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- soil profile form 土壤剖面构型
- 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。
- 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。
- A conceiving method of the series of products based on profile form was presented.The product design process named Cluster Control System for Area Lighting was introduced as an example. 摘要提出了一种基于产品形态的系列产品的构思方法,并以区域照明控制系统为例,详细介绍了系列产品进行构思设计的过程。
- 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。
- 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。
- This design has evolved from a previous version seen last year in Japan, where the wave-like main profile formed part of a double-decker layout. 这个设计是从去年在日本所见到的版本中演变而来的,当时主风翼型面是呈波浪形状的,组成了一个双层风翼的布局。
- 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。
- The application of process of vane wheel profile forming can ensure the machining accuracy and improve the productive efficiency. 采用成形铣削加工叶轮型面,保证了加工精度,提高了生产效率。
- 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]
- In condition of uniform stratum and unchanged flow, the process of equilibrium profile forming is similar to a mathematic question-Toboggan slide with the least time. 均质地层和定流量条件下均衡纵剖面的形成过程与最速滑降问题类似。