土柱

tǔ zhù
  • Soil column;pillar;earth-pillar
土柱土柱
土柱[tǔ zhù]
  1. 由于马兰黄土结构特殊,垂直节理发育。采用室内土柱实验会破坏马兰黄土的结构,影响渗透系数,仿真模拟性较差。

    Because the structure of Malan Loess is very special , it developed advanced vertically , using soil pillar in lab would break the natural structure of Malan Loess and influence the filter coefficient .

  2. 利用淋滤土柱的动态平衡试验法,模拟自然降雨入渗条件下,石油类污染物在吉林油田区包气带土层中的迁移转化过程。

    The dynamic balance of the soil pillar leaching experiment is used in this article to simulate the transference and transformation of the oil pollutants in the aeration zone of Jilin oil-field under the conditions of natural rainfall infiltration .

  3. 用土柱实验模拟莠去津在土壤中的运移。

    The transport of atrazine in soil was investigated with soil column experiments .

  4. ~(15)N标识的NO3~-去除的静态和土柱动态模拟试验

    ~ ( 15 ) N-labelled Static and Soil Column Dynamic Simulating Experiment of Nitrate-nitrogen Removal

  5. 稳定元素Sr在土柱中的迁移

    Migration of Stable Element Sr in Soil Columns

  6. 采用实验室土柱法研究了外源水溶性Cd在棕壤中的迁移和形态转化。

    Transportation and form transformation of water-soluble cadmium in brown earth was simulated by virtue of laboratory soil column test .

  7. 淋出液pH的变化,可间接说明砂柱和土柱内胶膜的变化情况。

    The changing of leaching pH , which could indirectly explain the changing of cutans in the sand columns and in the soil column .

  8. 实验结果表明,5CMC(临界胶束浓度)LAS促进了土柱中PAHs的迁移渗透。

    Results show that 5 critical micelle concentration ( CMC ) LAS enhanced the transport of PAHs .

  9. ~3H、~(237)Np(Ⅴ)在土柱中的迁移速度研究

    Study on Migration Rate of ~ 3H and ~ ( 237 ) Np ( V ) in Soil Column

  10. 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。

    The vertical fractionation of DOM and its effect on Cu transport in acidic and calcareous Cu-contaminated soils were studied in column experiments .

  11. 通过土柱实验,研究了污泥中几种重金属元素Cu,Zn,Ni,Ph的运移特点和形态。

    A soil column experiment and an incubation experiment were conducted to study the mobility and forms of Cu , Ni , Zn , Pb in sludge-soil system .

  12. 多环芳烃室内土柱淋溶行为的CDE模型模拟

    CDE model simulation of PAHs transport in laboratory soil columns

  13. 文章涉及稳定元素Sr在现场进行的水平土柱示踪实验和在实验室进行的垂直土柱模拟实验的实验方法和实验结果。

    The methods and results of field tracer experiment in horizontal soil columns and laboratory-simulation experiment in vertical soil columns were presented .

  14. 采用原状土柱进行模拟淋溶实验,比较研究了模拟酸雨和几种低分子量有机酸对红壤pH和交换性Al的影响。

    The effects of acid rain and several low molecular weight organic acids on red soil pH and exchangeable Al was investigated by simulated leaching experiment with undistributed soil column .

  15. 当用于以开始积水时间tp,为判别标志的产流计算模型中,采用小流域、径流实验场的水文资料和室内土柱入渗的实验资料进行模拟计算,结果良好。

    The hydrologic data of small watershed and runoff experiment filed , the experiment data of soil column infiltration in laboratory are used in the model to simulate the excess rainfall , the result is better .

  16. 在全面阐述土壤环境容量模型的基础上,用土柱淋滤试验方法研究首次得出了黄土类土中铬、砷的土壤环境容量分别为95.9kg/ha和12.6kg/ha。

    Utilizing infiltration experiment of soil column , the results show that environmental capacity of Cr and As in loessial soil is 95.9kg/ha and 12.6kg/ha .

  17. 用乙炔抑制-土柱培养法测定反硝化损失,不加乙炔培养则测定土壤N2O排放。

    Ammonia volatilization was measured by an enclosure method , and N2O emission and denitrification loss were measured by without and with acetylene inhibition-soil core incubation technique , respectively .

  18. 根据CT对原状土柱各断面的扫描图像,得到了各断面土壤大孔隙的分形维数,为进一步研究土壤大孔隙的水力性质奠定了基础。

    This study obtain fractal dimension of macropore in every section base on the scanning images of undisturbed soil by CT . It establishes the base for further study the hydraulic characteristics of macropores .

  19. 通过室内土柱淋洗试验,研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。

    Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment .

  20. 研究结果如下:1.根据淋出液Fe、Mn变化,说明砂柱和土柱内胶膜的发育情况。

    Conclusions are as follows : 1.According to the content of Fe-Mn in the leaching solution , which indicated the development conditions of cutans in the sand columns and soil column .

  21. 用FORTRAN语言编写数值计算的程序,并用垂直土柱试验验证了程序的可行性,也与Parlange解法作了比较。

    A FORTRAN program has been processed to solve the numerical equation and has been tested by the experiment of vertical soil column .

  22. 采用室内培养试验和原状土柱试验研究了土壤水分对土壤N2O排放的影响。

    Indoor incubation and undisturbed soil monolith lysimeter experiments were conducted to study the effects of soil moisture on N2O emission .

  23. 土柱实验结果表明:苯胺在RBF中主要通过吸附作用和生物降解作用去除,而真正去除苯胺的作用是生物降解。

    The results showed the biogeochemistry reactions of aniline in soil column were absorption and biodegradation , in which the biodegradation is major action in removing aniline actually .

  24. 采用原状土柱试验研究了5种轮作制度菜地N2O排放。

    It had been studied that soil column test of vegetable field N2O emissions in the five kings of crop rotation system .

  25. 用同位素D2O和KCL作示踪物,在间断灌水的条件下,追踪了D2O和阴、阳离子在土柱中移动的动态。

    Under the conditions of uninterrupted irrigation D_2O and KCL as the tracers traced the kinesis of D_2O , positive and negative ions in the edaphic column .

  26. 利用~(15)N层标记的土柱试验法,研究了蔬菜和大田种植体系中菠菜、小麦两种作物及小麦的两个品种对土壤不同层次标记硝态氮利用的差异。

    The difference on the utilization of labeled nitrate-N in different soil layers between two kind of crops , spinach and wheat , as well as two varieties of wheat was studied by means of soil column experiment .

  27. 无论是咸水还是去离子水淋洗,土柱的饱和导水率基本都是随着SAR的增加而降低到一个极小值,然后随着SAR的升高而增加,且与SAR呈二次曲线的关系。

    HC first decreases to a lowest value and then increases with the increasing of SAR , then increased with the increase of SAR when leached with either saline water or deionized water .

  28. 利用土柱实验结果识别了NH4+在实验土样中的迁移滞后系数并建立了NH4的一维迁移模型。

    The transport lag coefficient of NH4 + in soils was determined by the soil column experiment and the one-dimension transport model was established .

  29. 采用玻璃土柱法研究了125I在华南地区砖红壤和水稻土中的淋溶和垂直迁移。

    The leaching and vertical moving of 125 I in subtropics soils of south China were studied by soil volume .

  30. 采用土柱试验和大田试验相结合的方式研究了硝化抑制剂对菜地N2O排放的影响。

    Investigation on the effects of the nitrification inhibitor of the N2O emissions in vegetable field using combination of soil column tests and field trials .