The troublesome separation of column chromatography would be avoided as crude product recrystallized inn-butanol.

粗产物采用正丁醇重结晶，避免使用较繁琐的柱层析分离。

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The results indicated that the growth could be accelerated by LHRH_A (crude product) with no significant changes in the contents of nutritious component in goldfish.

以上结果提示，投喂lhrh_a粗制品可以促进鲫鱼生长而不影响它营养成分的含量。

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The p-methylaniline and other impurity in the crude product are adsorbed by active carbon and the purified 4B acid is precipitated out by acidic solution from middle compartment.

阴极碱性液溶解4B酸粗品，活性炭吸附除去从粗品中溶出的对甲苯胺等杂质，中间区的酸性液使4B酸精品析出。

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"The outlook for retail margins remains uncertain with continuing crude and product price volatility, " he said.

BBC: NEWS | Business | Strong oil demand lifts BP profit

The comic book medium gave birth to our own classical hero because only in a medium that crude, whose end product is that apparently unfinished, can a creator so effectively suggest a concept of such endless potency.

FORBES: Does Clark Kent Put on a Costume to Become Superman, Or Does Superman Put on a Costume to Become Clark Kent?

Mr. VAITHEESWARAN: In fact, the single biggest determinant of gasoline prices is the price of crude oil, the main product that goes into making gasoline.

NPR: Curb Your Conspiracy Theories on Gas Prices