目的了解和掌握2007年鄂尔多斯市生产批发企业和居民层次碘盐合格及食用情况。方法每个县按东南西北中随机抽取9乡,每个乡抽取4个村,2个村在乡附近,2个乡在“问题地区”或离
对比研究了隧道和大气环境中不同粒径细颗粒物(切割粒径分别为0.03,0.06,0.108,0.17,0.26,0.40,0.65,1.0,1.6和2.5μm)中S,K,Ca,Ti,Mn,Fe,Zn,Pb,Al,Si,Cu和V等12种痕量元素的
Developing cost-effective advanced carbon anode is critical for innovation of sodium ion batteries. Herein, we develop a powerful combined method for rational s
人工流产术是避孕失败的补救方法。但传统手术操作存在一定的盲目性,全凭医生的手感和经验操作,漏吸、吸宫不全及子宫穿孔等并发症时有发生。我院2008年9月引进B超监视妇产科
Organic materials, especially the carbonyl compounds, are promising anode materials for room temperature sodium-ion batteries owing to their high reversible cap
Beyond the traditional focus on improvements in mechanical, electronic and absorption properties, controllability, actuation, and dynamic response of monoliths
目的了解石嘴山市医疗机构消毒效果。方法采用现场调查和抽样检测方法,对辖区内35所不同级别医疗机构卫生消毒质量进行了调查。结果2004~2007年共检测样品1410份,平均总合格
Aluminum (Al) metal has been regarded as a promising anode for rechargeable batteries because of its natural abundance and high theoretical specific capacity. H
本研究分析台湾高高屏地区71个乡镇市区1 364村里2004-2008年的登革热病媒蚊调查资料,并分析每周登革热个案数与病媒蚊各项指标之相关性。依据调查,近5年在高雄县市方面仅高
《广播电视信息》和《有线电视技术》杂志是《广播电视信息》杂志社旗下出版发行的两大专业期刊,是广播电视行业具有影响力的权威性期刊。两本杂志均已被《中国学术期刊网络