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nature : cultivating microorganisms used in the basic materials. Using microbes nutritional requirements for the preparation of material derived. Specific components of microorganisms under different needs. General contain carbohydrate, nitrogen material (such as ammonium sulfate, ammonium chloride), mineral salts (including trace elements) and the solvent (water). According to the different materials used can be divided into two categories : natural medium, with beef extract, yeast extract, pancreas peptone, potato assorted night; Synthesis medium, or a combination of medium, and using chemicals dubbed labeled components. According can join or not to join coagulant (such as agar, etc.) into solid medium, semi-solid or liquid culture medium. Microbial culture medium used, separation, identification, preservation, the brewing, fermentation Species cultivation and so on.
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