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The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.

本文由链状烯胺与己二氯反应合成4-吡喃衍生物。

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nonconcyclic, noncondensing, non-condensing, nonconducting, nonconductive, nonconductor, non-conductor, non-conference, nonconfidence, non-confidentiality,

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3G, 401(K), a,

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像科样思考(视频版)

Now, you need to look very carefully at the join between the two liquids, and you'll see tiny white strands and filaments forming.

现在,你需要非常仔细地观察两种液体之间连接处,你会看到微小白色和细丝形成物。

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Chemistry For Your Life

It's a mixture of things, including a lot of different hydrocarbons, which are non-polar chains.

种混合物,包含许多不同种类碳氢化合物,它们都是非极性结构。

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生科

Polymers are long chain-like molecules that are made up of smaller repeating links.

聚合物是由较小分子。

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TED演讲(视频版) 2022年4月合集

And my specialty was messenger RNA. Like proteins, messenger RNAs are long chainlike molecules composed of building blocks.

专长是信使 RNA。 与蛋白质样,信使 RNA 是由构件分子。

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Crash Course Pods: The Universe

And that means that you can create really complex chains, really complex structures with that carbon.

意味着你可以用碳创造出非常结构,非常结构。

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nonconformity, non-conformity, non-congestive, noncongruent, nonconjugated, nonconjugation, nonconjunction, nonconscious, nonconservation, non-conservation,

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3G, 401(K), a,
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