- 更多网络例句与偏三甲苯相关的网络例句 [注：此内容来源于网络，仅供参考]
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A new technology for synthesis of mesitylene from pseudocumene by liquid non-hydroisomerization on M-2 catalyst was studied.
在M-2型复合丝光沸石催化剂上，研究了偏三甲苯液相非临氢异构化合成均三甲苯的工艺。
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So the process is offered using isomerization with separation. 1,2,4-trimethylbenzen is converted to 1,3,5-trimethylbenzen by isomerization. By means of precise distillation mesitylene is separated from products of isomerization as much as possible with high purity. 1,2,4-trimethylbenzen is recycled, at last , more mesitylene is produced and the productive cost is much lower .
为此，本文将催化异构化技术和精密精馏技术结合起来，通过异构化将偏三甲苯转化为均三甲苯，通过精密精馏技术将产物中均三甲苯最大限度的分离出来，得到很高的产品纯度，同时偏三甲苯循环使用，提高了均三甲苯的产量，降低了均三甲苯的生产成本。
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The binary and ternary VLE data of mesitylene, o-ethyl-methylbenzene and 1, 2, 4-trimethylbenzene was measured in this paper and they passed the check of thermodynamics. Then along with the binary and ternary VLE data, the least square method was used to solve vapour-liquid equilibrium model.
采用高温汽液平衡釜测定均三甲苯、邻甲乙苯及偏三甲苯的二元及三元气液平衡数据，并进行热力学一致性检验；采用最小二乘法并结合汽液平衡数据关联汽液平衡模型。
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We determined the relation of the temperature and the content of mesitylene to search the optimium operating condition, which assured the content and the yield of mesitylene high. After pre-treated, the raw material contained only the composition of mesitylene, o-ethyl-methylbenzene and 1,2,4-trimethylbenzene.
本文采用间歇精馏法进行预处理；通过测定馏出温度与组成关系曲线，确定最佳操作条件，以保证均三甲苯的含量及收率较高；预处理后的原料主要含均三甲苯、邻甲乙苯及偏三甲苯。
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The binary and ternary experimental equilibrium data of the composites of mesitylene,1-methyl-2-ethylbenzene and 1,2,4-trimethylbenzene and the infinite activity coefficients γ~∞ are measured in the solvent of DBP .
以邻苯二甲酸二丁酯为萃取精馏溶剂，测定了邻甲乙苯—均三甲苯—偏三甲苯体系的二元及三元汽液平衡数据；编程关联了W ilson模型参数；采用物料平衡三对角矩阵法对萃取精馏过程进行了模拟，得出了萃取精馏塔的最佳操作条件，为萃取精馏法生产均三甲苯提供了基础数据。
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Pseudocumene, mesitylene, 1,2,3-trimethylbenzene and durene among theheavy aromatic hydrocarbon from catalytic reformation in oil refinery areimportant fine chemical materials, they have not only high additional value butalso particularly useful property, therefore, the exploiting and utilizing the sourceof the heavy aromatic hydrocarbon are of large commercial benefit and promisingapplication future.
炼油厂催化重整装置重芳烃中偏三甲苯、均三甲苯、连三甲苯、均四甲苯等都是精细化工的重要原料，不仅附加价值高，而且具有独特的优良性能。因此开发利用重芳烃资源具有较大的经济价值和广泛的应用前景。
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Firstly, for the oxidation reactions of 1,2,4-trimethylbenzene to trimellitic acid, a simplified first-order series-parallel model was proposed, and kinetic equations in constant catalyst concentration and fixed solvent ratio were set up according to the above model.
首先，提出了偏三甲苯液相空气氧化为串、并联一级反应的简化模型。在固定催化剂浓度及溶剂比条件下，建立了偏三甲苯氧化及生成偏苯三酸的动力学方程。
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A new production technology of high-quality trimellitic anhydride with the liquid-phase air-oxidation from 1,2,4-trimethylbenzene was developed.
偏苯三酸酐的生产方法主要有偏三甲苯气相空气氧化法、偏三甲苯液相硝酸氧化法、偏三甲苯液相空气氧化法和间二甲苯甲醛液相空气氧化法。
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The excess molar volumes V~E of {trichloromethane +1,3,5_ trimethylbenzene ,trichloromethane + 1,2,4_ trimethylbenzene ,nitrobenzene + 1,3,5_ trimethylbenzene ,nitrobenzene + 1,2,4_ trimethylbenzene } were determined in the whole range of composition using a vibrating_tube densimeter at 298\^15 K.
在298 15K下，用振动管密度计在全浓度范围内测量了氯仿、硝基苯分别与均三甲苯、偏三甲苯构成的二元液体混合物的过量摩尔体积VE。
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The feedstock was changed from high purity meta- trimethylbenzene to meta- trimethylbenzene blended with 45%-55% mixed trimethylbenzene obtained from the top of the heavy component removal column; the original 3-column separation scheme was replaced by 2 columns; and modified the isomerization reaction system in compatible with the separation system for capacity enlarge.
金陵石化公司炼油厂针对异构化装置生产均三甲苯经济效益不明显的情况，改变了原料路线，在原以高纯度偏三甲苯为原料的基础上掺炼 4 5 %～ 5 5 %的脱重组分塔塔顶混合三甲苯；优化了均三甲苯分离流程，将原来的三塔流程改为两塔流程；进行了异构化反应系统与分离系统相匹配的扩容改造，收到了良好的效果，均三甲苯生产能力由 4 5 0t/a提高到 12 0 0t/a ，收率由 11%提高到 2 2 。0 %～ 2 4 。0 %，纯度由 97.9%提高到 98.9%。
- 更多网络解释与偏三甲苯相关的网络解释 [注：此内容来源于网络，仅供参考]
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unswept region：未波及区
unsurveyed 未测量的 | unswept region 未波及区 | unsym-trimethyl benzene 偏三甲苯
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unsymmetric kernel：不对称核
unsym-trimethyl benzene 偏三甲苯 | unsymmetric kernel 不对称核 | unsymmetrical carbon 不对称碳原子