Carbon is extremely versatile in its ability to form a rich variety of allotropes with a wide range of fascinating prope......

The 5th Asia Pacific Cities Summit is held at Chongqing,China from Oct.11 to 14,2005.Fruitful discussions and exchanges......

AIM: To compare cases of xanthogranulomatous cholecystitis(XGC) and advanced gallbladder cancer and discuss the differen......

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首先,阐述了对质量管理体系和产品保证体系的理解;其次,讨论了质量管理体系和产品保证体系之间的关系;然后,列出了如何将质量管理......

本文以GAD67-GFP基因敲入小鼠为研究工具，利用免疫荧光组织化学双重染色技术观察了小鼠三叉神经脊束核（sipnal trigemlnal nucleus，V）......

二十世纪八十年代美国经济出现了经济停滞和通货膨胀并存的"滞胀"现象.里根政府采取有效政策,使美国经济出现了高利率、高投资和高......