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- The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water-cement ratio. 文中对引气剂用量、珍珠岩用量及水灰比对材料吸声性能影响进行了研究与分析。
- Using protection cast process in the whole course to debase the content of gas and inclusion. 采用全程保护浇注工艺降低气体和夹杂物含量 ;
- With similar geology factors of controlling gas, the content of coalbed methane is controlled by effective stage of gas generation and the rate of gas generation in this stage. 在其它控气地质因素相似的前提下,有效生气阶段和有效阶段生气率控制着煤层含气量的高低。
- 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。
- With similar geology factors of controlling gas,the content of coalbed methane is controlled by effective stage of gas genetation and the rate of gas generation in this stage. 在其它控气地质因素相似的前提下,有效生气阶段和有效阶段生气率控制着煤层含气量的高低。
- When wine is fermented it gives off bubbles of gas. 酒发酵时会放出气泡。
- 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。
- Addition of H2O2 is favorable to reduce the content of asphaltene and sulphur in aquathermolysis, and addition of NaNO2 and NH4Cl/ NH4NO3 could generate a mass of gas that is very helpful. 添加H2O2对降低稠油沥青质和硫含量有明显作用,而NaNO2与NH4Cl或NH4NO3热化学提温技术会产生大量气体。
- In order to determine the mechanism of the coal and gas outburst in the syncline, it should be analyzed from stress, the property of coal structure to the press and content of gas in the syncline. 摘要为了确定向斜构造煤与瓦斯突出机理,从应力、煤体结构特征和瓦斯压力及含量等方面对向斜构造进行了分析。
- Influence of gas pressure on the content of non-diamond phase carbon in diamond films, grown in CH4/H2 gas mixture by microwave plasma chemical vapor deposition (MWPCVD),was studied. 在水冷反应室式MWPCVD装置中以CH4和H2为反应气体进行了金刚石膜的沉积实验,研究了反应气体的压强对金刚石膜中非金刚石碳相含量的影响。
- 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。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- When wine is fermented, it gives off bubbles of gas. 酒发酵时发出气泡。
- The entire content of a book will be located on a single silicon chip. 整本书的内容只用一片硅芯片就可以装下。
- The thieves got away with the contents of the safe. 那些窃贼偷走了保险箱内的东西。
- The paper introduces particularly the relation between the character of gases dissolved in transformer oil, content of gases, and the type of faults, the degree of the faults. 详细介绍了在变压器内部故障或异常情况下,油中溶解气体的特征及含量、故障严重程度、故障类型同特征气体含量的关系。
- 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。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。