نمایش نتیجه 1 تا 8 از 8 نتیجه یافت شده برای brown coal:
n: See lignite.
n: Produced by the reaction between sodium chromate and brown coal. Used as durothermic mud thinner.
n: The mineral leonardite, similar to brown coal. Lignite is found in surface deposits worldwide. Lignite is mined and put into piles where it can oxidize in the air before it is dried, ground and bagged for use in drilling fluids. The humic acid content of
very young coal. Moderate to low energy yield.
لینییت
n: The mineral leonardite, similar to brown coal. Lignite is found in surface deposits worldwide. Lignite is mined and put into piles where it can oxidize in the air before it is dried, ground and bagged for use in drilling fluids. The humic acid content of
n: a kinds of special natural brown coal.
n: the product that brown coal in saline water nitrified by nitric acid.
n: the drug that make the brown coal nitrified. It rmainly refer to nitric acid.
n: A kind of product that made by using fuming sulfuric acid sulphonating brown coal.
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