1)donor[英]['d??n?(r)][美]['don?]给体
1.Advances in Synthesis and Research of A New Kind of Donors Tetrathiafulvalene Vinylogues;一类新型有机给体四硫代富瓦烯插烯物的合成与研究进展
2.It is a potential excellent electron-donor because of its extended conjugated system.以二硫化碳、二甲基甲酰胺为起始原料,亚磷酸三甲酯和亚磷酸三乙酯为偶联剂,利用多步Wittig交叉偶合反应,合成了一种双稠合的四硫富瓦烯衍生物2 (4′,5′ 二甲硫基 1′,3′二硫代环戊烯 2′叉) 5 (4′,5′ 二腈乙硫基 1′,3′二硫代环戊烯 2′叉) 1,3,4,6 四硫并环戊烯,该衍生物具有更为伸展的π共轭体系,因此有可能成为一种优良的电子给体。
3.The methods for synthesis of extended donors oligomeric tetrathiafulvalenes were summarized.概括了伸展的给体—低聚四硫富瓦烯的合成方法,讨论了这些给体的环伏安特性及其电荷转移复合物与自由基阳离子盐的研究进展。
英文短句/例句
1.The phage has replicated and the donor cells have lysed.噬菌体已复制和给体细胞已发生裂解。
2.Study on Synthesis and Photoluminescence Properties of "Donor-Naphthalene-Donor" Type Molecular Materials;“给体—萘桥—给体”型有机发光分子材料的合成及其光致发光性能研究
3.donor-acceptor complex给予体-接受体复合物
4.To pay(a party) too much.付给某人过多给(某团体)过高报酬
5.The doctor gave him a medical examination.医生给他作了体格检查。
6.Code sets assigned to media.给媒体指定的代码组。
7.seal the boat's hull with special paint给船体涂上特种油漆.
8.all-cotton underwear Brings you every comfort.全棉内衣,给您百般体贴。
9.a self-sufficing economic unit.自给自足的经济个体。
10.a closed economic system自给自足的经济体系
11.The doctor takes his temperature with a thermometer.医生用体温计给他测体温。
12.To give bodily, especially human, form to.使具人形给予身体的形状,尤指人体
13.Implementing Joyful P.E. Reducing Burdens in P.E. Class;实施快乐体育 给学生体育课“减负”
14.Aramis: My life is dedicated to think for the spirit, not for the flesh.阿拉米士:我一生奉献给思考性灵,不是给肉体。
15.A Study on the Providers and Their Role in the Provision of the Public Goods in Rural China中国农村公共产品供给主体及其供给行为研究
16.Studies on Microemulsion Formulation for the Delivery of a Combination of Tanshiones and Salvianolic Acids;中药微乳给药体系丹参酮和丹酚酸复合微乳给药体系的研究
17.The nurse took my temperature;it was 38℃(thirty-eight degrees Centigrade).护士给我量了体温,是三十八度。
18.After he had that chill his wife took his temperature.那次寒战以后他妻子给他量了体温。
相关短句/例句
donor-acceptor给体-受体
1.Optimized design of active layers in organic donor-acceptor solar cells;给体-受体型有机太阳电池光敏层的优化设计
2.A pair of chromophores with donor-acceptor properties,coumarin-3-carboxylic acid(3-CCA) and 9-anthracene carboxylic acid(9-ACA),have been intercalated into the layered double hydroxide(LDH),[Zn0.以层状锌铝水滑石为主体,乙二醇为分散介质,通过离子交换法,成功地将一对具有给体-受体性质的生色团香豆素-3-甲酸(3-CCA)与9-蒽甲酸(9-ACA)共插入到层状锌铝水滑石层间。
3.A pair of chromophores with donor-acceptor properties,coumarin-3-carboxylic acid(3-CCA) and 9-anthracene carboxylic acid(9-ACA),were intercalated into the layered double hydroxide(LDH),[Zn0.以层状锌铝水滑石为主体,在乙二醇介质中,通过离子交换法,将一对具有给体-受体性质的生色团香豆素-3-甲酸(3-CCA)与9-蒽甲酸(9-ACA)共插入到层状锌铝水滑石层间,组装得到晶体结构良好的共插层类水滑石,且通过控制离子交换的时间、温度、客体投料比,可制得一系列具有不同摩尔比客体的共插层产物。
3)donor[英]['d??n?(r)][美]['don?]供体,给体
4)donor-accepter给受体系
5)electron donor给电子体
1.A novel MgCl_2-supported Ziegler-Natta catalyst using poly(propylene glycol)dibenzoate (PPGDB) as the internal electron donor for propylene polymerization was prepared.采用聚丙二醇二苯甲酸酯(PPGDB)为内给电子体制备了一种新的丙烯聚合催化剂MgCl2/PPGDB/TiCl4。
2.Propylene polymerization was studied with TiCl4/MgCl2/1,3-diol dibenzoate(LLX)/diisobutyl phthalate(DBP) as catalyst,in which LLX/DBP was used as internal electron donor compounds.对TiCl4/MgCl2/1,3-二醇酯(LLX)/邻苯二甲酸酯(DBP)复配内给电子体催化剂的丙烯聚合行为进行了研究。
3.This paper summarized research and development status of Ziegler-Natta catalyst for polymerization of ethylene and propylene,and focusing on the progress of propylene polymerization catalyst with a new diether compounds as internal electron donor.综述了ziegleer-Natta催化剂在乙烯聚合和丙烯聚合方面的研究开发现状,重点介绍了采用新型二醚化合物作为内给电子体的丙烯聚合催化剂的进展。
6)electron donors给电子体
1.The functions of electron donors in the Ziegler-Natta catalyst system for polypropylene;丙烯聚合Ziegler-Natta催化剂中给电子体的作用
2.Overviews development situation of Basell Z-N catalyst for polypropylene production,emphasizing on the latest development of internal and external electron donors.综述Basell公司聚丙烯Z-N催化剂进展情况,特别介绍了内、外给电子体的最新进展。
延伸阅读
电子对给体分子式:CAS号:性质:按路易斯(Lewis)酸碱理论,电子对给予体是碱。在化学动力学中,如果电子对给予体决定反应过程的速率,则称为亲核试剂(nucleo-phile);相反,如果电子对接受体决定反应速率,则称之为亲电子试剂(electrophile)。