土柱是指用于研究的柱状土体。土柱分为两种：非扰动的原状土柱和重新填装的扰动土柱。原状土柱较好地代表了研究对象的原土壤结构及理化性质。填装土柱可以是经过筛分的一种土壤，也可以是按一定比例混合的几种土壤。填装土柱不能保持原土壤结构，但是适用于一定目的的专门研究。例如，通过改变各种参数（土壤粒径、比表面和矿物组分，土壤水的pH，或土壤的不同混合比例等）研究土壤蒸发、渗流、溶质运移及土壤对特定污染物的吸附性能。土柱是实验室内和田间进行水分运动、溶质运移等研究的重要手段。
... earth coil ==> 测地磁的线圈 earth column ==> 土柱 earth concrete ==> 掺土混凝土 ...
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... 土质工程 geotechnical engineering 土柱 earth-pillars 团聚体构造 aggregate structure ...
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... 土柱 中图分类号：S158 文献标识码：A [gap=1223]Key words： Nitrification inhibitor； Transform； Leaching； Soil column ...
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钢骨混凝土柱 Combined Steel And Concrete Column ; SRC column ; steel reinforced concrete columns ; reinforced concrete columns
混凝土柱 [建] concrete column ; HSTCC
劲性混凝土柱 Composite Steel Concrete Column ; strengthened concrete column
钢心混凝土柱 Steel Cone Concrete Column ; steel core column
钢骨钢筋混凝土柱 Steel Framed Reinforced Concrete Column
混凝土柱帽 concrete cap
钢管混凝土柱 concrete filled steel tubular column ; steel tube-reinforced concrete column ; CFST column
钢筋混凝土柱帽 cap of reinforced concrete column
无筋混凝土柱 plain concrete column
The parameter with small scale soil column test was used to calculate model parameter with large soil tank, and corrected parameter according to measured data.
将小土柱物理模型率定的参数应用到大土槽中,并根据实验结果对参数作了修正。
参考来源 - 饱和A soil column leaching experiment was conducted in two textu reof calcareous soils to evaluate the fate of nitrogen froms of coated urea, ur ea and ammonium nitrate.
采用土柱淋洗试验方法，对包膜尿素、尿素和硝酸铵在石碴土和粘壤质石灰性土壤中氮的行为进行了评价。
参考来源 - 间歇淋洗干湿交替条件下氮肥的氮行为研究 The fate of nitrogen forms of nitrogen fertilizers under alternate leaching and drying conditions·2,447,543篇论文数据，部分数据来源于NoteExpress
用动态土柱法研究芦苇湿地土壤对苯酚的净化效果及其影响因素。
The study on the purification ability of reed wetland soil and influence factors of the phenol by dynamic method was conducted.
利用室内模拟土柱试验研究了红壤积水入渗及土壤水分再分布规律。
Laws of water infiltration and soil water redistribution in red soil were studied through indoor soil column simulated experiments.
探讨土壤剖面中砂质夹层的水分行为，试验采用模拟土柱进行研究。
Simulated soil column experiments were done to study the mechanisms of water reserved by sand interlayer in the profile.
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