loessal

基本解释

In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable.
在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。
With the equipment for indoor artificial precipitation and the simulating experiments on sloping plots,the moisture and nutrients permeation laws of loessal sloping land are analyzed primarily.
利用室内人工降雨模拟装置,通过坡面小区试验,初步分析了黄绵土坡面上水分和养分的渗透规律。
Incidentally,it is the first time that the grey incidence analysis method was used to research the influencing factors of settlement and collapsibility of loessal foundation at present.
本文应用灰色系统关联分析法对黄土压缩变形和湿陷变形进行因素分析的研究应是首次尝试。
Abstract: There is a wide distribution of thick loessal sediment around Qiaojia in the Jinshajiang River valley,especially near the Huatan area,Ningnan county,Sichuan province on the left bank.
摘要：金沙江巧家段河谷广泛发育厚层黄土状堆积，尤以金沙江左岸宁南县华弹一带最为发育。
A Study on Origin of Loess Caves in Loessal Plateau
黄土高原地区黄土洞穴的成因研究