3) white marble column
白色大理石圆柱
4) table with inlaid marble
镶大理石的桌子
5) carbide molecule screen capillary column
大口径碳分子筛石英毛细管柱
1.
Determination of trace acetylene in ethylene by chromatography was improved,packed column used originally was replaced with carbide molecule screen capillary column and condition of chromatograph was modified.
将国标GB/T3395-93测定乙烯中微量乙炔的方法进行了改进,采用大口径碳分子筛石英毛细管柱代替了原方法中的填充柱,对色谱操作条件进行了优化,该法具有分析速度快、重复性好、准确度高的特点,适用于乙烯产品及中控的分析,有较大的实用价值。
6) calcite and fluorite
大理石、萤石
1.
Investigated the influence of calcite and fluorite on the metal transfer, non-metallic inclusion in droplet and gas pore in weld metal of stainless steel electrode by means of collecting in a water trough, optical microscopy, SEM, EDS and heap welding on plates,etc respectively.
采用水中收集熔滴、光学显微分析、电子扫描能谱分析、计算机图像分析及平板堆焊等试验方法 ,分别研究了大理石、萤石对不锈钢焊条熔滴过渡行为 ,以及它们对熔滴中非金属夹杂物及焊缝中气孔的影响。
补充资料：巨大
（规模、数量等）很大：耗资～ㄧ～的工程 ㄧ～的成就。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条