环己酮

of determination of cyclohexanone oxime concentration in esters gained in liquid phase Beckmann rearrangement is set up in the paper, which is a basis of the above reaction kinetics.

本文建立了己内酰胺液相重排反应转位酯中环己酮肟含量的测定方法，为环己酮肟液相重排反应动力学的研究奠定了基础。

The acid property of zirconium oxychloride was characterized by means of DTA and FT-IR spectra of pyridine absorbed on the surface.

采用DTA和吸附吡啶的FT-IR表征氯氧化锆的表面酸性，用Hamm ett指示剂测定其酸强度，以催化合成环己酮2，3-丁二醇缩酮为探针反应优化缩酮反应条件，并考察它对其他缩酮反应的催化活性，比较了不同催化剂对缩酮活性的影响。

The acetalization and ketalization of various aldehydes and ketones with catechol by using HY zeolite as catalyst were studied.

研究了 HY分子筛催化邻苯二酚与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正己醛、正辛醛、苯甲醛、二苯甲酮等十余种醛的缩合反应。

It has been reported that some natural compounds containing α- methylene-γ-butyrolactone,α-methylenecyclopentanone,α- methylenecyclohexanone,α,β-unsaturated cyclic ketone moiety possessed significant antitumour activity and antiinflammatory activity as well.

在众多的天然产物中，一些含有α-亚甲基-γ-丁内酯，α-亚甲基环戊酮，α-亚甲基环己酮，α，β-不饱和环酮结构的天然化合物具有显著的抗癌、抗炎活性。

Starain LHG1 could not only utilize the intermediate products of cycloalkanes－clohexanone and cyclopentanone, but also could degrade alkane, aromatic hydrocarbon and phenols, such as liquid paraffin,solid paraffin, naphthalene and phenol.

LHG1菌株能够利用环烷烃代谢的中间产物环己酮和环戊酮。此外，LHG1菌株还能降解液体石蜡、固体石蜡、萘和苯酚等链烃、芳香烃和酚类。

The ketalization of cyclohexanone and 1,4-butanediol catalyzed by the Hβ zeolite was studied.Effects of reaction time,mole ratio of reactants and amount of catalyst on the yield of ketal were studied.Results showed that the Hβ zeolite was an efficient catalyst for the synthesis of ketal.

研究了Hβ分子筛催化1，4-丁二醇与环己酮的缩合生成新型七元环缩酮的反应，考察了反应时间、酮与醇的配比、催化剂用量、催化剂重复使用等因素对醛与醇缩合反应的影响。

Pretreatment of wastewater from pyrimidine production by iron-carbon microelectrolysis -Fenton oxidation process;2. The per-treatment of high strength cyclohexanone wastewater by iron-carbon microelectrolysis -coagulation process was studied, and four affecting factors,i.

研究了用铁炭微电解-混凝工艺预处理高浓度环己酮废水，通过实验确定了铁炭质量比、进水pH值、水力停留时间及曝气时间4个影响因素的最佳条件分别为：铁炭质量比为1∶2，环己酮废水进水pH为2～3，停留时间为4h且有曝气条件下，COD去除率达到55。

HPO process which is composed of cyclohexanone preparation, hydroxylamine oximation and cyclohexanone-oxime rearrangement has been applied widely in Caprolactam Industry.

HPO法生产己内酰胺是应用最广泛的己内酰胺合成工艺，该生产流程主要包括环己酮制备，环己酮肟化和重排三大工序。

The laboratory investigation result showed that the key effect factor on decomposition of hydrogen peroxide was the alkaline environment due to the presence of ammonia in the reaction system of amm oximation of cyclohexanone to cyclohexanone oxime over silicon-titanium zeolite.

在实验室对钛硅分子筛催化环己酮氨肟化制备环己酮肟反应体系中引起H_2O_2分解的原因进行了考察。

Using cyclohexanol as raw material, in presence of sodium tungstate and phosphotungstic acid as catalyst, the technique for oxidizing cyclohexanol to cyclohexanone with hydrogen peroxide were discussed.

以环己醇为原料、钨酸钠和磷钨酸配合为催化剂，探讨了双氧水为氧化剂氧化环己醇合成环己酮的工艺方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。