47results about How to "Prolong digestion time" patented technology

The invention relates to the field of forensic medical inspection, and relates to a forensic medical diatom inspection method. It at least includes the following steps: (1) Microwave digestion: add concentrated nitric acid and hydrogen peroxide solution to the test sample and then carry out microwave digestion; (2) Vacuum suction filtration: carry out vacuum suction filtration on the digestion solution, and then Add ultra-pure water to continue the suction filtration to make the surface of the filter membrane close to neutral, and finally add absolute ethanol to remove the water in the filter membrane by suction filtration; (3) Scanning electron microscope automatically takes pictures and stores the images (5) Qualitative and quantitative analysis of diatoms: using manual identification Check, classify and statistically process the diatoms in the captured field of view images by means of automatic recognition by computer. The invention has high detection sensitivity, can effectively avoid pollution, is simple, efficient, environmentally friendly, and has accurate qualitative and quantitative analysis, greatly improves the working environment of forensic diatom inspection technicians, reduces labor intensity, and has good application in the practice of forensic drowning diagnosis prospect.

The invention discloses an integrated dry-wet anaerobic digestion method. A dry anaerobic zone, a three-phase separation zone and a wet anaerobic zone are respectively arranged inside the digestion tank from bottom to top; the dry anaerobic zone is provided with stirring The agitator realizes the material stirring, and the organic material with a large particle size is degraded into a small-size material in the dry anaerobic zone, and a large amount of biogas bubbles are generated at the same time; the solid-phase material with a large particle size returns to the dry-type anaerobic zone through the three-phase separation zone. anaerobic zone, while the small particle size and liquid phase enter the wet anaerobic zone; the wet anaerobic zone is provided with a biogas aeration pipe, and the upper part of the wet anaerobic zone is provided with an upper discharge pipe, and the upper discharge pipe is used to overflow The way the water is discharged, the biogas produced by anaerobic enters the top air chamber above the wet anaerobic zone, and the top biogas pipe is set on the top of the top air chamber. The integrated dry-wet anaerobic digestion device provided by the present invention has high organic matter degradation rate, high biogas output, low biogas residue output, and good effluent quality, which can realize automatic and continuous biogas production of high-concentration organic solid waste, and is especially suitable for low moisture content and impurities. Anaerobic digestion of organic materials with high content.

The invention discloses a complete formula feed for domesticated snakes. The complete formula feed is prepared from the following raw materials in parts by weight: 40 to 90 parts of fish meat, 5 to 40 parts of chicken meat, 5 to 40 parts of duck meat, 5 to 20 parts of flour, 0.1 to 0.5 part of hawthorn fruit powder, 0.05 to 0.5 part of coptis chinensis powder, 0.01 to 0.5 part of astragalus membranaceus powder, 0.05 to 0.5 part of pericarpium citri reticulatae powder, 0.01 to 0.1 part of compound enzyme, 0.001 to 0.01 part of decavitamin, 0.001 to 0.01 part of microelement, 0.001 to 0.005 part of wild silkworm spore fungus, 1 to 5 parts of wheat plant protein powder, 2 to 10 parts of sodium alginate and 2 to 10 parts of calcium chloride. After the domesticated snakes are fed by the complete formula feed, the domesticated snakes have the characteristics of rapid growth, few disease suffering times, good digestive absorption and low parasite infection rate. Thus, the survival rate and the fecundity of the domesticated snakes are obviously improved.

The invention discloses a method for mixed fermentation of sludge disintegrated by low-strength ultrasonic wave and crop straws pretreated by fermentation broth and application of the method in improving mesophilic two-phase anaerobic digestion. The method comprises the following steps: mixing the sludge and the straw to perform hydrolytic acidification, wherein the sludge is pretreated by the low-strength ultrasonic wave; refluxing the straws with the hydrolytic acidified fermentation broth after the sludge and the straw are mixed; and mixing the straws treated by the fermentation broth with the sludge again, and performing hydrolytic acidification. The method provided by the invention improves mesophilic two-phase anaerobic digestion performance of the sludge, increases the gas yield and stability of the sludge, and shortens the anaerobic digestion time.

The invention discloses an in vitro simulated digestion box, which comprises sequentially connected stomach digestion parts, small intestine digestion parts and large intestine digestion parts; the stomach digestion parts are riveted and connected by an upper assembly and a lower assembly; liquid inlet, stomach digestive juice inlet, sampling port and stomach digestion sample outlet; the small intestine digestion part is connected by riveting of the first component and the second component, and the small intestine digestion part includes a sample inlet, a stomach digestion sample inlet, an intestinal digestion sample Outlet and intestinal digestion sample sampling port, the large intestine digestion part is riveted connection by the third component and the fourth component, and the large intestine digestion part includes an intestinal digestion sample inlet, a cell culture medium inlet, a digestion and absorption sample outlet, and a metabolic digestion sample outlet and polycarbonate film. The in vitro simulated digestion box has a stable structure and good reproducibility; the equipment is simple and the conditions are easy to control.