络阴离子团的地球化学性质,控制着红土型金矿床的垂向分带与金的次生富集。
The geochemical nature of the complex anion group controlled the vertical zoning and secondary enrichment of gold in the laterite gold deposits.
香豆素及其衍生物作为生色团广泛应用于荧光探针分子的设计中,然而在水溶液中识别阴离子的香豆素类荧光探针鲜有报道。
Coumarins and its analogues have been widely used as chromophore in design of fluorescent probe, while less coumarin-based fluorescent probe was reported for detection of anion in water.
SB 2是胜利油田开发的稠油乳化降粘剂,为脂肪酸改性的具有多官能团的钠盐型阴离子表面活性剂。
SB-2, being developed for use in Shengli, is composed of a fatty acids modified and polyfunctionalities containing anionic surfactant in Na salt form.
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