<span style="font-family:Verdana;">In work reported here, the dynamic properties and low-velocity impact response of w......

In work reported here, the dynamic properties and low-velocity impact response of woven carbon/epoxy laminates incorpora......

将有垩白与无垩白的籼稻米和粳稻米浸入相同温度的水中，测定浸水时间与稻米吸湿产生裂纹率的关系。结果表明：稻米在水中吸湿后，有垩白......

为了解矿物掺合料掺量对孔结构的影响,采用压汞法测试了不同粉煤灰及磨细矿渣掺量的硬化水泥浆体的孔隙率、孔径分布,采用热分析方......