Aryl bromides and aryl chlorides are cheaper and more easily available than aryl iodides.

Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical , electric, magnetic properties.

芳基取代聚炔及其衍生物呈现出光电磁等许多新颖的性能.

The reaction kinetics of synthesizing aryl isocyanate by aryl amine and phosgene was studied.

研究了芳胺和光气反应生成异氰酸酯的反应动力学.

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.

In addition, acid and halogenated hydrocarbons aryl the coupling reaction is a C-C bond important ways.

此外, 芳基硼酸与卤代烃的偶合反应是形成C -C 键的重要途径.

In the reaction of NAE 18 with nitrogen mustard aryl phosphorochloridate, 4-dimethylaminopyridine ( DMAP ) played critical catalytic action.

在合成工作中发现:在NAE18与氮芥芳基磷酰氯的反应过程中, 4- 二甲氨基吡啶 ( DMAP ) 起着关键性的催化作用.

Cesium carbonate catalyzed O-alkylation of phenol to synthesize alkly aryl ethers.

摘要研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚.

Aim To study the synthesis and antitumor activities of some aryl-substituted pteridines.

目的研究多芳基取代蝶啶类化合物的合成及其抗肿瘤活性.

Ten aryl chloroacetates were synthesized by liquid-liquid phase transfer catalysis.

摘要利用液 - 液相转移催化法合成了10种氯乙酸芳酯.

The most effective syhthetic condition for aryl chloroacetates was obtained experimentlly.

讨论了不同反应条件对产率的影响,通过正交实验,探索出了最佳合成条件.

Aryl disulfides, for example, inhibit polyolefin oxidation.

例如芳基二硫化物可抑制聚烯烃的氧化.

Conclusion Subtotal laryngectomy with preservation of arytenoid cartilage is recommended for T 3 laryngeal cancer.

手术的关键是不能损伤杓状软骨及喉返神经,设计好环咽吻合方案.

Our aim was to discuss the cause of laryngeal paralysis and the effect of arytenoid adduction.

探讨喉麻痹的原因和杓状软骨内移术的手术效果.

Objective To improve the diagnosis and treatment of arytenoid subluxation ( AS ) following endotracheal intubation.

目的提高对气管插管后环杓关节半脱位 ( AS ) 诊断和治疗的认识.

As a consequence , she was resentful and suspicious.

这么一来, 她变得满腹怨恨和疑心重重.

As a consequence, the task of configuring a mobile device is getting even more complex.

因而, 正确配置好手机操作系统的工作会变得更复杂.

As a consequence his flock is and dies in its own turn.

结果,羊群流离失所,最终也是丧亡.

As a consequence, their living standards were low.

因此他们的生活水准是很低的.

As a consequence, the Fordist assembly lines were surrounded by large stockpiles of parts.

因此, 福特装配线四周大型储存部分.

Please notethat any costs incurred as a consequence will be invoiced to you.

请注意由此引起的任何费用将由贵方负责.

As a consequence the global bond markets have entered into a bear market.

这导致了全球债券进入熊市.