热气流旁通阀通过将热冷冻剂与冷的冷冻剂混合，使空气-冷冻剂热交换器中的冷冻剂温度保持恒定。
Heat flow bypass valve through the heat and cold coolant of coolant mixed to make the air-freeze agent in the heat exchanger coolant temperature constant.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型，以及压缩机和膨胀阀的稳态流动模型。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
本发明属于磁性材料与元器件技术领域，涉及磁记录技术，具体涉及一种交换偏置场型自旋阀。
The invention belongs to the technical field of magnetic materials and devices and relates to a magnetic recording technology, in particular to an exchange bias field-type spin valve.
在这种情况下，需要紧密配合的阀来阻止夜间反向虹吸，以防止水在热交换器盘管中被冷冻。
In this case, tightly fitting dampers are required to prevent reverse thermosiphoning at night, which could freeze water in the heat exchanger coil.
下泄背压控制阀维持下泄流上游段或下泄热交换器处的压力，防止压力过低引起流体汽化。
The letdown back-pressure regulating valve maintains pressure in the section of letdown upstream or the letdown heat exchanger to prevent the letdown liquid flashing to steam.
这种独特的掺杂方法有助于进一步提高交换偏置场和增强交换偏置和自旋阀样品 的热稳定性。
The special doping method is beneficial to improving the exchange bias field further and enhancing the thermal stability of the exchange bias and a spin-valve sample.
这种独特的掺杂方法有助于进一步提高交换偏置场和增强交换偏置和自旋阀样品 的热稳定性。
The special doping method is beneficial to improving the exchange bias field further and enhancing the thermal stability of the exchange bias and a spin-valve sample.
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