187results about How to "Uniform and stable quality" patented technology

The invention relates to a manufacturing method for continuous direct spinning fine denier yarn by uhmwpe jelly method, belonging to the spinning area and solving the problem that the single yarn or yarn beam generated by prior technology is on the high side and bad uniformity so that the difficulty for stability of manufacturing and quality of subsequent product is enhanced and the applicable range is limited. The method is provided with reasonable and compact process flow, stable process control, skillful operation and improving the quality and uniformity of product. By the method continuous stable spinning in line is realized in process parameters and the production efficiency is improved. The labor cost and intensity are lessened. Because there is less turnover link in the middle of process it is favor of decreasing producing consumption and uncontrollable factors. Under the stable running, uhmwpe fine denier yarn or yarn beam with even and stable quality, and good performance is provided.

The invention provides a degarelix acetate lyophilized powder injection, which consists of degarelix acetate, mannitol and sodium acetate in the mass ratio of 1:(1.2-2):(0.02-0.1). The lyophilized powder injection is obtained by performing freeze drying on the degarelix acetate, the mannitol and the sodium acetate serving as main medicaments. In the preparation process, the stability and safety of a preparation are ensured strictly. The prepared degarelix acetate lyophilized powder injection has the advantages of low content of relevant substances, uniform and stable mass, complete moisture drying, stability in transportation, storage and using processes, convenience for clinical application, high stability and high biological activity, and the like. The preparation method adopted by the invention is simple and effective, has high repeatability and low production cost, and is easy for industrial production.

The invention discloses a preparation method of a tea oil anti-cracking cream composition. The method is characterized by comprising the following steps: (1) weighing raw materials according to the formula and weight percentage; (2) preparing an A-phase composition; (3) preparing a B-phase composition; (4) preparing a C-phase composition; (5) preparing a D-phase composition; (6) slowly adding the B-phase composition into the A-phase composition while stirring, stirring for 2-5 minutes, and homogenizing for 5 minutes, wherein the stirring speed is controlled at 15-25 r/m, the homogenizing speed is 1400-2600 r/m, and the homogenizing temperature is controlled at 80-90 DEG C; (7) after homogenizing, stirring for 5-10 minutes again, cooling to 50-55 DEG C, adding the C-phase composition; (8) and adding the D-phase composition while cooling to 40-45 DEG C, continuing to stir, and discharging while cooling to 35-38 DEG C, thereby obtaining the tea oil anti-cracking cream composition. The invention also discloses a tea oil anti-cracking cream composition prepared by the method. The method has stable process; and the product can prevent the skin from cracking from dryness, and has obvious function of renovating cracked skin.

The invention discloses a quantitative marinating method of a leisure meat product. The method comprises the following steps: mixing meat product raw materials and flavorings in proportion, rolling and rubbing, then performing cooking and smoke curing to complete the marinating of the leisure meat product. Compared with traditional marinating methods, the method proportions the raw materials and auxiliary materials quantitatively, has a high spice utilization rate, and has a spice using amount being 10%-30% than that of the traditional methods; the method has no boiling loss; the product yield is improved by 5%-8%; the product quality is consistent; the energy consumption is reduced, and the energy power consumption is only 40%-50% than that of the traditional methods; no waste bittern is discharged, and thus no environmental pollution is caused. The method is suitable for the production of sauce-marinated leisure meat products by cutting raw materials of livestock and poultry fresh (frozen) meat such as duck necks, chicken wings, chicken necks, meat pieces, and the like, and is a novel marinating seasoning method. The method is low in production cost, high in production efficiency, and can realize continuous and industrial production.

The invention relates to an alloy material for a crusher hammerhead, which contains the following chemical elements in percentage by mass: 0.2-0.4% of carbon, 0.7-0.9% of silicon, 3.2-3.5% of manganese, 3.6-3.8% of chromium, 1.7-1.9% of molybdenum, 0.2-0.5% of titanium, 0.02-0.04% of Sb, 0.01-0.02% of Lu, 0.02-0.03% of Ga, at most 0.05% of S, at most 0.05% of P and the balance of iron. By using the low-carbon steel as the main material, the material has favorable toughness; the material contains the Sb, Lu, Ga and many other alloy elements, so that the alloy has high hardness, high wear resistance and high hot strength; and the material is suitable for a medium-size crusher and used for crushing ores with moderate hardness, the service life can be prolonged by 1 time or so as compared with high-chromium cast iron, and the cost is lower. When the refining agent is used for casting production, no pores can be generated on the casting surface, and the included oxide content is obviously lowered.

The invention provides a functional drink with a function of relieving visual fatigue and a preparation method thereof, belonging to the technical field of functional drinks. The functional drink with the function of relieving the visual fatigue is prepared from five raw materials of lutein, medlar, chrysanthemum, white granulated sugar and citric acid, wherein the lutein is extracted from marigold; the functional drink is prepared by adopting a series of steps of pretreating raw materials, extracting, blending and the like. The functional drink prepared by adopting the preparation method is safe and reliable in raw materials; meanwhile, no caffeine, preservative and artificial color are added, and the functional drink has functions of improving the eyesight and relieving the visual fatigue.

The present invention relates to an alpha-amino acetophenone photoinitiator preparation method, particularly to a preparation method of 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)butanone and 2-(4-methylbenzyl)-2-dimethylamino-1-(4-morpholinophenyl)butanone. According to the present invention, 1-p-fluorophenyl-1-butanone is adopted as the raw material, and only the safe and cheap solvent is used in the whole method to conveniently prepare 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)butanone and 2-(4-methylbenzyl)-2-dimethylamino-1-(4-morpholinophenyl)butanone; and the method has characteristics of cheap and readily available raw materials, high yield, no requirement of intermediate purification, and continuous reaction without solvent replacement, and is the preparation method with characteristics of low cost, environmental protection and easy operation and suitable for industrialization.

The invention discloses a highly-wear-resistant alloy steel material used for pump trucks. The alloy steel material comprises following chemical elements by weight: 0.2-0.4% of carbon, 1.4-1.7% of silicon, 4.2-4.4% of manganese, 1.7-2.1% of chromium, 0.4-0.7% of molybdenum, 0.1-0.3% of aluminum, 0.3-0.5% of boron, 0.5-0.8% of titanium, 0.04-0.07% of La, S not more than 0.04% and P not more than 0.04%, with the balance being iron. The alloy steel has high hardness, good wear resistance, high toughness, good plasticity, good corrosion resistance and long service lifetime, and is suitable for working in highly-wearing environments such as pump truck tank bodies, delivery pipes, and the like. A portion of waste iron is used as a raw material of the alloy steel material and a secondary refining process is performed so that the quality of the alloy steel material is stable and uniform. A refining agent provided by the invention is used for casting production and is capable of increasing the rate of finished products, reducing the porosity degree in castings by 1-2 degrees, avoiding air hole generation on casting surfaces and reducing significantly oxide inclusion which is about at the 2 level.

The invention discloses a high-temperature resistant and wear-resistant alloy steel lining plate material which comprises the following chemical elements in percentage by mass: 0.2-0.4% of carbon, 0.2-0.4% of silicon, 3.5-3.7% of manganese, 0.7-0.9% of chromium, 0.8-1.1% of molybdenum, 1.2-1.4% of vanadium, 0.1-0.15% of lanthanum, 0.04-0.07% of Nb, less than or equal to 0.04% of S, less than or equal to 0.04% of P and the balance of iron. In the lining plate provided by the invention, the alloy steel obtained by adding the elements such as lanthanum, molybdenum and niobium into low-carbon steel has the advantages of high hardness, high strength, good wear resistance, high-temperature resistance, good toughness, good plasticity, corrosion resistance and high cost performance. In the lining plate material disclosed by the invention, the waste iron is partially used as the raw material, secondary refining is performed, the thermal treatment temperature after casting is reasonably controlled, the raw material is fed in batches, and the comprehensive mechanical properties are improved. A refining agent is applied to the casting production; and in a casting, the porosity is reduced by 1-2 degrees, and the oxide inclusion is at about level 2.

The invention discloses an organic fertilizer packaging silo. The organic fertilizer packaging silo comprises a sorting silo, first feeding baffles, a first angle adjuster, a sensing electric eye, first feeding shafts, first feeding paddles, cleaning guide tracks, a cleaning sliding block, a screen cleaning brush, a sorting screen, sorting oscillators, a second feeding baffle, a second angle adjuster, a weight sensor, a second feeding shaft, a second feeding paddle and feeding tubes. By the organic fertilizer packaging silo, conveying and packaging of organic fertilizers can be monitored and adjusted in real time, the packaging quality of the organic fertilizers is ensured to be uniform and stable, and at the same time, conveyance of the organic fertilizers can be planned automatically. The organic fertilizer packaging silo is convenient to operate, high in degree of automation and high in production efficiency.

The invention relates to a pump super-wear-resistant high-hardness alloy steel material which comprises the following chemical element compositions in percentage by mass: 2.2-2.4% of carbon, 0.3-0.4% of silicon, 1.7-1.9% of manganese, 3.4-3.6% of chromium, 5.7-6.2% of tungsten, 0.7-0.9% of vanadium, 2.1-2.3% of molybdenum, 0.5-0.7% of cobalt, 0.2-0.3% of titanium, 1.3-1.5% of magnesium, 0.6-0.8% of aluminum, 0.5-0.7% of boron, 0.04-0.06% of niobium, 0.1-0.15% of gadolinium, less than or equal to 0.04% of S, less than or equal to 0.04% of P, and the balance of iron. Elements of tungsten, boron and the like are added in the pump super-wear-resistant high-hardness alloy steel material on the basis of high-carbon steel, so that the hardness and wear resistance of the alloy can be enhanced, and the thermal strength performance and toughness of the alloy can be increased by using elements of vanadium, niobium and the like; the porosity of castings can be reduced by one to two degrees through a refining agent, and the oxide inclusion is at about 2 level. The alloy steel is applicable to components of impellers, conveying pipelines, valves and the like of a pump.

The invention relates to a wear-resistant alloy steel material for valve bodies, which contains the following chemical elements in percentage by mass: 1.2-1.5% of carbon, 2.2-2.5% of silicon, 0.4-0.5% of manganese, 1.6-1.8% of chromium, 0.6-0.8% of copper, 1.2-1.4% of vanadium, 0.12-0.15% of boron, 0.15-0.20% of titanium, 0.1-0.15% of strontium, at most 0.030% of S, at most 0.030% of P and the balance of iron. By using the combination of the chromium, manganese, titanium and many other raw materials, the formed alloy steel has the characteristics of high strength, high hardness, favorable wear resistance and favorable corrosion resistance. Part of scrap iron is used as the raw material, and secondary refining is performed, so that the product quality is more stable and uniform. By adding the refining agent, the porosity is lowered by 1-2 degrees, and the oxide inclusions are lowered by 2 levels or so. The alloy steel is suitable for manufacturing valve bodies and is corrosion-resistant, and the service life is obviously prolonged.

The invention discloses a process of preparing calcium carbonate by an air bubble film method and application thereof and belongs to the technical field of preparation of inorganic nonmetal calcium carbonate powders. The process herein comprises carbonization and surface treatment; refined calcium hydroxide slurry is quickly carbonized in an air bubble film quick carbonizing reactor; a slurry fromthe reaction is subjected to suitable surface treatment as required; the treated slurry is filtered, drying is carried out before crushing, and screening is performed to obtain calcium carbonate powder uniform in particle size. The process herein has no need for adding a crystal form control agent; the crystal morphology is controllable; the finished product has uniform particle size and good dispersity; the process is simple and feasible and has low production cost; the prepared calcium carbonate powder is applicable to the industries of plastics, rubber, papermaking, foods, medicine, and cosmetics, and has good economic and social benefits.

The invention relates to a corrosion-resistant, wear-resistant and high-temperature-resistant alloy steel material for a pump valve. The material comprises the following chemical elements in percentage by weight: 0.3-0.5% of carbon, 0.5-0.8% of silicon, 8.2-8.4% of manganese, 4.4-4.6% of chromium, 1.9-2.1% of molybdenum, 5.1-5.3% of nickel, 0.8-1.0% of niobium, 2.2-2.4% of magnesium, 4-5% of zinc, 0.02-0.04% of boron, 3.2-3.4% of titanium, 0.5-0.8% of Be and the balance of ferrum and inevitable impurities. On the basis of low carbon steel, elements such as manganese, boron and magnesium are added, so that the formed alloy steel has extremely good characteristics of corrosion resistance, wear resistance, acid resistance and high hardness. A refining agent is used for foundry practice. The pore degree is reduced by 1-2 degrees, and oxide inclusion is in about level II. According to the alloy steel for the pump valve, the service life is more than doubled compared with that of a common stainless steel acid proof pump.

The invention relates to a rare-earth wear-resistant stainless steel lining board material which contains the following chemical components in percentage by mass: 0.2-0.4% of carbon, 0.3-0.4% of silicon, 3.2-3.4% of manganese, 3.5-3.8% of chromium, 0.03-0.04% of nickel, 0.12-0.25% of molybdenum, 0.04-0.07% of vanadium, 0.01-0.03% of lanthanum, 0.04-0.07% of Sc, at most 0.04% of S, at most 0.04% of P and the balance of iron. The lanthanum, scandium and other elements are added on the basis of medium/low-carbon steel, so the obtained alloy steel has the advantages of high hardness, excellent wear resistance, favorable toughness, favorable plasticity and corrosion resistance; and compared with the low-carbon high-alloy steel, the alloy steel provided by the invention has lower cost. Part of scrap iron is used as the raw material, so that the alloy quality is more stable and uniform, thereby enhancing the comprehensive mechanical properties. When the refining agent is used for casting production, the yield is obviously enhanced.

The invention discloses an antimony-containing highly-wear-resistant alloy steel material used for pump valves. The alloy steel material comprises following chemical elements by weight: 0.3-0.45% of carbon, 0.7-0.85% of silicon, 1.1-1.4% of manganese, 2.7-2.9% of chromium, 0.3-0.5% of boron, 0.12-0.15% of cerium, 0.5-0.8% of As, 0.02-0.04% of Sb, S not less than 0.04% and P not less than 0.04%, with the balance being iron. By adoption of combination of the antimony, the boron, the cerium, and other elements, the alloy steel obtained has high hardness, good wear resistance, good toughness and good corrosion resistance, is suitable for working in highly-wearing environments, such as pump truck tank bodies, delivery pipes, bearings, pump shafts, and the like, and has service lifetime two times longer than a common material. A portion of waste iron is used as a raw material of the alloy steel material and a secondary refining process is performed so that the quality of the alloy steel material is stable and uniform. A refining agent provided by the invention is used for casting production. The porosity degree in castings is reduced by 1-2 degrees. Oxide inclusion is at about the 2 level.

The invention discloses a texturing technology for a transparent conducting film as a top electrode of a thin film solar cell. The technology successively comprises the following operational steps: immersing, cleaning and drying. According to the immersing, the cleaning and the drying steps, an automatic control method is employed to carry out automatic and continuous immersing, etching and texturing. A solution for etching of a transparent conducting film is composed of oxalic acid, hydrochloric acid, a surface active stabilizer and deionized water as well as particularly comprises, by weight: 0.1% to 1.5% of the oxalic acid; 0.3% to 2.5% of the hydrochloric acid; 0.01% to 0.5% of the surface active stabilizer; and the balance being the deionized water. According to the invention, an etching solution that is prepared autonomously and an integrated matching of various technologies including an automatic up-and-down feeding technology, an automatic temperature adjusting technology, an automatic immersing technology, an automatic cleaning technology, an automatic drying technology and an automatic monitoring and control technology and the like are utilized, so that industrially automatic and continuous immersing and etching production of the transparent conducting film that is needed by the thin film solar cell is realized.

The invention discloses irinotecan hydrochloride pharmaceutical composition and a preparation method thereof. The composition contains irinotecan hydrochloride and mannitol. The preparation method comprises the following steps: 1), preparation is performed: ambroxol hydrochloride and mannitol are placed into a preparation tank in a weight ratio of 1:(1-20), water for injection is added, and the mixture is stirred until complete dissolution and uniform mixing are achieved; 2), sterile filtration, subpackaging and half stoppering are performed; and 3), vacuum freeze drying is performed to obtain a product. The composition and the preparation method have the advantages that the formula is simple, the technology is advanced, the quality is uniform and stable, moisture drying is thorough, and the redissolution performance is better.

A red-hardness high alloy steel material for pump valves comprises the following chemical element components by mass percent: 0.2-0.4% of carbon, 0.6-0.9% of silicon, 1.7-1.9% of manganese, 2.1-2.4% of molybdenum,1.6-1.8% of chromium, 0.02-0.04% of vanadium, 0.02-0.05% of nickel, 0.1-0.15% of niobium, 0.04-0.06% of Ta, not more than 0.04% of S, not more than 0.04% of P, and the balance of iron. The alloy steel of the invention not only has high hardness and good red hardness, but also has good toughness and good wear resistance. The method of the invention partly adopts scrap iron as a raw material; secondary refining is performed; and the comprehensive mechanical properties are improved. The alloy steel of the invention is suitable for high-wear rate parts used at high temperature, such as pump shafts, pipelines, valves and the like. The method of the invention adopts a refining agent in the casting production, which significantly improves the yield, especially reduces the degree of porosity in casting by 1-2 degrees, and controls the oxide inclusion level at about grade two.