With the heavy fraction of FCC naphtha as feedstock, the experiments were conducted in a fixed-fluidized bed reactor over different type of acid catalysts respectively in a reaction temperature range of 400-520 ℃.

  • 以FCC汽油重馏分为原料,采用不同类型的酸性催化剂,在小型固定流化床装置上进行催化裂化反应类型实验,反应温度为400-520℃。
  • 来源:互联网摘选更新时间:2026-07-13 00:47:25

  • 重点词汇
  • temperature range温度范围
  • naphthan.石脑油(一种石油馏分);轻油;粗汽油;
  • heavyadj.重的;超出一般的;大量的;结实的;厚的;难消化的;充满…的;粗壮的;重型的;繁忙的;猛烈的;耗费…多的;严肃的;危险的;阴沉的;泥泞的;沉痛的;
  • FCCabbr.Federal Communications Commission <美>通信委员会;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
  • ofprep. 关于;属于…的;由…制成;
  • differentadj.有差别的,分别的;有差异的;各种的;与众不同;与众不同的;不同的;有区别的;各别的;别致;不平常
  • 相关例句
1、

The TG experiments of SVR and Shenfu coal showed that the reaction temperature range on co-processing was 430~ 490C.

神府煤和胜利减压渣油的热重实验表明430~490℃为煤油共处理适宜反应温度。

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2、

Result The normal crowd increases with age, the pupil area is reduced, the reaction range of pupil light reflex is reduced, lengthened in incubation period is lengthened, the difference has statistics meanings.

结果正常人群随年龄增长,瞳孔面积减小,瞳孔对光反射的反应幅度降低、潜伏期延长,差异有统计学意义。

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3、

The light reflex parameter checked includes pupil area, the largest reaction range, incubation period and the greatest reaction speed.

检查的对光反射参数包括瞳孔面积、瞳孔对光反射的最大反应幅度、潜伏期和最大反应速度。

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5、

Feedback training was effective in control the high state anxiety before competition ( include physiology reaction and psychology reaction);

结果表明:皮温反馈训练对控制赛前高焦虑的生理及心理反应方面是有效的;

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6、

Excessive work pressure will make staff have a series of abnormal reaction in psychology, physiology.

过度的工作压力会使员工的心理、生理和行为产生一系列的异常反应,影响到员工和企业的正常生产和生活,对社会产生严重的后果。

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7、

The essay, through the analysis to the main cause of the teen-agers 'back-reaction psychology, probes into and points out ways and countermeasures to positively prevent and correct teenagers' back-reaction psychology.

通过对青少年逆反心理产生的主要原因分析,探讨并指出积极预防与矫治青少年逆反心理的途径与对策。

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8、

Cause Analysis On the Teen-agers' Back-reaction psychology

青少年逆反心理产生的原因分析

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9、

Considering the space cycle of magnetostatic field is only 7.8 nm, the precise wavelength calculation and the precise radiating power calculation should consider the reaction propulsion of electron.

考虑到静磁场的空间周期只有7.8nm,要精确计算电子在多层膜摇摆器中运动的自发辐射的波长和辐射功率就必须考虑电子的反冲。

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10、

A gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion.

气涡轮产生高温废气用反作用力推进喷气式飞机。

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11、

A device containing its own propellant and driven by reaction propulsion.

包含自己的推进物并用反作用力推进的装置。

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12、

Prediction of performance of reaction rudder behind propeller

反应舵在螺旋桨尾流中的水动力性能

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13、

The condensation-cyclization cascade reaction of aromatic aldehyde with two equiv of 4-hydroxy-6-methyl-pyrone in the presence of acetic anhydride was studied by using ionic liquid as both reaction medium and promoter.

研究了在离子液体介质中,芳香醛和两分子6-甲基-4-羟基吡喃酮在乙酸酐存在下的缩合成环反应,并通过该反应合成了一系列双吡喃酮并吡喃类化合物。

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14、

In other words, the trace amount of HF acts as a reaction promoter and can raise the catalyst selectivity for the alkylation significantly.

这是一个重要和有趣的实验现象,它说明微量HF反应助剂可大幅度提高固体酸催化剂对烷基化反应的选择性。

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15、

Behavior of Trace Amount of HF Reaction Promoter in Alkylation Catalyzed by Solid Acid ⅰ. Promotion Effect of Promoter on Reaction

固体酸催化烷基化反应中微量氟化氢反应助剂的作用Ⅰ.助剂对反应的促进效应

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16、

The basic group, the reaction promoter and the order of addition are all important variables in the glucuronidation.

糖基受体中的碱性基团、反应促进剂和加料顺序都是葡萄糖苷酸化反应的重要影响因素。化合物36和42分别经碱水解,制得苯丙哌林羟基化衍生物的葡萄糖苷酸21和22。

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17、

The result suggested that neurobehavioral function changes in the duplicator operator appeared to be eye hand coordination, memory, reaction speed and the profile of mood state.

结果提示复印可能会引起操作人员在眼手协调性、记忆、反应速度和情感状态等方面的行为功能发生改变。

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18、

~ ( 15) n nuclear resonance reaction and hydrogen profile in palladium

~(15)N原子核共振反应及Pd中的氢剖析

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19、

The results show that the reaction profile of diesel fuel exhaust gas reforming was significantly influenced by the reformer inlet temperature with or without catalyst.

结果表明,无论有无催化剂,重整器入口温度是影响柴油重整反应的主要因素。

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20、

Analysis and Characterization of the Reaction Product of Acrylonitrile, 1-Hexadecylene and Oleum

丙烯腈、1-十六烯和发烟硫酸反应产物的分析和表征

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