• 一滴甲苯作为防腐剂

    Add 1 drop of toluene as a preservative.

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  • 一滴甲苯作为防腐剂

    Add 1 drop on toluene as a preservative.

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  • 研究了一种制备对氟甲苯工艺

    In this paper, p-fluorotoluene new technology is reviewed.

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  • 目的评价氨甲苯注射液安全性

    Objective To study the security of Aminomethylbenzoic acid Injection.

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  • 6回收甲苯反应影响

    Table 6 Effect of recycled toluene on reaction.

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  • 现有产品含有大量甲苯,具有毒性

    The current products contain a large amount of methylbenzene and are poisonous.

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  • 颜料1甲苯处理的C

    Pigment Yellow 1 and C.

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  • 甲苯生殖毒素

    Toluene is a human reproductive toxin.

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  • 前言: 目的:合成2-对苯甲酸。

    Objective:To synthesize 2-p-tolylbenzoic acid.

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  • 然后,将工业品甲苯放入瓶中,使达到瓶口

    Thereafter the bottle is filled to the lip with commercial grade xylene.

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  • 原料,二甲苯为溶剂精制工业

    The technical fluorene has been refined from the heavy wash oil with xylene.

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  • 气相光催化甲苯连续系统研究湿度催化剂活性影响

    The effects of humidity on the activity were studied in a continuous system.

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  • 甲苯催化制备1,2,4,5 -四甲苯反应体系相色谱分析

    Gas Chromatography Analysis of Reaction System of Preparing 1, 2, 4, 5-tetramethylbenzene.

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  • 根据NASA的相关研究,证明蜘蛛草可以除去空气中的甲醛、甲苯甲苯成分

    In NASA's study, they were shown to get rid of formaldehyde, xylene and toluene.

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  • 根据NASA的相关研究,证明蜘蛛草可以除去空气中的甲醛、甲苯甲苯成分

    In NASA's study, they were shown to get rid of formaldehyde, xylene and toluene.

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