This can make heavy atom derivatization in the presence of reducing agents, difficult and frustrating.
这就使得用重金属原子作同晶置换法遇到了麻烦。
Electron withdrawing groups can enhance the limiting effect for this kind of complexes, but the effect of heavy atom ACTS opposite role.
吸电子基团能增强该类配合物对皮秒激光的限幅效果，而重原子效应则起相反的作用。
In this paper a new procedure is proposed to make full use of the heavy atom information and make the combination between heavy atom method and direct method more efficient.
本文提出一种利用重原子信息的新方法。这个方法能够更充分地利用重原子信息，并能使重原子法同直接法更有效地结合起来。
The difference is that while Atom is more than fast enough to run a web browser, it's typically burdened by a heavy weight OS that hampers the user experience.
不同之处在于当atom(阿童木处理器)运行浏览器已经足够快的时候，它同时还要负担那令人讨厌的笨重的操作系统。
All the Atom specifications are still under heavy development and likely to change before they are standardized, although the essential flavor of Atom will likely remain the same.
所有的Atom规范仍在积极地开发之中，在标准化之前还可能发生变化，虽然基本的Atom风格很可能不变。
Light ones are more easily deflected than heavy ones, so the two forms of carbon get separated, and when each atom reaches a detector at its expected arrival spot, it can be counted.
轻的原子较重的更容易转弯，从而能分离两种碳原子，每个碳原子到达预定的监测点，计数器就会计数。
However the existing methods of solving difference structures have not yet made full use of the angular parts of the heavy-atom contribution.
目前求解差值结构的各种方法均未充分利用重原子给出的相位信息。
An atom contains a tiny heavy nucleus.
一个原子含有一个微小而重的核。
Difference structures are structures subjected to certain mathematical processing, they are introduced for the convenience of solving heavy-atom-containing structures by direct methods.
差值结构是为了便于用直接法求解含重原子晶体结构而引进的一种经过数学加工的结构。
The structure was solved by heavy-atom method.
应用重原子法测定了晶体结构。
The structure was solved by heavy-atom method.
应用重原子法测定了晶体结构。
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