A method used to simutaniously analyze the residues of herbicides (4-chloro-2-methylphenoxy) acetic acid, 2-(4-chloro-2-methylphenoxy) propanoic acid and 4-(4-chloro-2- methylphenoxy) butanoic acid in garlic was developed.

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3 Explain why propanoic acid boils at 141℃,but methyl acetate boils at 57℃.

解釋為什么丙酸沸點為141℃好大好硬好爽高潮视频，而乙酸甲酯沸點為57℃。

According to the graph of adsorption speed, a conclusion can be drawn that formic acid and acetic acid are fixed on the resin with multimolecular adsorption while propanoic acid and pentanoic acid are carried by monomolecular adsorption.

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In addition, there were also some special aromatic substances such as 1-nonanol, hexanoic acid 2-hexenyl ester, propanoic acid 2-hexenyl ester, butanioc acid 3-hexenyl estertrans-2-hexenyl valerate, theaspirane, gerenylacetone, methyl benzoate and ethyl benzoate.

此外還含有一些少量的1-壬醇、己酸－2-己烯酯野狼社区在线、丙酸－反－2-己烯酯色噜噜狠狠综曰曰曰、丁酸－反－3-己烯酯、戊酸－反－2-己烯酯福利xxxx视频、茶螺烷伊人一区、香葉基丙酮、苯甲酸甲酯你懂的视频在线免费、苯甲酸乙酯和乙酸辛酯等国产肏屄片。

As for VFAs, acetic acid, butyric acid and valeric acid were totally metabolized, the residual VFAs were mainly propanoic acid.

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propanoic acid：丙酸

propanocaine 丙泮卡因 | propanoic acid 丙酸 | propanol 丙醇

propanoic acid anhydride：丙[酸]酐

丙酸 propanoic acid | 丙[酸]酐 propanoic acid anhydride | 乙酸炔丙酯;醋酸炔丙酯 propargyl acetate