于…;
物;Lead and selenium mainly exist in galena, clausthalite, and selenio-galena which occur as cell-filling of coal-forming plants and are of chemical-sedimentary origin.
铅和
主要赋存在方铅矿、铅矿和方铅矿中，这3种矿物以植物胞腔充填形式出现，属于
学沉积成因。
]
词
想词Lead and selenium mainly exist in galena, clausthalite, and selenio-galena which occur as cell-filling of coal-forming plants and are of chemical-sedimentary origin.
铅和主要赋存在方铅矿、铅矿和方铅矿中，这3种矿物以植物胞腔充填形式出现，属于学沉积成因。
The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.
研究了以为催剂,有机胺为助催剂,对氯硝基苯和二甲胺为
应底物,经高选择性氧还原羰基一步合成灭草隆除草剂。
The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.
分析结果表明,除元素外,随着钼元素和锆元素的加入,褐煤有机质气态产物的生成量显著提高。
The high quantily of proteinfat and the concentration of IronZinc and Selenium ions in the medium is more advantageous to bioconcentration of edible fungi.
提高培养基中蛋白质、脂肪和
、
、的浓度，有利于食用菌对、、的富集。
Objective: To observe the effect of selenium on the TSH positive cells in the pituitary pars distalis of rat with colon mucosa cancer induced by azoxymethane (AOM).
观察对氧偶氮甲烷(AOM)所致大鼠结肠癌形成过程中，垂体远侧部促甲状腺激素(TSH)阳性细胞的影响。
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