环己醇

The effects of various factors on the reaction were studied.It has been found that the optimum reaction conditions are that the amount of catalyst is 13.3% of the amount of cyclohexanol, the reaction time is 80 minutes and the reaction temperature is 200~210℃.

考察了催化剂用量、反应温度、反应时间等因素对脱水反应的影响，得出了其最佳的反应条件：催化剂用量为环己醇质量的13.3%，反应时间80 m in，油浴温度200~210℃。

The results indicated that higher phenol conversion and cyclohexanol selectivity could be obtained under the condition of higher temperature and pressure, and lower space velocity and methanol content, while phenol concentration had almost no effect on the reaction performance.

结果表明，较高的反应温度和压力以及较低的液体空速和甲醇含量有利于提高苯酚的转化率和环己醇的选择性，但是苯酚的浓度对反应性能的影响不大。

The effects of the molar ratio of potassium bromide to cyclohexanol, the amount of water and concentrated sulfuric acid, and reaction time on the yield was investigated.

考察了溴化钾与环己醇摩尔比、水用量、浓硫酸用量、反应时间对产率的影响。

It was found that cyclohexanol was oxidized by NiOOH generated with further electrochemical oxidation of nickel hydroxide during the anodic potential sweep.

结果表明，镍电极在阳极扫描过程中产生的Ni_2发生进一步氧化，所产生的NiOOH能够有效的氧化环己醇。

It was summariyed in thispaper for the technology and experimental methods in use of heatpipe reactors to cyclohexanol and ethyl benzene dehydrogenation reaction processes.

介绍了热管式反应器在乙苯脱氢和环己醇脱氢反应中应用的试验过程和结果。

The hydrophobic cyclohexanol portion provides greasiness that prevents it from dissolving in water.

环己醇结构的疏水性提供防晒品的防水性。

The experimental result showed that the optimal conditions were the molar ratio of potassium bromide to cyclohexanol 1:0.8, H2O 1.5mL,concentrated sulfuric acid 5mL , reflux reaction for 4h, the separated yield was high up to 93%.

结果表明，当反应条件为：溴化钾与环己醇摩尔比1：0.8，水1.5mL，浓硫酸5mL，回流反应4h，分离产率高达93%。

Various alcohols are tolerable under the present conditions including benzylic alcohols,allylic alcohols as well as simple aliphatic alcohols.

普通烷基醇如环己醇，甚至最简单的甲醇和乙醇也能顺利反应，产率中等。在这个反应中，磷钨酸能够顺利回收，并在此被用于催化反应，活性没有降低。

It is argued that the productivity will be improved with the improved measure in the experimental procedure of hexane diacid preparation using potassium permanganate to oxidize cyclohexanol in alkaline solution.

对高锰酸钾在碱性溶液中氧化环己醇制备己二酸的实验步骤提出了改进措施，它可使实验过程简化，实验时间缩短，同时提高产物的产率

The catalyzed oxidation of cyclohexanol with 30% aqueous hydrogen peroxide by mass fraction to produce adipic acid can be achieved using tungstic acid -acidic additive catalyst system in the absence of organic solvents and phase-transfer reagent.

以钨酸-酸性添加剂为催化体系，在无有机溶剂和相转移剂的情况下，催化30%过氧化氢氧化环己醇合成己二酸。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。