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- A heat transport dynamic model of proton exchange membrane fuel cell (PEMFC) stack and the factors affecting stack temperature were considered. 摘要基于能量守恒原理建立了电堆的动态热传输模型,比较全面地考虑了影响电堆热传输的因素。
- Neglecting cooling effect, the stack temperature increases quickly with the stack current, if the feeding gas rate of reactant is a little higher than one needed for the load. 仿真结果表明,在不考虑冷却且反应气体输入流量略大于负载电流所需流量情况下,随负载电流的增大电堆温度快速上升;
- How much do all these figures stack up to? 这些数字的总和是多少?
- New development of ground coal stack temperature monitoring system 新型地面煤堆温度监测系统的研制
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- He placed his books in a neat stack. 他把书整整齐齐放成一堆。
- You will find a little stack of candles in reserve. 你会发现一小堆备用蜡烛。
- The grain has gone mouldy in the stack. 垛里的谷子发霉了。
- There is an imperceptible change in temperature. 温度有细微的变化。
- The food should be kept at low temperature. 这种食品应低温保存。
- How does our product stack up against those of yours? 我们的产品与你们的相比怎么样?
- The temperature of volcanic gases is very high. 火山气体的温度很高。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- That's how things stack up today. 目前的情况总之就是这样。
- The temperature fell sharply in the night. 夜间温度急剧下降。
- There was a descent of temperature after rain. 雨后气温下降了。
- The temperature has stayed hot this week. 本周气温一直都很热。
- The temperature here reaches up to40 in summer. 这里的温度在夏天可达摄氏40度。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- There is a stack of dishes to be washed in the kitchen. 厨房里还有一大堆盘子要洗。