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minute amounts

minute amounts

minute amounts

minute amounts

1

Such brief exposure to minute amounts of mercury is unlikely to be a sufficient carcinogenic stimulus to trigger childhood leukaemia .

这样短时间的暴露，这样小的汞剂量不可能成为儿童白血病的致癌刺激物。

2

Since as early as 200 BC , people began to use disabled or minute amounts of infectious agents to immunize themselves against infections .

早在公元 200年，人们就开始使用失活的或者微量的含传染物的药剂来使自己对传染病免疫。

3

HIV is only present in saliva in very minute amounts , insufficient to cause infection with HIV .

唾液中只有微量的 HIV 病毒，不足以造成感染。

4

It occurs in minute amounts in the atmosphere and is obtained by fractional distillation of liquefied air .

大气中含量极少，从液态空气的蒸馏中可以得到。

5

Squalene is safe for human consumption and occurs ubiquitously in human tissues in minute amounts .

鲨烯的效用安全，适合人类服用，而且以微量形式普遍存在于人体组织。

6

Minute amounts of biological material are sufficient for DNA typing .

微量的生物材料有足够的 DNA 分型。

7

instruments that can detect minute amounts of radiation

能检测极微量辐射的仪器 *

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