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- electrophilic reactivity 亲电子反应性
- Reactivity of electrophilic substitutions of different positions on phenanthrene are discussed according to the theory of Resonance,PMO method and EHMO method. 利用共振论、PMO法、EHMO法;对菲亲电取代反应各位点的活性进行了解释.
- They differ in solubility and chemical reactivity. 它们在溶解度和化学反应活性上有差别。
- Stability and Reactivity The product is stable. 稳定性与反应特性这个产品是稳定的.
- Organometallic Reagents, Reactivity and Basicity. 醇的合成（已知方法和新的策略）。
- The Alkene Double Bond: A Focus of Reactivity. 21烯烃的双键：重点是反应活性。
- The results show that metakaolin has a high hydration reactivity. 结果表明偏高岭土具有较高的水化活性。
- How is hyperplasia of reactivity lymph node treated? 反应性淋巴结增生怎样治疗？
- Steel reactivity will affect the extent of underestimation. 钢铁的活性将影响低估的程度.
- AIM: To study the effect of Radix Astragali injection on the airway reactivity. 目的:探讨黄芪注射液降低气道反应性的作用.
- It is very difficult to sulfonate PES by electrophilic aromatic substitution reaction. 同时通过改变氯磺酸与聚醚砜的摩尔比,可以对反应进行控制。
- Pressure effects on the stabililty and reactivity of methanol dehydrogenase. 压力对甲醇脱氢酶稳定性及再活性的影响。
- 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。
- Shanghai Pudong Veolia Water guarantees optimal reactivity to its clients. 保证能对上海浦东威立雅水务公司的客户作出最佳的反应。
- Synthesis of the substance from aniline and hexafluoroacetone involves electrophilic addition,acylation and reduction. 其合成一般是以苯胺和六氟丙酮为起始原料,经过亲电加成、酰化和还原三步反应。
- Using TGA,reactivity of biomass char in CO_2 atmosphere was studied. 利用热重分析仪研究了CO2气氛下的生物质半焦的反应性。
- Electrophilic aromatic substitution takes place at C5 requiring Activating groups. 在有活化基的情况下可以在C5发生亲电芳香取代反应。
- There was positive reactivity between 3C2 and Schistosome eggs in PVF-COPT. 初步结果表明：该株单抗3C2在PVF－环卵沉淀试验中呈阳性；
- It will become deepen to the students' recognization in mechanism of Aryl electrophilic substitution. 这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识。
- The rate constants of radical and electrophilic addition to alkenes are dominated by different factors. 烯烃的自由基加成和亲电加成速率受不同的因素控制。
