銻砂 的英文怎麼說
中文拼音 [tīshā]-
The course of adsorbing fe, mn and sbcould be explained by langergren kinetics, and belonged to the category of ion exchange
黑化砂吸附鐵、錳、銻的過程可以用langergren動力學解釋，且屬于離子交換的范疇，吸附符合freundlich等溫吸附。In the study of adsorbing mn, fe and sb, it was observed that the capability of adsorbing fe and mn of darkened sand was much bigger than that of new quartz sand
在對黑化砂吸附鐵、錳、銻的研究中，發現黑化砂對鐵、錳的吸附容量都遠遠大於新石英砂。The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc
中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率： （ 1 ）將煤炭，鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ； （ 2 ）取消稀土金屬、稀土氧化物、稀土鹽類，金屬硅，鉬礦砂及其精礦，輕重燒鎂，氟石、滑石、碳化硅，木粒、木粉、木片的出口退稅政策。
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