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。
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。
The structure was solved by heavy-atom method.
应用重原子法测定了晶体结构。
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。
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。
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