By tracking this ratio over time, he can determine how long gas has taken to reach the surface and gain clues to the chemical, thermal, and mechanical state of the rocks the gas is passing through.
通过追踪该比率随时间的变化，他可以确定氡气到达地表需要花费多长时间，同时获得气体所通过的岩石的化学、热力学和机械状态。
These massive seabirds use a wingspan topping 8 feet (2.5 meters) to glide gracefully, often for hundreds of miles, using thermal updrafts to gain altitude.
5米优雅地滑翔，经常飞翔数百里，它们利用热上升气流升高。
Kalwall has good thermal insulation properties and allows a high level of daylight penetration, so its northerly aspect meant that there was little or no risk of solar heat gain throughout the year.
Kalwall具有良好的隔热性能，并允许高层次的日光渗透，所以它朝北意味着全年都极少或者没有获得太阳能热的风险。
In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.
实验采用凸平直线非稳腔，将凸面镜和增益介质热透镜效应等效为望远镜系统进行分析。
The output voltage of controller exerts an influence on thermal resistor so as to change gain characteristic in regulation circuit, thus the transmission levels being stabilized.
通过导频控制器的输出电压控制热敏电阻，从而改变调节网络的增益，达到稳定传输电平的目的。
As compared with the traditional gas and liquid Raman media, the Raman crystals offer high gain, high molecule density, good thermal and mechanical properties.
与传统的气体和液体拉曼介质相比，固体拉曼介质具有粒子浓度大、体积小、拉曼增益系数大及热导性能好等优点。
In the winter, the low sun penetrates glass with a very high solar heat gain coefficient, and heats the floor, which in and of itself ACTS as a thermal mass.
冬天太阳高度低，穿透有很高太阳能吸热系数的玻璃加热地板，地板本身也充当热质。
The study of this dissertation illusrtated the promising future of gain scheduled in thermal object control.
研究结果显示了增益调度在热工控制问题上有一定的应用前景。
The utility model has the characteristics of light weight, small dielectric gain loss, low dielectric thermal noise temperature, small input voltage standing wave ratio, etc.
本实用新型具有重量轻、介质增益损失小，介质热噪声温度低、输入电压驻波比小等特点。
In this dissertation, some control schemes based on gain scheduled and state feedback control theory and PID controller were proposed to control the nonlinear parameter-varying thermal objects.
论文结合增益调度控制方法、状态反馈控制理论和PID控制器设计方法，得到一些适用于非线性热工对象全工况运行的控制方案。
Passive cooling is a building design approach that focuses on heat gain control and heat dissipation in a building, in order to improve the indoor thermal comfort with low or nil energy consumption.
无动力制冷是一个建筑设计的新方式，设计师们更多的关注热量的吸收控制和热量的损耗，以保证室内的温度宜人和能源的零消耗。
ZED product B makes use of the heavyweight properties of concretes providing thermal mass to act as a heat sink for solar gain from the south facing windows.
ZED产品B利用水泥重量特性具有的保温性能象加热槽似的收集南面向阳窗户处的太阳能。
ZED product B makes use of the heavyweight properties of concretes providing thermal mass to act as a heat sink for solar gain from the south facing windows.
ZED产品B利用水泥重量特性具有的保温性能象加热槽似的收集南面向阳窗户处的太阳能。
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