本文讨论正比管的气体放大。
In this paper the gas gain of proportional tubes are discussed.
使用铜靶X射线管产生的高能量X射线对其气体放大倍数,电荷传输效率,增益稳定性进行测试。
The effective gain and stability properties of the double-GEM gas detector are measured by high intensive X-ray source (Cu-target, 8.9keV).
基于汤逊气体放大电子雪崩模型和一定的物理假设,导出描绘气体探测器中正比模式和有限正比模式的一个统一公式。
Based on Towsend s avalanche mode and some basic physical ideas, a unified formula for gas amplification working under proportional mode and limited proportional mode is deduced.
我们应该减少私家车的使用,因为私家车排放大量的温室气体。
We should minimize the use of private cars, which emit a large amount of greenhouse gases.
它的生长不像玉米那样需要很多肥料,但是他们燃烧甘蔗田时会释放大量的温室气体。
It doesn't require as much fertilizer as corn does to grow, but when they burn the sugar cane fields, that releases loads of greenhouse gases.
它们向空气中释放大量温室气体(尤其是二氧化碳)。这使得地球变暖。
They give off a lot of greenhouse gases (especially CO2) into the air. This warms the earth.
画面被放大后,我看到了一团貌似像灼热气体的物质。
As the camera zoomed in, I could make out what looked like glowing gas.
每天你邻居的SUV都向大气中排放大量的二氧化碳和其他的污染气体,吸收太阳辐射导致大气层升温。
Every day your neighbor's SUV is spewing carbon dioxide and other pollutants into the air, trapping the sun's radiation and heating up the atmosphere.
他曾提出单方面限制本国汽车及火电等排放大户的温室气体排放量。
He has moved unilaterally to limit greenhouse gases from vehicles and large sources such as coal-burning power plants.
加拿大将成为首个正式退出《京都议定书》的国家,并称该条约有严重漏洞,并未覆盖全部的温室气体排放大国。
Canada will become the first country to formally withdraw from Kyoto, which it says is badly flawed because it does not cover all major emitters of greenhouse gasses.
这就产生了一个既会排放大量的温室气体还没有什么效率的现代电力工业。
This gave rise to a modern power industry that not only emits enormous amounts of greenhouse gases but does so with remarkable inefficiency.
加工焦油砂能耗大,因此就得排放大量的温室气体。
Tar sands take lots of energy to process, and therefore entail copious emissions of greenhouse gases.
1999年来,英国的温室气体排放大体并无改变。
Since 1999, British greenhouse-gas emissions have been broadly unchanged.
天然气燃除(向大气层排放大约4亿吨温室气体的石油生产副产品)已经持续数十年了。
Gas flaring - a byproduct of petroleum production that spews about 400 millions of tons of greenhouse gases in the atmosphere - has been going on for decades.
所有的温室气体排放大国必须采取共同行动,否则我们就无法迎接这一挑战。
We cannot meet this challenge unless all the largest emitters of greenhouse gas pollution act together.
激光器是将光放大,产生光束的设备。它是一种距离远、直线性、单色光,它有固体、气体、半导体、液体。
Lasers are devices which amplify and produce beams of light which are very distance, directional, and pure in color. They can be solid state, gas, semiconductor, or liquid.
例如,澳大利亚的维多利亚州立法机构要求气体排放大户接受强制性能源审计,并根据其建议开展为期三年以下的整改。
For example, regulators in the state of Victoria in Australia require all large emitters to have a compulsory energy audit and undertake any recommendations that have a three-year payback or less.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
能够释放大量乙烯气体的水果还有杏、甜瓜和西红柿。而像芦笋、花椰菜、卷心菜和黄瓜这样的蔬菜很易受乙烯气体影响。
Fruits that release a lot of ethylene also include apricots, melons and tomatoes. Vegetables easily affected by ethylene include asparagus, broccoli, cabbage and cucumbers.
还论述了残存气体和材料气化微粒对行波管放大器的危害,消除方法。
The effects of remained gas and minute particles of vaporized material on TWTA, and the way to avoid them are discussed.
随着摄影机把图像放大,我可以辨认出那是一团发光的气体。
As the camera zoomed in, I could make out what looked like glowing gas.
“发射”气体激光(也就是反转能产生光放大的那些状态的粒子数)的最普通方法是运用气体放电。
The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge .
因此,结合分子蒸馏液膜传质和传热过程,研究蒸发区间稀薄气体的运动规律对工艺优化和分子蒸馏器放大生产具有十分重要的意义。
Therefore, combined with mass and heat transfer in liquid film, it is important for optimizing operation condition and enlarging equipment to study rarefied gas flowing in distillatory.
本文用3厘米微波干涉仪,以锁相放大器作检测器,测量了微波通过气体放电管时所引起的相移。
A 3 cm X-band microwave interferometer with a phase-locked amplifier as detector has been used to measure small phase changes as a microwave beam passing through the gas discharge tube.
中美两国作为温室气体排放大国,在北京表达了合作的意愿。
In Beijing, China and the United States, the top greenhouse gas emitters, spoke of willingness to cooperate.
还有人别出心裁地说,是因为恐龙这种巨大的动物因吃的太多且不断放屁,向空中释放大量的甲烷气体。
It was also said to try to be different because of the huge dinosaurs such animals as a result of eating too much and continue to fart, into the air to release a large number of methane gas.
还有人别出心裁地说,是因为恐龙这种巨大的动物因吃的太多且不断放屁,向空中释放大量的甲烷气体。
It was also said to try to be different because of the huge dinosaurs such animals as a result of eating too much and continue to fart, into the air to release a large number of methane gas.
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