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- It must be controled the concentration of gas in colliery, for averting accidents. 为了避免事故的发生,必须控制矿井中的瓦斯浓度;
- When the concentration of organphosphorus was 0.091 mg/kg measured with the method of gas chromatography analysis, the expanded uncertainty was 0.0033mg/kg. 气相色谱检测甲基对硫磷浓度0.;091 mg/kg,扩展不确定度为0
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞,整整一油箱的汽油都漏光了。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- In the system, a tunable dioxide laser is used as a sensor source, and the method of wavelength modulated is adopted, then concentration of gas is determined through detecting the generated second harmonic by opto-electronics converter. 用可调谐二极管激光作为传感光源,采用波长调制方法,通过对谐波信号进行光电探测可得气体浓度。
- There is a concentration of people in big cities. 大城市人口集中。
- There are several kinds of gas in the air. 空气中有几种气体。
- A liter of gas has less mass than a liter of water. 一公升气体的质量少于一公升水的质量。
- Any large release of NF3 would dissipate before significant concentrations of gas could build up in water. 在有意义的气体浓度在水中能够积累起来之前,任何大量释放的NF3都已经弥散了。
- In this paper, C language is made use of to calculate the concentration of the composite gases component according to opto acoustic effect and opto acoustic spectrum of gases. 文章根据气体的光声效应 ,利用气体的光声光谱对混合气体各组份的浓度用C语言编程进行计算
- Hearing the hiss of gas, he rushed in and turned it off. 听到煤气的嘶嘶声,他冲进来把它关掉。
- Minimum explosion concentration of gas 甲烷爆炸下限浓度
- When wine is fermented, it gives off bubbles of gas. 酒发酵时发出气泡。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- A whiff of gas will quickly put you off. 你吸一口麻醉气体马上就会进入麻醉状态。
- What is the concentration of salt in sea water? 海水中盐的含量是多少?
- On our way to Shanghai yesterday we ran out of gas. 我们昨天去上海途中,车没油了。
- He ran out of gas a mile from home. 他在离家还有一英里的地方把汽油用完了。
- S is the concentration of unpaired nucleotides. S是不配对的核苷酸的浓度。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。