大的立体效应阻止在碳上的取代。
Severe steric effects at the reactive carbon would impede the substitution.
大的立体效应阻止在碳上的取代。
Severe steric effects at the reactive carbon would impede the substitution .
本文研究了6，6-二烷基富烯与有机锂反应的立体效应。
The steric effects on the reaction of 6, 6-dialkylfulvene with organolithium have been studied.
并简单讨论了立体效应，反应温度和溶剂效应对此还原反应的影响。
Some influences of steric effect, reaction temperature and solvent effects were discussed.
西洋的服装是立体型的服装，讲究穿着效应，善于显示优美的人体体态，以服装抽象的形式美追求外在造型的舒适性。
Western clothing is stereo type clothing, dress effect, good at showing graceful human body, clothing abstract formal beauty and exterior of comfort.
探讨了在双通路立体声条件下的双耳掩蔽效应。
The binaural masking effect under stereophonic condition is mainly studied in this paper.
丰富城区园林绿化的空间结构层次和城市立体景观艺术效果，有助于进一步增加城市绿量，减少热岛效应，洗尘、减少噪音和有害气体，营造和改善城区生态环境。
Enriching landscape structure and vertical artistic helps to increase green quantity, decrease heat island effect, deduce noise and noxious gas. The urban ecological environment has been improved.
介绍了南京鼓楼地下立体交通工程的特点，工程建设管理经验，以及基于工期效应而产生的不良后果。
The feature of the underground interchange project, the management of project construction , and side-effect based on effect of project period is introduced.
立体画的基本原理就是“墙纸效应”。
The basic principle of autostereogram is so-called" wallpaper effect".
《实验》是利用3d立体影像结合现场舞蹈，探索动作、声音、影像、肢体、空间以及观众之间产生的效应。
Experimentia is a live stereoscopic technology performance in 3d exploring the dynamic feedback between movement, sound and image between virtual bodies and Spaces and the reality of the audience.
固体扩散漫反射吸收光谱研究表明：DBC-ASA处于分子筛SBA 15孔道内，分子筛孔道对DBC-ASA具有立体限域效应。
The solid state diffuse reflectance absorption spectra show that DBC-ASA is located in the channel of the SBA15 molecular sieve, and the channel of SBA15 has stereoconfinment.
固体扩散漫反射吸收光谱研究表明：DBC-ASA处于分子筛SBA 15孔道内，分子筛孔道对DBC-ASA具有立体限域效应。
The solid state diffuse reflectance absorption spectra show that DBC-ASA is located in the channel of the SBA15 molecular sieve, and the channel of SBA15 has stereoconfinment.
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