The non nitrogen compounds were firstly studied.
首先对中华绒螯蟹非氮化合物进行了研究。
参考来源 - 中华绒螯蟹风味物质的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
In addition, some free non-protein compounds were involved in nitrogen metabolism during the development of flower organs.
另外，在花器官发育过程中，还有游离非蛋白氨类化合物参与氨代谢。
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