The performance of the new system is simulated, and the influences of heat-source temperature on the performances of refrigeration and heat-supply are discussed.
通过对新系统的过程模拟，文中研究了新系统的能量特性和热力学的机理；
The results of the investigation show that under a relatively low heat source temperature the thermal and exergy efficiency of the system may attain in excess of 30%.
结果表明，在较低的热源温度下，系统的热效率和火用效率可以达到30 %以上；
The previous equations suggest several means for reducing Johnson noise. It might be possible to reduce the bandwidth, the source temperature, or the source resistance.
上述公式给出了降低约翰逊噪声的几种方法，即可以减小带宽、降低源的温度或者降低源电阻。
On the basis of the research into the bulk temperature field in gears makes research theoretically on the source temperature field in gears, which is a typical geopotential problem.
在齿轮本体温度场研究的基础之上，对齿轮有源温度场这一典型的位势问题从理论上进行了探讨。
Otherwise, when the indoor heat source temperature is high, the radiation heat flux is the main factor and the radiant panel should be placed as near to the heat sources as possible.
当室内热源温度较高时，辐射板与热源的辐射换热量增大，辐射换热量为主导因素，因此应将辐射板布置在靠近高温热源的位置。
The pulverized coal-air flow ignition limit is mainly influenced by such parameters as initial temperature, ignition source temperature, coal rank and the fineness of the pulverized coal.
煤粉气流的着火界限主要受初始温度、点火源温度、煤种和煤粉细度的影响；
One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.
误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。
What's more, the temperature and density of the plumes could indicate a warmer, watery source beneath the surface.
更为重要的是，探测所得的温度和气流的密度表明，在星球表层以下有温暖潮湿的来源。
To raise the temperature of an object, it is necessary either to add heat to it from some source at higher temperature or to do work on it.
要提高一个物体的温度，必须从一个温度较高的热源给这一物体加热或者对它作功。
The temperature of the steam produced varies, depending on how hot the source is and how much heat it loses on its way to the surface.
产生的蒸汽温度不一，这取决于热源的温度以及通向地表过程中损失的热量。
In years past, spicules had been judged too cool to be a source of the high temperature plasma that, among other things, generates the sun's ultraviolet light.
过去，人们认为针状体的温度太低，除了产生太阳的紫外线，并不足以作为高温等离子体的发射源。
Cooked food that has been held at room temperature for several hours and served without being reheated can be an important source of infection.
已在常温下存放数小时和未经加热再次食用的煮熟食物可以是一个重要的感染源。
It might involve omitting especially awkward readings; or where, for example, a heat source like an airport has sprung up alongside a weather station, inputting a lower temperature than the data show.
其间可能涉及到略去一些偏差较大的实验数据，亦或，热源(比如说飞机场)靠近气象站时，实验结果的输入就比实际数据要低一些。
After the bandwidth and temperature, the remaining factor in determining the system noise is the effective source resistance.
讨论了带宽和温度以后，决定系统噪声的另一个因素就是等效源电阻。
The effects of inoculums, fermentation temperature and time, and nitrogen source on production of citric acid from aged paddy rice by liquid-state fermentation of Aspergillus niger were studied.
研究了接种量、发酵温度与时间、氮源等因素对以陈化稻米为原料，黑曲霉液态发酵法生产柠檬酸的影响，并优化了工艺。
Reference source outputs a stable reference signal which is independent of power supply voltage, temperature and process.
其输出的基准信号稳定，与电源电压、温度以及工艺的变化无关。
Process integration aspects when choosing heat source size and temperature are also discussed as well as the relation between these parameters and the choice of heat pump type.
当选择热泵尺寸和温度时，整体考虑了个方面的因素，也考虑了这些参数与热泵形式选择之间的关系。
Johnson noise may be reduced by lowering the temperature of the source resistance and by decreasing the bandwidth of the measurement.
降低源电阻的温度、减小测量的带宽可以降低约翰逊噪声。
In an optical current sensing system, when the fluctuations of the driving current or the ambient temperature of the optical source used happens, the peak wavelength of the source will change.
在光学电流传感器系统中，光源的驱动电流与环境温度改变，都会造成光源峰值波长移动。
Because the source of the 68-level Waterfall is underground springs, it keeps constant temperature all year round, while giant salamanders love to inhabit such homothermal rivers.
因68级瀑布的源头系地下泉，故四季恒温，珍贵的娃娃鱼就喜欢栖息生活在这种恒温的河流里。
Simulates the thermodynamic characteristic of the air side heat exchanger of an air source heat pump under different air temperature and relative humidity.
用计算机模拟空气源热泵风侧换热器在不同环境温度和相对湿度条件下运行的热力特性。
Therefore, it is necessary to stabilize the driving current and the ambient temperature of the optical source by some technical means.
因此，光源的恒温控制与光源驱动电流的恒流控制是必要的。
Therefore, it was necessary to stabilize the driving current and the ambient temperature of the optical source by some technical means.
因此，光源的恒温控制与光源驱动电流的恒流控制是必要的。
A fire requires fuel to burn, air to supply oxygen, and a heat source to bring the fuel up to ignition temperature.
一把火需要燃料来燃烧、空气来提供氧气还有使燃料到底燃烧温度的热量。
The total area is of about 30 square meters for the club, and there is no heating source, and it requires the temperature and humidity control, space, and energy saving features.
该会所酒窖需安装空调面积总计30平方米左右，会所酒窖无发热设备，且对温湿度控制、空间、节能有较高要求。
The radiation-driven implosion asymmetry can be obviously improved using time-modulation of radiation temperature source .
辐射驱动内爆的不对称性可以利用辐射温度源的时间调制得到明显的改善。
The radiation-driven implosion asymmetry can be obviously improved using time-modulation of radiation temperature source .
辐射驱动内爆的不对称性可以利用辐射温度源的时间调制得到明显的改善。
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