采用自制的实验装置研究了富铈混合稀土时ZL201A合金在凝固过程中的准固态力学性能的影响。
The influence of mischmetal on the mechanical properties and solid-liquid coexisting zone of ZL201A alloy during solidification has been investigated with equipment specially designed.
计算所得的奇数高碳团簇具有准笼状类富勒烯结构，其最低能量异构体都含有一个两配位的碳原子。
The lowest energy isomers of the odd-numbered clusters are cage-like pseudo-fullerenes containing a single two-fold coordinated carbon atom in addition to trivalent carbon atoms.
联合国安理会周二批准向达尔富尔派出共2.6万名士兵和警察，同意在苏丹西部的这个贫瘠地区使用武力保护平民。
The U. N. Security Council authorized on Tuesday up to 26,000 troops and police for Darfur and approved the use of force to protect civilians in Sudan's arid western region.
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