Methods: The main active component icariin of Herba Epimedii was determined by TLC scanning.
方法：采用薄层扫描法对淫羊藿中主要有效成分淫羊藿甙进行含量测定。
Of special interest is the synthesis and modification of the zeolite y, which is the main active component of the above FCC catalysts.
作为以上裂化催化剂活性组分的Y型分子筛的制备与改性更引起人们关注。
Since the main active component is copper, removal of the polymers by traditional burning method might cause complete loss of the activity.
对催化剂的活性表面高聚物的有效去除是催化剂再生的关键。该类催化剂主要活性成分为铜，常规燃烧方法会使催化剂活性损失殆尽。
As the main active component of pueraria, puerarin is paid more and more attention increasingly for its good therapeutic effect to cardiovascular diseases.
作为葛根的主要活性成分，葛根素以其对心血管疾病的良好治疗作用，受到国内外广泛关注。
As the main active component of pueraria, in which puerarin is paid more and more attention increasingly for its good therapeutic effects to cardiovascular diseases.
作为葛根的主要活性成分，葛根素以其对心血管疾病的良好作用，日益受到关注。
As a kind of important active substance, fagaramide is the main component that tastes numb.
花椒酰胺是花椒中重要的活性成分，是花椒呈麻味的主要成分，暂称花椒麻味素。
Hydroxylammonium nitrate (HAN) is the main active toxic component of the new HAN based liquid propellant.
硝酸羟胺(HAN)是新型硝酸羟胺基液体推进剂的主要毒理活性成分。
They can also constitute two-component adhesives with aqueous polymers containing active hydrogen, and are dispersed in aqueous main agent before use.
或者与含活泼氢的水性聚合物组成双组分胶黏剂，使用前分散于水性主剂中。
They can also constitute two-component adhesives with aqueous polymers containing active hydrogen, and are dispersed in aqueous main agent before use.
或者与含活泼氢的水性聚合物组成双组分胶黏剂，使用前分散于水性主剂中。
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