90results about How to "Helps control production costs" patented technology

The invention provides a formula of a culture medium for industrial production of sparasis crispa and a production process. The formula of the culture medium comprises the following components in percentage by dry weight: 65 to 75 percent of pine sawdust, 10 to 20 percent of husk, 5 to 10 percent of potato powder, 5 to 10 percent of flour, 0.1 to 0.5 percent of peptone, 0.1 percent of ammonium sulfate and 1.2 to 1.8 percent of brown sugar. The production process comprises the following steps of: preparing and bagging the culture medium; sterilizing and inoculating; culturing hypha; inducing a primodium; differentiating the primodium; opening the bag; managing balls; and harvesting. The invention provides a formula of a culture medium for industrial production of sparasis crispa, which has the advantages of rich nutrition, balanced proportion, good ventilation, and capacity of meeting the requirement of industrial production. The production process has the advantages of short hypha culturing time, uniform fruiting at bag openings, good fruiting consistency, convenience of management, contribution to industrial culture, white mushroom body, high yield, and high biological transformation rate of over 43 percent.

The present invention discloses a new synthesis process of canagliflozin. The new synthesis process comprises: adopting 2-methyl benzoic acid as a starting raw material, and adopting a self-made catalyst, iodic acid and iodine to carry out a reaction to produce an intermediate 1, or adopting 2-methyl benzoic acid as a starting raw material, and adding liquid bromine under effects of a metal reagent and a catalyst to synthesize an intermediate 2; optionally selecting the intermediate 1 or 2 to carry out an acylation reaction with thionyl chloride, and then carrying out a Friedel-Crafts reaction to produce an intermediate 3; adopting ALPHA-D-glucose as a raw material, carrying out a reaction with pivaloyl chloride to protect all hydroxyl, and carrying out a reaction with zinc bromide and bromotrimethylsilane to produce an intermediate 4; linking the intermediate 3 and the intermediate 4 to produce an intermediate 5; and finally under an acid condition, removing the pivaloyl to produce the target compound. The new synthesis process has characteristics of high yield, mild condition, safety, reliability, cheap and easily available raw material, and easy production cost control, and is suitable for industrial production.

The invention discloses a method for increasing a sulfur content of a sulfur-carbon composite through a vulcanization accelerator. The method comprises the steps of enabling a carbon source, a sulfur source and the vulcanization accelerator to be mixed and ball milled to obtain a uniform mixture; and putting the uniform mixture into a sealed container, and pumping protective gas to enable the mixture to be fully reacted at a vulcanizing temperature of 100-700 DEG C to obtain the sulfur-carbon composite. The method provided by the invention is simple and effective, and capable of greatly increasing the sulfur content of the sulfur-carbon composite; therefore, the electrochemical performance of a lithium-sulfur battery taking the sulfur-carbon composite as the positive electrode material can be improved; for example, the discharge capacity and the cycling stability of the battery can be dramatically improved while other impurities affecting the operation of the battery are not introduced either.

The invention discloses a code management method for product classification and identification. According to the code management method, ten bits of codes are included, wherein the first five bits of codes are feature codes, and the last five bits of codes are extended codes; according to the feature codes, the first-bit code is an assembly feature code, the second-bit code is a special feature code, the third-bit code is a management feature code, the fourth-bit code is a manufacturing feature code, and the fifth-bit code is a supply feature code; according to the extended codes, the first-bit code is a key identification code, the second-bit code is a material identification code, the third-bit code is a unit goods category code, the fourth-bit code is a type identification code, and the fifth-bit code is a special feature code. According to the code management method for product classification and identification, relevant features of products are presented visually, so that identification of an information-based system is facilitated, production and management efficiency of an enterprise can be improved, product loss caused by unclear classification is reduced, and production cost can be easily controlled.

The invention provides a catalyst for synthesizing a polyethylene oxide polymer. The catalyst comprises a component 1, a component 2 and a component 3. The component 1 is a crown ether. The component2 is a quaternary phosphonium salt. The component 3 is an alkali metal and / or an alkali metal compound. The catalyst can reduce an alkali metal ionic concentration of the product, improve product quality and is suitable for the high standard industrial field. The invention also provides a method for synthesizing the polyethylene oxide polymer. The method comprises mixing an active hydrogen-containing compound and the catalyst, adding ethylene oxide into the mixture in an oxygen-free environment or in a vacuum environment, controlling a temperature in a range of 100-180 DEG C and pressure lessthan or equal to 1.0MPa, keeping the conditions for 1-8h to obtain the reaction product containing the polyethylene oxide-containing polymer and adding an acidic compound for neutralization into the reaction product. The method is easy to operate, is environmentally friendly, improves product quality and is suitable for high-standard industrial production.

The invention discloses a height-adjustable needle seat structure. The height-adjustable needle seat structure comprises a base and a needle, wherein the needle is arranged on the base, and the needle comprises a needle head, a needle body and a needle connecting part; the base comprises a base body and a bottom cover, and a connecting hole which corresponds to the needle connecting part is formed in the base body; a gap is formed between the base body and the bottom cover after the bottom cover and the base body are closed, a sleeve and a bolt are arranged on the bottom cover, the sleeve is in threaded connection with the bolt, a connecting stud which corresponds to the bolt is arranged on the base body, and the gap between the base body and the bottom cover can be adjusted to be small / large by rotating the bolt to move to the inside / outside of the connecting stud. By using the scheme of the height-adjustable needle seat structure, operating personnel can conveniently replace the bent needle, the service life of a needle seat is prolonged, and additionally, the height of the needle seat structure can be freely adjusted.

The invention provides a formula of a culture medium for industrial production of sparasis crispa and a production process. The formula of the culture medium comprises the following components in percentage by dry weight: 65 to 75 percent of pine sawdust, 10 to 20 percent of husk, 5 to 10 percent of potato powder, 5 to 10 percent of flour, 0.1 to 0.5 percent of peptone, 0.1 percent of ammonium sulfate and 1.2 to 1.8 percent of brown sugar. The production process comprises the following steps of: preparing and bagging the culture medium; sterilizing and inoculating; culturing hypha; inducing aprimodium; differentiating the primodium; opening the bag; managing balls; and harvesting. The invention provides a formula of a culture medium for industrial production of sparasis crispa, which hasthe advantages of rich nutrition, balanced proportion, good ventilation, and capacity of meeting the requirement of industrial production. The production process has the advantages of short hypha culturing time, uniform fruiting at bag openings, good fruiting consistency, convenience of management, contribution to industrial culture, white mushroom body, high yield, and high biological transformation rate of over 43 percent.

The invention discloses an automatic molding vulcanization system and method for rubber products. The system includes a logistics system and a plurality of molding vulcanization units with the same structure; the logistics system is arranged at both ends of each molding vulcanization unit; the molding vulcanization unit includes a vulcanizer (1), feeding mechanism (2), feeding auxiliary mechanism (5) and unloading mechanism (3); the logistics system includes feeding conveyor belt (6), unloading conveyor belt (7), motor A (8), motor B (9), finished product collection box (10), vibrating screen (11), mold conveyor belt (12), motor C (13), grabbing robot (14) and mold storage warehouse (15). The mold cavity of the present invention is small, the size is small, and the tonnage of the vulcanizing machine is small, so the vulcanization cost is low, and the mold can be automatically matched and the billet can be automatically molded and vulcanized. After the production task is completed, the mold can be automatically replaced to carry out the production task of the next drawing number, which is especially suitable Molded and vulcanized for military special rubber products.

The invention relates to a complete desulfurization system structure and layout of a small boiler. The invention aims at providing a complete desulfurization system of a small boiler, which prevents congestion during the discharge of slurry in an absorption tower, reduces the power consumption and reduces the occupied space. The system comprises an absorbent preparation system and an SO2 absorption system, wherein the SO2 absorption system comprises an absorption tower, a demister is arranged in the absorption tower, the SO2 absorption system comprises a sedimentation tank, the sedimentation tank is connected with the absorption tower by a siphon pipeline of which middle segment is bent upward, a siphon inlet end of the siphon pipeline is connected to a lower part of the absorption tower, and a siphon outlet end of the siphon pipeline is located above the sedimentation tank. According to the complete desulfurization system provided by the invention, the slurry in the absorption tower is discharged by a pipeline via the principle of pressure difference and siphon without consuming power, the blockage of the pipeline is also prevented in the process, and as the siphon pipeline is bent upward, the occupied space is reduced as well.

The invention provides a graphene / silicon carbide reinforced copper-based composite material and a preparation method thereof, and relates to the technical field of copper-based composite materials. The graphene / silicon carbide reinforced copper-based composite material contains the following components of, in percentage by weight, 0.3wt%-0.8wt% of graphene, 0. 2wt%-0.6wt% of SiC, 0. 02wt%-0.2wt%of Ni, and the balance copper; the preparation method comprises the following steps that (1) mixing is carried out; (2) ultrasonic dispersion on graphene is carried out, mixed powder and stearic acidare added, ultrasonic dispersion is carried out, and then mixing and stirring are carried out; (3) ball milling is carried out; (4) drying is carried out; the stearic acid is removed; (5) pre-pressingforming is carried out, and a pressed shape is loaded into a graphite mold; and (6) vacuum hot pressing is carried out, wherein the hot pressing temperature is 840-860 DEG C, the hot pressing pressure is 40-50 MPa, the hot pressing time is 100-130 min; and (7) hot rolling is carried out; the temperature is heated to 360-400 DEG C, heat preservation is carried out, then the temperature is reducedto 160-180 DEG C, and then air cooling is carried out. According to the preparation method, the raw material selection and the raw material proportion are reasonable, and an optimized preparation process is combined, so that the prepared composite material has the advantages of being good in conductive performance, high in strength, high in hardness, good in toughness and excellent in wear resistance.