30results about How to "Process quality is easy to control" patented technology

The invention discloses an MEMS (Micro-Electromechanical System)-based micro-mechanical sensor, belonging to the technical field of micro-mechanical sensors. The sensor comprises three layers of substrates made from monocrystalline silicon wafers, and a unique path for gas circulation is formed by a first cavity formed in a first substrate, a first through hole formed in a second substrate and a third cavity formed in a third substrate. When a first diaphragm stuck to the first substrate is damaged due to strong impact, the first diaphragm can be dismounted and replaced, so that the use is facilitated, and the efficiency is increased; by using an MEMS processing process, the size of the sensor is reduced; precipitation particles can be measured by using the micro-mechanical sensor.

The invention discloses a novel process for a Chinese medicinal composition for reducing blood fat and a method for preparing novel formulations. Different formulations are prepared by different extraction methods. Medicinal materials are partially or fully extracted by ethanol in different proportions according to a prescription to prepare hard capsules, soft capsules, tablets and sustained-release preparations respectively. By adopting the modern technology, the novel process and the method improve the technical content of the medicament, ensure that the active ingredients of each medicinal material can be fully extracted, and provide the safe, effective and controlled medicament for reducing the blood fat. The method can provide more choices for wide patient groups through the research of the different formulations, and at the same time, the dosage is reduced; and the Chinese medicinal composition is taken, stored and transported conveniently, and satisfies the patient.

The invention belongs to the technical field of catalytic materials, and discloses a polymer molecular cluster nano composite catalytic material as well as a preparation method and application thereof. The polymer molecular cluster nano composite catalytic material is mainly prepared from a molecular cluster and an acrylate monomer, wherein the molecular cluster is a polyoxometallate molecular cluster and is one or more of a Lindeqvist type molecular cluster, a Keggin type molecular cluster and an Anderson type molecular cluster. The invention also discloses a preparation method of the composite catalytic material. The composite catalytic material is good in mechanical property, high in catalytic efficiency, good in catalytic stability and easy to recycle, and the defects that the catalytic efficiency is reduced, the stability is poor and cyclic utilization cannot be achieved due to the fact that a catalytic center leaves in the catalytic process of a traditional material are overcome;and in addition, the catalytic material provided by the invention can realize gas separation and catalysis. The catalytic material disclosed by the invention is applied to the fields of gas separation catalysis and heterogeneous catalysis.

The invention discloses donkey-hide-gelatin-containing instant granules and a preparation method thereof. The instant granules are prepared from the following components (including raw materials and adjuvants) in parts by weight: 45-55 parts of donkey-hide gelatin, 18-22 parts of red date, 8-12 parts of hawthorn, 8-12 parts of Chinese magnoliavine fruit, 8-12 parts of licorice, 1.0-1.5 parts of tween-40, 0.2-0.6 part of sodium lauryl sulfate, 0.4-0.8 part of mono-fatty acid ester of sucrose and 0.08-0.12 part of sweetening agent. The preparation method includes the following steps of: extracting concentrated juice of red date, hawthorn, Chinese magnoliavine fruit and licorice, adding donkey-hide gelatin and a sweetening agent solution, then mixing with a composite emulsifying agent prepared from tween-40, sodium lauryl sulfate, and mono-fatty acid ester of sucrose, carrying out homogenous emulsification on the mixture, and pelletizing by using a spray drying pelletizing method to obtain the instant granules. The donkey-hide-gelatin-containing instant granules are short in production cycle, uniform in granules, and good in particle solubility.

The invention discloses a micro mechanical sensor with two layers of base plates, and belongs to the technical field of micro mechanical sensors. The sensor comprises the two layers of base plates, a second cavity, a third cavity and a through hole, wherein the base plates are made of monocrystalline silicon wafers, the base plates, the second cavity, the third cavity and the through hole form a unique path for gas circulation, a measuring resistor and a heating resistor are arranged in a narrowest position in the gas circulation path, and the gas flowing speed is accelerated. The micro mechanical sensor has the advantages that an MEMS (micro-electromechanical system) processing process is adopted, the size of the sensor is reduced, and the micro mechanical sensor can be used for measuring precipitation particles.

The invention discloses an inflammation-diminishing Zhuang medicine preparation which is prepared from the following components in parts by weight: 10-50 parts of smilax scobinicaulis, 10-40 parts of cyclea hypoglauca, 10-40 parts of dichondra repens, 5-30 parts of abrus mollis and 5-30 parts of camellia chrysantha. The inflammation-diminishing Zhuang medicine preparation inherits the Zhuang medicine theory of toxic deficiency pathopoiesia and the treatment principle of regulating qi, removing toxin and tonifying deficiency, and with the combination of the traditional Chinese medicine theories and modern medicine techniques, Zhuang medicines such as smilax scobinicaulis, cyclea hypoglauca, dichondra repens, abrus mollis and camellia chrysantha are finely selected and matched to prepare the preparation, and the preparation has remarkable effects of clearing heat, removing toxin, removing swelling, relieving pain, removing stone, relieving spasm, stopping bleeding and diarrhea, converging wound, generating muscle, and the like, can be used for treating gynecologic inflammation, urinary tract infection, odynuria, hematuria, nephritis, enteritis, hepatitis, trachitis and the like, and is free of adverse reaction or toxic or side effect, controllable in process quality, easy to carry over and take and relatively wide in applicable people. The inflammation-diminishing Zhuang medicine preparation has great significance for prevention and treatment on global epidemic diseases.

The invention discloses a large-diameter vacuum high-pressure control valve which comprises a valve seat of a hexahedron structure. The piston and the valve element assembly are arranged in the valve seat; wherein the lower portion of each face of the valve seat is provided with a matched cavity, and all the cavities are communicated through matched hole channels in space; the chambers are configured to comprise a piston assembly installation chamber, a valve element assembly installation chamber, a low-pressure exhaust chamber, a high-pressure air inlet chamber, a pressure sensor assembly installation chamber and an electromagnetic valve element assembly installation chamber. According to the large-diameter vacuum high-pressure control valve, through the structural design of the valve seat, all executing mechanisms for achieving the functions of the automatic control valve are integrated on the six-way valve seat, integrated machining and manufacturing can be completed, and the machining and manufacturing precision is easy to guarantee; the technology is mature, the difficulty is small, the cost is low, the quality in the machining process is easy to control, and better adaptability is achieved.

The invention belongs to the field of biological medicine, and particularly relates to a hericium erinaceus isolate and an isolating method and application thereof. The isolating method comprises the steps that macroporous resin adsorption, elution and concentration are conducted on hericium erinaceus solid fermentative hypha crude extract, then diethyl ether is added for extraction, 200-300-mesh column chromatography on silica gel and gradient elution are conducted, and then a compound I is obtained through recrystallization. The compound I and the hericium erinaceus isolate can be used for preparing drugs for treating diseases caused by helicobacter pylori, especially diseases of digestive tract including gastritis, peptic ulcers, dyspepsia, ulcerative colitis and malignant tumors of digestive tract. The hericium erinaceus isolate can also serve as a food additive.

The invention discloses a green low-toxicity high-viscosity polyoxometallate-based glass adhesive as well as a preparation method and application thereof. The adhesive is prepared from polyvinyl alcohol, polyoxometallate and water, the mass ratio of the polyvinyl alcohol to the polyoxometallate is 12: (2.4-84), and the mass ratio of the polyvinyl alcohol to the water is 1: 99-30: 70. According to the method, polyvinyl alcohol is completely dissolved in water and then is blended with polyoxometallate to prepare the adhesive. The adhesive is simple in production method, high in cohesiveness and non-toxic, and is mainly used for bonding between glass.

The invention belongs to the technical field of composite materials for catalytic degradation of chemical warfare agents, and discloses a polymer zirconium cluster compounded chemical warfare agent catalytic degradation material and a preparation method thereof. The polymer zirconium cluster compounded chemical warfare agent catalytic degradation material is mainly prepared from zirconium clusters and polyethylene glycol monomers; the polyethylene glycol monomer is more than one of polyethylene glycol monomethacrylate and polyethylene glycol monoacrylate; the zirconium cluster comprises Zr and an acrylic acid ligand. The invention also discloses a preparation method of the material. The material is good in mechanical property, high in catalytic efficiency on chemical warfare agents and simulants thereof, good in catalytic stability and easy to recycle, and is colorless and transparent in dry and swelling states. The method is simple.

The invention discloses a polyvanadate alkoxy derivative with insulin sensitization activity as well as a preparation method and application of the polyvanadate alkoxy derivative. According to the method, anhydride or fatty acid or benzoic acid and vanadate or vanadate are subjected to a one-step esterification reaction to prepare the polyvanadate alkoxy derivative. The polyvanadate alkoxy derivative can rapidly reduce the blood sugar of diabetic mice, the combined use of the polyvanadate alkoxy derivative and insulin can better control the blood sugar than the single use of insulin, and the promotion of the glucose responsiveness and the lasting activity of the insulin is realized, so that the administration frequency of the insulin can be reduced, and the experience that animals suffer from hyperglycemia and hypoglycemia at the same time is reduced, so that the fidelity of blood glucose control for insulin treatment is further improved.