77results about How to "Reduce exclusion" patented technology

The invention provides a heap-leaching method for separating copper and tin from tin-plated copper wires, belonging to the recovery processing of waste tin-plated copper wires. The method adopting thecopper sulfate replacement/heap-leaching method comprises the following steps: washing and stacking peeled waste tin-plated copper wires on an acid-proof and alkali-proof heap-leaching platform for heap-leaching; pickling the heap-leaching residue with recycling heap-leaching solution, and further washing the pickled heap-leaching residue to obtain detinned copper wires; adding hydrogen peroxideto the heap-leaching solution until no white precipitation is generated, heating the reaction solution until the reaction solution is boiling, standing, filtering, and drying to obtain original stannic acid, and further calcining the original stannic acid to obtain stannic oxide; adding a proper amount of copper powder and blowing air to the filtrate, wherein the addition amount of the copper power is the copper amount required by copper sulfate in the recycling heap-leaching solution; and controlling the temperature and time of the reaction and adjusting the concentrations of copper sulfate and sulfuric acid of the solution by sulfuric acid and water. The method has the advantages that the process is simple and easy-to-operate, the materials and devices are common and cheap, the tin-plated copper wires dispense with stirring in the heap-leaching process, the heap-leaching solution is recyclable and pollution-free, the removal rate of tin is higher than 95%, and the recovery rate of hydrogen peroxide immersion tin is higher than 98%.

The invention discloses an electroslag remelting quaternary slag system for preparing high-purity stainless steel. The electroslag remelting quaternary slag system is characterized by comprising the following compositions in percentage by weight: 50 to 65 percent of CaF2, 20 to 25 percent of Al2O3, 10 to 25 percent of CaO and 0 to 5 percent of MgO. The quaternary slag system is adopted for electroslag remelting, can effectively reduce the non-metallic inclusion content of the steel and improves the purity of the steel under the condition of non-protective atmosphere and has the characteristics of little investment, low use cost and easy realization.

The invention provides a dogwood extraction and its preparation method and use thereof, wherein the preparation consists of extracting dogwood with alcohol, depression concentrating the raffinate to a finite density, collecting the deposition, decompressing and drying, obtaining extract A, passing through macroscopic adsorption resin column, removing foreign substance through washing, ethanol elution, collecting the eluent, decompressing and drying, obtaining extract B, mixing extract A and B homogeneously, thus obtaining the dogwood extract. The invention discloses its novel pharmaceutical use in preparing medicament for prevention and treatment of diabetic blood vessel pathological changes and for reducing blood sugar.

A process for preparing the benzitriazole compound used as UV absorbent includes such steps as heating the aqueous solution of azobenzene compound and Zn, stirring while dropping the aqueous solution of alkali, reaction between Zn and alkali to generate H2, reducing the azobenzene by H2, and closing ring reaction.

Implementations disclosed herein describe a bevel etch apparatus within a loadlock bevel etch chamber and methods of using the same. The bevel etch apparatus has a mask assembly within the loadlock bevel etch chamber. During an etch process, the mask assembly delivers a gas flow to control bevel etch without the use of a shadow frame. As such, the edge exclusion at the bevel edge can be reduced, thus increasing product yield.

The invention refers to a kind of high humidity preservative refrigerator, which includes a refrigerated compartment, in which there sets a vertical isolation board, the board separates the compartment into two spaces, the front space is refrigerated compartment, the back part of the space is transition compartment, there sets a humidity material which is produced into a humidity adjusting device in the front space, the open degree of the vertical isolation board. There sets a vertical isolation board whose open degree is adjustable in the humidity department, it completes the regeneration of the humidity adjusting material through the on-off adjustment of the transition department; the invention can reduces the elimination of cooling water, thus it can save energy.

The invention discloses a continuous distillation system of solid state process bran koji Fen-flavor liquor, and a distillation method. The system comprises a continuous distillation retort apparatus and a steam cooler; the continuous distillation retort apparatus comprises a continuous distillation retort barrel, a solid fermented grain feeding device, a material distribution equalizer, a steam distribution equalizer, a discharging device, a steam outlet and a monitoring system; the steam equalizer is used for distilling a grain layer formed by solid fermented grains in the continuous distillation retort barrel through steam; the discharging device is used for enforcing discharging operation; the monitoring system is used for monitoring the feeding speed, the discharging speed, the thickness of the material layer, the material temperature, the pressure of the steam and the upper steam temperature in order to feedback and adjust the distillation operation; and a steam cooler is used for enforcing grading cooling on the steam. The continuous distillation system of solid state process bran koji Fen-flavor liquor, and the distillation method have the advantages of reasonably designed structure, complete functions, realization of the control of the distillation process through adopting fully-automatic continuous feedback, and improvement of the liquor quality.

The invention discloses a compound feed additive capable of reducing swine manure odor. The compound feed additive capable of reducing swine manure odor is prepared by adding bacillus subtilis and a yucca schidigera extract into feeds, wherein the weight ratio of the bacillus subtilis to the yucca schidigera extract is 1: 7; the viable count of the bacillus subtilis is 5 multiples 10<6>CFU/g; and the yucca schidigera extract is extracted from yucca plants. The main active ingredients of the compound feed additive are steroid saponins and glycosides; and the compound feed additive is particulate. The compound feed additive is a natural, safe, environmentally-friendly and green feed additive for the livestock and poultry; moreover, the compound feed additive will not be absorbed by the stomaches and the intestines of the livestock and poultry, no residues are left in the muscle and the tissues, and no withdrawal period is required. By adding the bioactive feed additives into the feeds, the compound feed additive is capable of improving digestion and absorption of the pigs to the nutrients in the feeds, deceasing elimination of various kinds of odor substances, and reducing the current status of fecal odor pollution.

The invention belongs to a production technology of dairy products, in particular to a method for applying an ultrafiltration technology to the proportion standardization of protein and fat in cheese processing. The invention uses an ultrafiltration membrane to concentrate whole milk or skim milk, remove part of whey and water, reduce the adding amount of the skim milk and improve the yield of the cheese. The concentrated milk protein content is 4 percent to 6 percent after ultrafiltration processing, and the concentrated milk protein is used for adjusting a proportion of the protein to the fat in raw milk. The method has the operation temperature of 4-10 DEG C and the ultrafiltration membrane operating pressure of 0.05 -0.08 MPa and improves the operating efficiency of the ultrafiltration membrane.

The invention discloses a lactating sow feed formula design and a preparation method thereof, which belong to the field of pig feed formulas and processing. The lactating sow feed comprises corn, wheat bran and a concentrated core material, and the mass ratio of the corn to the wheat bran to the concentrated core material is (55-62): (20-30): (10-20); wherein the concentrated core material comprises the following raw material components in parts by mass: 10-20 parts of cellulose; 20 to 30 parts of puffed soybeans; 8-15 parts of fish meal; 8-15 parts of stone powder; 5-10 parts of phosphorus and calcium; 10-30 parts of oil powder; 1-5 parts of soybean oil; 0.1-0.3 part of vitamin; 1-5 parts of potassium chloride; 2-5 parts of an amino acid composition; and 0.5-1.0 part of traditional Chinese medicine components. According to the invention, the problem that the lactating sow feed excessively emphasizes energy and protein, the lactating sow feed is low in fiber content and insufficient inaddition of functional raw material components, so that the nutrition of sows is unbalanced can be solved.

The invention relates to an environment-friendly washing reinforcing device matched with a washing machine for use. The device comprises a DC (direct current) power supply socket, a water inlet pipe, a water outlet pipe and a dual-color lamp board, which are arranged on a shell as well as a water flow switch, a jet device, a static mixer, an ultraviolet LED (light emitting diode) lamp, an ozone generator, a control board and a water dripping detection board, which are arranged in the shell; the water inlet pipe is connected with the jet device, the static mixer and the water outlet pipe in sequence by a water pipe; the air outlet of the ozone generator is connected with the air inlet of the jet device by an air pipe; the air inlet of the ozone generator is connected with the air outlet of the ultraviolet LED lamp by an air pipe; and the control board is connected with the DC power supply socket, the water flow switch, the ozone generator, the water dripping detection board and the dual-color lamp board respectively. The environment-friendly washing reinforcing device has the characteristics of realizing the function of sterilization, achieving the rinsing effect by reducing or without use of a detergent and bleach, saving water resource and reducing environment pollution. The washing reinforcing device can automatically work along with the work of the washing machine without any operation of a user, and is convenient to mount and use.

The invention discloses a method for preparing a midbody compound of rasagiline shown as the formula IV described in the specification. The method comprises the step of carrying out asymmetric catalysis hydrogenation reaction of a compound III and hydrogen in an organic solvent by taking one or more of Rh/(Rc,Sp)-Duanphos, Rh/(S,S,R,R)-Tangphos and Rh/(S)-Binapine as catalyst, wherein X is H, halogen, C1-C5 alkyl or C1-C5 alkoxy; and Y is C1-C5 alkyl or trifluoromethyl. According to the preparation method disclosed by the invention, both the yield and the purity of the product are higher; and method has the advantages of simpleness and convenience for operation, low cost, environment friendliness and easiness industrialization.

The invention discloses a method for repairing cultivation soil by using a semi-matrix covering, and belongs to the field of agricultural planting. The method comprises the following steps that S1, surface soil of a cultivation tank is pretreated, wherein the soil 20-30 cm away from the ground is turned to obtain the pre-treated surface soil; S2, deep treatment of the surface soil is conducted, wherein a disinfectant is added to the filtered surface soil; S3, the cultivation tank is repaired and maintained, and the deep-treated surface soil is placed into the cultivation tank; S4, the semi-matrix covering is added, wherein the semi-matrix covering covers the surface of the cultivation tank; S5, data counting is performed, and repaired nutrient soil is obtained when the parameters of a germination test plant meet the normal plant standards. Through disinfectant application (a chemical modifier method), soil deep ploughing (a soil replacement method) and semi-matrix covering (a bioremediation method), multi-layer soil repairing is conducted, cultivation semi-soil semi-matrix repairing is conducted, the occurrence of disease and pest damage is reduced, the dead rate of plants is reduced and accordingly the annual yield is improved.

The invention discloses a method for efficiently and automatically clearing a residual alkali solution inside a pole piece after formation of a zinc-silver battery. While the automatic process is realized, the alkali solution on the surface of the pole piece is taken away by using a fast jet flow, and the diffusion rate of ions around the pole piece is accelerated by using an ultrasonic cavitation effect and direct inflow effect, so that the exudation of the alkali solution inside the pole piece is greatly accelerated, and pressure pulse cleaning is used for strengthening the cleaning effect, therefore, the residual alkali solution inside the pole piece can be lowered by more than 80% to effectively improve the dry storage performances of a battery pack. By adopting the method for efficiently and automatically clearing the residual alkali solution after the formation of the zinc-silver battery pole piece, the automatic production of zinc-silver battery pole piece alkali removing cleaning is realized, and the efficiency and effect of alkali solution removal are improved, furthermore, the service life of battery pack dry storage is effectively prolonged.

The invention provides a full-suture anchor. The full-suture anchor comprises a first suture and a second suture; the second suture is connected to the first suture in a sleeving mode; the second suture comprises a first retraction part, a second retraction part and a traction part; the first retraction part, the traction part and the second retraction part are connected in sequence; and relative sliding in the axial direction can be generated between any one or any number of the three parts of the first retraction part, the traction part and the second retraction part and the first suture. According to the full-suture anchor, a smaller drilling hole is used in the fixing process, the bone excluding amount is lower than a hard material after the anchor is fixed.

A radiation detecting apparatus is provided to exactly exclude impurities by using a bad article excluding unit. A radiation detecting apparatus includes a radiation generating unit, a radiation detecting unit, a transportation unit, an image processing unit(5), and a bad article excluding unit(71). The radiation detecting unit is formed in one dimension or two dimensions. The radiation detecting unit includes a plurality of elements. The radiation detecting unit is arranged in opposition to the radiation generating unit. The transportation unit transports an article to be measured between the radiation generating unit and the radiation detecting unit. The image processing unit performs certification determination through image processing by means of an output of the radiation detecting unit.

The invention provides a self-cooling technology and a machining method of a metal plate spiral stepped blade twist drill, and relates to a metal plate spiral stepped blade twist drill. The metal plate spiral stepped blade twist drill is characterized in that a sub spiral cutting edge is arranged on each spiral bar, a sub spiral cutting face is formed along the outer sides of the sub spiral cutting edges, a spiral cutting face is formed along the inner sides of the sub spiral cutting edges, a composite spiral cutting face with at least one step is formed on the spiral cutting face in a stepped protruding mode, the top face of the front end of the spiral cutting face is a rear cutting face, and the spiral cutting face or the composite spiral cutting face intersects with the rear cutting face to form a stepped cutting edge, namely a stepped blade; the back face corresponding to the spiral cutting face in the rotating direction of the metal plate spiral stepped blade twist drill is a rear spiral face, at least one spiral groove is formed in the rear spiral face, or a spiral table is formed on the two sides of the groove, or a cooling pipe is integrally arranged in the spiral groove, or a sealed spiral face is integrally arranged or welded on the spiral table, a cooling hole communicated with the spiral groove or the cooling pipe is formed in the handle of a tool at the top end of the spiral groove or the spiral table, and a connecting opening communicated with the outside is formed in the top end of the handle of in the handle.

The invention discloses Chinese yam polysaccharide polylactic acid glycolic acid nanoparticles which are prepared from acetone, polylactic acid glycolic acid, Chinese yam polysaccharide and poloxamer 188 through a compound emulsion method. The invention further discloses a preparation method of the Chinese yam polysaccharide polylactic acid glycolic acid nanoparticles and application thereof in preparing immunity enhancement drugs. Compared with the prior art, the nanoparticles have the advantages that the nanoparticles are high in suspension encapsulation rate, stable in drug property and capable of making drug to be slowly released in animal bodies and effectively prolonging efficacy, have immunity enhancement effect and are of important significance in preventing and treating animal epidemic diseases. In addition, the nanoparticles serve as a novel Chinese veterinary drug and are free of side effect.

The invention provides a high-efficiency self-cooled reamer, and mainly relates to a center bit or a countersink bit for machining. The high-efficiency self-cooled reamer is characterized in that a cutting edge is arranged on each spiral strip of the reamer; a cutting surface is formed along the outer side of the cutting edge; the cutting surface is arranged on the front part of the cutting edge facing to the cutting direction; cooling holes or cooling troughs are formed in the axial center of the reamer and nearby; the lower ends of the cooling holes or the cooling troughs are communicated with cooling ports in grooves in the front parts of the cutting surfaces of the center bit or the countersink bit; the upper end of the center bit or the countersink bit is communicated with an integrally-formed cooling pipe on a handle part of the center bit or the countersink bit; connecting ports are formed on a handle body or at the front end of the axial center of the handle part of the center bit or the countersink bit.