查询词典 be trapped

Due to N-N bond weakest, nitrosamines are denitrosated by HBr/HOAc to release nitrogen oxide, which can be oxidized to form NO〓. Trapped in sulphanilamide and N-1naphthylethylene diamine di-HCl solution, the NO〓 transforms into NO〓 and develops color in the solution.

该法根据亚硝基官能团中N-NO键的键能最低，采用氢溴酸/醋酸溶液选择性断裂N-N键，对逸出的NO通过氧化成为NO〓然后用显色剂吸收，再由分光光度计测量吸光度并计算出亚硝胺含量。

Drainpipes should be water-trapped at the entrance to storm or other drains.

排水管应水到暴雨被困在入口处或其它渠道。

We discussed possible origins of the additional scatterings, which might be attributed to the trapped charges, fixed charges, soft phonons, and crystallization in the HfO2 films and HfO2/poly-Si channel interface.

我们讨论了其他发生散射的原因，其中可能是存在於二氧化铪薄膜中和二氧化铪薄膜与多晶矽通道介面间的缺陷电荷、固定电荷、微弱声子、和薄膜结晶化所造成的。

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％。