1)  miscible displacement technique
土柱易混置换法
1.
Based on a case study of a slope in the wind-water erosion crisscross region on the loess plateau,the influence of slope positions and depth of soil on the transport of SeO2-3 in aeolian sandy soil under the laboratorial conditions are studied using miscible displacement technique.
在室内条件下,采用垂直土柱易混置换法,就同一坡面不同坡位及不同深度的风沙土对SeO23在土壤中的运移规律的影响进行了研究。
2)  miscible displacement technique
垂直土柱易混置换法
1.
The solute transport laws and the influence factors of SeO32- in soil under the laboratorial conditions are studied, using miscible displacement technique.
针对重金属污染日益严重的问题,在室内条件下采用垂直土柱易混置换法,研究Se在一维土柱中的运移规律和影响因素,利用CDE模型对SeO32-的运移规律进行了数值模拟,研究了Se在不同土壤、土壤结构和在坡面中的迁移规律,取得如下主要结论: ⑴土壤基本性质的空间分布特征 黄土区有机质含量比较贫乏,固原云雾山地区的灰褐土有机质含量丰富;pH差异不大,其变异系数仅为0。
3)  soil column
土柱
1.
As one part of the research,soil column experiments(10 100 cm) were conducted to understand the heavy metal transport behaviors in soil profile under reclaimed water leaching condition .
本文通过土柱模拟试验,分析中水灌溉条件下重金属在土壤中的迁移趋势及其对浅层地下水的污染风险。
2.
72%,respectively,when they were leached through soil columns,especially in the calcareous soil.
通过室内土柱试验研究了DOM在土壤剖面中的“分馏”作用,DOM在纵向运移过程中的穿透行为及对污染的红壤和潮土中重金属Cu溶出效果的影响。
3.
Through soil columns leaching, the effect of different simulated acid rain on the leaching amount of phosthorus in Chongqing grey purple soil with different fertilizers was investigated.
用不同酸度的模拟酸雨,通过严格的土柱淋洗试验,研究了在不同酸度的模拟降水下,重庆市施用不同肥料的蔬菜地的土壤(紫色土壤)中磷元素(P元素)淋失量的变化情况。
4)  column test
土柱试验
1.
Retardation capability of clay-solidified grouting curtain by column test;
土柱试验研究粘土固化注浆帷幕的阻滞性能
5)  concrete column
混凝土柱
1.
Current status and experimental study on concrete column reinforced with un-bonded steel stranded wire;
配置无粘结钢绞线混凝土柱的现状及试验研究
2.
Prevention of the diseases of embedded tie bar in concrete column;
混凝土柱内预埋拉结筋弊病的防治
3.
Construction quality control of stiffness concrete columns in a certain high-rise residential building project;
某高层住宅工程劲性混凝土柱的施工质量控制
6)  concrete columns
混凝土柱
1.
Experimental study of effects of freeze-thaw cycle on concrete columns strengthened with FRP laminates;
冻融循环对FRP增强混凝土柱影响试验研究
2.
The non-linear deformations of reinforced concrete columns in high-rise building;
高层建筑钢筋混凝土柱非线性变形
3.
, By experimental studies and theoretical analysis on concrete columns covered with Fiberglass Reinforced Plastics (FRP), the restricting effect of covering FRP on the columns is obtained, the FRP's contribution to the increasing of compressstrength of the concrete column is thus known.
通过对钢筋混凝土柱外围覆玻璃钢的试验研究和理论分析,得出外围玻璃钢对柱混凝土的约束作用以及它对提高钢筋混凝土柱抗压强度的贡献,并结合实际工程予以应用,为今后在工程中采用这种加固的新材料作了有益的探讨。
参考词条
补充资料:置换法
分子式:
CAS号:

性质:又称顶替法,排代法。一种色谱分离技术。流动相是置换剂,它与固定相的吸附力或溶解力比样品组分强。样品从色谱柱一端加入,置换剂流经色谱柱,依次将组分置换出来,吸附力或溶解力弱的组分先被置换出来。 

说明:补充资料仅用于学习参考,请勿用于其它任何用途。