1997年，考古学家在对明孝陵进行勘查时，发现了一个令人震惊的事实——陵墓内的陪葬品竟然完好无损。这意味着，明孝陵从未遭遇盗墓者的光顾，这在中国历史上是一个不可思议的现象。 明孝陵是我国最大、最重要的帝王陵墓之一，坐落在南京紫金山南麓 ...

Yamamoto偶联 (Yamamoto coupling)又称为Yamamoto聚合 (Yamamoto polymerization)，是过渡金属试剂 (如PdCl2(bipy), NiCl2(bipy), Ni (cod)2,NiBr2(PPh2)2, NiCl2, CoCl2, FeCl2等，其中NiCl2(bipy)与Ni ...

The Convention for the Protection, Management and Development of the Marine and Coastal Environment of the Eastern African Region (Nairobi Convention) and its two protocols (Protected Areas and Wild ...

An outrageous incident happened last week in Nanjing, capital of Jiangsu province. A woman driving a luxury car deliberately ran over the feet of a waitress who tried to prevent her from parking in ...

应美利坚合众国总统威廉·J·克林顿的邀请，中华人民共和国主席江泽民于一九九七年十月二十六日至十一月三日对美国进行国事访问。这是中国国家主席十二年来对美国的首次国事访问。在华盛顿访问期间，江泽民主席与克林顿总统举行了正式会谈。