研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
中离子碳烯类似于氮杂环碳烯。
烯效唑处理后,籽粒中的DNA、RNA含量增加,与籽粒中蛋白氮、成熟籽粒蛋白质含量提高表现一致。
After uniconazole treatments, the content of DNA and RNA was increased, protein nitrogen and protein in seeds were consistent with the content of DNA and RNA.
本文报道了氮掺杂富勒烯的红外和紫外可见光谱。
Nitrogen doped fullerene derivative's IR and UV vis spectra are reported.
结果表明:烯效唑处理后,籽粒中蛋白氮与非蛋白氮含量及最终的蛋白质含量表现一致。
Result indicate that after uniconazole treatments, effects on the protein nitrogen content and the non-protein nitrogen content in seeds were consistent with the protein content in seeds.
该染料甲川链上的碳原子与氨基的氮原子相连,而该氮原子又与染料的甲川链形成烯胺。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye .
目的探讨氮酮、杜香萜烯两种渗透促进剂对复方骨质增生贴剂透皮渗透的影响。
RESULTS Both Azone and Lepaloine at different concentrations have the role of enhancing permeation.
在氮桥的二边,一个双键及一个烯醛基共轭程度大致与二个芳稠环相当。
In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.
在氮桥的二边,一个双键及一个烯醛基共轭程度大致与二个芳稠环相当。
In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.
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