2296 results about "Solid medium" patented technology

The present invention relates to the development of tracer fluids, more generally, that of aqueous liquids, intended to be injected under pressure in an oil reservoir, for example from an injection well up to a production well.

The object of the invention is to propose a new method of study of a solid medium, i.e. an oil reservoir, by diffusion of a liquid (i.e. injection waters) containing tracers, through said solid medium, which is simple to implement and economical and which remedies the drawbacks of the known tracers for injection waters of oil reservoirs.

This method essentially consisting of injecting, in this solid medium, an injection liquid comprising a nanoparticle-based tracer having average dimensions comprised between 20 and 200 nm, detectable by means of one or several S signals at dilutions of less than or equal to 10⁻⁷, adapted to form a stable colloidal suspension in a saline medium, at least a portion of which is constituted of a core and a coating provided with an adjustable hydrophilic-lipophilic balance (HLB) and comprising at least one organic and/or organosilicon component; recovering the liquid having diffused; and analyzing this liquid having diffused to measure the quantity of tracer by detection of the signal or signals S.

A method and apparatus for the quantitative determination of an analyte in a liquid employs a liquid-permeable solid medium defining a liquid flow path. The medium includes a number of reactant-containing reaction zones spaced apart along the flow path and in which reaction occurs with the analyte or an analyte derivative (e.g., a labeled analyte) to result in the formation of a predetermined product. Detector means are employed to detect analyte, analyte derivative, reactant or predetermined product in the reaction zones, the number of such zones in which such detection occurs indicating the amount of analyte in the liquid.

An acoustic monitoring device has at least two acoustic sensors with a triggering mechanism and a multiplexing circuit. After the occurrence of a triggering event at a sensor, the multiplexing circuit allows a recording component to record acoustic emissions at adjacent sensors. The acoustic monitoring device is attached to a solid medium to detect the occurrence of damage.

A method for cultivating Antrodia Camphorata is provided. First, Antrodia Camphorata is pre-incubated on a sloped surface culture medium. A portion of the pre-incubated Antrodia Camphorata is transferred to a liquid culture medium for incubation. Then, Antrodia Camphorata incubated in the liquid culture medium is moved to a solid culture medium for incubation. The cultivated Antrodia Camphorata has similar efficacies for inhibiting cancel cell growth, reducing the occurrence of atherosclerosis or recovering the damaged liver functions, as the wild Antrodia Camphorata.

A solid state fermentation (SSF) method is provided which is effective for both small- and large-scale fungal cultivation. Also provided is SSF media for fungal cultivation. The media preferably contains a carbon source and nitrogen source to provide a carbon to nitrogen ratio of about 5:1 to about 25:1 by weight. The media may also contain a vitamin and an inorganic substance. A preferred SSF medium contains malt extract, yeast extract, peptone, glucose, water, solid base, and calcium carbonate or gypsum. Before propagating fungal mycelia in the SSF medium, the mycelia may be pre-cultivated in a solid culture medium and then in a liquid medium. Although the SSF method can be used in growing most fungi, preferred fungi include Cordyceps sinensis, Ganoderma lucidum, Antrodia camphorata, Trametes versicolor, and Agaricus blazei. The SSF method not only produces high yield of fungi, but also stimulates the production of fungal metabolites, particularly the kinds with pharmaceutical and medicinal activities. Cordyceps sinensis is preferably grown to produce the active compound H1A which is a derivative of ergosterol.

An exemplary embodiment of a reversibly closable bag suitable for the cultivation of cells and/or tissues can be provided. The exemplary bag can comprise at least one reversibly closable aperture in the bag wall, and a surface-increasing convection arrangement inside the bag. The convection arrangement is capable to generate and/or modify a convection in a fluid within said bag when at least one of the fluid, the bag, and the convection arrangement is agitated. For example, the surface increasing convection arrangement can be at least one blade, at least one particulate filler and/or at least one surface-increasing substrate being made of a single mould. A system can also be provided comprising at least two bags, whereas the bags may be interconnected via at least one aperture in their bag wall, and a cultivation process using such a bag or system, in which at least one type of cells, tissue, tissue-like cell cultures, organs, organ-like cell cultures, or multicellular organisms are cultivated in the presence of at least one fluid or solid medium provided for growing and/or cultivating the aforesaid culture.

Sustained hydrogen production is obtained by the culturing of a genetically-modified algae, where the ability of the chloroplasts to intake sulfate is reduced or eliminated compared to wild-type algae. The alga is cultured in a sealed environment in a liquid or solid medium that contains sulfur, and hydrogen is generated continuously. Alternatively, the algae may be cultured in the presence of bacteria that also produce hydrogen gas. The hydrogen produced can be collected and used as a clean energy source.

The invention discloses a method for preparing a cow feed additive containing traditional Chinese medicine active probiotics, comprising the following steps: respectively carrying out amplification culture of the strain number of a single bacterial specie on original strains of active probiotics for cows; mixing primary seed liquors of active probiotics for cows with same weight, inoculating the mixture in a seed tank medium to carry out multiple-strain mixed culture, then inoculating in a traditional Chinese medicine liquid medium to carry out a primary traditional Chinese medicine fermentation; and mixing the multiple-strain mixed traditional Chinese medicine fermentation liquor with isometric cob powder to obtain solid fermentation seeds, and then inoculating in a traditional Chinese medicine solid medium to carry out a secondary traditional Chinese medicine fermentation. According to the invention, the strain activity and colonization performance in the intestinal tracts of activeprobiotics in the cow feed additive are improved greatly, the prepared cow feed additive is rich in traditional Chinese medicine components, the active components with pharmacological effects in the traditional Chinese medicine components fully play the role, thus the performances of strengthening the body, treating diseases and promoting growth of the cow feed additive are improved, and furthermore completely displace antibiotics.

The invention provides a microbiological solid-state seed producing and fermenting device, comprising a fermenting system, an air supply system, a temperature control system, a solid material system, a liquid-state material system and an electric control system, wherein the fermenting system comprises a fermenting tank provided with a stirring device, the top part of the fermenting tank is provided with a material liquid inlet, an exhaust port, a pressure gauge interface and an air inlet sequentially, a feed port is arranged on the upper right side of the front end of the fermenting tank, a discharge port is arranged on the lower left side of the front end of the fermenting tank, and the middle parts of both the feed port and the discharge port are provided with observation windows; the solid material system comprises a feeding device and a conveyer belt; the electric control system mainly comprises a stirring control unit, a temperature control unit, a material liquid control unit, an air supply control unit, a feeding and discharging control unit and a display. The device provided by the invention integrates the functions of steam sterilizing, fermenting, inoculating, drying and crushing of a solid culture medium, the automation degree is high, the microbial contamination rate is low, the production time is greatly shortened, the production efficiency is improved, and the stability of quality of a product is guaranteed.

The invention discloses a method for preparing an efficient probiotic preparation from macrofungi bacterial liquid (mycoplasm). The method comprises the following steps: preparing a liquid or a solid culture medium from agricultural and sideline products and culturing fungi to obtain a bacterial liquid or a mycoplasm; carrying out physical and biological treatment on the bacterial liquid or the mycoplasm to enable polysaccharide polypeptide substances to be released from cells and adding a nitrogen source and a carbon source to prepare a probiotics culture medium; and then inoculating the probiotics and culturing to obtain the efficient probiotic preparation. The fungi comprise medicinal (edible) fungi of lentinu edodes, agrocybe cylindracea, morchella, pholiota nameko, hericium erinaceus, bolete, pleurotus nebrodensis, pleurotus citrinopileatus, lucid ganoderma, coriolus versicolor, cordyceps taishanensis, poria cocos, bamboo fungus, lactarius deliciosus and the like; and the probiotics is one or more selected from bacillus, saccharomycete, lactobacillus, enterococcus, bifidobacterium and the like. The probiotic preparation prepared by the method disclosed by the invention is rich in active substances, such as polysaccharides and polypeptides, has better health and treatment effects that those of a conventional probiotic preparation and can be used as therapeutic drugs and health foods or feed additives of human and animal gastrointestinal diseases.

The invention belongs to the testing field of discharge characteristics of solid insulating materials, relating to a system for automatically measuring charge distribution on the surface of a solid medium. The system comprises a stainless steel sealed chamber body, a high-voltage electrode, a grounding electrode, an electrostatic meter, a vacuum pump and a computer system thereof, wherein the stainless steel sealed chamber body is provided with a one-dimensional worktable and a two-dimensional worktable; a sample under test is fixed on the two-dimensional worktable; a electrostatic capacitanceprobe is arranged on the one-dimensional worktable; the electrostatic capacitance probe and the one-dimensional worktable are arranged in an extended chamber body of the stainless steel sealed chamber body towards the sample under test on the two-dimensional worktable; one end of the sample under test is connected with the high-voltage electrode, while the other end thereof is connected with thegrounding electrode; the one-dimensional worktable and the two-dimensional worktable are connected to an electronic control displacement table control box by a control line; the electrostatic capacitance probe is connected with the electrostatic meter; and the electronic control displacement table control box and the electrostatic meter are accessed to the computer. In the invention, the system for automatically measuring charge distribution on the surface of the solid medium can measure two-dimensional distribution of charge density on the surface of insulating materials.

The invention discloses an immunity chromatography device for checking left drug or toxin, comprising a solid medium containing the drug or toxin antibody with a colloid metal mark, and a fiber membrane connected with one end of the solid medium, wherein the fiber membrane is fixed with the drug and toxin. The invention also discloses a relative preparation method of the drug or toxin antibody with the colloid metal mark, and a method for using the device to check the left drug or toxin, with high sensitivity.

The invention discloses methods and apparatus(es) for the removal and control of pollutants such as gases and suspended particulates in the air of an enclosed space or an outdoor environment by passing the air through absorbent media. The absorbent media includes any liquid, solid or combination of liquid and solid media that is capable of absorbing a material in which it comes in contact. In one aspect of the invention, formaldehyde is removed by air sparging through a liquid such as water, optionally containing additional scavenging agents.

The present invention discloses a compound microbial feed additive. It is a compound microbial feed additive obtain by adding 7 normal microbial pools into solid culture medium and making solid fermentation, drying and pulverizing to obtani powered material. Said 7 liquid micriobial pools are bacillus cereus, peptococcus, lactic acid bacteria, lactobacillus bifidus, yeast, photosynthetic bacteria and actionmycete. In said invented feed additive its viable count is greater than or equal to 180 handred million/gand total number of bacteria is greater than or equal to 240 handred milling/g. Said additive can be aded into animal feed, and can reduce fed-meat ratio and can raise disease resistance of animal.

The invention discloses a farm fertilizer produced by biologic technology, in particular a decomposing agent for rapidly decomposing straws at low cost, the mixture ratio of which is aerobic bacillus subtilis Cohn 20%, Bacillus licheniformis 10%, aspergillus flavus 20%, chaetomiaceae 20%, absidia corymbifera 20%, and saccharomycetes 10%. The production procedures are: extracting different beneficial decomposed bacteria from organics from different environments, purifying, rejuvenating, breeding and culturing; inoculating the cultured bacterial strains into disinfected solid culture medium; fermenting for 4-5 days under 25-50 DEG C, airing dry so that the residual moisture in the bacterial strains is 25%; mixing, agitating evenly and packing the aired solid bacterial strains into solid decomposing agent. As the invention is made by using a unique optimization and combination of aerobic bacterial group and a high and new technology and production process, the invention is a pure biologic product, is free from smell and harm for making organic fertilizer by effectively decomposing wastes in the countryside, and the fermenting speed is high, the cost is low, and the source of raw material is wide. The invention has improved the soil structure and reduces environmental pollution.

The invention relates to a water-quality purifying Bacillus substilis, CCTCC, M202045, and Bacillus substilis preparation. It uses Bacillus substilis to cultivate and ferment in proper C-N ratio in the solid culture medium, and then dries to produce the preparation. The efficiency of the Bacillus substilis to eliminate water body COD is high. The Bacillus substilis can quickly degrade organics, and has a certain denitrifying and residue degrading ability, and stronger sulfide degrading ability. The test result shows that: COD eliminated can reach 76% in 24 hours, and the Bacillus substilis has excellent characters of salt resistance, osmotic pressure resistance, and maintaining the pH value of the breeding water body.

The present invention provides improved solvent systems for the preparation of liquid formulations of urease inhibitors, specifically NBPT, comprising aryl alkyl alcohols. The solvent systems provided good solubility of the urease inhibitor as well as at least one of improved stability, lower flammability, lower toxicity, improved cold temperature storage, improved handling, improved adsorption onto and/or solubility with solid media such as urea. Methods of making and using the compositions are also provided.

A method of precise measurement microscale refractive rate is the method of measurement the refractive of transparent and semi-transparent liquid or solid. The purpose of invention is measuring the refractive rate of transparent and semi-transparent liquid and solid medium. It accords the imaging principle of coaxial spherical optical system and measures the focal spot position of capillary with inhaling the measured liquid and gets the measured liquid's refractive rate by calculation. Select the properly capillary references according to the refractive measurement range of measured medium and then get the need of measurement precision. Example: measuring the multiple liquid medium with refractive n which is higher than 1.33 and lower than 1.48, and the standard deviation of measurement result is between 0.0002 and 0.001; the demand of sample is only 0.004ml. The sample is seal in the capillary and it is benefit to measure the microscale, toxic, irritating, effumable and inhaling liquid's refractive and also it can be used to measure the density of liquid. The invention's equipment is simple and measurement is convenience and reliable and it can be used in the research and producing department of chemical industry, medical, food, and fossil oil industry.

The invention relates to remediation technology of polycyclic aromatic hydrocarbon (PAHs) contaminated soil, in particular to an immobilized microbial inoculum for remediating the PAHs contaminated soil and a preparation method thereof. The preparation method specifically comprises the following steps of: inoculating a prepared microbial mixed strain liquid into a solid medium, namely a processed microbial inoculum vector; culturing the microbial mixed strain liquid at a constant temperature of between 28 and 30 DEG C in an incubator for 3 to 4 days; and carrying out adsorption immobilization and proliferation to prepare an immobilized mixed microbial preparation. The method specifically adopts crop byproducts as the vector, and has the advantages of high adsorption speed of mixed strains, good proliferation effect, simple operation, no secondary pollution, rich sources of the crop byproducts and low price. The prepared immobilized cell granules are put into the PAHs contaminated soil in a percentage of 2 to 4 percent, which can effectively remove PAHs contaminants in the soil. The degradation rate of the PAHs processed by 70d can reach 74 percent when the concentration of the PAHs in the contaminated soil is 84mg/kg.

The invention discloses a large-scale cultivation method and a quality detection method of cordyceps militaris fruit bodies, comprising the steps of: (1) screening spawn; (2) preparing a rice solid culture medium (40-55 parts of rice and 45-60 parts of nutrient solution in every 100 parts by weight) and killing bacteria; (3) preparing liquid spawn: activating the spawn, inoculating the spawn into a liquid culture medium, conducting static culture for 24 hours and performing suspension culture on a shaking table; (4) culturing fruit bodies: inoculating the liquid spawn on the solid culture medium for dark culture for 6 days at the temperature of 20 DEG C until the surface of the medium is covered by mycelium; placing the well grown mycelium under incandescence with light intensity of 100 to 300 lux, wherein during a primordium growth phase, illumination is performed for 20-24 hours per day at the temperature of 20-24 DEG C; and during a fruit bodies growth phase, illumination is performed for 8-12 hours per day at the temperature of 18-20 DEG C and the fruit bodies are harvested 5 to 8 days after mature. The cordyceps militaris fruit bodies cultured by the method have the advantages of high yield and high content of active ingredients. Batches of cordyceps militaris fruit bodies have fingerprints with a similarity value greater than 0.950, indicating stable and controllable quality.