The present day interstellar dust is weighed by measuring the intensity and color of emission at longer infrared wavelengths.
至今星际尘埃是通过测量长于红外线的波长的强度和发光颜色来权衡。
Most advanced statistics, chemical or physical methods may be incapable of measuring the enormous carbon emission.
最先进的统计学、化学、物理学方法未必对每天大量排放的碳的计量行之有效。
On the basis of measuring and testing on vehicle driving pattern and emission factor, pollution load from motor vehicle in Shanghai proper has been calculated.
根据机动车行驶工况和污染物排放系数测定，定量计算了近年来上海市机动车在实际行驶工况下的污染物排放量。
The basic theory in designing and implementing the ultrasonic distance measuring system, is to record the time between the emission wave and the reflected wave by the object.
以测量超声波发射与反射时间差作为测距的基本原理，设计并实现可自动测距系统。
Magnetism measuring, Barkhausen noise and magnetic acoustic emission were often used for electromagnetic testing.
电磁检测方法主要有材料磁性量测、巴克好森噪声和磁声发射。
By measuring current voltage characteristics and observing light emission of these diodes, electron emission feature of these diamond powder cold cathodes were investigated.
通过该结构电流电压特性的测量和发光特性的观察研究了金刚石粉末冷阴极的电子场发射性能。
The measuring results of Santana's emission tested by model emission test method have been introduced in this paper.
本文介绍了“桑塔纳”轿车用工况法测量排气污染物排放的结果。
The experiment of measuring metal electron work function usually neglects the loss caused by the electron emission of tungsten filament, so the system error will be-1.86%.
在金属电子逸出功测定实验中，未考虑由钨丝电子发射引起的损耗，存在约-1.86%的系统误差。
In this paper a parallel-plate avalanche counter for measuring Mossbauer emission-spectrum is described, the properties and the characteristics of the detector are discussed in detail.
本文介绍了用于测量穆斯堡尔发射谱的一种探测器——雪崩计数器，详细讨论了它的性能和特点。
Based on measuring, the emission of CO and CmHn reduces by over 30 and 60 percent, respectively.
经实测，本装置可以使汽车尾气中的一氧化碳浓度降低30 %以上，碳氢化合物浓度降低6 0 %以上。
A mathematical model for the formaldehyde emission from wood based boards in room is proposed. The physical meanings and measuring methods of the parameters of the model are also discussed.
建立人造板中甲醛在室内散发的数学模型，给出模型中各参数的物理意义和测量方法。
The results show that the FTIR-emission-spectroscopy has a very good prospect for application in measuring aircraft engine exhausts.
结果表明，FTIR发射光谱技术在飞行中的飞机发动机排放测试中具有巨大的应用前景。
The results show that the FTIR-emission-spectroscopy has a very good prospect for application in measuring aircraft engine exhausts.
结果表明，FTIR发射光谱技术在飞行中的飞机发动机排放测试中具有巨大的应用前景。
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