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It uses a minimum supply of water and produces oxygen instead of toxic gases, which are the by-product of pesticides.

系统采用最低水量,可产生氧气,因而不存在杀虫剂释放有毒气体的问题。

If you think about AB 32, to roll back our greenhouse gases to the 1990 level, or if it is the Million Solar Roof Initiative, the Low-Carbon Fuel Standard, the Renewable Energy Standard, the Green Building Initiative, the Hydrogen Highway, and the list goes on and on of the kind of things that we have done.

这里我们会想到AB32政策会把二氧化碳的排放降低到1990年的水平;或者"百万太阳能屋顶"鼓励政策,"低炭燃料"标准,可持续能源标准,"绿色建筑"倡议,"氢燃料高速公路"等等等等。

The effect of each HMEon temperature, convective heat loss, evaporative heat loss,total heat loss, relative humidity, and absolute humidity ofinspiratory gases was determined.

每种汽热交换仪可测量吸入气的温度、对流热丧失、挥发热丧失、总热丧失、相对湿度、绝对湿度。

The treatment of organic waste gases with BDO absorbent was studied in this paper for the first time.

本文首次提出以BDO作为新型吸收剂治理有机废气,并进行了深入研究。

The conclusion that dissolved gases in gas composition and content of transformer could embody the inside of the transformer"s situation about "the insulation fault effectively is concluded.In the research of power equipment fault diagnosis based dissolved gases in transformer oil, the fault type increase clearly with the fault development. Traditional way is inability to faults diagnose of electrical equipment such as transformer that the fault reason, phenomenon and principle are indeterminacy etc.

在以油中溶解气体分析电气设备故障的模式识别研究中,当故障进一步发展,待判别的类型将显著增加,由于传统的诊断方法缺乏对样本数据的科学分析,不能够真实体现特征量数据的规律,将不可避免的面临准确率下降的问题,且不可能提供类间相互关系或演变过程的信息,因此用新的诊断方法来解决此类问题十分必要;本文在对目前变压器内部绝缘故障常用诊断方法总结分析的基础上,利用模糊数学的思想,提出以油中溶解气体为特征量,采用模糊聚类的方法对变压器内部绝缘故障进行诊断。

The dry atmosphere consists almost entirely of nitrogen (78.1% volume mixing ratio) and oxygen (20.9% volume mixing ratio), together with a number of trace gases, such as argon (0.93% volume mixing ratio), helium, and radiatively active greenhouse gases such as carbon dioxide (0.035% volume mixing ratio), and ozone.

干大气几乎完全由氮(78.1%的体积混合比)和氧(20.9%的体积混合比)构成,还包括一些微量气体,如氩(0.93%的体积混合比)、氦,以及对辐射起作用的温室气体如二氧化碳(0.035%的体积混合比)和臭氧。

The ideal quantum gases obey Bose-Einstein or Fermi-Dirac statistics and the flux can be derived from the known distribution function. In this sense, we develop the kinetic schemes that suitable for ideal quantum gas and investigate the influence of the quantum effect. In this thesis we discuss shock tube problems and shock diffraction by wedges and shock diffraction by cylinders for the ideal quantum gases.

理想量子气体之速度分布依循Bose-Einstein或Fermi-Dirac分布,在已知气体分布函数的情况下,对分布函数取矩可得宏观量及其通量,本文即利用此概念发展适用於理想量子气体之气体运动算则,并探讨量子效应造成之影响,本文探讨理想量子气体之震波管、楔形体和圆柱震波绕射问题。

In section one, by using FICE scheme and TIME-GCM, a model of trace gases and OH airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and OH airglow are analyzed. The result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. In this process, gravity wave undergoes growth, overturning, convection and breaking. And the no-isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small-scale waves.

在第一部分的工作中,利用全隐欧拉格式和全球热层-电离层-中间层-电动力学环流耦合模式,对重力波的非线性传播及其在传播过程中对中高层大气中氧族和氢族成分和与之密切相关的OH气辉辐射的影响进行了数值模拟,结果表明,从对流层向上传播的重力波经历了产生、发展、饱和、对流产生直至破碎的非线性演化,大气的非等温结构加速了重力波在中层顶区的破碎,重力波的非线性传播是小尺度对流和湍流产生的一个重要的源。

In section one, by using FICE scheme and TIME-GCM, a model of trace gases and OH airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and OH airglow are analyzed. The result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. In this process, gravity wave undergoes growth, overturning, convection and breaking. And the no-isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small-scale waves. The propagation of gravity wave will affect the distribution of minor species.

在第一部分的工作中,利用全隐欧拉格式和全球热层-电离层-中间层-电动力学环流耦合模式,对重力波的非线性传播及其在传播过程中对中高层大气中氧族和氢族成分和与之密切相关的OH气辉辐射的影响进行了数值模拟,结果表明,从对流层向上传播的重力波经历了产生、发展、饱和、对流产生直至破碎的非线性演化,大气的非等温结构加速了重力波在中层顶区的破碎,重力波的非线性传播是小尺度对流和湍流产生的一个重要的源。

Gravity wave and ozone are two interesting topics in the middle and upper atmosphere. In this dissertation, they are studied by numerical simulation and instrument development respectively.In section one, by using FICE scheme and TIME-GCM, a model of trace gases and OH airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and OH airglow are analyzed. The result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. In this process, gravity wave undergoes growth, overturning, convection and breaking. And the no-isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small-scale waves.

中文题名气辉的非线性重力波研究及臭氧总量探测仪的研制副题名外文题名 The study of airglow by nonlinear gravity wave and the development of the total ozone spectrometer 论文作者王咏梅导师刘振兴王英鉴学科专业空间物理学研究领域\研究方向学位级别博士学位授予单位中国科学院空间科学与应用研究中心学位授予日期2003 论文页码总数88页关键词臭氧气辉重力波馆藏号BSLW /2003 /P421 /7 重力波和臭氧是中高层大气中研究的两大热门课题,本文分别从理论模式和仪器研制两方面对它们进行了研究。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。