66results about How to "Easy to form large-scale production" patented technology

The invention discloses a preparation method of silicon dioxide@ quantum dot composite nanoparticles. The method comprises steps as follows: thiolation silicon dioxide nanoparticles are prepared firstly, and the silicon dioxide@ quantum dot composite nanoparticles are prepared with a hydrothermal method. The preparation method is simple and easy to implement, high in yield and efficiency and beneficial to large-scale production. The prepared silicon dioxide@ quantum dot composite nanoparticles comprise silicon dioxide balls with particle sizes of 50-800 nm and quantum dot particles loaded on the silicon dioxide balls. The excellent fluorescence property of quantum dots is preserved, centrifugal separation of the particles is facilitated due to the fact that the quantum dots are loaded on silicon dioxide, the aftertreatment steps during use of the quantum dots are greatly optimized and simplified, and the preparation method has a broad application prospect.

A health-care starch toothpick is made up of corn starch, sweet potato starch, mint, imperate rhizome, dehurian angelica root, alum sorbitol, water and edible pigment through pretreating the mint, imperate rhizome and dahurian angelica root, boiling water, mixing with other, high-temp high-pressure extruding out to obtain bar, wash with clean water, freezing at -21 deg.C for 24 hrs, washing with clean water, drying at 35-40 deg.c for 24-30 hrs, cutting and sharpening. Its advantages include high hardness, health-care action to tooth, and no environmental pollution.

The invention discloses a method for extracting black wheat germ oil. The method comprises the following steps: 1, heating a wheat germ raw material, performing heat preservation, screening, drying an oversize product at a constant temperature to obtain a pure material, performing cold pressing on the pure material, and filtering to obtain crude oil; 2, adding an alkali liquid and the crude oil into an alkali refining tank, heating, performing static settlement, and discharging precipitate to obtain an oil material; 3, heating the oil material, subsequently adding saline water, and stirring; 4, adding saline water into the stirred oil material, and stirring; 5, adding hot water into the stirred oil material, stirring, subsequently standing, and discharging water and precipitates to obtain a washed oil material; 6, putting the washed oil material into a decoloring pot, dehydrating in vacuum, subsequently adding activated carbon, stirring, decoloring, cooling and filtering; 7, performing deodorization treatment on the decolored oil material; 8, cooling the deodorized oil material, and subsequently screening to obtain the black wheat germ oil. According to the method, a three-step washing method is adopted, so that the purity of an oil product is improved; compared with oil obtained by using an ordinary washing method, the oil product has less impurities and is higher in purity.

The invention discloses a solar battery module for a taut-string-type semi-rigid plate, and relates the technology field of solar batter arrays. The solar battery module is characterized in that the module comprises at least a solar battery, and the back surface is adhesively connected to the lower surface of a first glass cover sheet by a first cover-sheet adhesive; the front surface of the solar battery is adhesively connected to the upper surface of a second glass cover sheet by a second cover-sheet adhesive; the upper surface of the first glass cover sheet adhesively connected to a bypass diode by a bypass diode adhesive, and the bypass diode is adhesively connected to a third glass cover sheet by a third glass cover sheet adhesive; a positive electrode and a negative electrode are successively connected with the bypass diode respectively by a solar battery interconnection sheet and a bypass diode interconnection strip. According to the solar battery module, highly reliable solar battery module technology is adopted, wherein the large-size single-sheet solar battery independently forms a module, and the bypass diode is installed on the cover sheet of the back surface of the battery in a penetrated mode. The solar battery module solves the problems that traditional solar battery module manufacture is complex in process and higher in cost, and obviously improves the reliability of products.

A valve-added processing method for Puer vegetable includes such steps as removing impurities, immersing in the aqueous solution of sodium pyrosulfite, boiling in the aqueous solution of citric acid, cooling, packing, filling the mixture of water, sugar, salt, citric acid, VC and CaCl2, and exhausting air.

The invention provides a continuous blowing and casting method of oxygen-free copper ingots, which pertains to the metal smelting and casting technical field and is carried out according to the technical steps as follows: A. cathode copper is firstly melted in a smelting furnace, and melted copper liquid enters a deoxidation furnace through a bottom blowing chute; B. carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the bottom blowing chute through the bottom blowing chute and enters the deoxidation furnace with the copper liquid to realize the deoxidation and the degassing of a first stage; C. when passing through a diversion trench arranged in a bottom blowing furnace end, the carbon monoxide gas or the mixed gas of carbon monoxide and nitrogen enters the copper liquid in the diversion trench for realizing the deoxidation and the degassing of a second stage to the copper liquid in the diversion trench; D. the copper liquid after the second stage of deoxidation and degassing enters a crystallizer through a casting gate arranged in the bottom blowing furnace end. The oxygen content of an oxygen-free copper ingot base produced by the method of the invention can stably reach not only less than 5ppm, but also less than 3ppm.

The invention discloses a drug injectant for curing dairy cow mastitis. The drug injectant comprises a specific anti-DP-BM-IgY egg yolk antibody and an extracting solution of a traditional Chinese medicine composition, and relates to an injectant for breasts. The invention further provides a preparation method and application of the drug injectant. The rug injectant provided by the invention has the beneficial effects as followings: the specific anti-DP-BM-IgY egg yolk antibody can be used for killing main pathogenic bacteria of dairy cow mastitis directionally, plays an obvious curative role on various of mastititides, and has the characteristics of stable quality, strong specificity, zero residue and no resistance to drugs; the traditional Chinese medicine composition also has the efficacies of dissipating blood stasis and relieving pain, repelling poison and dispelling pus, cooling blood and relieving swelling, resisting bacterium and eliminating inflammation, and enhancing immunity; the drug injectant for breasts, obtained through combination, can be directly applied into breasts locally, the targeting effect is better, therefore, bioavailability and drug therapeutic effect are improved, the treatment for diseases is more effective and accurate, the whole body toxic and side effects caused by drugs can be lowered, adverse drug reactions are reduced, the use is convenient, the compliance is good, and the safety in use is enhanced.

The invention provides a continuous blowing and casting furnace of oxygen-free copper ingots, which pertains to the technical field of manufacturing metal smelting and casting equipment. The furnace essentially comprises a furnace shell (3) which is externally coated with refractory bricks (1), a smelting furnace (4) and a deoxidation furnace (10) which are provided with an electric inductive heater (17) at the bottom and arranged in the furnace shell (3) in parallel, a bottom blowing chute (19) which is provided with gas permeable bricks (22) at the bottom and arranged between the smelting furnace (4) and the deoxidation furnace (10), a bottom blowing furnace end (11) which is provided with a casting gate (20) and bottom blowing bricks (12) at the bottom and connected with the deoxidation furnace (10), a diversion trench (21) which is distributed in an 'S' shape and arranged in the bottom blowing furnace end (11), a smelting furnace cover (5) arranged at the upper part of the smelting furnace (4) and a deoxidation furnace cover (9) which is provided with a vent (8) and arranged at the upper part of the deoxidation furnace (10), etc. The whole structure of the furnace has reasonable design, convenient operation, low cost, being stable and reliable and can effectively reduce the oxygen content and the casting cost of oxygen-free copper, thereby being easy to form mass production.

The invention discloses a preparation method of silicon dioxide@ quantum dot composite nanoparticles. The method comprises steps as follows: thiolation silicon dioxide nanoparticles are prepared firstly, and the silicon dioxide@ quantum dot composite nanoparticles are prepared with a hydrothermal method. The preparation method is simple and easy to implement, high in yield and efficiency and beneficial to large-scale production. The prepared silicon dioxide@ quantum dot composite nanoparticles comprise silicon dioxide balls with particle sizes of 50-800 nm and quantum dot particles loaded on the silicon dioxide balls. The excellent fluorescence property of quantum dots is preserved, centrifugal separation of the particles is facilitated due to the fact that the quantum dots are loaded on silicon dioxide, the aftertreatment steps during use of the quantum dots are greatly optimized and simplified, and the preparation method has a broad application prospect.

The invention relates to a method for preparing 1,2-cyclohexanediol through carrying out catalytic oxidation on cyclohexene by using a phase transfer catalyst. 1,2-cyclohexanediol is prepared through carrying out catalytic oxidation on cyclohexene by taking quaternary ammonium decatungstate as the phase transfer catalyst, phosphoric acid as a catalyst promoter and hydrogen peroxide as an oxidizing agent. The method has the advantages that toxic and harmful organic solvents such as acetonitrile, methylbenzene and methanoic acid are not used as reaction media, the environment pollution is reduced, the risk of combustion explosion generated in the reaction process is reduced, and large-scale production is easy to realize; the used catalyst, i.e., quaternary ammonium decatungstate, has high catalytic activity; and 1,2-cyclohexanediol is simple in preparation process, convenient to separate and recycle and favorable in application prospect.

Method for removing environmental pollutant ethylene bisphenol A is carried out by dripping carbonate solution into ethylene bisphenol A, Ni-Al alloy and solution while agitating and heating, reacting Ni-Al alloy with carbonate solution to produce hydrogen, reducing and debrominating ethylene bisphenol A into reactive product bisphenol A. It is simple and convenient, has higher reutilization and no environmental pollution.