• HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.

    净化纤维素氧化纳溶液反应产生一种膨胀碱性纤维素时,HPMC就产生了,这种纤维素化学上没有经过处理的纤维素更易起反应。

    youdao

  • Enrichment of copper in cellulose fibers are increased with the added amount increase. The addition of alkali can promote the enrichment, and the enrichment of fresh Cu is less than the aged Cu.

    纤维素纤维中的富集外加增加而增加有利于富集,陈化铜富集能力大于制铜。

    youdao

  • Industrial application: soluble in water, aqueous alkali, ammonia and cellulose solution, colorless and insoluble in organic solution, mineral oil amorphous substance.

    工业用途溶于碱水溶液纤维素溶液,不溶于有机溶液、矿物油无色无定型

    youdao

  • It was found that the crystalline structure of cellulose could be destroyed by the synergetic effect of alkali swelling, xanthating and grafting;

    纤维素结晶破坏;而当底物没有溶胀,或被碱溶胀没有黄原酸化时,接枝聚合没有明显引起纤维素结晶变化。

    youdao

  • Viscose manufacturing process involves the reaction of cellulose with sodium hydroxide to form an alkali cellulose.

    粘胶生产过程包括纤维素氢氧化钠反应形成纤维素的过程。

    youdao

  • The results showed that the cellulose carbon source which was pretreated with alkali had better denitrification rate (up to 96%), apart from the wooden skin.

    结果表明,以处理作为预处理可明显提高硝化速率脱氮率均96%以上(树皮除外)。

    youdao

  • When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.

    碱性纤维素盐酸反应羧甲基钠盐生成

    youdao

  • The alkali cellulose is then treated with carbon disulfide to form cellulose xanthate.

    纤维素二硫化处理制成纤维素黄酸酯

    youdao

  • The alkali cellulose is then treated with carbon disulfide to form cellulose xanthate.

    纤维素二硫化处理制成纤维素黄酸酯

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定