Dust sample in blast pipe was collected when centralized air ventilation system was off, the total content of the bacterium and fungus was examined.
集中空调关闭期间，采集集中空调通风系统送风管内的积尘样品，检测其细菌总数、真菌总数；
They then linked each sample with its likely source region and calculated the rate of dust deposition over time.
之后研究人员通过沙尘样本找寻到其对应来源地，并计算这些沙尘随时间积聚的速率。
The Japanese, like the Americans, have experience with sample-return of this sort, having flown a probe called Hayabusa that retrieved dust from the plume of a comet in 2010.
日本科学家和美国科学家一样，掌握相似的返回样本，曾在2010年利用探测仪隼鸟号从一颗彗星羽中检测到灰尘。
Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.
通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。
Only a single grain of dust found in the sample so far seems to have been sourced from a cold place beyond our Solar System many years before its birth.
迄今为止在样品中仅找到一个尘埃颗粒似乎是来自太阳系诞生之前许多年的寒冷场所。
With a pristine and unbiased sample of interstellar dust they can truly find out if and by how much the elements of our own world differ from others throughout the galaxy.
通过这些原始的无偏见的星际尘埃样品，人们能真正找出究竟我们的太阳系同银河中的其它星球是否有元素差异以及相差多少。
Using TCM as absorbent, and PRA spectrophotome. try to determine SO_2 in air, due to the air sample was polluted by dust, the SO_2 concentration may be declined.
提出了在采用国家标准方法采集空气样，以四氯汞钾溶液吸收—盐酸副玫瑰苯胺分光光度法测定空气中SO_2时，由于空气受尘污染，可能导致测定数据偏低。
Using TCM as absorbent, and PRA spectrophotome. try to determine SO_2 in air, due to the air sample was polluted by dust, the SO_2 concentration may be declined.
提出了在采用国家标准方法采集空气样，以四氯汞钾溶液吸收—盐酸副玫瑰苯胺分光光度法测定空气中SO_2时，由于空气受尘污染，可能导致测定数据偏低。
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