1) Structural Isomers of Diphenylmethyl Alcohols
二苯甲醇结构异构体
2) xylene isomers
二甲苯异构体
1.
Progress of membrane separation for xylene isomers;
膜法分离二甲苯异构体研究进展
2.
The latest development of pervaporation separating membranes for xylene isomers;
渗透汽化膜分离二甲苯异构体的最新动态
3.
In this research, Kalman filtering mathematical methods are introduced to determine xylene isomers and the differentiation for xylene isomers chromatographic overlapping peak under certain experimental condition was studied.
运用卡尔曼滤波计算数学对二甲苯异构体进行分析测定。
3) xylene isomer
二甲苯异构体
1.
The pervaporation separation of pure xylene isomer and its binary mixtures through the prepared MFI-type membranes was also investigated.
以无模板剂二氧化硅溶胶为前驱体,用二次生长法在已浸渍分子筛种子层的α-氧化铝支撑体上制备MFI型分子筛膜,采用X射线衍射法、扫描电子显微镜和气体渗透实验表征分子筛膜的性能,研究了单组分和双组分二甲苯异构体在氧化铝支撑分子筛膜的渗透汽化分离性能。
2.
It is difficult to separate xylene isomers with traditional methods, and it has some defect, for example high energy consumption, high pollution and complex process.
传统方法分离二甲苯异构体存在能耗高、工艺复杂和环境污染等缺点。
3.
In this paper,PVA membranes containingβ-cyclodextrin (β-CD)and polyacrylic acid/hydrotalcite(PAA/HT)organic-inorganic hybrid membranes have been prepared for separation of xylene isomers,respectively.
本论文以二甲苯异构体的分离为研究对象,考察了引入β-环糊精(β-CD)聚合物的高分子膜对二甲苯异构体的分离效果,初步探索了含片层状水滑石(HT)的有机-无机杂化膜分离二甲苯异构体的性能。
4) toluene diisocyanate isomers
甲苯二异氰酸酯异构体
1.
To look for a capillary gas chromatographic method of seperating toluene diisocyanate, the columns ability to separate toluene diisocyanate isomers was studied.
选择典型的气相色谱固定液，如SE－30，SE－54，OV－225，芳羧酸酯液晶和环糊精衍生物等涂渍成弹性石英毛细管柱，测定它们对甲苯二异氰酸酯异构体的分离能力。
5) phthalic acid isomers
苯二甲酸同分异构体
6) xylene isomerization
二甲苯异构化
1.
Reaction of hydrogenated pyrolysis gasoline raffinate partly incorporated with isomerization feed stocks,was studied in an experimental unit,using commercial xylene isomerization catalyst and technology.
利用小型临氢装置对裂解加氢汽油抽余油掺兑二甲苯异构化原料的反应进行了研究,考察了正常异构化原料、配制模拟油和抽余油在二甲苯异构化催化剂上的反应性能,进行了工艺条件和稳定性实验,并对简化工艺进行模拟核算。
2.
The problems existing in the operation of catalyst for xylene isomerization in the aromatics plant are studied,and the factors affecting the runing period of the catalyst such as impurities in the materials,lifetime of the catalyst,operating conditions of the isomerization reactor and operating accidents,are analyzed.
针对芳烃装置二甲苯异构化催化剂运行过程中存在的问题 ,分析了原料杂质、催化剂的使用寿命、二甲苯异构化反应器的操作工况、操作事故等因素对催化剂运行周期的影响 ,提出了延长催化剂运行周期的相应对
3.
Effects of steam treating temperature,time and steam flowrate on performance of the catalyst in xylene isomerization were investigated.
对ZSM-5沸石进行水热处理,将其按一定比例与丝光沸石复配制备了乙苯转化型二甲苯异构化催化剂(简称MZ催化剂);在连续流动固定床反应器中评价了MZ催化剂的异构化性能;考察了ZSM-5沸石的水热处理温度、处理时间和水蒸气用量对MZ催化剂异构化性能的影响。
补充资料：二苯甲醇
分子式：C13H12O
分子量：184.24
CAS号：91-01-0
性质：无色针状结晶，熔点69℃，沸点298℃（1.0MPa）、180℃(2.67kPa)。易溶于乙醇、醚、氯仿和二硫化碳。在20℃水中的溶解度0.5g/L。
制备方法：暂无
用途：主要用于有机合成，医药工业作为苯甲托品，苯海拉明的中间体。
分子量：184.24
CAS号：91-01-0
性质：无色针状结晶，熔点69℃，沸点298℃（1.0MPa）、180℃(2.67kPa)。易溶于乙醇、醚、氯仿和二硫化碳。在20℃水中的溶解度0.5g/L。
制备方法：暂无
用途：主要用于有机合成，医药工业作为苯甲托品，苯海拉明的中间体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条