the categories, action principle and applications of light stabilizer are introduced. the present situation and development tendency of light stabilizer at home and abroad are also reviewed.
介绍光稳定剂的类别、作用机理及应用,综述国内外光稳定剂的发展历程和现状,探讨了光稳定剂的发展趋势。
firstly, by reading document home and abroad, the paper summarizes the advantages and disadvantages of the srd, and illuminates research situation and development tendency in some aspects.
首先,结合国内外文献资料,总结了srd系统的优点和存在的问题,并就某些方面阐述了目前的研究现状和发展趋势;
present situation and development tendency of technical preventing coal spontaneous combustion adopted with plasticity slurry that can spray and pour domestic and international are discussed.
综述了国内外喷注型浆体防煤自燃技术的现状和发展趋势,通过实验,得出塑性石膏浆的配制方案和堵漏风效果。
present situation and development tendency of research on lubricant anti-wear extreme pressure additives were briefly reviewed in this article.
简要地概括了润滑极压抗磨添加剂的发展现状和研究动态,对各种极压抗磨添加剂进行了比较和总结。
the article deals with the situation and development tendency of rotational molding of plastics both at home and abroad.
本文简要介绍了目前国内外滚塑工业的现状与发展趋势。