一个媒体到要取代有上千年历史的媒体一定得有爆炸性的效应。
It WILL take something with a lot more bang to replace a medium that is thousands of years old.
无刷直流(BLDC)伺服控制，可选的3相换轨取代传统的霍尔效应传感器。
For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.
绿地取代了原来的开放式停车场和破败的码头，有助于缓解和改善城市的热岛效应。
The very act of replacing open parking lots and rotting piers with green space is regenerative and ameliorates the "heat island" effect.
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.
基于碳纳米管的场效应晶体管是所有分子电子学器件中最有可能取代MOSFET，并维持摩尔定律的器件，是目前研究的热点。
Carbon nanotube field effect transistor is the study of the Hotspot. It is the device that be most likely to replace the MOSFET and keep Moore's law in all molecular electronic devices.
并对取代基效应作了解释。
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 .
所研究化合物的生物降解性主要与取代基的电子效应有关。
It is also shown that the biodegradability of studied compounds is mainly related to the electronic effect of substitute groups.
讨论了化合物中取代基效应与激光性能之间的关系。
The effects of substituents on laser characteristics are discussed.
作者认为影响聚合物等规度的因素主要是取代基的极性效应。
The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.
本文根据实验数据和电子效应理论，解释了取代苯甲酸三个同分异构体之间酸性强弱的原因。
This article is based on the experimental datas and electron effects. In this paper, we discussed which acidity of three substitutional benzoic acids were stronger and the reason of that.
用自洽场全略微分晶体轨道法对聚茚并茚及其取代衍生物的电子结构进行了计算研究，探讨了取代基效应。
The electronic structures of polyindenoindenes (PInIn) and their derivatives have been studied by self - consistent - field crystal orbital method. The substituent effect is also discussed.
给出了一种利用霍尔效应测量螺线管磁场的新方法：用数字电压表取代电位差计等诸多仪器测量霍尔电势差，进而计算出通电长直螺线管内轴向磁场的分布。
Digital voltmeters, instead of voltage meters and other instruments, are used to measure Hull voltage and then to calculate the axial magnetic induction distribution in charged straight spiral tubes.
研究表明水杨醛亚胺镍配合物中苯环上取代基的电子效应和空间位阻对乙烯聚合活性和聚合物的分子量有所影响。
With increasing the electron withdrawing substituents in the phenoxy ring, the catalytic activity was increased, and the molecular weight of polyethylene decreased.
同时，我们还研究了取代基团的电子效应和位阻效应对反应产率和区域选择性的影响。
At the same time, we have also investigated the influence of the electric effect and steric hindrance effect of the substituents to the yields and regioselectivity.
本文研究了联苯取代物双电荷离子2E谱及其取代基效应和靶气压力影响。
A study of doubly charged ion mass spectra (2E spectra), the substituents effect and the target gas pressure deppendence of biphenyl derivitives was presented in this work.
本文对近几十年来金属配合物取代反应机理及溶剂效应的研究进行了综述。
This paper reviews the research on mechanism and solvent effects on substitute reaction of metal complex compounds in recent decades with more than 80 references.
并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。
At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中，其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
用自洽场全略微分晶体轨道法对聚茚并茚及其取代衍生物的电子结构进行了计算研究，探讨了取代基效应。
The electronic structures of polyindenoindenes (PInIn) and their derivatives have been studied by self - consistent - field crystal orbital method.
然而，有关的PS和EVA取代基的空间位阻效应取消此催化行为。
However, the steric effects related to the substituents of PS and EVA cancels this catalytic behaviour.
然而，有关的PS和EVA取代基的空间位阻效应取消此催化行为。
However, the steric effects related to the substituents of PS and EVA cancels this catalytic behaviour.
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