82results about How to "Avoid using directly" patented technology

The invention discloses a composite cheese liver flavor attractant and a preparation method of the composite cheese liver flavor attractant. The composite cheese liver flavor attractant comprises the following raw materials in parts by weight: 1-15 parts of natural cream zymolyte, 30-60 parts of fresh pork liver zymolyte, 0.5-3.5 parts of yeast extract, 0.5-4 parts of xylose, 0-2 parts of cysteine hydrochloride, 0-2 parts of vitamin B1, 0-3.5 parts of glutamic acid, 0-30 parts of dextrin and 15-30 parts of water. The composite cheese liver flavor attractant and the preparation method of the composite cheese liver flavor attractant reasonably utilize waste resources, such as animal livers, as alternative products of meat flavor essence or primary liver products in the pet feed and the special animal feed. The composite cheese liver flavor attractant and the preparation method of the composite cheese liver flavor attractant can ensure the intensity of the liver flavor and the meat flavor of the finished product, efficiently reduce the direct usage of the liver, and ensure the body health of pets and carnivores. The cheese flavor and the liver flavor are properly coordinated. The composite cheese liver flavor attractant has the advantages that the composite cheese liver flavor attractant is rich, heavy, natural, lasting and soft in flavor, and favorable in the animal attracting effect, and the composite cheese liver flavor attractant has favorable high temperature resistance. The composite cheese liver flavor attractant meets national edible standards, and the composite cheese liver flavor attractant is safe and reliable when being used as an attractant.

The invention discloses a method for preparing dimethylfuran through electrocatalytic hydrogenation of 5-hydroxymethylfurfural in a proton exchange membrane reactor. According to the method, a protonexchange membrane (PEM) electrolytic tank is adopted as the reactor for carrying out catalytic hydrogenation on HMF to form DMF, protons, electrons and oxygen are generated in anode electrolysis water, and the protons reach a cathode through a PEM; and in the cathode, the HMF is electrochemically reduced into the DMF by being combined with the protons generated from the anode electrolysis water. The method can be carried out under the conditions of the room temperature and barometric pressure and the condition of being free of outside hydrogen supply. Compared with a traditional DMF preparation method, the method is low in energy consumption and cost and high in productivity and has high practicality and good industrialization prospects.

The invention provides blueberry pigment biscuit, which is prepared from 100 to 150 parts of flour, 4 to 8 parts of floral blueberry powder, 60 to 100 parts of butter, 20 to 40 parts of egg and 30 to 60 parts of berry sugar. Fresh floral substances are extracted from blueberry fruit raw materials by a modern essence extraction technology; the trouble of problems of single flavor, the use of flavoring additive and the like of conventional biscuit is avoided. By using a heating flavoring mode, the people group naturally allergic to pollen can eat the blueberry pigment biscuit. The use range of the blueberry pigment can be expanded; the fresh flower and blueberry industry can be favorably combined for health development. The biscuit has the intense rose fragrance and antioxidant pigments; the color and the fragrance of the biscuit can be effectively improved. Compared with conventional biscuit, the biscuit has the advantages that the biscuit can realize natural red and uniform color and luster; the fresh flowers and the blueberries are combined, so that the effect of improving the quality of the conventional biscuit is achieved; the natural and health concept can be given to a product.

The invention belongs to the technical field of fluid machinery and clearance seals, and particularly relates to a special-shaped tooth dual labyrinth seal structure and a special-shaped tooth impeller ring seal structure for a nuclear main pump and with a locating function. Seal teeth of the special-shaped tooth dual labyrinth seal structure incline towards the fluid inlet side, an inwards-concave arc structure is adopted by the leeside, a small seal cavity of a parallelogram structure is formed on the upper portion of a large seal cavity of a parallelogram-like structure, and a dual labyrinth seal is formed. An impeller ring and the outer edge of an impeller water inlet and the impeller ring and the inner wall of the front edge of a guide vane are sealed through the special-shaped toothdual labyrinth seal structure. A seal gasket is arranged between the impeller ring and a pump case for axial locating, and liquid backflow is avoided. A special-shaped tooth shape correction coefficient constraint function is obtained through calculation based on bulk analysis, the optimal design key size can be determined within a short time, and the adverse effect of clearance leaking of the impeller ring to the nuclear main pump is reduced.

The invention discloses a method for recycling aluminum ash as a steelmaking deoxidation slag former. The aluminum ash is scum generated in an aluminum electrolysis process, the air-dried aluminum ash is added with limestone and then ground into fine particles, the fine particles are uniformly stirred with a binder and water, and the deoxidation slag former is prepared after extrusion forming by using a mold and drying treatment. In the tapping process, a deoxidizing slag former is added in batches, slag is formed quickly by utilizing dynamic conditions during tapping, and the oxygen content in steel is reduced. According to the method, molten steel is deoxidized and slagging is performed by using metal aluminum and oxides thereof in the aluminum ash so that the burden of the aluminum manufacturing industry can be reduced, the economic benefit of a steel mill can be improved, the ecological environment can be improved, and the method has important practical significance.

The invention discloses a nervonic acid chemosynthesis method and belongs to the technical field of chemosynthesis. The nervonic acid chemosynthesis method is characterized in that methyl cis-13-docosenoate(erucate) as a raw material is subjected to reduction, chlorination, diethyl malonate condensation and microwave decarboxylation to produce nervonic acid. The nervonic acid chemosynthesis method has the advantages of simple operation, high yield and good product quality.

The invention provides an antibacterial mildew-proof textile and a method for preparing the antibacterial mildew-proof textile. Catalytic zinc oxide antibacterial liquid is contained in the antibacterial mildew-proof textile, the antibacterial mildew-proof textile refers to a natural textile, a synthetic textile or a mixture of the natural textile and the synthetic textile; and the main component of the antibacterial mildew-proof textile refers to catalytic zinc oxide with the average particle size of 23 nanometers. The preparation method comprises the following steps: preparing dispersion liquid, and dipping the textile in the diluent of the dispersion liquid, thereby obtaining the antibacterial mildew-proof textile. The antibacterial mildew-proof textile disclosed by the invention does not cause color change, is an antibacterial agent with the antibacterial rate of 99.99 percent, has excellent characteristics such as bacteria and mildew resistance, ultraviolet resistance, far infrared emission resistance, continuous release of negative ions and the like and can be applied to the wide fields such as beach umbrellas, medical and hygienic materials, outdoor sports wear, underwear, bedding articles and air filtration equipment. Moreover, the antibacterial mildew-proof textile has the advantages of powerful functions, high safety and the like.

The invention relates to a method for preparing sevoflurane [fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether], which comprises the following steps: reacting hexafluoroisopropanol with dimethoxymethane in the presence of a catalyst to obtain methoxymethylene hexafluoroisopropyl ether, and reacting methoxymethylene hexafluoroisopropyl ether with a fluoride in the presence of a strong acid to obtain the sevoflurane.

The invention relates to a safe intelligent payment watch based on block chain technology, including a main body, a first watch band, a second watch band, a buckle, a warmer and a screen, the main body is provided with a processor, a memory, a heating mechanism and an ejection mechanism, the ejection mechanism includes a protruding slot, a stop plate, a dust shield, two limit units and two returnunits. By The heat mechanism and the heating mechanism, the intelligent payment watch can heat up the heating plate, so that the temperature of the smart payment watch rises to the body temperature ofpeople, the comfort of the smart payment watch is improved, beside, the intelligent payment watch can enable people to eject the two-dimensional code after the fingerprint identification through thescreen when using the payment function through the pop-up mechanism, thereby preventing others from directly using the two-dimensional code, and improving the safety of the smart payment watch.

The invention discloses a composite cheese liver flavor attractant and a preparation method of the composite cheese liver flavor attractant. The composite cheese liver flavor attractant comprises the following raw materials in parts by weight: 1-15 parts of natural cream zymolyte, 30-60 parts of fresh pork liver zymolyte, 0.5-3.5 parts of yeast extract, 0.5-4 parts of xylose, 0-2 parts of cysteine hydrochloride, 0-2 parts of vitamin B1, 0-3.5 parts of glutamic acid, 0-30 parts of dextrin and 15-30 parts of water. The composite cheese liver flavor attractant and the preparation method of the composite cheese liver flavor attractant reasonably utilize waste resources, such as animal livers, as alternative products of meat flavor essence or primary liver products in the pet feed and the special animal feed. The composite cheese liver flavor attractant and the preparation method of the composite cheese liver flavor attractant can ensure the intensity of the liver flavor and the meat flavor of the finished product, efficiently reduce the direct usage of the liver, and ensure the body health of pets and carnivores. The cheese flavor and the liver flavor are properly coordinated. The composite cheese liver flavor attractant has the advantages that the composite cheese liver flavor attractant is rich, heavy, natural, lasting and soft in flavor, and favorable in the animal attracting effect, and the composite cheese liver flavor attractant has favorable high temperature resistance. The composite cheese liver flavor attractant meets national edible standards, and the composite cheese liver flavor attractant is safe and reliable when being used as an attractant.

The invention discloses a synthesis method of 5-bromo-2-furaldehyde, which comprises the following steps: preparation of brominating agent: reacting N-methylimidazole and bromo-n-butane to generate bromo-1-butyl-3-methylimidazole, and reacting with bromine to obtain the brominating agent ionic liquid tribromo-1-butyl-3-methylimidazole; and bromination: adding furaldehyde into the prepared brominating agent to carry out bromination reaction, thereby generating the target product 5-bromo-2-furaldehyde. The invention avoids directly using the bromine, thereby enhancing the reaction cleanness of the industrial preparation and reducing the environmental pollution. The method disclosed by the invention enhances the product yield and purity. The yield is enhanced by nearly 9% as compared with the existing industrial traditional method; and in the method disclosed by the invention, the total yield is up to 87.6%, the product purity exceeds 96%, and other indexes are also enhanced correspondingly.