大家在查： •哈拉斯 2005年94 小丹 InstituteofSupplyManagement 斯图尔特•斯 Olate Ethacridi 1998年22% 跃式 EBER-1

trace quantities

trace quantities

trace quantities

trace quantities

1

And most importantly , it has the capability to look for trace quantities of organic molecules .

而最重要的是，它有能力寻找微量有机分子。

2

Females produce trace quantities of androgens , mostly in the adrenal glands , as well as in the ovaries .

雌性动物血浆中亦含微量的雄激素，可能由卵巢及肾上腺分泌。

3

A synthetic element produced in trace quantities by helium isotope bombardment of curium .

一种合成元素，由氦同位素轰击锔可得到微量的这种元素。

4

Trace quantities are used in perfumes to provide a peach-apricot aroma .

微量用于香水，以提供一个桃子，杏子的香味。

5

Trace quantities of impurities can impart a musty or pungent odor to the gas .

痕量的杂质会使气体带有一种霉味或刺激性气味。

6

from a secondary treatment plant , the process achieved 94 . 5% cadmium removal FOR the trace quantities present.

用这种方法处理二级处理厂排出的综合下水，可除去水中含镉量的 94 .

9

Research and evaluation of test methods of trace quantities of sulfur in light liquid petroleum products

轻质石油产品硫含量测试方法研究与评价

10

Test Method for Trace Quantities of Carbonyl Compounds with 2, 4-Dinitrophenylhydrazine

用 2,4-二硝基苯肼测定羟基化合物痕量的试验方法

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