温差

白天和夜里的温差是多少？

What 's the difference in temperature between the day and the night ?

储存于储罐中低温的LNG与外界环境存在较大的温差，温差的存在使热量不断的渗入。

The calories are transfered into the LNG stored in the container for the obvious difference in temperature between the cryo-LNG and the outside environment .

温差可达10度之多。

Temperatures can fluctuate by as much as 10 degrees .

这里白天和夜晚的温差很大。

The temperature here varies greatly between day and night .

他发现这大楼底层和顶层温差变化非常大，这些数据本来应该利用起来，设计更多自然降温的设施。

He discovered vast temperature variations between the bottom and top of the building , data that could have been used to facilitate more natural cooling .

撒哈拉沙漠的昼夜温差很大。

In the Sahara , temperatures are very different during the day and at night .

氧分压对ZnO薄膜温差电动势的影响

Effect of Oxygen Partial Pressure on the Thermoelectromotive Force of ZnO Thin Films

关于常压锅炉供暖的思考利用PID在I/A′S中实现常压炉四支路温差控制

Realizing Control of the Four-branch Temperature Difference in Normal Pressure Boiler by PID in I / A ′ S

近室温光伏（Hg，Cd）Te探测器温差电流的研究

Study of thermoelectric current of near-room-temperature photovoltaic ( hg , cd ) te detectors

红外扫描成像系统中Narcissus等效温差的修正计算

Corrected Calculation of Narcissus Induced Temperature Difference in Scanned Infrared Imaging Systems

对栖息于季节变化明显、年温差较大的北方小型啮齿类而言，BAT对动物的生存尤为重要。

Thus , BAT is very important for small rodents inhabiting the North with obviously seasonal changes of climates .

高羊茅草坪冠气温差值全天与RH和VPD显著相关。

Tall fescue turf canopy-air temperature difference significant in with RH and VPD correlation .

退火处理对CdIn2O4薄膜光电特性的影响及温差电动势的研究

Annealing effect on photoelectric property of CdIn_2O_4 thin film and its thermoelectromotive force

此种电池流场设计膜中温差很小，只有约4K左右。

This channel field design of single cell has a small difference in temperature of membrane , only about 4K .

结果表明在T温差电势率和比热起决定性的作用；而T>TK时，系统可用单杂质的Kondo理论描述。

The results show that when T Tk , the system can be described as the Kon-do impurity system .

基于镍氢电池性能实验结果，分析了轻度HEV用镍氢电池在不同SOC情况下不同充电电流的最高温度、温差变化趋势。

Based on the result of NiMH battery performance experiments , changing trend of maximal temperature and difference in temperature of HEV NiMH battery in different SOC and different charging current is analyzed .

相关参数包括：器件电阻R、优值系数Z、最大温差△Tmax及最大工况下的参数等。

The relevant parameters include : the device resistance R , the figure of merit Z , the maximum temperature difference Δ Tmax and the parameters of maximum operating condition and so on .

介绍热电的基本理论，分析了提高热电材料电优值的方法和温差发电器的功率输出；及其ANSYS热分析软件的基本原理。

Introduction the basic theory of thermoelectric , analyses the way to improve thermoelectric materials ' electricity optimal value and the output power of the thermoelectric generator ; And introduce the basic principle of thermal analysis software-ANSYS . 3 .

结果表明：随着掺杂Ag的摩尔分数的增大，材料的Seebeck系数（即温差电动势）和电导率均有增大的趋势，但热导率变化不大。

Results indicate that with the increasing of Ag content , the Seebeck coefficient and electrical conductivity show an increasing tendency , but there is no evident change for thermal conductivity .

As-Te玻璃半导体的温差电动势率和电导率的研究

Thermoelectric power and DC conductivity of bulk As-Te chalcogenide glasses

从为铸造工艺CAD提供数据库的根本目的出发，指出：浇注法测试铸型热物性值和界面温差法测试金属&铸型界面换热系数是今后的主要发展方向。

With an aim of providing a data base for CAD system for castings , the conclusions are as follows : ' pouring Method ' for measuring thermal properties of molds and ' Interface Temperature Method ' for measuring metal-mold interface heat transfer coefficients are major thrusts in future .

利用一个由恒流脉冲发生器和数据采集卡组成的简单测试系统测得制冷器在小电流下的电阻电压和塞贝克电压，通过这两个电压推导出ZT值、最大制冷温差。

The resistance and Seebeck voltages used to calculate the ZT and the maximum temperature difference are measured using a testing system composed of a DC pulse generator and a DAQ card .

在实验室内对热像仪进行性能检测时，通过对最小可分辨温差MRTD的测量，即可利用该公式模拟出三维图形来描述不同大气环境下的最大识别距离。

While MRTD was measured in the lab , this equation can be used to simulate a three dimensional description of the maximal recognition distance under different atmosphere .

利用非等温差热扫描量热分析方法及Kissinger方程，研究了H原子对Zr-Ti-Cu-Ni-Be块状非晶合金玻璃转变和晶化的激活能影响。

The effects of hydrogen on the activation energy and the kinetics of glass transition and crystallization of Zr-Ti-Cu-Ni-Be bulk amorphous alloy were studied by differential scanning calorimetry ( DSC ) and the Kissinger equation .

介绍了TEC温差电致冷组件质量等级集中检测的内容及结果，并对结果进行了分析、评述。

After an Introduction to the content and result of quality level concentration inspection of TEC series thermoelectricity cooling unit , a detailed summarization and analysis to the inspection result are elucidated in the paper .

继续增加CeO2，涂层的抗热震性能急剧下降。ZrO2+9.0%CeO2涂层在热循环中形成的网状微裂纹，不仅可降低涂层中的应力，也可提高涂层开裂的临界温差，从而可改善其抗热震性能。

Net shaped microcracks well distributed in ZrO 2 + 9 0 % CeO 2 coating resulted in decreasing stress and critical temperature of fracture initiation in coating , so the thermal shock resistance increases .

以某桥为例，运用ANSYS的零阶优化法，采用贝叶斯气温预测模型预测了拱肋节段安装温度，计算了不计温差影响和计入温差影响的节段预抬量和索力。

Take one bridge as an example , using zero-order optimistic method of ANSYS , adopt temperature forecasting model Byes to forecast the installment temperature for arch rib segment . Calculate the cable force and pre-camber of considering the influence of temperature and without considering the influence of temperature .

在积分时间为4毫秒及镜头为F/1条件下，器件噪声等效温差为0.1K。

The noise equivalent temperature difference of 0 . 1 K was obtained with a F / 1 optics and integrated time of 4 ms.

尽管系统的尺度特性、流体流动状态和换热温差等条件是系统设计的重要依据，但PCM内部的传热强化才是提高系统效率的关键因素。

Although the scale characteristics of the system , the flow state of the fluid and the difference between the heat source and the storage temperatures are important for the system design , it is the key to enhance the heat transfer inside the PCM .

RCC大坝坝面混凝土难免存在不同程度的工程缺陷，在干湿、温差交互作用下可能会产生应力裂缝，因此，需采取积极有效的辅助防渗措施，以避免或减轻对大坝的不利影响。

RCC dam face concrete frequently sees engineering defects of different degrees or stress crack under interaction of dry and wet environment or temperature variation . Therefore , active and effective auxiliary seepage proof measures shall be taken to prevent or alleviate the unfavorable influence on main dam .