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

    考察了固体催化剂2—丙基甲醚合成反应工艺条件

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  • 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极性试剂作为聚砜底膜表面改性试剂。

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

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

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

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

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

    本文环已烷1)—异丙2)—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。

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  • 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甲醇催化剂HM-9512存在通过选择性加成制备1-甲氧基-2-工艺过程

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  • 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BL中心异丙醇脱水催化反应发生在B酸位上。

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  • 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有机溶液变性前后物化性质

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

    对硼氢化还原法制取l- 2 -氨基丙工艺进行改进。

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  • 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动力学过程,不同浓度异丙醇促效果为:15 %异丙醇>10 %异丙醇>5 %异丙醇。

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  • Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.

    采用氢化作为水剂,以丙醇为原料合成硼酸三异丙酯,该方法具有成本低、操作简便、条件温和、的优点。

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  • Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.

    乙酸酯、乙酸3 -甲基丁、乙酸酯、乙酸乙酯、1 -丙醇、1 -丁醇2 -甲基丁醇2 -甲基丁酸乙酯为新红星苹果果实的主要香气成分

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  • Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.

    乙酸酯、乙酸3 -甲基丁、乙酸酯、乙酸乙酯、1 -丙醇、1 -丁醇2 -甲基丁醇2 -甲基丁酸乙酯为新红星苹果果实的主要香气成分

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