Aim To study the alkaline - degradation products of ginsenosides from leaves and stems of Panax quinquefolium L.

目的研究西洋参茎叶总皂苷碱降解成分.

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Organic pesticides or their degradation products, become bound to organic matter or fractions of the soil.

有机农药或其代谢产物在进入土壤中后, 可以与土壤有机质或矿质形成结合残留物.

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Photocatalytic degradation products of acetaldehyde included acetic acid, carbon dioxide and H 2 O vapor.

气态乙醛光催化降解产物包括乙酸 、 CO2和H2O等.

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LOQ should be determined when the quantitative determination for impurities and degradation products are developed.

杂质和降解产物用定量测定方法研究时,应确定定量限.

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