basic compounds separation 碱性物质分离
non-basic nitrogen compounds 非碱性氮
Basic organic compounds 基本有机化合物
basic nitrogen compounds 碱性氮化物 ; 碱性氮
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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Aim to synthesize compounds with coumarins basic skeleton.
目的合成香豆素基本骨架化合物。
The paper discusses the regularity of nomenclature of organic compounds and gives out some basic rules for naming organic compounds.
探讨了有机化合物系统命名规则，并得出了有机化合物命名的一些简单规律。
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.
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。
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