该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

This paper attempts to provide an overview of risk assessment and management practice in underground rock engineering ba......

In this paper, we investigate the performance of adaptive modulation(AM) orthogonal frequency division multiplexing(OFDM......

针对现有的钨矿井下矿车定位系统的布线困难、信息化和可视化水平低等问题，为了更加合理、高效地调度矿车，设计了一种基于ZigBee的无......

2013年10月和2014年3月，利用水下声学设备在洞庭湖水域记录采砂船的水下噪声，以评估其对长江江豚的潜在影响。研究结果表明采砂船水......

In this paper, we investigate the performance of adaptive modulation (AM) orthogonal frequency division multiplexing (OF......

2017 aluminum alloy plates with an ultrafine grained (UFG) structure were produced by equal channel angular processing (......