material and a manufacturing method thereof. The high low temperature resistant oil-retaining bearing is characterized in that the metallurgy material is prepared from the following raw materials in percent by weight: 35-40% of C, 35-40% of Cu and balance of Fe, wherein the percent by weight of C is the same with that of Cu. The invention also provides a manufacturing method of the oil-retaining bearing, comprising the steps of: electroplating coating, mixing, compression moulding, reducing and sintering, finishing, cleaning and immersing oil. The powder metallurgy material in the invention improves content of graphite, the oil-retaining bearing made of the powder metallurgy material can adapt to the environment at the temperature of being lower than 300 DEG C and higher than minus 60 DEG C and can be continuously used, and the gap of requirement of high temperature and low temperature to the oil-retaining bearing is filled.

A deactivated Avianreovirus vaccine for fowls is prepared from the Avianreovirus (ARV) RS13 (CGMCC No.1713) through separating said virus from the organ of infected chicken, serum test, reproduction of virus, deactivating, and emulsifying.

The invention discloses alcohol-group dry powder sand mould foundry coating, which comprises the following components in percentage by weight: 60-75% of bauxite, 2-10% of amorphous graphite, 3-15% of lamellar graphite, 2-10% of iron oxide red, 1-5% of attapulgite, 0.5-1.5% of sodium bentonite, 1-5% of polyvinyl butyral, 0.1-0.5% of surfactant and 0.1-0.5% of dispersing agent. The dry powder coating has the advantages of simple preparation technology, convenience in use and good high-temperature sand adhesiveness resistance.

The present invention relates to a construction method of bentonite waterproof blankets. The method comprises the steps of processing a base plane, paving waterproof blankets, processing lapped seams, protecting and connecting swing ends, folding ends, processing empty bumps, etc. The waterproof blankets are naturally lapped during the lapped seam processing, the lapped width is not smaller than 100mm, and the lapped seams can not be arranged in corners. The allowed length of the swing ends of the waterproof blankets is 200mm to 400mm longer than the allowed length of reinforcing steel bars, and is from 500mm to 800mm. The ends are lined and sealed by edgings. Facade swing ends and plane swing ends are temporarily protected. The swing ends are folded, sealed and fixed when the waterproof blankets are paved to the facade top. The construction method has the advantages of reasonable technique, permanent waterproofing, simple method, labour and material saving, long service life, long structure, secondary waterproof properties, capability of forming active water-proof system, low construction cost, high efficiency and broad application range. The present invention is suitable for various water-proof requirements of underground waterproof engineering.

The invention provides a sampling and indoor in-situ testing method for a soft intercalated layer undisturbed sample. By a top cement cover, a bottom cement cover and a sampling tube closed cube rock sample, the soft intercalated layer undisturbed sample is obtained; the tube wall of a sampling tube is peripherally subjected to truncation cutting in the middle of the sampling tube to form both an upper part and a lower part so as to form an upper disk and a lower disk of a shearing-resistant test; a top concrete cushion block and a bottom concrete cushion block are placed and the soft intercalated layer undisturbed sample is placed in a shear box of a direct shear apparatus, so that the upper disk is positioned in an upper shear box, and simultaneously, the lower disk is positioned in a lower shear box; a normal force is applied to the symmetry center of the top concrete cushion block, and simultaneously, a positive tangential force and a reverse tangential force are respectively applied to two opposite surfaces of the upper shear box and the lower shear box so as to carry out the shear-resisting test. The method is an in-situ test of a soft intercalated layer; shear strength and a shear strength testing result which are obtained by the test accord with the practical condition; accurate physical and mechanics parameters can be provided for stability analysis of a slope.

The invention discloses a processing method of nutritional potato mixed rice. The processing method comprises the following steps: uniformly mixing 70-90 parts of rice meal, 10-30 parts of mashed potato and 10-20 parts of corn flour in parts by mass, wherein the finenesses of the rice meal, the mashed potato and the corn flour are respectively 70-90 meshes, 100-150 meshes and 70-120 meshes; feeding the mixed raw materials into a double-screw extrusion forming device, wherein the double-screw extrusion forming device is divided into six heating regions, and the heating temperatures from a first region to a sixth region are respectively 20-25 DEG C, 50-60 DEG C, 90-100 DEG C, 100-115 DEG C, 110-115 DEG C and 85-95 DEG C; cooling for 1-2 hours by virtue of a cooling fan, and drying at 20-30 DEG C for 4-6 hours, so as to obtain the finished nutritional potato mixed rice. According to the processing method of the nutritional potato mixed rice, by adding the mashed potato into mixed rice, the taste of the mixed rice is improved, the consumption of potatoes is increased, the development of potato industries is promoted, and the food security is guaranteed.

The invention discloses a preparation method of regenerated aramid composite paper. The preparation method includes: pretreating para-aramid chopped fiber, para-aramid pulp fiber and meta-aramid pulpfiber, mixing, loosening to form a uniform fiber/aqueous suspension, adding a papermaking aid into the suspension, dewatering, and molding to obtain composite aramid raw paper; dissolving the meta-aramid fiber by using organic solvent/inorganic salt solution to obtain an aramid solution, dropwise adding the prepared aramid solution into the structure of the aramid composite raw paper, putting thearamid composite raw paper into the air for regeneration, after the regeneration is completed, hot pressing the paper a high temperature and high pressure, and cleaning residual organic solvent and inorganic salt by using water to obtain high-strength aramid composite paper. The quantity of the high-strength aramid composite paper is 20 to 200 g/m2, the thickness is 10 to 300 micrometers, the mechanical strength is greatly improved, and the tensile strength is improved by 20 times.

The invention provides a polycarbonate heat-conducting composite material and a preparation method thereof. The composite material comprises components in parts by weight as follows: 100 parts of polycarbonate, 40-70 parts of heat-conducting masterbatch, 10-30 parts of glass fibers, 0.2-0.8 parts of a main antioxidant, 0.3-1.2 parts of an auxiliary antioxidant and 0.5-2.0 parts of a lubricant, wherein the heat-conducting masterbatch comprises components in parts by weight as follows: 30 parts of porous polycarbonate powder, 10-20 parts of carbon black, 5-20 parts of graphene, 5-10 parts of carbon nano-tubes and 5-15 parts of a compatilizer. The preparation method comprises steps as follows: A, preparation of the heat-conducting masterbatch; B, machining of the heat-conducting composite material: the polycarbonate, the heat-conducting masterbatch obtained in Step A, the main antioxidant, the auxiliary antioxidant and the lubricant are mixed in a high-speed mixer, the glass fibers are laterally fed through accurate calibration and extruded by a twin-screw extruder for granulation, and the polycarbonate heat-conducting composite material with higher heat conductivity is prepared.

The invention relates to the field of sensors, and discloses a preparation method of a silver nanowire modified flexible fiber sensor electrode. A flexible conductive fiber is prepared with a solution mixing method, wherein SBS (styrene-butadiene-styrene) is taken a as flexible substrate, poly 3,4-ethylenedioxythiophene-polystyrene sulfonate-graphene is taken as a conductive material, the electrode is modified with a silver nanowire, and the silver nanowire modified flexible fiber sensor electrode containing SBS/graphene/poly 3,4-ethylenedioxythiophene-polystyrene sulfonate is obtained. The sensor electrode can be applied in the fields of medical biological monitoring, environment and hygiene monitoring and the like.

The invention discloses elastic protein peptide powder. The key points of the technical scheme are characterized in that the elastic protein peptide powder is prepared from the following components inparts by weight: 2,300-2,700 parts of fish collagen hydrolysate, 600-800 parts of blueberry juice powder, 600-800 parts of grape powder, 230-270 parts of cranberry juice powder, 50-350 parts of xylitol, 90-130 parts of green plum powder, 80-120 parts of acerola cherry fruit powder, 40-80 parts of type II collagen peptide hydrolysate, 80-120 parts of L-calcium lactate, 30-70 parts of soybean peptide, 8-14 parts of skipjack elastic protein peptide, 2-5 parts of blood orange powder, 10-14 parts of cubilose peptide, 80-120 parts of beet juice powder, 60-80 parts of citric acid and 1-5 parts of sucralose. The invention aims at providing the elastic protein peptide powder which can remarkably improve skin ageing.

The invention relates to a flow construction method of an underground pipe gallery inner mold system. A pair of mold frame automatic control units is arranged on the same section of a pipe gallery. During construction, after top mold plates, side mold plates and corner mold plates stretch to design positions, an independent early demounting mold plate is mounted at the clearance position of the two top mold plates; complete supporting is formed by the top mold plates, the side mold plates, the corner mold plates and the early demounting mold plate, and pouring is carried out; after concrete reaches certain strength, the top mold plates, the side mold plates and the corner mold plates retract and move to the next work station along with trolleys; and meanwhile, the early demounting mold plate is kept in a supporting state, the early demounting mold plate is demounted after the concrete reaches certain strength, and the demounted early demounting mold plate and the mold frame automatic control units reaching the next work station cooperate to complete subsequent supporting. According to the method, the mold demounting wait time is shortened, the movement and preparation time of the mold frame automatic control units is saved, and repeated utilization is convenient.

The invention relates to the technical field of anchor cable tension construction, in particular to a construction device for compensating loss of anchor cable prestress and a compensation construction method. The construction device is arranged at the outer side of a supporting-retaining structure, and comprises jacking equipment and an anchorage tool, a compression-bearing member is connected to the anchorage tool, an installation space is formed between the compression-bearing member and an anchorage pier, the jacking equipment is installed on the anchorage pier and is in contact with the compression-bearing member, so that the jacking equipment drives the anchorage tool to draw an anchor cable while jacking, the construction device draws the anchor cable outwards through the jacking equipment, the loss of the anchor cable prestress is compensated, the problems in the prior art that the loss of prestress in the using process of the anchor cable cannot be compensated and hidden safety hazards and fracture of the anchor cable exist in the compensation process of the loss of prestress in the tension process of the anchor cable are solved so that the loss of anchor cable prestress can be continuously compensated in real time, in the compensation process, the anchor cable and the anchorage tool are kept relatively fixed all the time, and the personal safety of construction personnel and the safety of the anchor cable itself are ensured.

The invention relates to a horizontal permeable reaction layer for soil remediation and a soil remediating method. A filler in a permeable reactive wall is a mixture of zero-valent iron powder and ferrous sulfate, the reaction of the zero-valent iron powder and the ferrous sulfate is as follows: Cr<6+>+Fe->Cr<3+>+Fe<3+>, Cr<6+>+Fe<2+>->Cr<3+>+Fe<3+>. The soil remediating method comprises the following steps: a) arranging filling holes around a chromium-polluted soil region; b) preparing the zero-valent iron powder and the ferrous sulfate into slurry with good liquidity, controlling the concentration of the slurry to be between 1% and 30%; c) dispersing the slurry within a preset depth range through the filling holes, filling between a soil gap and soil to jointly form a horizontal permeable reactive layer; d) completing punching and filling by holes, checking the forming condition of the permeable reactive layer by sampling inspection in the centers of the filling holes, wherein the sampling ratio is 5%; and e) after the sampling inspection reaches the standard, closing the sampling holes, and setting the permeable reactive wall. According to the soil remediating method, the filler in the permeable reactive wall is improved, the filling is performed by using a slurry manner, gaps among soil are preferably filled, and the reaction efficiency is improved.