1、

This paper describes the advance, preparation and application of Low-methoxyl pectin in detail.

作者就低酯果胶的研究进展 、 制备方法以及应用做一综述.

互联网摘选

2、

Amino 4 methoxyl acetylaniline was synthesized acetylization ofp-methoxylaniline with acetic acid and acetic anhydride, then nitration and reduction.

以对甲氧基苯胺为原料,用冰醋酸和醋酸酐作乙酰化剂,经乙酰化 、 浓硝酸硝化、铁粉还原合成了3-氨基-4-甲氧基乙酰苯胺.

互联网摘选

3、

Objective To investigate the optimal extraction technology of low methoxyl pectin from shaddock peel.

目的研究从柚皮中提取低甲氧基果胶的最佳工艺条件.

互联网摘选

4、

The formation of gel would be due to low methoxyl pectin associated with calcium, which absorbed into dialysis tube when dialysis against running taping water. This deduction agrees with that a high amount of calcium and ash content were detected in these samples.

这主要是由于低酯果胶在自来水透析过程中吸收钙离子形成了凝胶,这一推论与组分中Ca离子含量及灰分含量较高的结果一致。

互联网摘选

5、

By GC-MS analysis it is observed that ketones were transformed into the corresponding alkyl alcohol, methoxyl content was relatively high in the phenolic, and a small amount of cyclohexene is formed.

通过GC-MS分析发现,酮类转化为相应的烷基取代醇,酚类中甲氧基含量相对较高,有少量环己烯生成。

互联网摘选

  • 今日热词
  • 热门搜索

简答网英语词典(dict.jiandongshicai.cn)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:(如需回复请填写联系方式)
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈