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promotor for alkylation 烃化促进剂
Bolted Bonnet Gate Valves for Alkylation service (HF Acid service see page 19). 适用于烃化物应用领域的螺栓阀帽闸阀（氟化氢酸应用领域请参阅第19页）。
Bolted Bonnet Gate Valves for Alkylation service (HF Acid service see page 19 ). 适用于烃化物应用领域的螺栓阀帽闸阀(氟化氢酸应用领域请参阅第19页)。
The influ-ence factors for alkylation, such as dosage of catalyst, reaction temperatures etc. were discussed in detail. 对离子交换树脂进行了筛选,并对催化剂用量、反应温度、反应时间等对烷基化反应的影响因素进行了详细讨论。
The acid sites of zeolite Y catalysts for alkylation of aromatics with long-chain alkenes are determined with IR and TPD. 用IR和TPD方法,研究了长链烯烃与芳烃的烷基化反应的Y型沸石催化剂的酸性对反应的作用。
Deactivation and regeneration of QZ-2000 catalyst for alkylation of benzene and propylene to synthesize cumene were studied. 对苯和丙烯烷基化反应合成异丙苯的QZ-2000烷基化失活催化剂进行了失活原因及再生条件的研究。
Abstract: A dynamic equilibrium stage model of the suspension catalytic distillation process for alkylation of benzene with C12 olefins is developed. 摘要: 建立了苯与十二烯烷基化悬浮床催化精馏过程的动态平衡级模型，模型对过渡过程达到定态时的系统性能预测与定态实验数据和定态模拟结果吻合良好．利用模型模拟，就苯的进料位置、苯和混合烃进料流量的正向扰动对系统性能的影响进行了研究．结果表明：在给定条件下系统仅存在一个定态；
Using heteropoly acids as an alkylation catalyst is a new attempt. various propertiesof heteropoly acids for alkylation catalyst were investigated. 以杂多酸（磷钨酸和磷钼酸）作为烷基化催化剂是一种新的尝试。
The yields are influenced by the substituents with high yields for phenyl group and low yields for alkyl groups. 反应产率受取代基影响较大,苯基取代时产率较高,烷基取代时产率较低;
A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
Zeolite Y,modified by exchanging of ions,has proper surface acidity and pore structure,and is suitable for alkylation of benzene with long linear chain olefins to produce LAB. 利用Y型分子筛为原料，经过离子交换改性，合成了具有一定表面酸性和孔结构的固体酸催化剂，用于苯与长链烯烃的烷基化反应合成烷基苯，效果良好。
Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗？
I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
It is very unwise for the girl to marry him. 这女孩嫁给他是很不明智的。
She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
He took out a fire insurance policy for his house. 他为自己的房子办理了一份火险保险单。
The critical micellar mass concentrations are determined as 0?03% for sodium dodecyl sulfate (SDS) water solution and 0?05% for alkyl polysaccharide glycoside (APG). 根据活性剂含量与水合物储气量的关系;确认十二烷基硫酸钠(SDS)和烷基多糖苷(APG)在水合物形成体系中的临界胶束质量分数分别为0 03%25和0 05%25.
He was had up for dangerous driving. 他因危险驾驶而被控告。
He's been in and out of prison for years. 他多年来屡次进出监狱。
That lucky guy is a choice pickup for the girls. 那位幸运的男孩是女孩子们想把上的人。