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The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied.

们在不同溶剂。不同酸碱度溶液中的偶氮式及腙式互变构平衡进行了研究。

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The two now isonicotnic acid hydrazone and N-oxide isonicotinic acid hydrazone of ethyl furoyl acetates were synthesised. The condensations were carried out in ethyl alochol medium.

合成了呋喃甲酰乙酸乙酰腙和呋喃甲酰乙酸乙N-氧化酰腙。缩合反应在乙醇中进行。

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observatory, observe, observed, observer, observing, observingly, obsess, obsessed, obsession, obsessional,

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3G, 401(K), a,

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CNN 10 学生英语 2018年11月合集

And while this one is " jelly fishing" for prey as long as it doesn't " hydrazone" out, anything near by out to use a " plankton" of caution.

一个是" 水母捕捞" 的物,只要它不" 漂" 出来,近出来都使用" 浮游生物" 的警告。

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obstacle, obstacle race, obstetric, obstetrical, obstetrician, obstetrics, obstinacy, obstinate, obstinately, obstinateness,

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3G, 401(K), a,
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