A Vertical bright trace 垂直一条亮线
The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width.
揭示了煤体边缘水平应力和垂直应力峰值不耦合的规律以及巷道顶板应力峰值随煤柱宽度不同而演化的轨迹。
The vertical profiles of trace elements including rare earth elements (REEs) in the two typical sediment cores of Honghu Lake wetland were investigated using ICP-MS.
采集洪湖湿地两个具有代表性的湖底沉积柱进行对比，应用电感耦合等离子体质谱(ICP - MS)考察了沉积柱中微量元素及稀土元素的纵向分布特征。
It is confirmed by the practical cases that temperature field tracing is an effective measure to trace groundwater seepage with vertical small flow.
工程实例表明，对于垂向流速较小的地下水渗漏进行温度场示踪是有效的方法。
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