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The preparation of anisaldehyde by ozonolysis reaction from anethole was studied.

以茴香料,乙酸和环己烷混合物做溶剂,法制备茴香醛。

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3G, 401(K), a,

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Now, as those bacteria munch, they make gas like carbon dioxide, methane, and the really smelly one, hydrogen sulfide.

现在,当这些细菌大快朵颐会产生气,比如二烷,还有那特别的硫氢。

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half price, half sister, half sole, half step, half term, half time, half tone, half-add, half-adder, half-and-half,

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3G, 401(K), a,
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