查询词典 contamination

However, some harmful substance volatilized from fly ash in melting process, which caused second contamination.

然而，飞灰熔融过程中有有害物质挥发，造成二次污染。

Howevee,some harmful substance volatilized from fly ash in melt ing process,which caused second contamination.

熔融固化处理是安全的处理方法，但飞灰熔融过程中有有害物质挥发，造成二次污染。

Natural surface water supplies generally carry little threat of human radiation contamination because radon volatilizes into the atmosphere.

天然的地上水供应一般带有极少的对人类有危险的放射性污染物。

Faecal contamination of vegetables and other plant foods can make a significant contribution to dietary needs, particularly in areas where hygiene standards may be low.

粪便污染的蔬菜和其他植物的食品可以作出重大贡献的饮食需要，特别是在卫生标准可能会低。

Organic compound contamination on soil and groundwater is causing more and more attention in the world.

有机化合物对土壤、地下水的污染已引起世界各国的普遍关注。

A significant source of surface water contamination may be contaminated sediments.

地表水污染的一个重要原因可能是沉积物污染。

The cross-contamination in that case is believed to have been due to the reuse of recovered solvents.

本案例中的交叉污染被认为是由于回收溶剂的重新使用。

Methods: Several results obtained by MB/BacT system were analyzed, including the recovery rate of acid-fast bacilli, the contamination rate and the mean time for positive reporting from clinical specimens.

通过对仪器检出报阳时间、阳性率、污染率及药敏结果的分析，了解仪器的效能及结核分枝杆菌的耐药情况。

Cock valves and ball valves should be in their unopened positions to prevent from the contamination of sealing surfaces by dust.

闸阀、截止阀、节流阀、调节阀、蝶阀等阀门应处于全闭的位置。旋塞阀、球阀应完全处于全开启位置，以防止灰尘沾染密封面。

The results showed that soil copper contamination did not significantly affect the leaf growth of Bermuda grass and its influence on root biomass and leaf chlorophyll content in Bermuda grass were also less than that in zoysiagrass.

结果表明：铜污染处理对狗牙根草坪的地上部分叶片生长量的影响不显著，对根系生长量和叶绿素含量的影响也明显小于结缕草；铜污染处理未引起冷季型草坪的叶绿素含量的下降，对高羊茅草坪的密度影响不显著，对叶片生长量的影响也明显小于草地早熟禾和多年生黑麦草，而草地早熟禾虽然叶片生长受到了严重的抑制，但根系生长未受到显著影响，也表现出了对土壤铜污染的一定的耐性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。