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2-propanol

单词 2-propanol

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[有化] 异丙醇

2-丙醇

时间: 2026-09-29 16:45:50

2-propanol 双语例句

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1·The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated.

考察了固体碱催化剂上2—丙基甲醚合成反应的工艺条件。

2·Polar reagents such as hydrofluoric acid, phosphoric acid, formic acid and 2-propanol were used as surface modification reagents.

采用了甲酸、磷酸、盐酸和弱极性试剂异丙醇作为聚砜底膜表面改性试剂。

3·The 1-amino-3-phenoxyl-2-propanol is prepared with phenol and epoxy chloropropane by means of KOH as catalyst and hydrazinolysis.

以苯酚、环氧氯丙烷为原料,KOH为催化剂,肼解后合成了1—氨基—3—苯氧基—2—丙醇。

4·Under the above-mentioned conditions, the conversion ratio for PO reached 99% and the selectivity for 1-methoxy-2-propanol reached 98%.

在此条件下反应,环氧丙烷转化率可达99%,2—羟丙基甲醚的选择性可达98%。

5·Threc calculating methods of dividing into liquid stratum of cyclohexane (1)-2-propanol(2)-water (3) ternary system liquid-liquid equilibrium have been introduced.

本文对环已烷(1)—异丙醇(2)—水(3)三元部分互溶体系液液平衡实测数据,用三种方法进行了分层计算。

6·A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.

阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。

7·IR results of pyridine adsorption reveal that supported samples have both Bronsted and Lewis acid centers, and 2-propanol dehydration is a Bronsted acid catalysed reaction.

吡啶吸附红外光谱结果显示负载样品同时具有B酸和L酸中心,异丙醇脱水催化反应发生在B酸位上。

8·The physicochemical properties of potato starch were studied with or without modification by hydrochloric acid in anhydrous alcohols, including methanol, ethanol, 2-propanol and 1-butanol.

本文研究了马铃薯淀粉在有机醇溶液中酸变性前后的物化性质。

9·The preparation process for L-2-amino propanol (AP) by reduction with potassium borohydride (PB) was improved.

对硼氢化钾还原法制取l - 2 -氨基丙醇工艺进行了改进。

10·RESULTS: The transdermal osmotic process fitted to a zero order kinetic mechanism. The osmotic enhencer effect of 2 propanol was listed below: 15%> 10%>5%.

结果:药物经皮渗透符合零级动力学过程,不同浓度异丙醇促渗效果为:15 %异丙醇>10 %异丙醇>5 %异丙醇。

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