cyclohexane

Methods : Vitamin A extracted from ChengzhiYuyou by using cyclohexane was determined by using the derivative spectrophotometry.

用环已烷萃取橙汁鱼油中的维生素A后,用一阶导数分光光度法测定其含量.

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Recovery and Purification of Cyclohexane Tail Gas Treatment of Asphalt Oxidation Tail Gas

含环己烷废气的回收净化处理氧化沥青尾气的治理

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The preparation, constitution and application in cyclohexane dehydrogenation of membrane reactor with molecular sieve silicon membranes are studied.

研究了分子筛硅膜反应器的制备、结构、以及在环已烷脱氢方面的应用。

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The mechanism of anionic polymerization of isoprene with cyclohexane and dioxane as solvent was studied and improved by experiment.

推导了异戊二烯在环已烷-二氧六环混合溶剂中的负离子聚合机理，并通过实验进行了验证。

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Researches in the Acidification of Waste Lye Produced by Cyclohexane Oxidizing

环己烷氧化废碱液酸化处理的研究

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Surface bond conjugated TiO 2/ SiO 2 catalyst was prepared by means of impregnation method with cyclohexane solution of tetrabutyl titanate.

采用浸渍法制备了表面键联型TiO2/SiO2固定化光催化剂。

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Using phenylamine and acetic acid as raw materials, cyclohexane and toluene-p-acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料, 环己烷为脱水剂,对 甲苯 磺酸为催化剂,采用正交实验法,探讨了乙酰苯胺合成的适宜工艺条件.

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A set of coupling reactor and distillation column to synthesize cyclohexane was put forward.

改进了固定床和反应精馏合成环己烷的方法,提出了反应器与精馏塔外耦合的新方法.

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The low-temperature heat capacity of cyclohexane was precisely determined with an automated adiabatic calorimeter over the temperature range from 80 to 340 K. The relationship of molar heat capacity of cyclohexane with respect to thermodynamic temperature has been established.

用小样品全自动低温绝热量热计测量了环己烷在80～340K温区的等压摩尔热容，建立了摩尔热容与热力学温度的函数关系，计算了热力学函数的变化量。

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The separation of three-component system of cyclohexane, cyclo-hexene and benzene by extract rectification with a mixed solvent, comprising hexyl dicyanide and dimethyl acetylamine has been studied.

选用己二腈-二甲基乙酰胺组成的混合溶剂，对环己烷、环己烯和苯组成的三元体系进行了萃取精馏。

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A physical and distillation method was applied to the separation of an isopropanol-cyclohexane andisopropanol liquids.

研究了大学物理化学实验中产生的异丙醇 - 环己烷废液的回收利用方法.

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The partition coefficients of phenols in cyclohexane/ water, chloroform/ water, tetrachloride carbon/ water and benzene/ water systems were determined and compared with those in octanol/ water system.

测定了苯酚类化合物在环己烷/水、四氯化碳/水、氯仿/水、和苯/水体系中的分配系数，并建立了这四种体系与正辛醇/水体系分配系数的相关方程。

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The Industrial Applied Research on Cyclohexane Oxidation with Biomimetic Catalyst

环已烷仿生催化氧化工业应用研究

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The heat of wetting in the water and cyclohexane decreased.

对水和环己烷的润湿热呈递减趋势，改性样呈疏水性。

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Results: cholesterol esterase can catalyze the hydrolysis of vitamin E acetate in lecithin/ cholesterd/ cyclohexane reversed micelle systems.

结果：在卵磷脂胆固醇环己烷反胶束体系中，胆甾醇酯酶对维生素E醋酸酯具有催化活性。

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It is sparingly soluble in water, less soluble in ethanol and cyclohexane, insoluble in fats and fat solvents.

它少量溶于水，较小溶于乙醇和环已烷，不溶于脂肪和脂肪剂。

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Organic chemists accepted the theory of the average planar cyclohexane ring.

有机化学家接受了平均平面环己烷的理论.

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TiO_2 nanocrystalline was prepared by a emulsion method in the mixed solvent of cyclohexane and acetic anhydride using titanyl organic compound as the precursor.

以钛氧有机物为前驱体，利用微乳液法制备了纳米TiO2微晶。

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Mechanism of anionic polymerization of isoprene in cyclohexane-dioxane

异戊二烯在环己烷-二氧六环中的负离子聚合机理

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Development and application of evaporating waste lye by oxidizing cyclohexane

环己烷氧化废碱液先进蒸发技术的开发与应用

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The high purity cyclohexane oxide was cyclohexane oxide from 80% cyclohexane oxide by the reation with boron trifluoride ethyl ether, hydramine to produce high boiling point material.

介绍了用80%的环氧环己烷分别与三氟化硼乙醚、羟胺进行反应，将环氧环己烷中的戊醇、酮、醛生成高沸点产物，再进行精馏，从而获得高纯环氧环己烷的方法。

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As results, when being oxidation, the cyclohexane had best performance of antioxidation among the hydrocarbons investigated, while tetralin and butyl benzene had the poor.

结果表明，在氧化反应中，环己烷的抗氧化性能最好，抗氧化性能最差的是四氢萘和正丁苯；

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The effect of Ti on the catalytic properties of pt/ al_2o_3 ⅱ. the dehydrogenation of cyclohexane

Ti对Pt-Ti/Al2O3催化剂反应性能的影响&Ⅱ.环己烷脱氢反应

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This article details the cyclohexanone production process by liquid cyclohexane oxidation and its improvement.

介绍了环己烷液相氧化法生产环己酮的工艺以及其改进情况.

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The phthalic C14 mono ester were prepared by the reaction of tetradecanol with phthalic anhydride in cyclohexane, and sodium phthalate.

以环己烷为溶剂，合成了邻苯二甲酸单十四醇酯，并对反应时间、催化剂及用量、原料配比诸因素进行了考察。

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Research progress on several new processes of cyclohexanone production by cyclohexane catalyzed oxidation is also introduced.

同时,还介绍了几种环己烷催化氧化制环己酮的新工艺研究进展.

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For AB_1 and AB_18, their UV-visible absorption spectra in cyclohexane and surface photovoltage spectra show peaks at 450 nm due to the formation of H-aggregate, which underwent a blue-shift about 30 nm than that of monomer intramolecular charge transfer ( ICT) band in chloroform.

AB18在环己烷中聚集体的吸收光谱及AB1和AB18的表面光电压谱在450nm附近出现H聚集体的谱带，比其在氯仿溶液中单体的ICT带蓝移了30nm左右。

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In order to test the sampling apparatus, the VI, E data of benzene-2-propanol and cyclohexane-2-propanoi systems have been measured.

并用两组文献中的气-液平衡数据检验了自制液上采样系统的可靠性。

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The dispersion of inorganic agent in polypropylene was simulated by using cyclohexane as a dispersion medium.

采用环己烷作为分散介质来模拟无机抗菌剂在聚丙烯中的分散性.

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New methods were established to determine the amount of Mo in the catalyst and to analysis the cyclohexane oxide by using the gas chromatograph ( GA).

建立了催化剂中Mo分析和环氧环己烷气相色谱分析新方法；

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