227results about How to "Moderate concentration" patented technology

The present invention provides a plating method which can embed copper in interconnect recesses, such as vias and interconnect trenches, having an opening width or size of several tens of μm and an aspect ratio of at least 1.5. The plating method comprises: providing a substrate having interconnect recesses, whose surfaces are covered with a conductive layer, formed in a surface of the substrate; bringing the surface of the substrate into contact with a plating solution containing copper ions, an organic or inorganic acid, chloride ions, a polymeric surfactant for suppressing electrodeposition, a sulfur-containing saturated organic compound for promoting the growth of a plated film, and a nitrogen-containing polymer for flattening a surface of the plated film; and applying a voltage between the conductive layer and an anode immersed in the plating solution.

The present invention discloses vinegar making process, in which rice, sodium carbonate, salt, calcium chloride, alpha-amylase, sugar, saccharifying enzyme, yeast, water and rice hull or wheat bran in certain weight proportion are used as material. The made vinegar is brown, bight, fragrant, mildly sour and slightly sweet, and has total acid amount account with acetic acid not less than 4.0 g each 100 ml.

The present invention discloses a pomegranate fermented lactic acid drink. The pomegranate fermented lactic acid drink is made from the following raw materials: pomegranates, skim milk, pomegranate peels, pomegranate flowers, pomegranate barks, pomegranate leaves, sophora japonica leaves, calyx kaki, picrasma quassioides, isomaltitol, gentiooligosaccharide, lactic acid bacteria, compound enzymes, and antioxidants of bamboo leaves. The drink is sour and sweet in mouthfeel, moderate in concentration, stable in state, and rich in nutrition, can promote metabolism, enhance immunity, dispel toxins and beautify feature, and prevent oxidation, aging, and tumors. The pomegranates are rich in organic selenium, help absorption and utilization, and promote the body function; each of the organs of the pomegranate is fully used and scientifically matched with other traditional Chinese medicines, the effects are complementary to each other, the raw materials are extensive, the price is low and cheap, and the costs are saved; a first lactic acid bacterium high-temperature fermentation is conducted, the lactic acid bacterium growth is promoted, and the pollution is avoided, at a second time, the gentiooligosaccharide is added, the activities of the lactic acid bacteria are enhanced, and a low-temperature long-time fermentation is conducted, which is conductive to the produce of flavor substances; and the fermented lactic acid drink is filled, and the filled lactic acid drink is subjected to low-temperature cold storage, which can maintain the activities of the lactic acid bacteria in the drink, so that the pomegranate fermented lactic acid drink promotes gastrointestinal functions.

The present invention is slow released ClO2 air disinfectant, and belongs to the field of hygienic disease controlling and sterilizing technology. The slow released ClO2 air disinfectant consists of ClO2 solution in 1-3 weight portions, silicon gel as the carrier of ClO2 solution in 3 and activator in 0.005-0.1 weight portions. The slow released ClO2 air disinfectant has homogeneous and lasting release to maintain proper ClO2 concentration in the air and reach excellent air disinfecting effect. The used silicon gel may be recovered and reused after treatment.

The invention relates to a medium trace element mixture and a preparation method of a medium trace element-wrapped fertilizer. The medium trace element mixture is prepared from the following components: 50% to 90% of sulfur, 5% to 20% of swelling material, and 5% to 45% of medium trace element other than sulfur. The preparation method comprises the following steps: adding the medium trace elementand the swelling material into liquid sulfur and evenly mixing. The preparation method of the medium trace element-wrapped fertilizer comprises the following steps: placing the conventional granular fertilizer in a wrapping device with a heating function, after heating the medium trace element mixture to a certain temperature, spraying on the surface of the granular fertilizer, and forming a medium trace element film on the surface of the fertilizer by cooling and curing. The medium trace element mixture and the preparation method of the medium trace element-wrapped fertilizer provided by theinvention have the advantages that the medium trace elements are quickly and flexibly added; the problem of uniform dispersion of the medium trace elements in soil is solved, and the local poisoning is avoided; the film formed by wrapping the medium trace element material is firmly combined with fertilizer particles, and is not easy to fall off; fast-acting and long-acting combined medium trace element materials can be wrapped, which is beneficial to the nutritional needs of crops in the whole growth cycle.

The present invention discloses a kind of chemical and mechanical water-free polishing liquid for polishing lithium-cesium borate crystal and its polishing method. The polishing liquid of the present invention consists of nanometer silica abrasive 4-8 wt%, organic solvent 72-95 wt%, organic alkali 0.5-10 wt% and surfactant 0.5-10 wt%. It is used in polishing lithium-cesium borate crystal at polishing pressure of 0.05 MPa to 0.1 MPa, polishing disc speed of 30 rpm to 60 rpm, and polishing time of 5-10 min. The water-free polishing liquid of the present invention has high flowability, no toxicity, no pollutant, no corrosion, moderate concentration and good floatability, and can obtain polished lithium-cesium borate crystal surface with high smoothness and no crack.

The invention relates to a mineralization guided tissue regeneration membrane and a preparation method and application thereof, wherein the mineralization guided tissue regeneration membrane comprises: a loose layer formed by compositing type I collagen and nano hydroxyapatite; a compact layer positioned on the loose layer and formed from type collagen. The double-layer mineralization guided tissue regeneration membrane is constructed herein, wherein the loose layer is consistent to autogenous bone in terms of composition, and the membrane may be attached to diseased oral bone defect surface to induce the generation of new bones; the surface of the compact layer is smooth, a diseased area may be isolated from surrounding tissues by making good use of physical barrier function of the membrane, regenerating capacity of a specific tissue is given to maximum play, and the prepared mineralization guided tissue regeneration membrane has high tensile strength and elasticity.

This invention relates a water soluble ink that utilizes dyes, protective glue, dispersant, leveling agent, emulsifier and water absorbing resin to prepare. This invention also relates to the making method of the water soluble ink and its utilization in printing, watercolor and paper keir. The product of this invention can overcome the oxidation decoloring phenomenon of colorful paper and rice paper when meeting water or ultraviolet irradiation; the decoloring phenomenon of traditional Chinese painting and watercolor painting; the ink marks of the characters are bright, the color is proper and the writing is smooth, the intensity is proper, the fragrance is moderate and it is dry quickly and decreases the environmental pollution.

The invention relates to a method for treating coal chemical wastewater, which comprises the following steps in turn: pretreatment, biochemical treatment with a first biochemical unit, adsorption treatment with an adsorption unit, sedimentation treatment with a sedimentation tank, and advanced biochemical treatment. The method solves the technical problems of high ozone electric power consumption, high cost and influence on yielding water quality because ozone is used for performing advanced treatment in the method for treating the coal chemical wastewater in the prior art. In the method for treating the coal chemical wastewater, the ozone is not used, resources are saved, and the yielding water quality can be well guaranteed, so the method is particularly suitable for treating the coal chemical wastewater.

The invention discloses the field of tea deep processing, and in particular relates to a technology for extracting tea polyphenol in tea leaves. The method comprises the following steps: weighing a sample of dry tea leaves, and grinding; leaching: weighing 25g of tea chips, putting the weighed tea chips into a 100ml of conical flask, adding 60ml of water, soaking the tea chips for 10-20 minutes in a sealing way, and then carrying out ultrasonic extraction for 20-25 minutes, wherein the water bath temperature is 75-85 DEG C; filtering an extracting solution to remove residue; carrying out vacuum centrifugal treatment: centrifuging filtrate after tea residue is removed, and collecting supernatant to prepare tea polyphenol crude extract; concentrating the tea polyphenol crude extract: using a reverse osmosis membrane to concentrate the tea polyphenol crude extract until the water content is reduced by 75-80 percent; extracting: extracting caffeine, namely, mixing petroleum ether and ethyl acetate according to the ratio of 4: 1 and then extracting the caffeine in the tea polyphenol crude extract; extracting the tea polyphenol, using the ethyl acetate to extract the tea polyphenol in upper water phase, and collecting ethyl acetate extract; volatilizing the ethyl acetate, and drying the residue, wherein the residue is the tea polyphenol. The technology is simple in method and low in cost, and the purity of the extracted tea polyphenol reaches up to 98.8 percent.

The invention discloses a system and a method of removing green peels of walnuts through ethylene gas ripening. Green-peeled walnuts are poured into a box from a feeder and dropped onto a top wire mesh conveying belt in the box, the green-peeled walnuts are slowly conveyed from an entry of the box to an exit of the box, and a gas ethylene generator enters the box during conveying and performs ethylene gas ripening to the green peels of the walnuts; after the green peels are ripened, the walnuts directly fall into a rubbing stripping unit from the tail end of a bottom wire mesh conveying belt, and the green peels and inner hard shells of the walnuts are separated. Gas ethylene is used to ripen the green peels o the walnuts and remove the green peels; removal rate of the green peels is high; breakage rate is low; yield of commercial walnuts is high; efficiency is high; the use of the gas ethylene in ripening the green peels prevents kernels from being contaminated, resulting in food contamination; meanwhile, the processing process is green.

The invention discloses production technology for brewing apricot fruit vinegar by utilization of apricot bark residue, which comprises: firstly, collecting the apricot bark residue into a stainless steel jar, adding water for stirring, adjusting the content of soluble solid to be between 7 and 9 DEG BX, adjusting the product temperature to be between 42 and 45 DEG C, and transferring an apricot skin residue mixture into an alcohol fermenter; secondly, simultaneously adding active dry yeast and mashed fruit cellulose complex enzyme, controlling the fermentation temperature to be between 28 and 32 DEG C and the fermentation time to be between 48 and 52 hours, and making alcohol fermentation finished when the sugar degree of juice is reduced to be less than or equal to 0.5 percent and the alcohol content of the juice reaches 5 to 7 percent; thirdly, transferring mash obtained in the prior step into an acetic acid fermenter, adding acetic acid bacteria for acetic fermentation, and controlling the fermentation temperature to be between 32 and 38 DEG C; and fourthly, obtaining finished products after the steps of brewing, aging, mixing, filtration, sterilization, filling and sealing in turn.

The invention relates to a hydrochloric acid absorption tower and a process for producing hydrochloric acid for production. The absorption tower comprises a heat exchanger, a first vacuum pump, a circulating pump, a hydrochloric acid storage tank, a tail gas buffer tank, a falling film absorber, a first hydrochloric acid tank, a second hydrochloric acid tank, a second vacuum pump, an absorption tower and a tail gas chimney. The process for producing the hydrochloric acid for production comprises the following steps: buffering, primary absorption, secondary absorption, circulating absorption and storage. The absorption tower and the process have the advantages that the environment pollution is reduced, the waste is changed into valuable, the economic benefit is produced, and the process is compact and simple to operate.

The invention relates to an aroma-producing material for heat-not-burn tobacco and a preparation method thereof. The preparation method comprises the steps of preparing coating medium and coating. Aroma quality of the aroma-producing material prepared by the natural extracts-based coating medium is closer to that of traditional tobacco. The aroma-producing material is applied to the heat-not-burntobacco, heat conduction uniformity and smoke amount of the tobacco can be increased, the whole smoking quality of the tobacco can be improved, and the aroma-producing material can be effectively usedwhen the heat-not-burn tobacco is smoked.

The invention provides a method for quickly identifying the resistance of Chinese cabbage germplasm to a black-spot disease, which is characterized by comprising the following sequential steps of: firstly, preparing a material to be tested; secondly, inoculating; and thirdly, grading a disease index, wherein appropriate concentration of black-spot disease suspending liquid and the seedling age for screening disease-resistant Chinese cabbage are determined; and compared with the inoculation during the adult-plant growth period in field, the method avoids influences of the factors of unsuitability of climatic conditions, plant diseases and insect pests in the environment, and the like, is easy to control the conditions for indoor disease resistance screening during the seedling period, and has short cycle of identification and high speed; and a great amount of manpower and material resources can be saved.

The invention relates to an abrasive cluster and air hole three-dimensional controllable arrangement CBN (cubic boron nitride) grinding wheel and a manufacturing method thereof. The grinding wheel is composed of a base body and an abrasive layer adhered to the base body, wherein the abrasive layer comprises two parts, i.e. an abrasive cluster area and a carcass area; an abrasive cluster is continuously or discretely distributed in the abrasive layer. The abrasive cluster and air hole controllable arrangement is realized in a layered mode by controlling positions and sizes of slot holes or round holes of an abrasive cluster arrangement template, a carcass material arrangement template and a ceramic hollow sphere arrangement template relative to a mold cavity; the position of the slot hole of the abrasive cluster arrangement template is complementary with the position of the slot hole of the carcass material arrangement template; an air hole arrangement template hole cluster area is coincident with a carcass material arrangement template slot hole area. The method is simple in process and low in cost; the prepared grinding wheel is long in service life, excellent in self-sharpening performance, high in grinding efficiency and suitable for effectively and precisely grinding materials which are high in obdurability and difficult to process, such as high-temperature alloy and titanium alloy.

Drinking cola as one kind of beverage is prepared with over ten kinds of Chinese medicinal materials including Hovenia dulcis, kudzu vine root, etc. as main material and proper amount of supplementary material. It has sweet and smooth taste, scent, cola color and the health functions of sobering up, protecting liver and stomach, clearing away heat, quenching thirst, tranquilizing, etc. It can eliminate various harms caused by overdrinking, and is a kind of novel safe, fast, efficient and delicious sobering up beverage.

The invention discloses a special self-controlled multi-stage-releasing biological source physiological regulation antistaling agent for cherries. The regulation antistaling agent is prepared by the following steps: step 1, preparing a porous quick-release starch physiological regulation antistaling agent used in the first stage; step 2, preparing a porous starch water soluble hole controlled release physiological regulation antistaling agent used in the second stage; step 3, preparing a porous starch swelling hole controlled release physiological regulation antistaling agent used in the third stage; and step 4, mixing the antistaling agents prepared in the step 1 to step 3 according to weight ratio of (1 to 2 to 3)-(1 to 2 to 5) and packing into small packages to obtain the antistaling agent. The special antistaling agent has the advantages of being efficient, free from pollution, good in antistaling effect and free from influence on the cherry flavor.

The houttyuynia beverage with the functions of clearing heat away, removing toxic material, elimianting summer-heat and allaying thirst is made up by using drinking water, houttuynia, peppermint, sugar, natural stevioside and citric acid according to a certain mixing ratio through the processes of water extraction, filtering, mixing materials, secondary filtering, homogenizing, sterilizing, filling, sealing and quality inspection. Said product is sweet-sour palatable in taste and has golden yellow colour, and is suitable for large-scale production.

The invention provides a small water temperature control system. The small water temperature control system comprises a hot water tank, a cold water tank and a warm water tank. The hot water tank is provided with a heater, the cold water tank is provided with a cooler, the warm water tank is provided with a stirrer, and the hot water tank is provided with a water inflow pipe, connected with the cold water tank through a first water outflow pipe and connected with the warm water tank through a second water outflow pipe. A first temperature sensor and a first liquid level sensor are installed in the hot water tank. A second temperature sensor and a second liquid level sensor are installed in the cold water tank. The warm water tank is connected with a fourth water outflow pipe leading to a water receiving opening and connected with a water drainage pipe, and a third liquid level sensor and a third temperature sensor are installed in the warm water tank. According to the system, tap water is boiled and then mixed, warm water with the set temperature value can be quickly generated, the warm water volume can be monitored and prompted through liquid level detection, the volume of the drained warm water can be prompted, and therefore the concentration of made milk powder is proper.

A preparation method of a CIST nano wire belongs to the technical field of new-generation thin-film solar cell materials. A toluene solution of Bi nanoparticles and a precursor solution of Se and Te are prepared separately. Then under the protection of nitrogen, trioctylphosphine is heated and added into the toluene solution of the Bi nanoparticles, and then the precursor solution containing indium acetate, copper acetate and Se is added into the mixture. After reactions, the precursor solution containing indium acetate, copper acetate and Se is added drop by drop. After reactions are completed, the mixture is cooled and toluene is added. Then the mixture is subjected to centrifugation. The solid phase is taken, is washed with toluene, and is subjected to centrifugation and vacuum drying. Then the CIST nano wire is obtained. The method uses the metal Bi nanoparticles as a catalyst. The toluene solution of the Bi nanoparticles is used, so that the concentration of the Bi nanoparticles can be effectively controlled, and the liquid form facilitates taking the catalyst. The method is simple in technique, can effectively control the stoichiometric ratio of multi-component materials, and obtains a large batch of high-purity CIST nano wires.

The invention provides a nano-fluid, a preparation method thereof and a heat exchange device. The preparation method of the nano-fluid comprises the following steps: mixing expanded graphite with a stripping agent in a first base fluid to obtain a first mixture, and performing in-situ liquid phase stripping treatment on the first mixture to obtain a raw graphene stock containing graphene nano-sheets; and uniformly dispersing the raw graphene stock into a second base fluid to obtain the nano-fluid. The inventors have found that the method is simple and convenient to operate, facilitates large-scale production, is safe and environment-friendly, and can obtain the nano-fluid with high heat transfer coefficient, high thermal conductivity, low flow resistance and long-term stable dispersion.

The invention provides a preparation method of clove flavor cigar with an auditory effect. The preparation method concretely comprises the following steps of picking clove according to requirements; performing cleaning and dust removal on the picked dry clove buds; performing drying through drying equipment; taking out the buds for use after the water content is lower than 5 percent; putting 5 to6 processed clove buds into the center position of a single cigar core leaf; sequentially distributing the clove buds into a line to prepare a cigar core; then, taking one leaf roll for winding the cigar core; performing fixing and shaping; then, putting the materials into a wood cigar mold for 30 to 45 minutes; finally, taking one piece of a binder leaf for well covering a cigarette bundle; usingplant glue for bonding and winding the cigar; next, putting the cigar into a refrigerator; putting the refrigerator into a constant-temperature constant-humidity balance room; controlling the temperature to be 18 to 20 DEG C and the humidity to be 65 to 75 percent; performing placement for 25 to 35 days. The prepared cigar has the slight clove flavor; during the smoking, the uniform slight clacking sound is generated at a frequency of once per 2 to 3 seconds; the sound volume is proper; the auditory effect is added for the cigar smoking.

The invention relates to a fragrance generating material used in an interlayer of a nonflammable heating cigarette and a preparation method of the material. The preparation method includes the steps of preparing a coating material and conducting coating and the like. The fragrance generating material is prepared by the coating materials in which natural extracts serve as main ingredients, and thefragrance quality is more similar to that of a traditional cigarette. Meanwhile, the fragrance generating material is applied to the nonflammable heating cigarette, and can improve the heat conductionuniformity of the cigarette and increase the smoke generating amount of the cigarette, and the effect of improving the smoking quality of the overall cigarette is achieved; the fragrance material canbe effectively utilized when the nonflammable heating cigarette is smoked.