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chlorinated dimethyl phenol 氯代二甲酚
dimethyl phenol 二甲酚
Clean synthesis of diphenyl carbonate (DPC) by transesterification of phenol and dimethyl carbonate (DMC) has been studied. 针对苯酚与碳酸二甲酯酯交换法合成碳酸二苯酯(DPC)洁净催化反应过程进行了较系统的研究。
The catalytic activities and selectivities of dibutyltin dilaurates for the transesterification of dimethyl carbonate and phenol were studied. 研究了二丁基二月桂酸锡催化碳酸二甲酯和苯酚酯交换反应的活性和选择性。
The real rate of removing phenol is more than99.9%. 与常见的塔设备相比具有设备简单、作灵活,维护方便等特点。
The transesterification of dimethyl oxalate (DMO) with phenol to produce methyl phenyl oxalate (MPO) and diphenyl oxalate (DPO) was carried out on the TiO2/SiO2 catalyst. 使用负载型TiO2/SiO2催化苯酚和草酸二甲酯酯交换反应合成草酸二苯酯。
The transesterification of dimethyl oxalate (DMO) with phenol todiphenyl oxalate (DPO) followed by decarbonylation of DPO to DPC is a promisingnon-phosgene route. 以苯酚和草酸二甲酯(DMO)酯交换合成DPC为一条具有广阔发展前景的非光气法绿色合成工艺路线。
Among them, the transesterification of dimethyl oxalate (DMO) with phenol to diphenyl oxalate (DPO) followed by decarbonylation of DPO to DPC is a promising route. 本研究以DMO和苯酚为原料，通过酯交换反应合成用于制备DPC的甲基苯基草酸酯 (MPO)和草酸二苯酯 (DPO)。
The Dimethyl Sulfate has an annual output of 15,000 tons. 同时我司也是国内最大的磺胺类产品出口基地。
Of, relating to, containing, or derived from phenol. 苯酚的苯酚的，有关苯酚的，含有苯酚的，或从苯酚中提炼的
Dimethyl ether (DME) is produced normally from syngas or methanol. 介绍了二甲醚的应用及其下游产品的开发利用情况。
Dimethyl 5-sulfoisophthalate sodium salt hydrate, 98... 二甲基5-磺酸异邻苯二酸钠盐；
Triethylene glycol dimethyl ether, stabilized, 99%... 三乙二醇二甲醚/三甘醇二甲醚；
Phenol contents and browning in tissue culture of Pistacia vera L. 阿月浑子总酚含量与褐变关系研究。
It is involved in phenol metabolism and membrane function. 这是和酚代谢及细胞膜功能有关。
Further hydrogenation of phenol leads to cyclohexanol very cleanly. 苯酚加氢进一步导致环非常清廉.
Phenol red test was used to observe its expectorant action in mice. 用小鼠酚红实验观察其祛痰作用。
Brown liquid ,mainly consist of phenol ,cresol and xylenol etc. 棕褐色液体，主要由苯酚，甲酚和二甲酚等组成。
Secondly, 2-anisyl phenol is used to increase content of aromatics. 第二，加入邻甲氧基苯酚以增加芳香分的含量。
With HPLC the two-phase nitration of phenol is stud-ied. 利用HPLC研究了苯酚的两相硝化反应。