lignites

褐煤

常用释义

褐煤

例句

SOLID MINERAL FUELS. SAMPLING METHODS FOR HARD COAL AND LIGNITES. METHODS TO DETECT THE EXISTENCE OF SYSTEMATIC ERRORS.

固体矿物燃料.硬煤和褐煤取样方法.系统误差的检查方法

Uranium is frequently enriched by sorption or chemical combination in shales , lignites and phosphorites .

铀经常为页岩，泥炭和磷块岩所吸附或化学结合态而富集。

SOLID MINERAL FUELS. SAMPLING METHOD FOR HARD COAL AND LIGNITES. SCIENTIFIC EXPLANATIONS.

固体矿物燃料.硬煤和褐煤取样方法.科学解释

Solid mineral fuels. Methods of sampling hard coals and lignites.

固体矿物燃料.煤和硬褐煤取样方法

Brown coals and lignites; Principles of sampling; Part 2 : Sample preparation for determination of moisture content and for general analysis

褐煤.取样原则.第2部分：供水分测定和一般分析用的样品制备

Brown coals and lignites; Determination of the yields of tar, water, gas and coke residue by low temperature distillation

褐煤.用低温蒸溜法测定焦油、水、煤气和焦渣的产率

Brown coals and lignites; Principles of sampling; Part 1 : Sampling for determination of moisture content and for general analysis

褐煤.取样原则.第1部分：供水分测定和一般分析用的取样

Brown coals and lignites; Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid

褐煤.测定稀盐酸中可溶钠和钾的萃取方法

Brown coals and lignites; Determination of moisture content; Indirect gravimetric method

褐煤.水分的测定.间接重量法

Brown coals and lignites - Determination of true relative density and apparent relative density

褐煤.实际相对密度和表面相对密度的测定