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- The addition reaction with hydrogen cyanide is base-catalysed. 与氰氢酸的加成是碱催化的。
- The bactericides of aldehydes and quaternary ammonium salts killed bacteria through nucleophilic additional reaction,infiltration and diffusion resp. 醛类、季铵盐类杀菌剂分别通过亲核加成反应、渗透和扩散杀灭细菌；
- Through additional reaction and catalyzed hydrogenation reaction by Raney-Ni catalyst, a novel N,N-bis (3-aminopropyl)-furanomethylamine was synthesized with furanomethylamine as a starting material. 摘要以呋喃甲胺为原料，通过与丙烯腈加成，再进行加氢还原制备了一种新型的多胺-N,N-二（3-氨丙基）-2-呋喃甲胺。
- They may be modified by the addition reaction of other monomers, such as styrene or acrylic esters. 它们可以被加以其它单体而改性，如苯乙烯、丙烯酸酯。
- Markovnikov's rule is an important rule of product forecasting in alkene electrophilic addition reaction. 马氏规则是在烯烃的亲电加成反应中预测产物的重要经验规则,然而它通常的表述有一定的局限性。
- Because the reaction initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction. 因为反应是由亲电试剂的附加而开始的,所以这个过程叫做亲电加成反应。
- Cyadox was synthesized from benzofurazan by three steps including Beirut reaction, Redox reaction and Addition reaction. 喹赛多的合成路线:以苯并呋咱一氧化物为起始原料,经过贝鲁特缩合、氧化还原反应、西佛碱反应三步反应合成目标产物。
- Medicine intermediate N-ethylethylenediamine(NEED) was synthesized from acrylamide and ethylamine by addition reaction and Hofmann rearrangement. 以丙烯酰胺为起始原料,经乙胺加成后,再经Hofmann重排两步反应后合成了药物中间体N-乙基乙二胺(NEED)。
- The formal addition product, hydrolyzate and esterified product were obtained by addition reaction with 30% hydrogen bromide in acetic acid. 其 3 位乙烯基与溴化氢的加成则分别生成正常溴代产物和水解产物及其酯化产物 .
- PA was first synthesized: Addition reaction of disproportionated rosin and EOwas performed in the condition of catalyst. 本论文先在催化剂作用下以歧化松香为起始原料与环氧乙烷(EO)发生加成反应合成松香聚氧乙烯醚(PA)。
- The printer can set this additional page in here. 这位印刷工把这额外的一页加在这里。
- This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes. 本文报道了锆烯络合物对炔烃的烷基化加成,合成多取代烯烃,产率较高。
- It were introduced that some Addition reaction of carbonyl compounds with allylic metallorganic compounds,and it were discussed by reaction mechanism. 介绍了某些烯丙型金属有机化合物与羰基化合物的加成反应;并通过反应历程予以说明.
- This paper points out addition reaction mechanism and addition fashion and important apllicationof the addition product for silicen hydrogenate. 本文指出硅氢反应加成的反应机理,加成方式及产物的重要用途。
- The shop stuck an additional charge on the bill. 商店在帐单上增收了一笔费用。
- Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction . 因为反应是由亲电试剂的附加而开始的，所以这个过程叫做亲电加成反应。
- He had to pay some additional charges. 他不得不付些附加费。
- The addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule. 以脲醛树脂为囊壁的玫瑰香精微胶囊,其囊壁原料脲-甲醛预聚体的制备,采用了碱催化下的加成反应工艺。
- An additional charge is made for heavy bags. 份量重的包裹要增收费用。
- This paper reviews the reaction of 2-aza-1,3-butadienes,such as Diels Alder reaction,polymerization reaction,hydrolysis reaction,nucleophilic addition reaction. 综述了 2 -氮杂 - 1,3-丁二烯类化合物的主要反应 ,如 :Diels Alder反应 ,聚合反应、水解反应、亲核加成反应等
