Water footprint in a region is defined as the volume of water needed for the production of goods and services consumed b......

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丽亭餐厅、八面馆（北京丽亭酒店）　　北京丽亭酒店位于著名的王府井商业和购物区，毗邻故宫和天安门广场，为优质服务和时尚舒适住宿赋予......

A complementary metal oxide semiconductor (CMOS) voltage controlled ring oscillator for ultra high frequency (UHF) radio......

A high performance quadrature voltage-controlled oscillator(QVCO) is presented.It has been fabricated in SMIC 0.18μm CM......

A quantitative structure-activity relationship (QSAR) of a series of benzothiazole derivatives showing a potent and sele......

在电镀过程中会发生多种故障,如何有效地分析和排除这些故障是电镀生产的一个重要方面。......

随着计算机网络的蓬勃发展，计算机网络已经成为必不可少的辅助工具，为社会发展带来了很多便利。由于计算机具有一定的交互性，网络技术......