Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied.
以8-氨基喹啉为合成了18个5-位偶氮衍生物,其中11个是新化合物。
Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied.
以8-氨基喹啉为合成了18个5-位偶氮衍生物,其中11个是新化合物。
Many species have a pouch (marsupium), a fold of skin covering the nipples on the mother's lower belly, where the young continue their development.
许多品种都有一个儿袋(marsupium),是在
下腹盖住乳头
皮袋,幼
在袋内继续
。
A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described.
嗪是用途很广泛
化合物,如作染料,光
物质,聚合单
,另外它们还是加成反应
化合物。
In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.
在海蜇成或水
阶段,它们通过将精子和卵于释放到水中形成浮浪幼
而进行有性繁殖。
14) translocation were noted in patients with short stature, and all of these cases were found to have a specific genetic syndrome – maternal uniparental disomy (UPD) of chromosome 14.
14)染色移位在身材短小
病人上
现,这些病例
现都属于一种特殊遗传症候群-第十四
单亲双染色
。
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