什么是阿司匹林中的有效成分？
这是由有效成分和增加血液流量。
This is caused by the active ingredients and the increase blood flow.
因此，石油是清洁和有效成分是油留用。
Thus, the oil is cleaned and the effective constituent of oil is retained.
甘草次酸是中药甘草的主要有效成分之一。
Glycyrrhetinic acid is a major active ingredient in licorice, a famous traditional Chinese medicine.
生产厂家不一样，但是有效成分是一样的…
是一种真正的含有许多有效成分的复杂产品。
It's truly a complex product with many contributing components.
本品的有效成分是提取自植物的表面活性剂。
We use plant based surfactants for just as effective results.
从中药寻找抗肿瘤有效成分具有广阔的前景。
It has broad prospect from traditional Chinese medicine to find active ingredients for antitumor.
目的：考察硫熏干燥法对百合有效成分的影响。
Objective: To determine the effect of sulphur fumigation on the effective components of lily.
剩下的一半志愿者则每天服用一颗“假的”没有有效成分的安慰剂。
The rest received a "dummy" placebo pill with no active ingredients.
探讨并建立了植物有效成分提取液膜分离过程传质模型。
The mass transfer model of membrane separation is discussed and then set up.
如果药物有效成分能被吸收并持续存在，这个药物可能值得进一步研究。
If they do get absorbed and then persist, the drug is probably worth developing further.
但是，很多有效成分会在烹调过程中发生化学变化而降低，甚至是丧失其功效。
However, a lot of valid composition will lose their effect in cook process.
其绞股蓝总皂甙的含量经过测定最高达4.7%，一般都在2.2%以上，有效成分含量比较高。
The content of its total Cypenosides is generally 2.2% and even up to 4.7 % in highest.
其绞股蓝总皂甙的含量经过测定最高达4.7%，一般都在2.2%以上，有效成分含量比较高。
The content of its total Cypenosides is generally 2.2% and even up to 4.7 % in highest.
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