46results about How to "Content unchanged" patented technology

The invention belongs to the technical field of health food processing, and discloses a method for extracting erythrothioneine from domestic fungi by using ultrasonic-microwave assisted combined vacuum freeze drying. The method comprises the following steps: transversely cutting fresh clean Pleurotus eryngii to form slices, carrying out vacuum freeze drying, crushing the dried slices, and sieving the crushed slices to obtain dry Pleurotus eryngii powder; adding ethanol, and carrying out microwave treatment to obtain a Pleurotus eryngii extract liquid; carrying out ultrasonic treatment on the Pleurotus eryngii extract liquid; and centrifuging the treated liquid, and taking the obtained supernatant to obtain an erythrothioneine extract liquid. Fresh Pleurotus eryngii is dried by adopting a vacuum freeze drying technology, so the Pleurotus eryngii is convenient to preserve, the content and the activity of Pleurotus eryngii basically keep unchanged, full crushing of the Pleurotus eryngii is convenient, and the erythrothioneine extraction yield is increased. The method adopting ultrasonic-microwave assisted extraction has the advantages of simple flow, strong operability, full dissolving of erythrothioneine, short time and high extraction rate. The high-quality erythrothioneine extract liquid can be obtained at a proper extraction temperature; and a nontoxic and harmless extraction agent is adopted, so the extract liquid is safe and environmentally-friendly.

The present invention relates to a licopene / beta-cyclodextrin supermolecular compound, its form is a red solid inclusion compound. In the compound the mass proportion of licopene and beta-cyclodextrin is 1:104.9-1:3.2, namely, the licopene content in the compound is 0.94%-23.7%. Said solid inclusion compound is a red solid product obtained by using licopene oleoresin or high-purity licopene and making it with beta-dextrin in the presence of water through a certain preparation process. Said preparation process includes the following steps: mixing, grinding or stirring under the condition of introducing nitrogen gas, cooling, filtering, water-washing solid substance, vacuum drying so as to obtain the invented product.

The invention relates to a silicon-carbon anode. The silicon-carbon anode comprises a current collector and an anode material layer loaded on the current collector, the anode material layer comprisesa silicon-carbon anode active material, a binder and a conductive agent; the binder comprises a three-dimensional reticular polymer formed by condensation of polyacrylic acid and sodium carboxymethylcellulose. The three-dimensional network structure of the three-dimensional reticular polymer of the binder can bind the bonded silicon-carbon anode active material, can inhibit the expansion of the silicon-carbon anode active material, can increase the structural stability of the anode material layer and can reduce the expansion rate of the silicon-carbon anode active material in the charging anddischarging process. The invention also relates to a preparation method of the silicon-carbon anode, and the silicon-carbon anode capable of reducing the expansion rate is obtained according to the preparation method.

The invention relates to an azido composite solid propellant containing a combined stabilizer. The azido composite solid propellant is prepared from the following components in parts by weight: 7% to12.5% of adhesive, 11% to 18% of plasticizer, 10% to 73% of oxidant, 0% to 60% of energy-containing explosive, 5% to 19% of metal fuel, 0.5% to 1.0% of curing agent, 0.05% of curing catalyst, 0.3% to0.6% of stabilizer, 0.2% of bonding agent, and 0.05% to 0.1% of crosslinking agent. The azido composite solid propellant containing the combined stabilizer has the advantages that the storage propertyis good, and the change rate of mechanical property in the storage process is smaller than 20%.

The invention relates to a double-phase stainless steel bar and a preparation method thereof and belongs to the technical field of high-strength stainless steel. The alloy components of the double-phase stainless steel bar comprise C, Si, Mn, Cr, Ni, Mo, micro alloy elements, N, P, S and Fe. The micro alloy elements are one or more of Nb, V and Ti. Through smelting, continuous casting, hot rolling, cooling and solution treatment, the double-phase stainless steel bar is obtained. Under the premise that the production cost is basically unchanged, the yield strength of the double-phase stainless steel bar is improved, and thus the double-phase stainless steel bar can meet the 500 MPa-level stainless steel bar requirement; and meanwhile the corrosion resistance of the double-phase stainless steel bar is improved, and thus the double-phase stainless steel bar can meet the marine environment priority project requirement.

The invention provides a method for controlling monascus to produce a monascus pigment by utilizing tea polyphenols. The method comprises the following steps of strain activation, seed liquid preparation and fermentation, wherein tea polyphenols are added to a fermentation medium. The pigment production in a fermentation broth can be obviously improved by adding the tea polyphenols, and the content of citrinin is not increased.

The invention belongs to the technical field of beverage making, and in particular relates to a suaeda salsa beverage. The suaeda salsa beverage comprises the following components by weight percent: 8-10 percent of suaeda salsa, 10-15 percent of glucose, 70-75 percent of purified water, 2-5 percent of sodium bicarbonate and 1-3 percent of ethylparaben. In the invention, the preparation method is simple, and the raw materials used are easily obtained with low cost, so that the production cost is reduced. The suaeda salsa is rich in microelements, vitamins and multiple amino acids, and has functions of eliminating heat and food retention. Sodium ions in the beverage can supplement the body fluid. The suaeda salsa beverage disclosed in the invention can be absorbed by a human body more easily than water, can supplement physical strength in time, is rich in nutrients, and belongs to a rare health-care beverage with very high practical value.

The invention discloses a black tea improving selenium enrichment processing method. The steps are as follows: firstly, one-bud two-leaf dried green tea is employed as a raw material; secondly, dry selenium enrichment yeast powder is taken and prepared into a selenium enrichment yeast aqueous solution for standby, namely, selenium enrichment yeast powder is weighed and dissolved in pure water, and a yeast solution is prepared; thirdly, raw green tea is spread on a water sieve, the selenium enrichment yeast solution is loaded into a watering can and is sprayed in the raw green tea uniformly; fourthly, the tea after spraying is sealed by a plastic bag and is allowed to stand; fifthly, the tea is placed in a manual climatic box and is subjected to piling fermentation, the temperature is 43 DEG C-47 DEG C, the humidity is 82%-87% and the fermentation time is 12-15 days; sixthly, after fermentation is finished, the tea is put in a tea drying machine and dried, the temperature and the time are controlled within certain ranges, and a selenium enrichment black tea finished product is obtained. The technology is simple, operation is convenient, and fragrance is lasting. The finished product meets the national selenium enrichment standard, the tea quality is improved and nutrition and health care values of traditional black tea are raised.

The invention provides a device and method for simulating surrounding rock plastic zone development and fluid lining structural mechanics response under different supporting forces. The device comprises a supporting force regulator, the supporting force regulator comprises two high-strength plates, opposite angle positions of the high-strength plates are connected through two vertically arranged limiting anchor rods; the high-strength plate at the top is fixedly arranged at the top of the limiting anchor rods through screw discs; a force-bearing device is supported on the high-strength plate at a bottom layer; two symmetrically arranged high-strength duct pieces are arranged in the force-bearing device; and spring dampers are arranged between the high-strength duct pieces and the force-bearing device. Stress pieces at the internal are used for performing real-time recording and observation on the stresses of at different regions at the internal, and the plastic deformation and stress distribution condition of the surrounding rock under different supporting stresses are simulated by scanning the compactness distribution condition of the internal fluid filler and swelling agent through CT scanning, so that the simulation experiment is more real and accurate.

The invention relates to an apixaban crystal form and a preparation method therefor, belongs to the field of medicinal chemicals and particularly relates to an apixaban nicotinate monohydrate eutecticcrystal with anticoagulation activity and a preparation method therefor. Proven by X-ray powder diffraction spectrum analysis on the disclosed crystal, a 2[theta] value of a characteristic absorptionpeak is located at 5.7+ / -0.2 degrees, 6.0+ / -0.2 degrees, 11.5+ / -0.2 degrees, 13.3+ / -0.2 degrees, 15.4+ / -0.2 degrees, 15.8+ / -0.2 degrees, 17.5+ / -0.2 degrees, 17.7+ / -0.2 degrees, 20.0+ / -0.2 degrees, 22.1+ / -0.2 degrees and 23.4+ / -0.2 degrees. The preparation method has the advantages that reagents are cheap, readily available and environmentally friendly, the preparation method is simple, the crystallization conditions are moderate, and the crystal is easy to separate; and the apixaban nicotinate monohydrate eutectic crystal disclosed by the invention can be used for treating thromboembolism.

In a dry magnetic separator and under magnetic field intensity of 8000-20000 oersted, 10-60 mesh sieved high-iron spodumene ore powder with Fe2O3 content as high as 1.2 wt% is selected magnetically to obtain low-iron alpha-type spodumene ore powder with Fe2O3 content reduced to 0.13-0.20 wt% while maintaining Li2O content unchanged basically. The said process can produce low-grade high-iron spodumene ore powder into low-iron alpha-type spodumene ore powder for use in glass industry.

The invention discloses a preparation method for a high-emissivity infrared radiation coating layer material system used in a high temperature environment (800 DEG C) and belongs to the field of inorganic materials. The preparation method comprises the following steps of by taking silicon oxide as a base material, chromium oxide as a main radiation agent and titanium oxide as a high-radiation additive, fully and uniformly mixing raw materials through a low-energy ball milling and mixing process, preparing a finished powder product suitable for a plasma spraying process with a spray drying granulation process, and finally, performing a plasma spraying process on a composite panel to prepare a high-emissivity infrared radiation coating layer. The SiO2 / Cr2O3 / TiO2 coating layer system has relatively high emissivity, high thermal shock resistance and infrared radiation performance, is mature in adopted preparation process, high in production efficiency, wide in raw material source, liable to prepare, simple to operate and is hopeful in and mass production in the industrial field and has a wide application prospect.

The invention relates to herbal fruit and vegetable coarse cereal pastry and juice. According to the invention, medlar, radix glehniae and dry Chinese yam are matched with fruits, vegetables and coarse cereals to process various herbal and edible nutritious pastry and herbal and edible nutritious juice of steamed buns, steamed stuffed bun wrappers, baked pancakes, baked cakes, cooked dumpling wrappers, wonton wrappers and the like; fruit juice and vegetable juice are utilized for replacing water to be added into flour, so that invariant content, invariant health value and invariant health functions of nutritious components of various raw materials can be kept effectively, and all the ingredients can be supplementary, and are combined and concentrated in nutrition energy integrally, so that various nutritious functions are great to achieve the aim of highest nutrition state; moreover, any other additives such as essence, pigment and preservatives are not added; the original flavor and sweet taste are utilized for adjusting the mouthfeel so as to guarantee the pure natural quality of herbal and edible nutritious pastry and herbal and edible nutritious juice and intensify the immunity of human bodies, so that the morbidity of various serious diseases and various cancers can be reduced; the functions of preventing various serious diseases and various cancers can be realized truly; life can be prolonged.

The invention provides a pharmaceutic preparation of iosartan potassium, comprising losartan potassium, lactose, microcrystalline cellulose, calcium hydrophosphate and lauryl sodium sulfate, and prepared by the wet granulation technology. The pharmaceutic preparation has the advantage that high hydroscopicity of iosartan potassium can be improved, and the mixed materials have good flowability. Besides, the pharmaceutic preparation has high dissolution rate and good stability.

The present invention relates to a malt total nitrogen detection method. According to the present invention, with the long term research and experiment on the test method of QBT1686-2008, the malt total nitrogen detection is performed according to the method in the "beer malt QBT1686-2008", the amount of the sample to be tested is reduced to 1 g while the catalyst content is maintained at the unchanged state, and the addition amounts of the catalyst and the concentrated sulfuric acid can be reduced to 10 mL (according to the conventional ratio, the scaling result shows that the required sulfuric acid amount is 13.4 mL when the amount of the sample to be tested is 1 g during the testing according to the " beer malt QBT1686-2008"), such that the measurement accuracy is ensured while the concentrated sulfuric acid consumption is reduced, the waste gas emission during the reaction process is reduced, and the sodium hydroxide consumption during the distillation process is reduced so as to finally achieve beneficial effects of chemical consumption reducing and waste gas emission reducing.

The invention discloses a processing method of raw radix astragali decoction pieces and the raw radix astragali decoction pieces. The processing method comprises the following steps that (1), heat treatment is carried out on cleaned and selected radix astragali to obtain radix astragali subjected to heat treatment; and (2), the radix astragali subjected to heat treatment is sequentially moistened, sliced and dried to obtain the raw radix astragali decoction pieces. By means of the processing method, the content of calycosin-7-glucoside in the raw radix astragali decoction pieces can be increased, and the high astragaloside content can be kept.

The invention belongs to the technical field of beverage making, and in particular relates to a suaeda salsa beverage and a preparation method thereof. The suaeda salsa beverage comprises the following components by weight percent: 8-10 percent of suaeda salsa, 10-15 percent of glucose, 70-75 percent of purified water, 2-5 percent of sodium bicarbonate and 1-3 percent of ethylparaben. The preparation method comprises the following steps of selecting and cleaning the suaeda salsa, preparing suaeda salsa juice and preparing the finished product. In the invention, the preparation method is simple, and the raw materials used are easily obtained with low cost, so that the production cost is reduced. The suaeda salsa is rich in microelements, vitamins and multiple amino acids, and has functions of eliminating heat and food retention. Sodium ions in the beverage can supplement the body fluid. The suaeda salsa beverage disclosed in the invention can be absorbed by a human body more easily than water, can supplement physical strength in time, is rich in nutrients, and belongs to a rare health-care beverage with very high practical value.

The invention discloses a method for the ultrasonic wave assisted debittering of a litchi liquor. The method comprises the following steps: adding chitosan and polyvinylpyrrolidone to the litchi liquor for adsorption, and carrying out ultrasonic treatment at a frequency of 30-60kHz under a voltage of 50V, and preferably comprises the following steps: adding 300-500mg / L chitosan and 100-200mg / L polyvinylpyrrolidone to the litchi liquor for adsorption for 20-30min, carrying out ultrasonic treatment at a frequency of 30-60kHz under a voltage of 50V for 10-30min, allowing the above obtained liquor sample to stand for 8h, and carrying out crossflow filtration by adopting a 0.22mum membrane. The debittering method substantially reduces the content of phenol substances, sulfides, fusel oils and aldehyde substances in the litchi liquor, maintains the content of ester substances comprising ethyl acetate and the like unchanged basically, allows the obtained debittered litchi liquor to be mellow, tasty, refreshing, soft and sweet, and substantially improves the quality of the liquor, has a simple technology and a low cost.

The invention discloses a production method of ethylene diaminetetraacetic acid ferric sodium salt. The production method comprises the following steps that a primary reaction is carried out, whereinferric trichloride reacts with ethylene diaminetetraacetic acid tetrasodium salt in water to obtain a stock solution A and a solid product B; the solid product B is dried to prepare the ethylene diaminetetraacetic acid ferric sodium salt; the stock solution A is subjected to chromatographic treatment to obtain a component A-1 containing sodium chloride NaCl and a component A-2 containing the ethylene diaminetetraacetic acid tetrasodium salt; the component A-1 is crystallized and separated to obtain NaCl solid C and NaCl filtrate D, the NaCl solid C is dried to prepare byproduct solid NaCl, andthe NaCl filtrate D is subjected to the operation in the filtrate treatment step again; the component A-2 containing the ethylene diaminetetraacetic acid tetrasodium salt is subjected to the primaryreaction again. The method has the advantages that the ethylene diaminetetraacetic acid ferric sodium salt and sodium chloride in reaction liquid can be separated, the separated component containing the ethylene diaminetetraacetic acid ferric sodium salt can serve as the reaction liquid to participate in the reaction as the raw material again; meanwhile, the byproduct sodium chloride is obtained and utilized.

The invention discloses an esomeprazole sodium freeze-dried preparation prepared by freeze-drying a liquid medicine which is prepared by dissolving esomeprazole sodium, alkaline amino acid and sodium hydroxide in water for injection, wherein the contents by mass volume ratio of the someprazole sodium, the alkaline amino acid and the sodium hydroxide are as follows: 20 mg / ml of the someprazole solidum, 0.5-5 mg / ml of the alkaline amino acid and the sodium hydroxide which adjusts the pH value of the liquid medicine within 11.0-12.0. As the alkaline amino acid is adopted as a stabilizing agent, amino bond existing in the alkaline amino acid can improve stability of the esomeprazole sodium in the processes of dissolution, freeze-drying, and storage. However, as alkaline amino acid is essential amino acid for a human body, the disclosed esomeprazole sodium freeze-dried preparation has higher safety in comparison with the existing esomeprazole sodium freeze-dried preparations which almost adopt edetic acid and salts of edetic acid as the stabilizing agent.

The invention discloses a preparation method of chitosan oligosaccharide, the chitosan oligosaccharide and a chitosan oligosaccharide health-care product. The preparation method comprises the following steps: preparing a mixed reactant containing chitosan, acid and hydrogen peroxide; placing the mixed reactant in a high-frequency alternating magnetic field, and stirring for the first time to obtain a first reaction solution; supplementing acid and hydrogen peroxide; placing the first reaction solution in a high-frequency alternating magnetic field, and stirring for the second time to obtain a second reaction solution; and separating and purifying to obtain the chitosan oligosaccharide. According to the preparation method of the chitosan oligosaccharide, a mixed reactant containing chitosan, acid and hydrogen peroxide is stirred under a high-frequency alternating magnetic field, and the magnetic field is cut by the mixed reactant to form current, so chemical degradation of the chitosan is matched. The preparation method of the chitosan oligosaccharide reduces the use amount of acid and hydrogen peroxide, does not need a high-voltage electric field, is an environment-friendly and safe preparation method of the chitosan oligosaccharide, and has a great application prospect.

The invention relates to a steam liquid for steaming de-enzyming of guapian and a processing technology. The steam liquid comprises the following raw materials by weight: 0.2-0.4 part of glutathione peroxidase, 2-3 parts of salt, 3-5 parts of thiamine, 0.4-0.8 part of distamycin A, 0.8-1.2 parts of sodium phosphate, 0.5-1.0 part of superoxide dismutase, 0.3-0.8 part of sodium citrate, 2-4 parts of potassium borate, and 40-50 parts of water. The steam liquid provided by the invention is used for steaming de-enzyming, and then processing is carried out, the obtained tea has few enzyme-catalyzed reaction, constant tea polyphenol content, small loss of beneficial ingredients and high quality, and also the shelf life of the tea can be prolonged.

The invention discloses an intelligent multifunctional return distillation instrument which comprises a worktable and a temperature acquisition device. A plurality of flasks, heating devices and return pipes with openings are arranged on the worktable, the flasks are provided with reflux inlets and temperature acquisition ports, the heating devices are used for heating the flasks and accelerating reaction of solution in the flasks, one return pipe is connected with the reflux inlet of each flask and extends towards the upper portion of the flask, and a cooling device is arranged on the outer side of each return pipe and used for cooling the return pipe when solution in the corresponding flask is heated and evaporated to enter the return pipe, so that condensed water vapor solution returns into the flask. The heating devices and the cooling devices are electrically connected with a controller, and the temperature acquisition device is matched with the temperature acquisition ports of the flasks, extends into the flasks from the temperature acquisition ports and is used for detecting the temperature of the solution inside the flasks, and the temperature acquisition device is electrically connected with the controller. The intelligent multifunctional return distillation instrument can prevent the solution from incomplete reaction in the boiling evaporation process due to different solute evaporation capacity, and is simple in structure, accurate in testing data, simple and convenient to control and convenient to operate.

The invention discloses a Mg < 2 + > doped and modified NASCION type sodium ion solid electrolyte and a preparation method thereof, the general formula of the solid electrolyte is Na < 3.3 > Zr < 2-x > Mg < x > Si < 2.3 > P < 0.7 > O < 12-x >, and x is more than or equal to 0.05 and less than or equal to 0.10 in the general formula. The solid electrolyte is prepared by adopting a traditional solid phase method, and the preparation method comprises the working procedures of batching, primary ball milling, compression molding, pre-sintering, secondary ball milling, compression molding, sintering, gold plating and the like. According to the Mg < 2 + > doped and modified NASCION type sodium ion solid-state electrolyte provided by the invention, the NASCION type sodium ion solid-state electrolyte with excellent room-temperature lithium ion conductivity performance is obtained by optimizing a synthesis process and doping Mg < 2 + > at a Zr < 2 + > site in a NASCION structure, and the total room-temperature sodium ion conductivity of the NASCION type sodium ion solid-state electrolyte can reach 4.8 mS / cm. The preparation method of the sodion solid electrolyte is stable and mature in process, the adopted raw materials are easy to obtain, and the sodion solid electrolyte has universality and industrial practicability and is easy to industrialize.

The embodiment of the invention discloses a cooking method and a device, a cooking pot and a storage medium, and the method comprises the steps: determining that the cooking pot enters a specific mode, wherein the specific mode is used for increasing the content of resistant starch in cooked food materials when the starch-containing food materials contained in the cooking pot are cooked; in the specific mode, according to a set reservation time length, determining execution time lengths corresponding to cooking treatment and cooling treatment respectively; wherein in the cooking treatment, starch in the food materials is at least gelatinized, and in the cooling treatment, the starch in the food materials after the cooking treatment is aged and retrogradation; and sequentially performing cooking treatment and cooling treatment on the food materials according to the corresponding execution durations respectively.