The results show that in SF6 there is obvious difference between the positive and negative onset voltage and the difference is increased by an increase of gas pressure.
在较大分子的气体（如SF_6）中，正、负电晕起始电压有明显差别，而且随着气体压强增加而增大。
CONCLUSION: the test anxiety has gender difference of which reason may be because of the cognition of the pressure from school and society and the self-negative cognition induced by test pressure.
结论：考试焦虑存在性别差异，造成差异的原因可能是对学校社会压力的认知和由于考试压力造成的自我负面认知。
Recommends the proper value of pressure difference between negative pressure wards and adjacent clean zones.
给出了负压病房和相邻洁净区域压差的推荐值。
Recommends the proper value of pressure difference between negative pressure wards and adjacent clean zones.
给出了负压病房和相邻洁净区域压差的推荐值。
应用推荐