18. Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.
19. 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%.
20. METHODS The samples were injected into HP-624 capillary column by headspace sampling and analyzed by using n-propanol as internal standard with FID detector.
方法采用HP- 624毛细管柱,顶空进样法,FID检测器,以正丙醇为内标进行测定。
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21. Threc calculating methods of dividing into liquid stratum of cyclohexane (1)-2-propanol(2)-water (3) ternary system liquid-liquid equilibrium have been introduced.
22. 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.
23. The conversion of methyl propionate and the selectivity to propanol were obviously affected by reaction time, reaction temperature, hydrogen pressure and solvent volume.
反应时间、温度、氢气压力和溶剂体积对丙酸甲酯加氢转化率和目标产物丙醇选择性都有很大的影响。
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24. 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。
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25. 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.
26. 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。
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27. The research of eliminate of Chloro Propanol are mainly focused on the three aspects:remove the remaining grease in the sources, at present we adopt the material which contains less grease;
清除氯丙醇的研究主要集中在三个方面:将原料中残存的油脂去除掉,目前采用了尽可能低的油脂含量的原料;
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28. The research of eliminate of Chloro Propanol are mainly focused on the three aspects:remove the remaining grease in the sources, at present we adopt the material which contains less grease;
清除氯丙醇的研究主要集中在三个方面:将原料中残存的油脂去除掉,目前采用了尽可能低的油脂含量的原料;
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用作名词 (n.)
They also came up with the trick of getting the proteins to assemble themselves in propanol, a type of alcohol, as well as in water. 他们还提出了在丙醇中收集蛋白质的工艺。