工作温度

输出电压是表征PEMFC性能最重要的参数。PEMFC工作温度对其性能有很大的影响。

Output voltage is the most important parameter of PEMFC and operation temperature has vital influence on PEMFC performance .

质子交换膜燃料电池（PEMFC）电堆工作温度对电堆的性能和运行寿命有很大影响。

Operation temperature has significant influence on the performance and lifespan of polymer electrolyte membrane fuel cell ( PEMFC ) stacks .

建议临床上使用SystemB热牙胶根管充填技术时，将工作温度设定在180℃，并配合使用封闭剂。

Recommendations for the use of System B technology in clinical root canal obturation , the operating temperature was set at180 ℃ with sealers .

在600℃工作温度下，Pt微加热器具有良好的阻值稳定性和抗热冲击能力。

Working at 600 ℃, Pt micro-heater has good thermal stability and thermal shock resistance .

通过实验和研究确定制作新TEM（温差电池）模块的工艺途径，提高热面工作温度。

Developing new manufacture technique of TEM module can improve the work-temperature of hot surface and gain high power efficiency .

建立LED芯片的光电热寿命模型，为驱动器输出功率以及LED工作温度的补偿控制提供理论基础，实现长寿命LED灯具系统设计。

The LED light-electrical-thermal-life comprehensive lays the foundation for power and temperature feedback control of LED drier , in order to realize the long long-life LED lamp system .

DR是目前非常先进的X射线成像技术，将其X射线采集板工作温度控制在最佳工作范围可采集更好的图像。

DR is a very advanced X-ray imaging technology at present , which could control it 's temperature in best work range to collect the better image .

砷化镓单片开关在最高工作温度85°C、置信度90%下失效率λ小于400Fit，完全满足产品的使用要求。

The failure rate of switch MMICs is less than 400 Fit at the maximum operating temerature 85 ° C at a 90 % confidence level , so the products meet the customer requirements .

化学镀Ni–Co–P合金层玻璃纤维的热稳定性好，适宜的工作温度范围为：常温～180℃。

Electroless plating of Ni – Co – P alloy on the surface of glass fiber has good heat stability . The suitable working temperature range is lower than 180 ℃ .

该复合材料表现出典型的PTC性质，并比PE/CB体系有更高的工作温度。

This PVC / CB composite presents typical PTC properties and provides a high use temperature compared to PE / CB system .

作为一个自动温控系统，扩展了机载TFT-LCD的工作温度范围。在实际设计中获得了满意的效果。

The operation temperature range of the ruggedized airborne TFT-LCD is increased with the automatic temperature control system .

掺杂P型金属氧化物半导体，虽然极大地提高了纳米二氧化锡气敏薄膜对硫化氢的灵敏度，降低了最佳工作温度，但并未改善气敏薄膜的恢复特性。

By doping with P-type metal oxides ; although the gas sensitivity of nano thin oxide thin film was greatly enhanced and the optimal operating temperature was decreased , the recovery characteristics of the gas sensing film were not improved .

实验结果表明ZnO六棱微米管在200℃左右对乙醇、氢气等有良好的气敏性能，且较薄膜型ZnO气敏传感器的工作温度（约450℃）大大降低。

The results indicate that ZnO hexagonal prism microtube has negative temperature coefficient and excellent properties of gas sensitivity in 200 ℃, which is lower than ordinary ZnO thin film .

结果表明：新型带负荷清洗剂在pH为9.5，工作温度为300℃，压力为7.2MPa时，对金属设备有很好清洗及钝化作用。

All the results show : the cleaning and desactivation effect of novel detergent to boiler on-line cleaning was best as pH was ( 9.5 ), temperature was 300 ℃ and pressure was 7.2 MPa .

根据大功率LED特性，如果工作温度过高或者驱动电流过大，超过器件的极限值，易损坏LED。

On the basis of characteristics of the high power LED , if the working temperature is so high or the working current is so large that they excess the limited value , the LED will be damaged .

应用有限元软件Ansys，对某铁水脱硫喷枪的工作温度场与应力场进行动态仿真，显示喷枪在一次工作循环条件下热应力的动态分布。

The working body temperature field and stresses field of desulfurizing lance has been dynamically simulated with the finite element software Ansys to show the dynamic thermal stresses distribution within lance in a duty cycle .

汽车排气中大部分的CO和HC是在汽车冷起动期间1-2MIN内排放的，但是由于起动时催化剂未达到工作温度而不能起作用，使冷起动排放超标。

During cold start CO and HC emissions contribute the majority of the emissions in the legislated driving cycles . Automotive catalyst can not work since temperature is low and emission is high .

波峰焊工作温度下Fe、Sn能反应生成主要为FeSn2的脆性针状化合物。

Operating under the temperature for wave soldering , Fe and Sn can react and create acicular brittle compound whose major element is FeSn_2 . The development of compound is not a balanceable process .

文中系统讨论了APD雪崩增益和入射光功率、APD的工作温度和APD的偏置电压等的关系。

Firstly , the relationship between the M opt and the incidence light power , operational temperature and the bias voltage systematically is analyzed .

但是，军用LCD在性能方面有一些特殊的要求，例如工作温度范围、对比度、夜视兼容和抗阳光等。

But there are some special performance requirements in the military application of LCD , for example , the operating ambient temperature range , the contrast controlling , the night-vision compatible and sunlight readable .

氧化锌（ZnO）是迄今为止最重要的半导体敏感材料之一，然而，基于ZnO的气体传感器存在着工作温度高、灵敏度低、选择性不高等缺点，大大地限制了其进一步应用。

Today Zinc Oxide is one of the most important semiconductor gas sensing materials . However , it still has defects like high working temperature , low response and selectivity which significantly limit its further application .

结果表明：降低APD的工作温度有利于减小APD的等效噪声功率，APD存在最佳工作温度。

Experimental results show that NEP of APD can be reduced by reducing the temperature , and there is an optimal working temperature for APD .

合金的超弹性与工作温度有关，超弹性最佳值是在Af点以上一段温度范围内.其下限温度为Af点以上17～22℃。

The superelasticity of alloy is related to operating temperature , the excellent superelasticity is in the temperature region above Af , and the lower temperature limit is Af + 17-22 ℃ .

自动功率控制部分通过调节VCSEL的偏置电流，使其在工作温度和本身的性能发生变化时能够保持恒定的平均光功率。

The automatic power control ( APC ) adjusts the VCSEL bias current to maintain average optical power over changes in temperature and VCSEL properties .

运用基于在线的优化T-S模糊模型建模和离散优化的非线性模型预测控制（ModelPredictiveControl，简称MPC）算法，来实时控制电堆的工作温度，仿真结果显示了较好的模型仿真性能。

Moreover , an algorithm based on the on-line modeling of optimizing T-S fuzzy model and discrete optimization of nonlinear Model Predictive Control ( MPC ) could finish the real-time control of the stack temperature , and the simulation results show good performance .

但在SOFC高的工作温度下，合金材料作为其连接体材料在合材料和结构设计等方面还存在着一系列问题。

However , there are some serous problems for using alloys as interconnect materials at the high operating temperature of SOFC including the materials and the structure design .

同时，由于薄膜SOI温度电阻的结构对器件最高工作温度的影响不大，因而传感器的器件结构可以根据需要来选择。

Moreover , since the structure of the device on thin-film SOI wafer is not crucial in controlling the maximum operating temperature , device layout can be varied according to the requirements of applications .

铝含量的增加对ZA合金的常温力学性能影响不大，但能提高其使用工作温度。

The increase of aluminium content has little effect on the improvement of mechanical properties at room temperature , but enhances the working temperature of the ZA alloy .

由于OLED具有超薄、全固态、主动发光、高亮度、高对比度、几乎无视角限制和工作温度范围宽等诸多优点，而具有很大的应用前景。

With advantages such as ultra-thin , solid-state , active luminous , high brightness , high contrast , almost no perspective restrictions and widely operating temperature range , OLED has great application prospect .

SnO2对甲醛气体的最佳工作温度为265℃，气敏元件的电阻随着工作温度的升高先降低后升高再降低，对甲醛的响应随着甲醛浓度的升高而增大。

The optimal operating temperature is 265 ℃ . As operating temperature increasing , the resistance of gas sensor was decreased , then increase and then further decreased .