47results about How to "Help convert" patented technology

The invention discloses a method for preparing silicon oxide nanofiber. The method comprises the following steps of mixing silica sol with a nitrate solution, performing ultrasonic dispersion on the solution, adding ethylenediamine after the dissolution of the nitrate solution, and stirring uniformly to obtain a mixed solution; putting the mixed solution into a stainless steel reaction kettle with a polytetrafluoroethylene liner, standing the reaction kettle in a high-temperature baking oven after the closing of the reaction kettle, and performing a hydrothermal reaction; taking out the reaction kettle and cooling the reaction kettle to room temperature after the completion of the reaction, collecting precipitates in the reaction kettle, and washing the precipitates to obtain a silicon oxide nanofiber crude product; adding the silicon oxide nanofiber crude product into a hydrochloric acid solution, stirring in a thermostatic water bath, removing impurity components from the silicon oxide nanofiber crude product, and performing centrifugal separation to obtain a silicon oxide nanofiber finished product. The method disclosed by the invention has the advantages that not only can the high energy consumption in a nanofiber preparation process through a traditional chemical vapor deposition and thermal evaporation technology be avoided, but also the production is easily expanded by utilization of a hydrothermal synthesis technology.

The invention discloses a making technology of tea cakes in the field of processing of tea leaves. The making technology comprises the following steps of: step I, performing resurgence: spraying water to tea leaves so that the tea leaves are in resurgence; step II, steaming tea: steaming the tea leaves after the resurgence with steam for 4-6 seconds; step III, loading the cooked tea leaves into a mold: paving a liner cloth in a circular mold in advance, then placing an annular snap ring on the liner cloth, wherein the snap ring and the mold are concentric circles, the height of the snap ring is less than that of the mold, and a plurality of dividing strips are arranged on the outer edge and the inner edge of the snap ring, and then putting the steamed tea leaves of which the placing thickness is greater than the height of the snap ring, in the mold,; step IV, performing pressing to obtain cakes: putting the mold loaded with the tea leaves in a tea cake briquetting machine for briquetting so as to obtain the tea cakes; step V, performing drying: taking out pressed tea cakes, and putting the tea cakes in a drying room for drying; and step VI, performing packaging: packaging the dried tea cakes so that the packaged tea cakes can be sold. The tea cakes made by the technology disclosed by the invention can be divided into tea leaf blocks by the snap ring and the dividing strips, so that the tea cakes are convenient to eat, and waste of the tea leaves is avoided.

According to the invention, an enzyme beverage with the efficacy of dispelling effects of alcohol and protecting the liver is prepared from a main material of Chinese date soup supplemented with medicinal materials or food materials such as lotus leaves, giant knotweed rhizomes, Chinese thorowax roots, fleeceflower roots, radix angelicae sinensis and raw ginger, and prepared by a special enzyme biological fermentation technology. Before ethyl alcohol enters the liver, the beverage can intercept and decompose the ethyl alcohol which is then expelled from the body through gastrointestinal tracts so as to effectively protect the liver and the stomach, furthest avoid liver damage and stomach damage, and play a role in dispelling effects of alcohol and protecting the liver. An enzyme stock solution can quickly decompose the ethyl alcohol in the body, prevent brain and internal organs from paralysis, and improve situations such as serious hangover and headache. The beverage is taken before drinking so as to prevent drunkenness, condition the stomach and the intestine, improve digestion and absorption, and enhance constitution.

The invention discloses an ordered mesoporous TMCO-aluminium oxide (transition metal composite oxide-aluminium oxide) catalyst resistant to sulfur poisoning and a preparation method thereof, and belongs to the technical field of environmental protection. The catalyst is prepared by taking transition metal composite oxide as a catalyst active component, aluminum isopropoxide as an aluminum source and a polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer as a template agent as the raw materials. The preparation method comprises the following steps that firstly, the template agent, the aluminum isopropoxide and acid are sequentially added into a container containing a solvent, and stirring is carried out until the mixture is dissolved; the active component of the catalyst is added into the container, and stirring is carried out; then the container is sealed, and stirring is carried out at room temperature; then after the container is opened, drying is carried outin a drying oven; and finally solid dried in the drying oven is taken out and then is roasted to obtain the catalyst. The ordered mesoporous TMCO-alumina catalyst is prepared by adopting a solvent volatilization-solute self-assembly method, and the prepared catalyst has high reaction activity and relatively strong anti-sulfur-poisoning performance.

The invention relates to liquid milk which is added with the components of sweet potatoes and hawthorns so as to be beneficial to the digestion and the absorption of the milk and provide abundant nutritional health-care components. The invention solves the technical problems of keeping better nutritional components and mouth feel, promoting the digestion and the absorption of a milk product and prolonging the ageing of starch. The product concerned in the invention mainly comprises liquid milk, sweet potatoes and hawthorns. Each kilogram of sweet potato-hawthorn milk contains 580 to 820 grams of liquid milk, 80 to 400 grams of sweet potato pulp (with the water content of 20 to 60 percent) and 50 to 280 grams of hawthorn fruit pulp (with the water content of 20 to 60 percent). The manufacturing method comprises the following steps of: sieving the sweet potatoes and the hawthorns respectively, washing, softening, beating, separating, filtering, removing residues, mixing with the liquid milk and stirring after degassing, and then packaging to obtain the product, wherein the procedures of softening and beating can better keep the original state and the taste of plants. The sweet potatoes and the hawthorns can ensure the balance of nutrition and promote the absorption of the milk.

The invention discloses a layered porous magnesium iron hydrotalcite-based catalyst (MgFe-LMOs) and application thereof in production of biodiesel by hydrodeoxygenation in a suspended bed. The preparation method comprises the following steps: firstly, preparing MgFe-LDHs binary hydrotalcite with an intercalation structure by adopting a hydrothermal-co-precipitation method, and then roasting the MgFe-LDHs binary hydrotalcite in an air atmosphere to obtain the layered porous magnesium-iron catalyst material. The catalyst is applied to production of biodiesel through hydrodeoxygenation in a suspended bed with palm oil as raw material oil, the catalyst has high hydrodeoxygenation reaction activity and selectivity, and products of the hydrodeoxygenation mainly comprise C10-C18 alkanes and have a high combustion heat value, so that the catalyst has a good application prospect in industry.

The invention discloses a rotary laser radar and an SLAM robot for indoor map construction and positioning. A 3D laser radar is rotationally connected with a fixed seat through a laser radar support;the SLAM robot constructed and positioned by the indoor map formed by the rotary laser radar can achieve full-angle detection of the surrounding environment, and in addition, the robot further comprises a camera module for collecting front image data and a pose capturing unit for collecting the position and pose of the robot. The rotary 3D laser radar, the multi-angle camera and the pose capturingunit cooperate and supplement with one another, comprehensive and accurate environment information around the robot can be obtained, and the most basic and important data source is provided for constructing the accurate and complete three-dimensional map.

The invention relates to a dust suppressant for mineral powder and a preparation method of the dust suppressant. The dust suppressant is obtained by preparing a polymer hydrosol through a copolymerization technique by using an ionic monomer and a nonionic monomer as raw materials, and performing mixing on the polymer hydrosol and a silica sol. According to the dust suppressant provided by the invention, the polymer hydrosol has a low particle size and better bonding ability to the mineral powder; and the silica sol improves cohesive force of the organic polymer, and the shell layer formed by the silica sol has better weathering resistance.

The invention discloses an urban air pollution control method, which comprises the following steps: (1) determining the city wind direction and the pollution source; (2) establishing an isolation belt; (3) carrying out net hanging and rod anchoring construction on the isolation belt surface; (4) spraying the surface of the isolation belt by using loam-like substrates, including the subbase of theloam-like substrates and the surface of the loam-like substrates; (5) carrying out a maintenance management, including covering the surface of the loam-like substrates with non-woven fabrics and strengthening non-woven fabrics, watering, fertilizing, controlling pest, replanting and post-monitoring. The urban air pollution control method provides a green isolation belt which can quickly form a stable ecosystem, thereby reducing the air pollution to the city.

The invention discloses a multifunctional composite catalyst as well as a preparation method and application thereof. The multifunctional composite catalyst is composed of a molybdenum-containing composite metal oxide and a multi-stage pore zeolite molecular sieve modified with and a metal element. The preparation method comprises the following steps: adding water into a molybdenum salt, and performing stirring to prepare a solution A; adding a salt containing the A element into the solution A, and continuing stirring to obtain a solution B; adding a hard templating agent into the solution B,and continuing stirring to obtain a solution C; continuing to stir the solution C at temperature of 40-90 DEG C to obtain a solid-liquid mixture; adding a salt containing at least one element selectedfrom the group consisting of a group IIA element, a group IIIA element, a group IIB element, a group IIIB element, a group IVB element, a group VIIB element and the like into water to prepare a solution D, continuing to stir the solution D to obtain a solid-liquid mixture, and performing drying; and performing mixed grinding on the AOx-MoO3 and the metal modified molecular sieve, and performing preforming molding to obtain a sample, wherein the sample is the multifunctional composite catalyst.

The invention discloses a substrate integrated gradient-width surface wave antenna. The antenna comprises a metal floor, an upper-layer metal plate, a dielectric plate, a short circuit via hole and afeed probe, wherein the upper-layer metal plate and the metal floor are positioned on the upper surface and the lower surface of the dielectric plate respectively; the upper-layer metal plate is provided with an empty groove along the transverse gradient width; the short circuit via hole is arranged along the edge of the empty groove; and the feed probe is arranged in the longitudinal center of the empty groove and penetrates through the dielectric plate to be connected with the upper-layer metal plate. The antenna realizes high-gain and low-sidelobe-level end-on-fire radiation, provides a relatively wide impedance bandwidth, and has the characteristics of easy integration, low profile and easy processing.

The invention belongs to the field of functional foods, and particularly relates to a nutrient composition for cleaning intestines and expelling toxin of intestines. The nutrient composition comprisesthe following components in parts by mass of 23.79-76.12 parts of glycitol, 4.76-52.33 parts of fructo-oligosaccharide, 0.24-9.28 parts of a haw extract, 0.24-9.28 parts of honey powder, and 0.1-23.88 parts of inulin. According to the formula, the components are in a synergistic reaction, and eaters are regulated from many respects, so that the nutrient composition is favorable for intestinal peristalsis, can restore intestinal motility, can expel toxins of the intestines, can promote cleanness of the intestines, can rapidly increase the defecation amount, can relieve constipation and can maintain the intestines healthy.

The invention discloses a nutrient medium for rock slope regreening and a construction process thereof. The construction process includes the steps of arranging a slope, distributing slope rainwater collecting and slow releasing devices, hanging a net on the slope, constructing anchor rods, spraying and spreading the nutrient medium, arranging a slope drainage system and performing later-period curing, wherein the nutrient medium to be sprayed and spread is mainly divided into three layers: the super-adhering nutrient medium, the super-bonding nutrient medium and the anti-scouring nutrient medium. By means of the construction process on the basis of a traditional process, the slope stability evaluation is increased; a rainwater collecting and slow releasing system is adopted for an improved mesh mode, and the curing time and curing cost are effectively reduced on the basis of ensuring the slope stability and good vegetable growth.

The invention relates to a mineral powder suppressant and a preparing method thereof. According to the suppressant, ionic monomers and nonionic monomers serve as raw materials, and polymer hydrosol is prepared through the copolymerization technology with a high dosage of ionic monomers. The polymer hydrosol is in a fine disperse state with the particle size being lower than 100 nm. The specific surface area is remarkably increased, the bonding probability and consolidation effect of the suppressant and dust particles are improved, and the dust suppression efficiency can be easily improved.

The invention relates to an assessment management system for clinical studies initiated by researchers. The system comprises a project assessment module, a project assessment module and a project assessment module, wherein the project assessment module is used for assessing the feasibility of the clinical studies initiated by the researchers; the scheme design module is used for designing and generating an implementation scheme of clinical research; the research data management module is used for collecting and managing research data in the clinical research process; the data analysis and evaluation module is used for analyzing and evaluating the research data to complete the evaluation of the implementation quality of the clinical research; and the project recommendation module is used for carrying out comprehensive analysis according to the feasibility evaluation result and the implementation quality evaluation result, determining high-quality clinical research and carrying out recommendation. Compared with the prior art, the present invention provides comprehensive evaluation management of a series of processes from feasibility study-implementation design-implementation processdata management-implementation quality assessment on clinical studies initiated by researchers, the whole process is high in intelligent degree, and evaluation management is more scientific and reliable.

The invention relates to liquid milk which is added with pumpkin and hawthorn, the digestion and absorption of milk are facilitated, and the milk provides rich nutrition and health-care components. The plant pulp milk realizes the technical effects of maintaining better nutrition components and taste, promoting the digestion and absorption of milk and prolonging the service life of starch. The product mainly comprises the liquid milk, the pumpkin and the hawthorn, and the content of the three components in each kilogram of the pumpkin and hawthorn milk is that: liquid milk, 580g to 820g; pumpkin pulp (containing 20 percent to 60 percent of water), 80g to 400g; and hawthorn pulp (containing 20 percent to 60 percent of water), 50 to 280g. A preparation method comprises the steps that: the pumpkin and the hawthorn are respectively screened, cored, cleaned, softened, beaten, separated, filtered, deslagged, degassed mixed with the liquid milk and stirred, and then are packaged to prepare the product. Wherein, the softening and beating procedures can better maintain the original form and taste of plants. Pumpkin and hawthorn can ensure balanced nutrition and promote the absorption of the milk.

The invention provides a method for extracting aluminum from aluminum-containing minerals. The method comprises the following steps: mixing the aluminum-containing minerals with ammonium salt, and roasting in an atmosphere containing water vapor to obtain roasted clinker and tail gas; leaching the roasted clinker and then carrying out solid-liquid separation to obtain leachate and leaching residues; mixing the leachate with a pH regulator, reacting and then carrying out solid-liquid separation to obtain mixed precipitate and a precipitate mother solution; and mixing the mixed precipitate with an alkali solution, reacting, and then carrying out solid-liquid separation to obtain an aluminate solution and residual precipitate. According to the method, water vapor is introduced in the mixed roasting process of the aluminum-containing minerals and the ammonium salt, conversion of the aluminum-containing minerals is facilitated, then the leaching rate of aluminum and the utilization rate of the ammonium salt in the subsequent leaching process are increased, the problem that the utilization rate of the ammonium salt is low is effectively solved, and separation of aluminum from impurity elements can be effectively achieved through the method; and the method is simple to implement, environmentally friendly, low in equipment requirement, low in energy consumption and raw material cost and good in economic benefit, and has good industrial application prospects.