first order buckling

The general primary membrane stress plus primary bending stress intensity criterion for the vessel thickness in the analysis design method are discussed.

对容器壁厚的整体一次薄膜应力加一次弯曲应力的强度准则Pm+Pb≤1。

This study was carried on the primary purification of sodium chloride from flotation salt in potassium chloride production in Qinghai salt industrial company.

利用青海盐湖工业(集团)公司氯化钾生产过程产生的浮选尾盐进行氯化钠一次精制试验,在对原盐进行充分的成份分析和粒度分析的基础上,通过二段洗涤工艺过程,一次精制后氯化钠干基含量达到98%以上,氯化钾含量从原盐的3。