Discusses the conditional tests for the determination of calcium content in the plastic knitted sack and its packing material, and establishes a reliable analytical method.
讨论塑料编织袋及其填充材料中钙测定的条件试验，建立了可靠的分析方法。
This study used as a modifier of calcium sulfate, NBS for toughener, HIPS as the theme of plastic polymer composites.
本研究采用以硫酸钙为改性剂，NBS为增韧剂，HIPS为主题塑料组成高分子复合材料。
Quartz floor tile is a new type of decorating floor covering tile while calcium-plastic floor tile is one of the old plastic floor covering tiles.
石英地板是塑料地面装饰块材新品种。钙塑地板则是塑料地面装饰块材老品种。
Calcite or marble is crushed, graded, and surface treated to be all kinds of technical natural calcium carbonate with different fineness. It is widely used in rubber, plastic, paint, and paper.
以方解石、大理石经超细粉碎、分级得到系列不同细度的重质碳酸钙，再经表面处理制得重质活性碳酸钙。
Calcite or marble is crushed, graded, and surface treated to be all kinds of technical natural calcium carbonate with different fineness. It is widely used in rubber, plastic, paint, and paper.
以方解石、大理石经超细粉碎、分级得到系列不同细度的重质碳酸钙，再经表面处理制得重质活性碳酸钙。
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