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- zonal soil profile 分带土壤剖面
- Depth of first layer of soil profile. 土壤第一层厚度。
- The top layer of a soil profile,usually contains humus. 土壤层中的顶层,通常含有腐殖土。
- A layer loss in soil profile is a sign of soil nutrient loss. 土壤剖面中A层的流失是土壤养分流失的标志。
- Some of the mobilized elements may be reprecipitated at the base of the soil profile. 某些移出的养分可能在土壤剖面底层重新沉淀下来。
- Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile. 降雨次数和降雨量是左右溶质在土壤剖面中沉积位置高低的决定性因素。
- Surface charge properties of five soil samples from zonal soils in China were studied by the improved Schofield method and potential titration method. 用改进的Schofield法、盐滴定法等方法研究测定了我国中南地区 5种不同地带性土壤的表面电荷特性。
- The zonal soils of Hainan province comprises with laterite, savanna soil, mountain lateritic red earth, mountain yellow earth, etc. 海南地处热带,地带性土壤有砖红壤、燥红土和山地赤红壤、山地黄壤等。
- Changes of nitrate-N accumulated in soil profile after changing grain crop land into vegetables land. 粮田改种蔬菜后土壤剖面硝态氮的变化。
- Dissipation increased with soil temperature and decreased with increasing depth in the soil profile. 消散随土温增加,随土壤剖面变深而减少。
- According to the soil profile analysis,the mobility of BaA and BkF was very strong in view of the even vertical distribution. 土壤剖面研究结果表明;BaA和BkF在土壤中的垂直分布比较均匀;显示其在土壤中具有很强的迁移能力.
- During the growing period, HCO-3, Na+ and Cl-increased slightly though the total salt content within the soil profile did not increase. 生育期内土壤剖面上的平均盐分含量没有增加,但对土壤结构与作物有重要影响,Cl-、Na+、HCO-3有增加的趋势。
- Changes of clay mineral association after HGMS for main zonal soils in central and southern China were investigated by means of XRD and chemical analytic methods. 以我国中南地区几种主要地带性土壤为材料,比较了物理、化学方法的浓缩效果,结合X-射线分析,探讨了高梯度磁场分选(HGMS)后土壤胶体的矿物类型、氧化铁种类的变化。
- According to spatial distribution of static sounding test data, the stationarity and ergodicity of the random fields of soil profile were verified. 根据静力触探实测数据,对土性剖面随机场模型的平稳性和各态历经性进行了验证。
- The Formation of Iron Crust in the Soil Profiles of Fukien,China. 福建省土壤剖面中之聚铁层
- Element analysis shows the C/H ratio of humie acid is the lowest in natural vegetation, but it is higher in the under layer than surface in the same soil profile. 元素分析结果,原始植被土壤中腐殖酸的C/H比值最低,同一土壤剖面中其比值下层高于上层。
- We confirm the accuracy and applicability of the ground penetrating radar to be used to estimate mean volumetric water content in soil profile after radar wave velocity analysis. 分析雷达波在土壤中传播速度的变化,明确基于探地雷达的土壤剖面平均含水量测定方法的适用性和准确性。
- It has been found that the moisture contents in soil were related with soil profile, open or close during setting up the orchards and the parent rock deriving the soil. 结果表明,果园土壤含水量与土壤层次、建园时开梯与不开梯以及果园成土母质有关,果园土壤含水量年变化规律与全年每月降水量有关。
- YAN Shu-wang,JIA Xiao-li,GUO Huai-zhi.Examination of stationarity and ergodicity on soil profile[J].Chinese Journal of Geotechnical Engineer-ing,1995,17(3):1-9. [6]闫澍旺;贾小黎;郭怀志.;土性剖面随机场模犁的平稳性和各态历经性验证[J]
- Fan J, Hao M D, Dang T H.Distribution and accumulation of nitrate in soil profile of long-term located fertilizer experiment[J].Soil and Envir., 2000, 9(1): 23-26. [6]樊军;郝明德;党廷辉.;旱地长期定位施肥对土壤剖面硝态氮分布与累积的影响[J]
