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- Keywords coking-light benzene;thiophene and derivant;extraction distillation;reactive distillation;ionic liquids; 焦化轻苯;噻吩及衍生物;萃取精馏;反应精馏;离子液体;
- thiophene and derivant 噻吩及衍生物
- Ethanethiol,thiophene and dibenzothiophene as the model sulfur compounds were analysed by FPD(Flame Photometric Detector) in the gasoline. 选择乙硫醇、噻吩和二苯并噻吩作为汽油中的目标检测硫化物,采用火焰光度检测器(FPD)进行分析。
- Manipulates and queries mesh objects and derived mesh objects. 操作和查询网格对象以及派生的网格对象。
- The organic sulfur mainly exists in the form of sulfur wine, sulfide, sulfur dioxide, thiophene and its derivative etc. 有机硫主要以硫醇、硫化物与二硫化物、噻吩及其衍生物等形式存在；
- Built-in types include both primitive types and derived types. 内置类型包括基元类型和导出类型。
- A word or morpheme from which compounds and derivatives are formed. 用于形成复合词或引申字的词或复合语
- Helsinki Securities and Derivatives Exchange, Clearing House Ltd. 赫尔辛基证券及衍生商品交易所及结算所有限公司。
- The study of the Vaccum Ultra-violent photoionization and photodissociation of thiophene and pyridine is performed using synchrotron radiation. 利用同步辐射产生的真空紫外光，研究了噻吩和吡啶的光电离解离过程。
- Conservation and derivation of the mathematical model. 数学模型的引出和守恒。
- Catalyzed by Aluminium trichloride, 3-chloro-l-(2-thienyl)-propanone was prepared through the acylation between thiophene and 3-chloropropinylchloride. 本文着重研究了以傅克酰基化为主的合成路线。噻吩和3-氯丙酰氯在氯化铝的催化作用下,发生酰基化反应合成了3-氯-1-(2-噻吩)-丙酮。
- Synthesis of 2-bromothiophene using thiophene and bromine as raw materials,and glacial acetic acid as solvent was studied. 以冰乙酸为溶剂,通过噻吩和溴反应制备了2-溴噻吩,并探讨了诸因素对产率的影响。
- Authority is a postulate of the moral order and derives from God. 权威是一种道德秩序的主张，并且它来源于上帝。
- Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent. 摘要采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集，得到两者的浓缩液。
- It is unscholarly and derivative, and raises a lot of unanswered questions. 它不象学者所写而且是摹仿的，并且提出很多不能解答的问题。
- The dispersion state and energy property of MoS 2/Mg(Al)O were characterized by determination of adsorption capacity of oxygen, adsorption heat of thiophene and reaction dynamics parameters. 通过对氧吸附量、吸附热及反应动力学参数的测定 ;表征了MoS2 在Mg(Al)O上的分散状态及能量性质 .
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- 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。
