In this paper the lost of Hg and its affections and control in opentube sliding LEP system are analysed theoretically.
在理论上对开管滑动系统中汞损失的影响作了分析和计算，提出了准平衡汞压的方法。
2
Taking account of the disadvantage of current P-type impurity diffusion technology, an opentube gallium-aluminium diffusion technology is investigated.
就现行P型杂质扩散工艺的不足，进行了开旮铝镓掺杂技术的研究。
3
The critical temperature and critical pressure of 1-hexene, the meniscus-disappearing temperature and meniscus-disappearing pressure of 1-bromopropane were measured with an opentube method.