Beams of electrons can help clean water and air by breaking down pollutants into different molecular compounds.
电子束可以把污染物分解成不同的分子化合物，从而帮助清洁水质和空气。
Biogenic amine is a kind of low molecular compounds belonging to nitric fatty group or heterocycle group.
生物胺是一类含氮的脂肪族或杂环类低分子化合物。
Historically it has been customary to treat coordination compounds as a special class separate from molecular compounds.
历史上习惯于把配位化合物作为特殊的一类与分子化合物不同的化合物分别对待。
It improved the soil granular structure in a short time, since high molecular compounds naturally degraded into organic matters.
同时，高分子经过自然降解转化为有机物质，可在较短时间内改善土壤结构。
It improved the soil granular structure in a short time, since high molecular compounds naturally degraded into organic matters.
同时，高分子经过自然降解转化为有机物质，可在较短时间内改善土壤结构。
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