Paleosol type是什么意思

用法例句

In this paper, the auther expounds quartz thermoluminescence?sample collect?thermoluminescence dating and annual dose in loess and paleosoil.

阐述了黄土中石英的热释光、样品制备、热释光测年及年剂量等问题 ,对陕西北部洛川黄土中古土壤样品及资料进行了分析和研究 ,在古土壤中石英颗粒的热释光测定 ,得到了满意的结

Many kinds of paleosoils develop in the coal measures of Carboniferous and Permian in southern Hebei, China.

河北南部石炭、二叠纪煤系中发育了多种类型的古土壤。

Late Quaternary Buried Paleosols and Their Parent Materials in the Yangtze Delta;

长江三角洲晚第四纪埋藏古土壤及成土母质

Late Pleistocene Paleosols and Soil-forming Environment at the Southern Flank of the Yangtze Delta;

长江三角洲南翼晚更新世古土壤及其成土环境

Particle-size Features of Chuodun Paleosol and Identification of Its Parent Material;

昆山绰墩古土壤粒度特征及母质判别

Features and significance of paleosols from the Upper Triassic of Jiyuan,Henan;

济源上三叠统古土壤及其意义

Theoretical drawbacks exist in researching the uplift of Qinghai Tibetan Plateau by use of paleosols .

研究表明古土壤在青藏高原隆升研究中理论上存在缺陷 ,同时指出运用古土壤指示环境变化与高原隆升中土壤发生学上易出现的几个研究陷阱 ,如古土壤的多元发生、异源母质、发生特性的多因素成因与分异、古土壤与现代土壤类型的可比性与精准性等。

, paleosols and their record of environmental change, soil evolution since the appearance of human civilization and the main trend of soil and environmental changes in the future.

文章从古土壤及其环境信息、人类文明以来的土壤变化以及未来土壤环境变化的一些趋势 3方面进行综述。

Clay minerals and surface chemical characteristics of soils developed under a palaeosol in lower West Mountain area of Beijing.;

北京西山古土壤母质上发育的土壤之粘粒矿物与表面化学特性

The significance of ecological system trace fossils--Palaeosol;

生态系统痕迹化石——古土壤的研究意义

On the basis of analyses and introduction on recognition,division of types,research method and research significance of palaeosol, reviewed emphases on properties of macro- texture and micro- texture and properties of mineralogy and geochemistry of palaeosol.

古土壤是近年来沉积学研究领域的一个热点。