The chlorophyll existing in vegetables is removed using a mini-column filled with Celite 545.
用小柱对样品进行预处理,可去除叶绿素和杂质的干扰、提高方法灵敏度。
Square steel tube column filled with steel-reinforced concrete is a new design model of steel-concrete composite columns.
钢骨-方钢管混凝土柱是一种组合柱设计模式,采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。
The study aims to get the calculation formulas of normal section strength of circular steel tube composite short column filled with steel reinforced concrete.
目的得到钢骨-钢管混凝土柱正截面承载力计算表达式。
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