The experimental results show that the performance and limited current density of the PEMFC are enhanced with increasing operational temperature.
结果表明：升高电池温度可提高PEMFC的性能及极限电流密度；
The yield of benzoic acid could be improved by increasing operational temperature and catalyst dosage which could accelerate cleavage of polyperoxide to form benzoic acid.
提高反应温度和增加催化剂浓度都能改变口-甲基苯乙烯的聚过氧化物的稳定性，使其开裂并最终转化为苯甲酸。
The operational principle of the combustion efficiency meter and the basic circuits for thermocouple temperature measurement, oxygen measurement, co measurement are introduced.
介绍燃烧效率测定仪的工作原理及热电偶测温、氧测量、一氧化碳测量的基本电路。
Currently, this battery can onlyoperate above its phase transition temperature but researchers are trying toreduce this operational transition temperature to room temperature.
目前，这种电池只能在其相转变温度以上工作，不过研究人员正在尝试将这个工作转变温度降到室温。
The temperature uniformity of hot plate in mould heating system is one of the main specifications in measuring the operational performance of rubber injection machines.
加热系统中热板温度场的均匀性是衡量橡胶注射机使用性能的主要技术指标。
Operational environment and applying temperature of quick - drying cement are given. Fatigue waveform of conventional strain gauge and some questions in the test are discussed in the paper.
给出了一种快干肢的工作环境和适用温度，讨论了常规应变片疲劳波形和在测试中出现的问题。
Operational conditions: conduct leveling at proper time according to site temperature and humidity condition.
作业条件：根据现场温度、湿度条件掌握适当时机进行自流平施工。
The temperature information acquisition unit based on C8051F330 is composed of processor, analog front-end operational amplifier, serial port communications and so on.
基于C8051F330的温度信息采集器，由处理器、模拟前端运算放大器和串口通讯等组成。
This paper introduces the operational principle, composition and features, the software design and etc. of the automatic temperature control system of disinfect machine.
介绍了消毒机温度自控装置的工作原理、组成及其特点和软件设计等。
Device operational range is limited by the maximum junction temperature.
装置的运作范围是有限的最高结温。
The principle of microcomputer-based temperature and level control system is given and its operational experience in management and maintenance is introduced.
叙述锅炉温度、水位微机自动控制系统的原理及系统在管理维护方面的运行经验。
The temperature of air entered from outside gives enormous influence to the actual operational condition of blower.
进气温度对离心鼓风机实际运行工况有较大影响。
Operational principle of sensor and compensation of temperature and pressure are introduced, and structure of system design and the circuit of hardware are present.
介绍了传感器工作原理和温压补偿方法，给出系统的设计结构和硬件电路组成。
When the fault occurs, users can directly inquire on the screen for easily removing the fault; changing operational parameters and setting up temperature.
当故障发生时，可在触摸屏上直接进行故障查询，方便了用户排除故障、改变系统运行参数和设定温度。
This paper describes the operational principle and key techniques of RASS sounding transmitter system designed to measure the temperature of lower atmosphere in a wind profile radar.
论述了某气象雷达为满足测量大气低层温度需要而设计的RASS声发射装置的工作原理和技术要点。
This article presents an experimental determination for optimal operational parameters, such as cross velocity, trans-membrane pressure, temperature and fixed flux operation, etc.
通过试验，确定了针对城市污水直接膜过滤应选择的合适错流速度、料液温度以及采用低压恒通量操作的模式。
We concluded that the operational press has less affect and the reaction temperature and the quantity of oleum is the key parameter.
认为反应压力对混合反应影响不大、混合温度和烟酸比例是关键。
In the piston thermal fatigue test, there are two different operational mode: temperature control mode and time control mode.
活塞的热疲劳试验有温度控制和时间控制两种工作模式。
By using the operational command such as PID, the temperature of the furnace can change accurately according to the temperature controlling curve.
通过使用PID等运算指令，该系统能控制热处理炉，使炉温按照设计的温控曲线精确变化。
The two operational modes were analyzed by the model controlled the steam inlet valve and the drain water valve based on the return water temperature.
对通过调节蒸汽进汽阀门来控制供水温度的现有运行方式和通过调节疏水阀门控制供水温度的新运行方式进行了仿真分析。
Ocean color and sea surface temperature are parameters for which advanced techniques are ready for operational monitoring.
海洋的颜色和海表面温度是高技术可以对之进行作业性监测的参数。
The super-wide speed adjusting range, the stably operational capacity, the high vacuum rate and temperature gradient, made the equipment possible to do much forefront scientific research work.
超宽的调速范围、稳定的运动性能以及高 的真空度和温度梯度使该设备能够完成许多前沿性的科学研究工作。
The operational principle of the utility model carries on the heat change exchanging the high temperature compressed air and the clean air through the filter.
本实用新型的工作原理是利用高温压缩空气与经过滤器过滤的洁净气体进行热交换。
The operational principle of the utility model carries on the heat change exchanging the high temperature compressed air and the clean air through the filter.
本实用新型的工作原理是利用高温压缩空气与经过滤器过滤的洁净气体进行热交换。
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