31results about How to "No complicated steps" patented technology

The invention discloses a method for rapidly measuring a p-hydroxy-benzoate ester in cosmetics and relates to a method for measuring components in the cosmetics. The method comprises the following steps: A, treating a sample to be measured; B, establishing a background spectral database, namely B1, acquiring spectral data of a cosmetic sample; B2, acquiring spectral data of components to be measured; B3, converting the data format; B4, acquiring spectral data of a background which does not contain the components to be measured; B5, reducing the dimensionality of a background database; C, acquiring a standard spectral database v of the p-hydroxy-benzoate ester; D, measuring a spectrum of the cosmetic sample to be measured; E, measuring the content of the p-hydroxy-benzoate ester in the cosmetic sample to be measured. The method is high in analysis efficiency, low in operating strength and low in analysis cost, the background database which does not contain the measured components is not required to be accumulated, the machine hour and the reagent loss can be reduced, the robustness is high, and the method is simple and suitable for rapidly analyzing and measuring the same type of large-scale samples.

The invention provides a self-repairing polyurethane elastomer without external stimulation and a preparation method thereof. The molecular chain of the self-repairing polyurethane elastomer polymer without external stimulation contains an acylhydrazone bond; liquid acid and solid acid are added on the basis of self-repairing polyurethane so that self-repairing can be realized at room temperaturethrough dynamic exchange reaction of acylhydrazone bonds without external acid stimulation after the material is subjected to mechanical damage, the repairing condition is simple, and repeated repairing can be realized. The synthesized polyurethane elastomer containing the acylhydrazone bonds without external stimulation can be self-repaired after being cut open and making contact with the cross section for 72 h. The self-repairing polyurethane elastomer without external stimulation is easy to prepare, raw materials are easy to obtain, the mechanical property is excellent, and the applicationprospect of the self-repairing polyurethane elastomer is improved.

A semiconductor device is provided with a porous structure layer (4) formed by silicone resin between a substrate (2) and a semiconductor element (3). Alternatively, a porous layer (24) having a density of 0.7g / cm 3 or less, formed by a compound obtained by hydrolyzing and condensing at least one type of alkoxysilane selected from a group consisting of monoalkoxysilane, dialkoxysilane, and trialkoxysilane, and tetraalkoxysilane is provided between a substrate (22) and a semiconductor element (23) of a semiconductor device (21). As a further alternative, an adhesion layer (33) formed by a compound obtained by hydrolyzing and condensing an alkoxysilane is provided on a resin substrate (32), and a porous layer (34) having a density of 0.7g / cm 3 or less, formed by a compound obtained by hydrolyzing and condensing an alkoxysilane, is provided on the adhesion layer (33).

The invention discloses a method for measuring p-hydroxybenzoate in cosmetics and relates to a method for measuring components in cosmetics. The method comprises the following steps: A, performing tested sample treatment, namely preparing the tested cosmetics into diluent; B, performing spectral measurement, namely B1, preparing a background spectrum set, B2, determining the standard spectrum of p-hydroxybenzoate, and B3, performing spectral measurement on the tested cosmetics; C, performing positive test and content measurement, namely C1, performing positive test, calculating an included angle between the merged matrix and the standard spectrum of p-hydroxybenzoate, when the included angle is larger than 0.15, the p-hydroxybenzoate is judged to be negative, and the spectrum of the tested cosmetics is recorded into the background spectrum database, and when the included angle is smaller than 0.1, the p-hydroxybenzoate is stored in the tested cosmetics, the sample is positive, and continuing, and C2 performing content measurement, namely deducing the standard spectrum of p-hydroxybenzoate from the spectrum of the tested cosmetics, thereby obtaining the actual content of the p-hydroxybenzoate. The method is high in analysis efficiency, low in operation strength, low in analysis cost, high in robustness and easy to popularize and use.

Polysaccharides are non-specific immune enhanced compounds, a phenol-sulfuric acid colorimetric method is used for determining the content of the polysaccharides, the method is stable, and the glucose concentration is suitably controlled at 510-2510 mg / L. A phenol reagent and concentrated sulfuric acid are precisely added, firstly allowed to stand, then shaken, placed in a water bath to heat for 15 min, and then immediately cooled; test results of linear, precision, stability and the like can show that the spectrophotometric method for determination of the crude polysaccharide content in health-care food has high accuracy and good reproducibility, and the method is simple and easy to operate.

The invention relates to a method for treating methylene blue dye wastewater. Firstly, diatomite is evenly mixed with calcium raw materials, alkali activator and water, and is put in a high-pressure hydrothermal reaction kettle after the compression molding to react for 1-48 hours at the temperature of 100-200 DEG C to obtain a diatomite-based porous adsorbent containing C-S-H, tobermorite and analcite; then, the diatomite-based porous adsorbent is put in a conical bottle accommodated with a liquid culture medium; 5-20% of yeast powder by mass is added to regulate the pH to be 5-8 and to cultivate for 2-48 h under the constant-temperature condition of 15-35 DEG C on a reciprocal shaking table with the speed of 60-120 rpm so as to obtain a yeast-loaded diatomite-based porous adsorbent; finally, 1-10 g of the yeast-loaded porous adsorbent is added in the methylene blue dye wastewater with per liter concentration of 100-1000 mg / L to treat for 1-48 h at the temperature of 25-45 DEG C on the reciprocal shaking table with the pH of 4 to 10 and the speed of 60-120 rpm; the concentration of the treated methylene blue wastewater is measured through a spectrophotometer method; the result shows that the removal rate of the methylene blue dye exceeds 90%. The method has the advantages of simple process, low cost and no secondary pollution, and is suitable for the industrial treatment of the methylene blue dye wastewater.

The invention provides a high-purity battery-level manganese source which is manganese sulfide and / or manganese oxide, wherein a manganese sulfide XRD crystal phase is a pure gamma-phase and / or pure beta-phase similar-fibrid or claviform sulfide, and the appearance is pink, brownish red or brick red. The preparation method of the high-purity battery-level manganese source comprises the following steps of preparing a divalent manganese salt solution to the concentration of 5-50 degrees Be'; adding sulphurizing salt, and filtering to prepare a primary manganese salt solution; further adding a sulfide solution, and regulating pH to prepare a manganese sulfide filter cake; carrying out reverse osmosis washing to obtain a manganese sulfide crystal; beating, then controlling the temperature of manganese sulfide slurry to 50-100 DEG C, stirring, adding an acid source to the manganese sulfide slurry to react for 2-6 hours, carrying out acidolysis to prepare a manganese salt solution, wherein the manganese sulfide inside a system needs to be excessive during the acidolysis, and the excessive mass fraction of the manganese sulfide is controlled at 1%-10%; regulating the pH to 5.5-6.0, reacting for 2-6 hours, and then carrying out pressure filtration to obtain a high-purity battery-level manganese salt product. The manganese sulfide can not only be directly applied, but also be used for synthesizing different kinds of high-end manganese salt or manganese oxide by taking the obtained manganese sulfide as the high-purity manganese source.

The invention belongs to the field of immunological detection, and relates to a kit, in particular to a kit for rapidly detecting peripheral T cell lymphoma and a use method of the kit. The kit comprises a reagent I and a reagent II, the reagent I comprises two groups of monoclonal antibody mixtures, and the first group of monoclonal antibody mixture comprises TRBC1, CD2, CD3, CD5, CD7, CD16, CD56, CD57 and CD45; the second group of monoclonal antibody mixture comprises the following components: TRBC1, TCR-gamma delta, CD3, CD8, CD4, CD7 and CD45; and the reagent II is hemolysin. The kit provided by the invention realizes the rapid and accurate detection of the peripheral T cell lymphoma (PTCL), is simple and convenient, greatly reduces the requirement on the sample size, and reduces the burden of a patient.

The invention discloses a prostate puncture device, which relates to the field of medical equipment. The technical proposal includes a base, a chute is arranged on the base, and the upper side of the base is sequentially slid to connect a prostate support mechanism and a puncture needle through the chute. The prostate support mechanism is located at the puncture needle. On the front side of the needle tip, the prostate supporting mechanism and the puncture needle are slidingly connected to the chute through a supporting rod; the prostate supporting mechanism includes an outer cylinder, which is a hollow cylinder with two ends open, and the inner component is sleeved inside the outer cylinder; the support component The rear end is hinged with the front end of the inner rod. The beneficial effects of the present invention are: the device is easy to use, without complicated operation steps, the relatively smooth outer tube of the device is easier to enter the patient's anus, and the support assembly of the device can be deployed after the device enters the human body, thereby reducing the patient's It is painless and ensures sufficient supporting area and strength for the prostate.

The invention discloses a multi-level structure material in which boron-doped cobalt hydroxide is supported on a porous copper substrate, and relates to the field of preparation of catalytic materials. The tertiary structure of nano-sheets, the present invention also provides the preparation method of the above-mentioned multi-level structure material, it supports porous copper layer by electrodeposition, then supports cobalt hydroxide nano-sheet layer by electrodeposition, finally through sodium borohydride-electrochemical combination Boronation realizes the boration of cobalt hydroxide nanosheets; the beneficial effect of the present invention is that the prepared multi-level structure material has abundant active sites, convenient electron transport and solution mass transfer channels, and is a series of electrochemical, chemical Excellent multi-level structure catalyst required for the reaction.

The invention discloses a method for measuring the junction temperature and thermal resistance of a metal-oxide semiconductor tube. The method comprises the following steps of: placing an insulating substrate with a device to be measured into a temperature control box, and adjusting the temperature control box to 25 DEGC; applying a DC (direct current) voltage to the drain end and source end of the device to be measured, and applying a grid DC working voltage to the grid; measuring the current at the drain and source ends of the device to be measured when the voltage on the grid is a DC working voltage; removing the DC working voltage on the grid; applying a square-wave pulse voltage to the grid; gradually increasing the temperature in the temperature control box, wherein the maximum temperature does not exceed the junction temperature of the measured device; continuously measuring the leakage current at the drain and source ends of the device to be measured; and when the measured leakage current at the drain and source ends of the device to be measured is equal to the current at the drain and source ends of the device to be measured, calculating the thermal resistance of the device to be measured by taking the temperature in the temperature control box as an equivalent junction temperature.

The invention discloses a method for preparing high-purity multicolor carbon dots by regulating and controlling the appearance of carbon nanocrystals and an application of the method. The method comprises the following steps: a) weighing 0.2-0.3 g of o-aminophenol, metering 18-22 ml of an alcohol solution, and dissolving the o-aminophenol in the alcohol solution; b) after the o-aminophenol is completely dissolved, transferring the solution into a 50 ml hydrothermal synthesis kettle with polytetrafluoroethylene lining to perform a reaction for 15-18 hours in a muffle furnace at the temperatureof 150-180 DEG C, thus forming a brown solution with fine suspended particles after the reaction is finished; and c) centrifuging the solution at 4000 r / min, collecting a solid from bottom layer, anddrying the solid to obtain the carbon nanocrystals, and d) dissolving the carbon nanocrystals in a solvent with corresponding polarity to prepare the high-purity multicolor carbon dots. The preparation method has the advantages of simple, cheap and easily available raw materials, mild experimental conditions, no complicated steps, convenience and easiness in operation.

The invention relates to a method for preparing high-alkalinity chromium-containing vanadium-titanium pellets by using calcium oxide. The method is to batch raw materials including vanadium-titanium magnetite and additives calcium oxide powder and sodium bentonite so that the alkalinity is 1.8 ~2.1, dry and dry mix the materials respectively; divide the mixed mineral materials into two parts evenly, add 3~4% water of the total mass of raw materials to the first part, and add 6~4% of the total mass of raw materials to the second part 8% water, mix evenly, seal and let stand; when making balls, use the first part of the mineral powder during the cue ball forming period, and the second part of the mineral powder for the long term when the cue ball grows. Spray before the cue ball grows. The amount of water is controlled at 1ml / 10g mineral powder ~ 2ml / 10g mineral powder to prevent adhesion between the cue balls, and the interval between each water addition and feeding is 40 to 90 seconds, so that the diameter of the produced pellets is within 8mm ~ 12mm; Carry out green pellet stewing, drying, pre-oxidation roasting, and secondary high-temperature oxidation roasting to obtain high-alkalinity chromium-containing vanadium-titanium pellets.

The present invention discloses a preparation method of a straight hole channel magnetic material. The method comprises: first, freezing and drying silica sol directionally, and then, obtaining a straight hole channel silica bulk material after high temperature calcination; next, dipping the silica bulk in FeCl3, and taking out the substance for drying; and finally, reducing the dipped and dried silica bulk by using NaBH4 or H2, so as to obtain the straight hole channel magnetic bulk material. The method is simple and easy to implement. A finished product prepared by the method has a controllable structure and good stability and can be mass-produced. Compared with a conventional porous material, the magnetic material prepared by the method has an excellent straight hole channel structure, facilitating the material transmission in the hole channel, namely; and a hole structure has small motion resistance, so permeation resistance is reduced, and efficiency is increased.

The invention provides a preparation method of a metal surface energy-saving material. The preparation method comprises the following steps that (a) diatomite and ash-calcium powder are put in hot water of 100-150 DEG C for rinsing, organic impurities are removed, then drying is performed after rinsing with clear water, and mixed powder I of the diatomite and ash-calcium powder is obtained; (b) boron nitride, a water repellent and kerosene are added into the mixed powder I and are evenly stirred to obtain mixed powder II; (c) the mixed powder II is put in a ball mill for grinding till third powder III with the particle size of 120-200 microns is obtained; (d) the third powder III obtained in the step (c) and ethyl alcohol are put in a stirrer, stirring is performed at the rotating speed of 1500-2000 r / min for 40-50 minutes to obtain a mixture IV; (e) basic oil is added into the mixture IV and is stirred for 2-3 hours. The preparation method is simple in process and low in cost, does not include complicated operating steps, has no higher requirement for manufactured devices and is suitable for industrial large-scale production.

The invention discloses a method for making a bathtub for seamlessly connecting a cylinder body and a skirt. First, oil sludge is used to manufacture a hot-pressed film according to the shape formed with the cylinder body and the skirt, and cast lead and gypsum materials are used as male and female molds; Heat the acrylic plate to clamp it on the mold frame, soften it and then press it to make it stick to the mold surface; after hot pressing, take out the mold, clean it, and finally get the finished product.

The invention discloses a method for measuring p-hydroxybenzoate in cosmetics and relates to a method for measuring components in cosmetics. The method comprises the following steps: A, performing tested sample treatment, namely preparing the tested cosmetics into diluent; B, performing spectral measurement, namely B1, preparing a background spectrum set, B2, determining the standard spectrum of p-hydroxybenzoate, and B3, performing spectral measurement on the tested cosmetics; C, performing positive test and content measurement, namely C1, performing positive test, calculating an included angle between the merged matrix and the standard spectrum of p-hydroxybenzoate, when the included angle is larger than 0.15, the p-hydroxybenzoate is judged to be negative, and the spectrum of the tested cosmetics is recorded into the background spectrum database, and when the included angle is smaller than 0.1, the p-hydroxybenzoate is stored in the tested cosmetics, the sample is positive, and continuing, and C2 performing content measurement, namely deducing the standard spectrum of p-hydroxybenzoate from the spectrum of the tested cosmetics, thereby obtaining the actual content of the p-hydroxybenzoate. The method is high in analysis efficiency, low in operation strength, low in analysis cost, high in robustness and easy to popularize and use.

The invention discloses a preparation method of an ointment containing griseofulvin for treating fungal skin diseases. The preparation method comprises the following steps: step 1, preparing materials: the prepared materials include several Qumixin creams (10 grams each), several griseofulvin tablets (0.1 grams each), and several benzoyl peroxide gels, step 2,crushing materials: putting the griseofulvin tablets into a masher, smashing, adding into a solution in proportion, stirring and mixing, and then slowly preparing the griseofulvin tablets and the solution into medicinal paste, step 3, stirring: then putting the Qumixin cream, griseofulvin paste and benzoyl peroxide gel into a blender to stir in proportion, and step 4, packaging: putting the uniformly stirred medicine into a small box,sealing and packaging. The method is simple and easy to prepare, the benzoyl peroxide gel is used as a cutin dissolving agent to soften and clean skin cutin, and the medicine is matched to sterilizeand treat fungal skin diseases, so that treatment effect is better.

The invention belongs to the technical field of carbon dot materials, and particularly relates to a rosin-based carbon dot material, and a preparation method and an application thereof. Rosin resin acid is mixed with water, and a hydrothermal reaction is carried out to obtain the rosin-based carbon dot material. The rosin resin acid which is a natural biomass resource is used as a raw material, sothe raw material is rich and has a low price, and the prepared rosin-based carbon dot material has fluorescence emission properties when in a solid state and a liquid state, and has incomparable characteristics of CDs prepared from other biomass raw materials; and the CDs material is prepared by adopting the one-step hydrothermal synthesis process, the preparation method is simple and is easy tooperate, and the rosin-based carbon dot material prepared in the invention can be used for cell imaging and detection of metal Fe<3+> ions, and can be used for manufacturing a white light emitting diode (WLED) when in the solid state.

The invention relates to a seamless steel tube for nuclear power equipment and a preparation method of the seamless steel tube. The seamless steel tube comprises the following compositions of, by mass, 1.5-3.3 parts of C, 1.9-4.2 parts of Si, 4.5-8.5 parts of Mn, 0.1-0.2 part of Pb, 0.1-0.2 part of Bi, 0.2-0.4 part of Nb, 6-12 parts of Re, 0.06-0.15 part of P and 950-1100 parts of Fe. According tothe provided seamless steel tube, the technical requirements for the seamless steel tube for a third generation nuclear power plant unit can be met, the performance of the seamless steel tube is higher than the performance of a conventional seamless steel tube, the excellent yield strength, tensile performance, toughness performance and impact performance are achieved at the low temperature, hightemperature and normal temperature, the quite good abrasion resistance is achieved, and the service life of the steel tube is long.

The invention discloses a prostatic puncture device, and relates to the field of medical equipment. According to the technical scheme, the prostatic puncture device comprises a base, wherein the baseis provided with a sliding groove, the upper side of the base is slidably connected with a prostatic supporting mechanism and a puncture needle through the sliding groove in sequence, the prostatic supporting mechanism is located at the front side of the point of the puncture needle, and the prostatic supporting mechanism and the puncture needle are slidably connected with the sliding groove through supporting rods respectively; the prostatic supporting mechanism comprises an outer cylinder, the outer cylinder is a hollow cylinder of which the two ends are provided with openings, and the outercylinder is internally in sleeved connection with an internal assembly; the rear side end of a supporting assembly is hinged with the front side end of an inner rod. The prostatic puncture device hasthe advantages that the use is simple, no complex operation step exists, the smoother outer cylinder of the device enters the anus of a patient more easily, and the supporting assembly of the devicecan be unfolded after the device enters the human body, thereby reducing the pain of the patient, and ensuring the enough supporting area and supporting strength for the prostate.

The invention provides a high-purity battery-level manganese source which is manganese sulfide and / or manganese oxide, wherein a manganese sulfide XRD crystal phase is a pure gamma-phase and / or pure beta-phase similar-fibrid or claviform sulfide, and the appearance is pink, brownish red or brick red. The preparation method of the high-purity battery-level manganese source comprises the following steps of preparing a divalent manganese salt solution to the concentration of 5-50 degrees Be'; adding sulphurizing salt, and filtering to prepare a primary manganese salt solution; further adding a sulfide solution, and regulating pH to prepare a manganese sulfide filter cake; carrying out reverse osmosis washing to obtain a manganese sulfide crystal; beating, then controlling the temperature of manganese sulfide slurry to 50-100 DEG C, stirring, adding an acid source to the manganese sulfide slurry to react for 2-6 hours, carrying out acidolysis to prepare a manganese salt solution, wherein the manganese sulfide inside a system needs to be excessive during the acidolysis, and the excessive mass fraction of the manganese sulfide is controlled at 1%-10%; regulating the pH to 5.5-6.0, reacting for 2-6 hours, and then carrying out pressure filtration to obtain a high-purity battery-level manganese salt product. The manganese sulfide can not only be directly applied, but also be used for synthesizing different kinds of high-end manganese salt or manganese oxide by taking the obtained manganese sulfide as the high-purity manganese source.

The invention provides a self-repairing polyurethane elastomer without external stimulation and a preparation method thereof. The molecular chain of the self-healing polyurethane elastomer polymer without external stimulation contains acylhydrazone bonds. On the basis of self-healing polyurethane, liquid acid and solid acid are added to make the material undergo mechanical damage through the acylhydrazone bonds. Dynamic exchange reaction, without external acid stimulation, self-repair can be achieved at room temperature, the repair conditions are simple, and multiple repairs can be achieved. The polyurethane elastomer containing acylhydrazone bonds synthesized by the invention without external stimulation can realize self-repair after being cut and contacted along the cross section for 72 hours. The self-healing polyurethane elastomer without external stimulation is simple to prepare, the raw materials are readily available and the mechanical properties are excellent, which improves the application prospect of the self-healing polyurethane elastomer.

The invention relates to an electric furnace structure, and concretely relates to an electric furnace roll-over disrotatory quenching structure, which can mainly solve the problems of inconvenient material lift and automatic discharging of an internal quenching structure of the current electric furnaces. The quenching structure comprises a support, and also comprises a set disrotatory structure and a driving motor arranged at a same side of the support, and the disrotatory structure is formed by two disrotatory rollers and a link mechanism between two disrotatory rollers and a roll-over material lift rod arranged at the disrotatory roller. A traditional sander roller almost employs belt transmission to drive horizontal movement, the disrotatory roller having a simple and reliable structure, the link mechanism and the roll-over material lift rod realize the material lift and automatic discharging functions during a workpiece quenching process, compared with the current complex materiallift machines, the structure cost is reduced, a slip face is arranged at the roll-over material lift rod, when an upper half part face upwardly, the material lift function is realized, when a lower half part face downwardly, and automatic discharging is realized.

The invention discloses a tumbler type culture zone tidal pump aeration device and belongs to the technical field of solving a marine anoxic problem. Two tidal pumps are placed in a tumbler type device, and one pump is made to be constantly upright when the device is on the sea floor. The device has a simple structure and flexible design, the tidal pump consists of one segment of a 90-DEG elbow and one segment of a vertical pipe, a guide plate of the elbow portion makes a pump port constantly face the flow direction, and the horizontal tidal flow forms a down flow through the elbow to alleviate a hypoxia phenomenon in a culture zone to provide enough oxygen for benthic organisms.