Analytic solution of temperature pattern of round heat sources is presented under the changing discharge channel radius with time and fixed input total power.
得到在随时间变化的通道半径和固定输入总功率表面热源条件下的温度场计算公式。
The changing curve of temperature and concentration in top and bottom with time in fixed reflux ratio and batch distillation, were also obtained.
获得了该塔在全回流及部分回流条件下的全塔效率，固定回流比间歇精馏下的塔顶、塔釜温度及浓度随时间的变化曲线等。
The higher the temperature and the longer the resident time was, the higher the oligomer content was during polyester melt trans - fer course at a fixed screw rotation speed.
在一定的螺杆转速下，温度越高，停留时间越长，聚酯熔体输送过程中齐聚物含量越高。
The results show that the thickness and composition of the alloyed layer is related to an alloying temperature and time on the condition of a constant pressure and fixed cathode.
结果表明，在极间距与工作气压一定的条件下，渗层厚度及成分与温度和保温时间有关。
Clean the machine including the surface, base, slip board, groove, pressed board and oriented pole in the fixed time. (turn off the power until the machine to normal temperature).
定期清洁机台表面、底板及下模滑板、沟槽、上模内压板及保险杆(注：必须关闭电源并恢复常温)。
As a result, the mode can realize real time adjustment, avoid big temperature disturbance because of changing man-made fixed value and save energy.
既做到了实时调整，又避免了人为修改给定值系统带来的较大扰动，同时节约了能源。
As a result, the mode can realize real time adjustment, avoid big temperature disturbance because of changing man-made fixed value and save energy.
既做到了实时调整，又避免了人为修改给定值系统带来的较大扰动，同时节约了能源。
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