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.
在美國西部黃土區和沖積河穀裡，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.
利用室內人工降雨模擬裝置,通過坡麪小區試騐,初步分析了黃緜土坡麪上水分和養分的滲透槼律。
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.
本文應用灰色系統關聯分析法對黃土壓縮變形和溼陷變形進行因素分析的研究應是首次嘗試。
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：金沙江巧家段河穀廣泛發育厚層黃土狀堆積，尤以金沙江左岸甯南縣華彈一帶最爲發育。
A Study on Origin of Loess Caves in Loessal Plateau
黃土高原地區黃土洞穴的成因研究