61results about How to "Solve the dosage" patented technology

The invention relates to a pesticide formulation of nimbin and emamectin benzoate and preparing method belonging to the technology field of pesticide preparation, wherein the conventional in-situ polymerization method is improved for the preparing process, which comprises the preparation of ureaformaldehyde resin prepolymer aqueous solution, preparation of avermectin mixture solution and the preparation of avermectin microcapsule. The invention solves the problem of influenced drug effect by the combination of avermectin and soil, the drug effective period is also extended.

The invention discloses a separation and purification process for producing branched chain amino acid by using a fermentation method. The process comprises the following steps: 1) preparing a rough product; 2) preparing branched chain amino acid salt by using a hydrochloric acid technique; 3) desalting to purify a multi-membrane combined system. As a rough fermentation finished product is adopted to prepare hydrochloride firstly, secondly, other amino acids are separated and purified, and subsequently the multi-membrane combination technique is adopted to replace an ion exchange technique, the acid and alkali consumption is reduced, the wastewater emission is reduced, and clean production, energy conservation and emission reduction are achieved; a fermentation liquid is partially desalted by using an electrodialysis technique in the multi-membrane combination technique, and the salt is removed by coupling the electrodialysis technique with the ion exchange technique, the problems of use amount of ion exchange resin recycled acid and alkali and salt contamination are effectively solved, and the water consumption is reduced.

The invention relates to a preparation method of tert-butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate. The preparation method is characterized in that tert-butyl (S)-6-chloro-5-hydroxy-3-carbonylhexanoate is taken as a substrate and the substrate is subjected to reduction reaction in the presence of a biocatalyst, a coenzyme and coenzyme regeneration systems to generate tert-butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate; the biocatalyst is ketoreductase; the coenzyme is NADP (nicotinamide adenine dinucleotide phosphate); the coenzyme regeneration systems are glucose and glucose dehydrogenase; the reduction reaction is carried out in a phosphate buffer solution at 25-30 DEG C in the presence of an enzyme protection reagent; the pH value of a reaction system is controlled to be 6.0-8.0 by adding a sodium carbonate solution. The preparation method has the effects of substantially increasing the concentration of the substrate and reducing the usage amount of the enzyme, so that the product has good production environment friendliness and the commercial value of industrialization is prominent.

The invention discloses a graphene composite nano-copper conductive ink composition and a preparation method thereof. The graphene composite nano-copper conductive ink composition comprises the following components in mass fraction: 10-80wt% of graphene coated nano copper powder, 1-20wt% of epoxy resin, 1-15wt% of an epoxy resin curing agent, 1-30wt% of polyvinyl acetal resin, 1-30wt% of an organic solvent, 0.5-10wt% of a flexibilizer, 0.5-2wt% of a defoaming agent, 0.5-3wt% of an antioxidant, 0.1-2wt% of an adhesion promoter and 0.1-1wt% of a thixotropic agent. The preparation method comprises the following steps that firstly, the graphene coated nano-copper powder is prepared, then the flexibilizer and the organic solvent are mixed to prepare a flexibilizer system, then the epoxy resin,the epoxy resin curing agent, the organic solvent, the graphene coated nano copper powder, the flexibilizer system, the defoaming agent, the antioxidant, the adhesion promoter and the thixotropic agent are sequentially mixed so as to obtain the graphene composite nano-copper conductive ink composition. The graphene composite nano-copper conductive ink composition prepared through the preparation method has the advantages of being high in conductivity, small in usage amount of graphene, easy to disperse, low in cost and suitable for mass production.

The invention relates to a pitch system and a power supply method of the pitch system. The pitch system comprises an energy storage device, the input end of the energy storage device is connected with a power supply wire feed end, and the output end of the energy storage device is connected with a variable pitch drive device. The energy storage device comprises an AC/DC rectifier (4), a bidirectional DC/DC convertor (6), an energy storage element (8), a DC/AC inverter (9), another bidirectional DC/DC convertor (6) and another energy storage element (8). According to the power supply method of the pitch system, when a variable pitch drive device side load runs within a set range which is equal to or greater than rated power of the variable pitch drive device, or the voltage value of the energy storage elements is smaller than a set upper limit value of the energy storage elements or a fan variable pitch load does not exceed a set value, the energy storage elements are charged; when instant short-time peak power occurs in the variable pitch drive device side load and exceeds a set main power supply variable pitch power upper limit value or the fan variable pitch load exceeds the set value, the energy storage elements are discharged.

The invention discloses an existing-road-crossing cast-in-situ trough beam three-point sliding jacking construction method. The method comprises steps of 1, pier and temporary pier construction; 2, slideway beam erection; 3, horizontal crossbeam layout; 4, trough beam cast-in-situ construction; 5, traction device installation; 6, jacking; 7, beam dropping. According to the method, design is reasonable, construction is easy, and the use effect is good; two back slide beams and one front slide beam are used for forming a three-point longitudinal passage, and horizontal cross beams are laid at the bottoms of the front end and the back end of the cast-in-situ trough beam respectively, the problem that deformation of the slide beams on the to sides is asynchronous in existing-road-oblique-crossing cast-in-situ trough beam jacking construction can be effectively solved; in addition, temporary piers are constructed on the two sides of an existing road in the cross bridge direction respectively, the temporary pier construction workload can be effectively reduced, and the cost can be effectively reduced; meanwhile, the influence on use of the existing road can be effectively reduced or evenavoided.

The invention discloses a novel domestic alcohol oil burner which comprises a base, a straight spray nozzle, a big-end-down fire collection cover, a fire distribution cap and a sound insulation barrel, wherein an air inlet is formed in the base, the straight spray nozzle is installed in the center of the base, the top and the side face of the fire distribution cap are provided with fire distribution holes respectively, and the sound insulation barrel is installed on the base and surrounds around the fire collection cover and the fire distribution cap. The upper end of the sound insulation barrel is provided with a fire tray extending out of the barrel. According to the novel domestic alcohol oil burner, the straight spray nozzle is utilized for sufficiently spraying out alcohol oil in an atomization mode, the spraying force of the nozzle is greatly reduced, fire power is prevented from being too excessive, balance distribution of fire power is achieved through the fire collection effect of the fire collection cover and the fire distribution effect of the fire distribution cap, the fire spraying mode is more scientific and reasonable on the condition that the heat value is not lowered, the requirement for domestic miniaturization can be met, the sound insulation barrel can effectively prevent noise produced when the novel domestic alcohol oil burner is used from diffusing and can also play a certain fire collection role, and multiple problems in the prior art are effectively solved.

The invention provides a polymer-reinforced prestressed concrete cylinder pipe molding technology, and belongs to the technical field of pipeline manufacturing. The polymer-reinforced prestressed concrete cylinder pipe molding technology comprises the following steps that (1) manufacturing of a lining mold is conducted, wherein circumferential prestressed wires are wound around a concrete pipe core with a steel cylinder, a PCCP semi-finished product is formed and directly serves as the lining mold, and a reinforcing net is prefabricated in the concrete pipe core; (2) pretreatment of an outer mold is conducted, wherein a release agent coats the inner wall of the outer mold; and (3) construction of a pouring structure is conducted, wherein the lining mold, the reinforcing net and the outer mold are combined in sequence from inside to outside so as to form the pouring structure, polymer concrete is poured into the pouring structure, the outer mold is removed after molding is accomplished,and therefore a polymer-reinforced prestressed concrete cylinder pipeline is obtained. The polymer-reinforced prestressed concrete cylinder pipe molding technology is simple, and the manufactured polymer-reinforced prestressed concrete cylinder pipeline is excellent in performance and has the advantages of being high in sealing performance, strength and anti-permeability and resistant to corrosion.

The invention discloses a method for transporting pheretima asperfillm larvae. According to the method, transport carrier feed is loaded in a transport case, the pheretima asperfillm larvae are placedin the transport carrier feed, the relative humidity in the transport case is controlled in 45%-75%, the temperature is 15 DEG C-30 DEG C, and then the transport case is transported to the destination; the transport carrier feed is a mixture of peat soil and cow dung or a mixture of farmland soil and cow dung; venting holes are formed in the wall of the transport case. The method carries out an experiment aiming at the problems such as a transport carrier, feed, density, temperature, humidity control and the like in the transportation process, and the transportation is convenient by screeningcarriers and reducing weight; the feeding amount of earthworm larvae under different conditions is tested, and the problem of feed use amount in the transportation is solved; the carrier feed ratio is screened for optimizing to solve the transportation density problem; research and development are conducted on transportation equipment to solve the temperature and humidity control problem. The method can solve the transportation problem of the pheretima asperfillm larvae, and the survival rate during the transportation is 97% or above.

The invention discloses a process for preparing branched chain amino acid and application of the process. The process comprises the following steps: step 1, pre-treating raw materials; step 2, preparing a branched chain amino acid crude product; step 3, purifying a compound inorganic film; step 4, carrying out low-temperature concentration and crystallization; step 5, carrying out low-temperature and vacuum microwave drying; step 6, cooling and crushing; step 7, carrying out infrared-microwave drying; step 8, packaging.

The invention discloses a water cleaning process for artificial leather clothing. The process comprises the following steps: putting the artificial leather clothing into a drying machine; heating and drying for 10-20 minutes at the temperature of 50-55 DEG C; uniformly spraying an aid solution onto the leather clothing by using a high-pressure water gun to moisten the leather clothing; closing a door of the drying machine to dry for 10-20 minutes; stopping the drying; beating by using cold air for 10-30 minutes. Compared with the conventional operating method, the water cleaning process for the artificial leather clothing has the advantages that high economical efficiency is realized, the number of needed equipment and personnel is small, labor force is saved, and the production cost is saved more importantly. The operating method has very remarkable economic benefits during production of 400,000 PU leather clothing, namely, water is saved by 236.8t, electricity is saved by 30,800 degrees, steam is saved by 375t, the cost is saved by 115,095.80 yuan, and the working efficiency is increased by 1.6 times.

The present invention belongs to the technical field of catalyst preparation, and relates to a tris[tris(m-sodium sulfonate phenyl)phosphine]rhodium chloride catalyst preparation method, which comprises: under nitrogen protection, dissolving an ascorbate and rhodium chloride in an anhydrous alcohol in a mixed manner, adding to a tris(m-sodium sulfonate phenyl)phosphine aqueous solution at a temperature of 60-100 DEG C, carrying out a reaction for 0.5-2 h, adding an alcohol to the reaction solution after completing the reaction, precipitating, and separating and recovering the target catalyst tris[tris(m-sodium sulfonate phenyl)phosphine]rhodium chloride. According to the present invention, the method has advantages of easily available raw materials, less ligand tris(m-sodium sulfonate phenyl)phosphine consumption, simple preparation process, high product yield, and good quality; and the catalyst can be used for hydroformylation reactions, hydrogenation reactions, and carbon-carbon coupling reactions.

The invention provides an ultraviolet photoelectric sensor positioning fixture and a mounting method thereof. The positioning fixture is of a coaxial sectioned cylinder structure, the outer circumference of a small cylinder of an upper section of the positioning fixture is in clearance fit with the inner circumference of the lower end of a polytetrafluoroethylene lining, a spherical groove is formed in the end face of the small cylinder, the spherical center of the spherical groove is positioned in the central axis of the positioning fixture, the spherical radius of the small cylinder is equal to that of the bottom of an ultraviolet photoelectric tube, and the difference between the thickness of the small cylinder and the maximum depth of the spherical groove is equal to the assembly spacing between the bottom of the ultraviolet photoelectric tube required by the design of an ultraviolet photoelectric sensor and the bottom of the polytetrafluoroethylene lining. The positioning fixture serves as a tool, an ultraviolet flame detector can be effectively positioned, the gap and the dosage of one-component vulcanizing silicone rubber with bonding, fixing and shake-proof actions are effectively controlled, and cleaning after construction is omitted, process and standardization of assembly technology are ensured, and assembly efficiency is improved.

The invention discloses a preparation method of a lysine acetate bulk drug, and belongs to the technical field of amino acid preparation. According to the preparation method, a conventional method ofusing an ion exchange column to remove chlorine is not used any more, thus acid, alkali, or ammonia water is not used, and the environmental pollution is reduced. An organic solvent/inorganic salt dual water phase system is established to separate and extract lysine acetate, and compared with a conventional ion exchange extraction method, the wastewater amount and consumed acid and alkali are further reduced. The recovery rate of provided preparation method can reach 99.8%, the product purity can reach 99.7%, and the light transmittance can reach 99.8%.

The invention discloses a flexible sliding power supply assembly, a massage back cushion and a control method of the massage back cushion. Two or more fixing grooves are formed in a flexible conductive rail, and conductive strips are installed in the fixing grooves in an embedded mode; a sliding conductive assembly is installed on the flexible conductive rail, the sliding conductive assembly is slidably and electrically connected with the conductive strip, and the conductive strip is correspondingly and electrically connected to the power supply and the controller. The flexible conductive railcan be unidirectionally bent in a large arc manner to adapt to massage chairs in different shapes, is good in adaptability, and can be used for a common back cushion and a curved back cushion; the flexible conductive rail and the tunnel type sliding power transmission assembly can be made into standard parts, and can be universally used for various back cushions, so that the development cost is reduced, and the assembly is convenient; the flexible conductive rail is connected by adopting a tunnel type probe control sleeve structure, and is fixed reliably during sliding guide; and one controller can be connected with a plurality of massage machine cores with tunnel sliding electricity transmission assemblies, the number of wires is reduced, and the problems that wires of a massage cushionare broken and massage heads are twisted are thoroughly solved.

The invention belongs to the field of building materials and discloses a compound water permeable brick and a preparing method thereof, which include a surface course, a brick nuclear and a bottom layer. The surface course material comprises surface course binder, yellow pottery and the like; the bottom layer material comprises sand and the like; and the brick nuclear material comprises gravel, cement, activated carbon, polyacrylamide and water. The preparing method includes preparing surface course, preparing bottom layer, making brick nuclear, encapsulating the prepared surface course and the bottom layer on the made brick nuclear, once vibration, pressure vibration and vibration forming. The compound water permeable brick and the preparing method thereof have the advantages that preparing process is easy, and economical, practical and environment-friendly ecological compound water permeable brick is prepared with cheap raw materials, which has strength performance lacked by common water permeable bricks and provides a sound environment for microorganisms to degrade organic pollutants in the brick body.

The invention belongs to the technical field of flue gas water capture, and particularly relates to a flue gas water capture apparatus based on a ceramic membrane, and a ceramic membrane cleaning process, wherein the flue gas water capture apparatus comprises a ceramic membrane unit, a chemical cleaning unit, a gas-liquid alternating backwashing unit and a low-temperature process spraying unit. According to the present invention, with the apparatus, the problems of large water consumption, incomplete cleaning and chemical cleaning agent consumption of the mechanical cleaning are solved, the problem of environmental pollution caused by tiny fine particles in flue gas and acid gas is further solved, and the capturing efficiency of the water vapor by the ceramic membrane assembly is further improved.

The invention discloses a plastic melt color blending device for a plastic pipe extruder, which comprises a transitional connector (3), a front transitional sleeve (6), a rear transitional sleeve (2), a heating ring (5) and at least two color blending components (4), wherein the front transitional sleeve (6) and the rear transitional sleeve (2) are arranged at two ends of a cavity of the transitional connector (3); the color blending components (4) are sequentially arranged in the cavity of the transitional connector (3) and the two ends of the color blending components (4) are pressed against the front transitional sleeve (6) and the rear transitional sleeve (2) respectively; each color blending component (4) comprises annular substrates (4.1) and mutually and peripherally positioning devices between the annular substrates (4.1); and the insides of the annular substrates (4.1) are provided with a fence (4.2) consisting of grid plates (4.2.1) and fence connecting plates (4.2.2). The device makes the surface of plastic pipes uniform in color and free from gas marks and shadows and increases the utilization rate of a colorant.