本文通过对石英晶体谐振电路和传统的无稳态触发器设计原理的深入研究。
This text is by way of designing the research going deep into of principle to the quartz crystal resonance circuit with the nothing stable state trigger of tradition.
采用PHEONICS数值仿真软件，对热电冰箱的无负载瞬态工作、有负载稳态和瞬态工作时箱内温度场和流场进行了数值模拟。
In steady and transient state, air temperature field and flow field inside the thermoelectric refrigerator, loaded and no loaded, are calculated by using a CFD software PHEONICS.
在模型中引入了超滤常数，根据超滤常数将超滤过程稳态渗透通量计算分为有滤饼层和无滤饼层两种情况。
The ultrafiltration constant is introduced to this model, by which the steady ultrafiltration process can be divided into two types: in the presence of cake and in the absence of cake.
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