main constituent

基本解釋

In the fourth part of this paper, the antitumor biochemical modulation of epigallocatechin-3-gallate (EGCG), which is a main constituent in green tea extract, is reported.
本論文第四部分探討綠茶提取物中主要成分表沒食子兒茶素沒食子酸酯（EGCG）的抗腫瘤生化調(diào)節(jié)作用。
The results showed the main constituent in sea-buckthorn juice were oxalic acid, quinic acid, DL-malic acid, acetic acid.
結(jié)果表明，沙棘原汁中的有機酸主要有草酸、奎尼酸、蘋果酸和抗壞血酸。
The author introduced the nutrition and health function, source, main nutriture and effect constituent of several Korean traditional fermented food stressed on the pungent cabbage.
以朝鮮族辣白菜為重點，介紹了幾種朝鮮族傳統(tǒng)發(fā)酵食品的營養(yǎng)保健功能及其來源、主要營養(yǎng)成分和功效成分。

They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.

Dr Biermann and Dr Kusenko think that one in particular of these hypothetical particles—known as a sterile neutrino—will turn out to be the main constituent of dark matter.
ECONOMIST: Research from the beginning of time
Their main gripe is that the constituent assembly that has been acting as Venezuela's supreme power since its election last July has packed the electoral tribunal with government supporters.
ECONOMIST: Venezuela: Unchecked, unbalanced The

主成分
We used the L_9 (3~4) perpendicular sheet to determine the best water abstraction schema, and the single factor confrontation method to inspect the alcohol amount, precipitation time, relative density of extracta sicca and establish the best technology of alcohol precipitation and pressure-relief vacuum concentration methods by tracking detection of main constituent content.
通過對濃縮液中主成分含量跟蹤檢測，確定采用減壓真空濃縮法濃縮藥液。
化學(xué)
知組分