1．1中药提取过程机理及动力学研究 巾药的有效成分（Active Constituents）是指采用不同的物理或化学手段，从巾药材巾 提取出的具有生物活性和药理作用的成分，一般在临床上有着重要的应用价值pj。
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active constituent copper 活性组分铜
weighted active constituent 加权活性组分
active constituent analysis 有效成分分析
anticancer active constituent 抗癌活性成分
active constituent determination 有效成分测定
active constituent in plant 植物有效成分
Approach influence of active constituent in blood pressure and heart rate by dosage ca.
采用大鼠颈总动脉插管和尾静脉注射给药技术,以给药前后血压和心率对照,探讨有效成份的降压活性和对心率的影响。
参考来源 - 薯莨降压有效成分的提取分离及其对血压和心脏的影响Compared with controled shed,it is more beneficial to accumulate active constituent in two treatments,the order of total content of amino acid,indispensable amino acid and saponin are Light-Rain transmission shed,light transmission shed and controled shed.
5、与对照相比,双透棚、单透棚更有利于西洋参有效成分的积累,氨基酸总量、必需氨基酸、总皂甙含量高低顺序为双透棚＞单透棚＞对照。
参考来源 - 单、双透棚小气候效应及对西洋参生长影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Caffeine is the active constituent of drinks such as tea and coffee.
咖啡因是茶和咖啡这类饮品的活性成分。
Has discussed in initially the frog egg the ribonuclease active constituent.
初步探讨了蛙卵中核糖核酸酶的活性组分。
Both contain allicin, the active constituent which produces their medicinal benefits.
因为二者均含有产生药用功效的活性成分-蒜素。
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