Trifluoroacetic acid ( TFA) was used as the retaining acid and ammonia liquor as the eluent base. The solvent system was n-hexane-acetic ester-methanol-water ( ratio by volume was 9 ∶ 1 ∶ 5 ∶ 5).

  • 采用三氟乙酸做为保留酸,氨水作为洗脱碱,溶剂系统为正己烷/乙酸乙酯/甲醇/水(体积比为9∶1∶5∶5)。
  • 来源:互联网摘选更新时间:2026-07-13 06:31:26

  • 重点词汇
  • ammonia liquor氨水,粗氨水;
  • ration.比,比率;比例;系数;
  • by volume[化] 按体积计;
  • trifluoroacetic三氟醋酸的
  • acidadj.酸味的;尖刻的;酸的;酸性的;
  • solventn.[化]溶剂,溶媒;解释,说明;解决方法;使瓦解的东西;
  • 9 nine;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • andconj. 和;与;而且;于是;然后
  • 相关例句
1、

Using octahydrate zirconium oxychloride and ammonia liquor ( or sodium hydroxide) as raw materials, through chemical reaction at appropriate hydrothermal condition in high pressure vessel, particulate building and crystal developing are realized from atom and molecule.

以八水合氯氧化锆和氨水(氢氧化钠)为原料,通过高压釜中适合水热条件的化学反应,实现了原子、分子级的微粒构筑和晶体生长。

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2、

Abstract: By the analysis of the structural from of 300m~ 3 mechanical ammonia liquor decanter, the existing problems is given, the improved effect is indicated, and also the further improvement envisagement in future is put forward.

通过对300m~3机械化氨水澄清槽结构形式的分析,指出了存在的问题和改进后的效果,并提出了今后的改进设想。

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3、

Same factors such as ammonia liquor consumption, solution pH, reaction temperature, adding sodium fluoride, etc. were studied. The transforming rate of Na_2SiF_6 and recovery rate of silica are all high by this technology.

实验还研究了氨水的加入量、溶液pH、反应温度、氟化钠的加入等因素的影响,该工艺Na2SiF6转化率较高,白炭黑收率可达97%。

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4、

The results showed as follows: 1. The best ammonia liquor pretreatment condition was to soak it in 6% ammonia liquor at room temperature for 24 h. 2.

研究结果表明:氨水预处理的最佳条件是在室温下用浓度为6%的氨水浸泡24h。

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5、

Skin-coloured nanoparticle ZnO can be also prepared by the process of properly adding ammonia liquor into the mixed solution after the precipitation reaction.

在沉淀反应后的混合液中适当地加入氨水进行处理,最后还可制得肤色纳米氧化锌。

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6、

A new technology of combination of gas stripping and adsorption process and AAO biological treatment process to remove NH3-N in waste ammonia liquor.

介绍了煤气吹脱解吸法与硫铵和AAO生化法联运脱除废氨水中氨氮的新技术。

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7、

The major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.

以粗苯为溶剂萃取脱酚,粗苯的主要消耗是其在处理后氨水中溶解的损失。

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8、

Compared with existing ammonia liquor route, the extraction process gives higher recovery, better product quality, less pollution and lower operating cost.

与原有氨水法相比,本法具有口收率高、质量好、污染少、生产成本低的优点。

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9、

Compared with the process with ammonia liquor, this new process had many advantages of high yield, small pollution and stable quality.

与传统的氨水法相比,液碱法具有产品收率高、污染小、质量稳定及有利于后续处理单元操作的优点。

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10、

A Comment on COG Cooling and Tar and Ammonia Liquor Separating Processes

焦炉煤气冷却及焦油氨水分离工艺的评述

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11、

Control and Analysis Method of Iron Ion ( Fe 2+ 、 Fe 3+) Content in Ammonia Liquor

氨水中Fe~(2+)、Fe~(3+)含量的控制及分析方法

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12、

The Research of Production of Ammonium Nitrate Making From Dilute Ammonia Liquor With Hollow Fiber Membrane

中空纤维气态膜法回收稀氨水中氨制取硝酸铵的研究

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13、

We measure the distributions of crude pyridine in light oil and ammonia liquor.

对萃取脱酚溶剂(粗苯)及氨水中粗吡啶分布进行了测定,并采用蒸馏法富集粗吡啶。

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14、

Modification of surplus ammonia liquor system

剩余氨水系统的改造

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15、

New Technology of Removal of NH_3-N in Waste Ammonia Liquor with Gas Stripping and Adsorption Process

煤气吹脱解吸法脱除废氨水中氨氮的新技术

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16、

Analysis on Ammonia Liquor Selective Absorption Mechanism in A. S Desulfurization Process

A.S脱硫工艺中氨水选择吸收机理的分析

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17、

Study on treatment of residual ammonia liquor from coking plant using flue gas

烟道气处理焦化剩余氨水的研究

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18、

Control index, analysis principle and method of iron ion content in ammonia liquor are introduced

介绍了氨水中Fe2+、Fe3+含量的控制指标及其分析原理和分析方法

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19、

Thus, it is inappropriate to take the fact that disjoin economy or not and has benthamism or not as the standard of "literature conscious".

因而将是否与经学分家与是否具有功利性作为文学自觉的标准是不合适的。

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20、

As the disjoin of the junior middle school and senior middle school, the physics course and its standard of senior middle school began to appeared with complex and detailed content.

由于初、高中的分段,我国首次出现了高中物理课程及其标准,内容更加复杂且详尽。

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