1) key horizon
知土层
2) soil layers
土层
1.
Dynamic reliability calculation for random seimic response of soil layers;
土层随机地震反应的动力可靠度计算
2.
According to the data of field investigation for tea garden soil in Meng Ding mountain,the soil chemical properties and nitrogen mineralizations were analyzed under different cultivation years and different soil layers,through determination of chemical properties,mineralization-culturing experimentation.
为探讨蒙顶山茶园土壤肥力和供氮能力,本研究以茶园土壤为对象,实地采样,通过土壤基本化学特性测定和矿化培养实验,分析蒙顶山茶园不同种植年限和不同土层土壤的基本化学特性变化及土壤氮素矿化特征,以期为拟定合理的施氮量和提高氮肥的利用率提供科学依据。
3) soil
[英][sɔɪl] [美][sɔɪl]
土层
1.
Water jet soil reaming technology and its influencing factors;
水射流土层扩孔技术及影响因素
2.
Equation of soil bore enlarging with submerged water jet and experimental study;
淹没水射流土层扩孔方程
3.
In this paper,according to the result of the seepage tests wihich have been camed out in laboratory and in the solar poned of production for Qinghai potash first phase and second phase, permeability and physical charcacter and their Influent factors of soil on solar ponds field are analyzed systematically; In the end, the seepage controlling means for solar.
本文从青海钾肥厂一、二期工程盐田场地的野外与室内渗透试验结果出发，较系统地分析了盐田场地土层渗透性、土层自身物理力学性质和外界条件对其渗漏性的影响与改变；最后提出了对青海钾肥二期工程拟建盐田应采取的防渗措施。
4) soil layer
土层
1.
Different technology measures are selected according to different geological conditions including soft soil layer,sand layer and fracture zone.
对青岛当地锚杆施工工艺进行总结,分别针对软弱土层、砂层、破碎带等不同地质状况采用不同施工技术措施,取得了较好的效果。
2.
A simplified formula for calculating effects of the vertical seismic motion on the shear strain increment on the surface of soil layers is obtained by averaging six different incident waves.
简化公式中包含了场地类别、竖向和水平峰值加速度比、输入水平加速度峰值和土层厚度等主要影响因素,便于工程应用。
3.
In allusion to drilling well cofferdam grouting antiseepage in riverside pump house,authors discuss hydrofracture grouting theory in soil layer,its design method and construction steps.
针对江边泵房井筒围堰注浆防渗,探讨了土层劈裂注浆的原理、方法和施工要点。
5) soil horizon
土层
1.
Large scale soil survey and mapping based on the spatial variation of soil horizons.;
基于土层空间变异性的大比例尺土壤调查制图研究
2.
Model foundation is built in model shafts of laboratory test tank and WJP is drived in different soil horizons temperature.
在室内试验模型槽内构筑模型地基,在不同的土层温度下打设湿喷桩。
补充资料：土层
1.土地的表层。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条