In this paper, the materials for organic modification of montmorillonite are prepared by purifying and sodium modifying Laixi bentonite.
本文以莱西膨润土为原料,经过提纯、钠化改型后制备出了性能优良的钠基蒙脱石,以作为蒙脱石有机改性的原料。
参考来源 - 有机蒙脱石制备工艺优化及结构变化规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
指定在这种改型件中包括指示灯。
这两种改型是从已有的J - 6机身改装。
Both of these variants were converted from existing J-6 airframes.
船只改型、修理和武器和/或电子系统安装都可以按客户需求进行。
Ship conversions, repairs and installation of weapon and/or electronic systems can all be undertaken to meet customer requirements.
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