甚低温 meaning in English

very low temperature

Mineral insulating oils . determination of kinematic viscosity at very low temperatures
矿物绝缘油.甚低温条件下运动粘度的测定
Analyses and researches the 2 channel voltage source ' s functional and characteristic requirements of the experiment system of the acoustic current transport model in the quasi - 1d electron channel . 2 . designed and realized the hardware circuit of the 2 channel voltage source
两路高精度高稳定度馈源在进行准一维电子通道量子化声电流输运实验的中得到了很好的使用效果,在国内首次观察到了在甚低温下准一维电子通道的电导量子化现象。
The emphases of our research works are as follows : under ultra - low temperature ( about 0 . 236k ) conditions , how the frequency and power of the saw and the source drain voltage influence the acoustic current ; and the relationship between the source drain current and the split - gate voltage ; and how to find the cut off voltage of the quasi - 1d electron channel ; and also the frequency character of the idt in the saw parts
研究的重点为,在甚低温( 0 . 236k )下,通过实验研究表面声波的频率和功率,源漏偏压等因素对声电电流的影响;研究准一维电子通道中不同源漏电流与分裂门负偏压的关系,以找到分裂门的钳断点电压;以及研究声表面器件叉指换能器的频率特性等。