... alkaline cleaning solution；碱性清洗溶剂 alkaline compound；碱性化合物 alkalinity；碱性，碱度 ...
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However, there are several disadvantages with silica-based materials such as severe peak tailing in the chromatogram of basic compounds and limited pH stability. The defects of silica limit its application in some important fields.
然而,由于硅胶本身化学稳定性差,易引起碱性化合物色谱峰的拖尾,使它在一些重要领域中的应用受到了限制。
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本发明是在西替利嗪中，配合作为稳定剂的碱性化合物形成口服制剂组合物。
The invention discloses an oral preparation composition prepared by being matched with an alkaline compound taken as a stabilizing agent in cetirizine.
由于冠醚上引入苯甲酰胺取代基，因而对苯胺类及不经衍生化的碱性化合物能特殊选择性地分离。
Excellent selectivity was obtained for the separations of polar position isomers. The benzamide substituent group on crown ether makes the stationa…
新研制的柴油安定性添加剂对抑制由非碱性化合物引起的催化裂化柴油的颜色变深和沉渣生成有较好的效果。
A new stabilization additive was studied, it has good effect to improve the color change and sediments formation of FCC diesel fuel containing non-basic nitrogen compounds.
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