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- An on-line analysis and measurement system of percentage of water and gas cont ents in petroleum by using radiation isotope is described. 介绍了利用射线辐射衰减方法实现的原油含水率、含气率在线分析与计量系统。
- The relationship of stability with the percentage of water added in oil (PWA), the percentage of emulphor added in oil (PEA) and the agitating degree is researched. 乳化剂量的增加和搅拌程度的增大均有利于稳定性提高。
- Per capital water resources, ratio of water resources utilization, ratio of waste water to runoff percentage of polluted reaches andEngel have profound effect on WES. 得出对北京市水环境安全影响比较大的指标主要有人均水资源量、水资源利用率、污泾比、污染河段百分比、恩格尔系数等;
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着?
- We have only a small percentage of foreign books. 我们只有一少部分外文书。
- What percentage of children were absent? 缺席的学童占百分之几?
- Relative humidity: The amount of water vapour present in the atmosphere at a given temperature expressed as a percentage of saturation at that temperature. Standard testing conditions for paper are 23 degress C and 50% r.h. 相对湿度:在某一温度下,空气中实有的水汽和同温度的空气在饱和时应有的水汽的比较,用百分率表示。测试纸张的标准环境是摄氏23度,相对温度50%25。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Each of them got a percentage of the profits. 他们每个人都得到一部分利润。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- Whisky contains a large percentage of alcohol. 威士忌所含酒精的百分比很高。
- The pipe burst and a spout of water shoot out. 水管破裂了,一股水喷了出来。
- The percentage of water content in brain gray matter had no significant difference between the Mannitol-treated group and lactate dehydrogenase antibody-treated group ?P > 0.05?? but that in white matter had significant difference ?P < 0.05?. 脑水肿甘露醇组与脑水肿乳酸脱氢酶抗体组相比脑灰质水分百分比差异无显著性意义(P>0.;05);白质水分含量差异有显著性意义(P<0
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- The flower languished from lack of water. 花因缺水而枯萎。
- What percentage of his income is taxable? 他的收入有多少需纳所得税?
- The man poised a bucket of water on the head. 那个男人头上平稳地顶着一桶水。
- Computer controls to open or close each valves to container according to procedure and registers begin time and end time when liquid level reaches controlled level. Then, computer calculates percentage of water and average output of oil from a well . 计算机按程序控制打开和关闭通向量油容器的阀门 ,自动控制进液和排液 ,记录容器内液体到达控制液位的时间 ,并计算出含水率和油井每天的平均产量和累计产量 ;
- In order to confirm the conclusion, the effects of some factors, such as the molar ratio of water to the surfactant, the percentage of glycerol in the dispersed phase, on the transport were also studied and the same conclusion was obtained. 为进一步证实上述结论,还对影响金属离子在微乳凝腋中传质的各种因素(如微乳液中水与表面活性剂的摩尔比值、分散相中甘油与水的配比等)进行了研究,结果也证实了上述结论。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。