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Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化原料。

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Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用乙酰乙酸乙酯法合成了2-庚酮,总得率58.9%,纯98.5%.介绍了2-庚酮在相关领域中的应用.

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Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.

本文以紫外手段研究乙酰乙酸乙酯的酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶极性的增加而减少。

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AFSC, AFSCME, AFSWC, aft, AFTA, AFTAC, after, after a fashion, after a time, after a while,

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3G, 401(K), a,

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One of those compounds is acetoacetate, which can break down further into acetone.

其中一种化合物是以进一步分解成丙酮。

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SciShow - Chemistry

One of those compounds is acetoacetate, which can break down further into -- you guessed it -- acetone.

其中一种化合物是以进一步分解成——你猜对了——丙酮。

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afterall, after-bake, after-baking, afterbeat, afterbirth, afterblow, afterbody, afterbrain, afterbreak, afterburner,

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3G, 401(K), a,
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