四物合剂，养血调经。用于血虚所致的面色萎黄、头晕眼花、心悸气短及月经不调。
试验证明：碱金属碳酸盐，碱金属氢氧化物和碳酸钠同四氧化三铁的复合剂，都表现出相接近的催化活性。
The test demonstrates that alkali carbonates, alkali hydroxides and a combination of sodium carbonate with ferriferrous oxide all exhibit approximate catalytic activity.
在洗衣粉中掺入螯合剂，例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA)，这些螯合剂易于形成水溶性的金属螯合物。
A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
研究以L酸和络合剂A配制的络合物为催化剂，用于四聚丙烯齐聚制备二十四碳烯。
The results on synthesis of tetracosene (C 24 olefins)by dimerization with a complex composed of Lewis acid (L) and complexing agent A as catalyst are reported.
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