以下为句子列表：
英文: A non-equilibrium model was established to simulate the catalytic distillation process in the preparation of ethylbenzene from dry gas.
中文: 摘要针对催化蒸馏法干气制乙苯过程，建立非平衡级模型，并进行了计算机模拟。
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英文: Based on the simulation results, the effect of operation conditions on the catalytic distillation in preparation of ethylbenzene from dry gas was analyzed, meanwhile, an optimum condition was proposed.
中文: 以模拟结果为依据，考察了各工艺条件的影响，并提出了催化蒸馏法干气制乙苯过程适宜的工艺条件。
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英文: The catalyst for ethylbenzene dehydrogenation with high mechanical strength was prepared by optimizing chemical composition and adjusting preparation condition.
中文: 实验结果表明，通过优化催化剂的化学组成，改进催化剂的制备条件，完全可以开发出机械强度好的低钾乙苯脱氢催化剂。
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英文: The factors which influence the mechanical strength of the catalyst for ethylbenzene dehydrogenation to styrene with low potassium were discussed.
中文: 摘要考察了各种因素对低钾乙苯脱氢制苯乙烯催化剂机械强度的影响。
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英文: This regulation prescribes the concentrations of benzene, toluene and dimethylbenzene in air forresidential area by gas chromatograph method.
中文: 本标准规定了用气相色谱法测定居住区大气中苯、甲苯和二甲苯的浓度。
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