Objective: To assay the chemical active compositions of HangJinju decoctions.

目的：分析中药黄金菊汤剂的化学药效组分。

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When the amount of the chemical active agent is control, A pitchbond refractory with high carbon content and high strength is obstained.

控制化学活性物质的加入量，可制得高残碳、高强度的优质沥青结合耐火材料。

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It is easy for the chemical active substances in the storage vessels to occur run - away reactions. The critical character is increased as vessels larger and storage times longer.

储运化学活泼性物质时易发生反应失控型火灾爆炸事故，其危险性随着容器的增大和储运时间的增长而增加。

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The original patent on omeprazole, the active chemical in Prilosec, ran out on Oct. 5.

FORBES: Magazine Article

In addition to selling the once-a-week Prozac, Lilly has also re-branded fluoxetine, the active chemical in Prozac, to treat a serious form of premenstrual syndrome.

FORBES: Lilly Gives Away Prozac, Makes Money

The patent protecting the active chemical in the drug has already expired, but a second patent, on using that chemical as a muscle relaxant, is valid until December 2021.

FORBES: Magazine Article