The effects of forest types on hydrochemical characteristics of streams in Liangshui National Nature Reserve were studied by the comparison experiment of watersheds.
采用集水区对比分析方法，探讨凉水国家级自然保护区不同森林类型对溪流水化学特征的影响。
Based on analysis of hydrological characteristics of the Shule river basin, an overall study, focusing on the hydrochemical characteristics of the river basin, is performed.
在分析疏勒河流域水文特征的基础上，重点对其水化学特征进行了较全面的研究。
Shallow underground water in south of Boxing county has the characteristics of wide distribution, stable reentry and alimetation condition and complicated hydrochemical characteristics.
博兴县南部浅层地下水具有埋藏分布广泛、补排径条件稳定、水化学特征复杂等特点。
This paper analyzes systematically the hydrochemical types and the hydrochemical characteristics of surface water and groundwater in the different aquifers in the Heihe River watershed.
通过银川平原地下水水化学资料分析，证实这种水化学图可用于确定地下水的水化学类型，并进行水文地球化学规律研究。
Through the analysis of hydrochemical composition of natural water in Nushan Lake, the type and fundamental characteristics of hydrochemistry can be determined.
通过对女山湖水体化学成份的分析，确定其水化学类型及基本特征，并对水质进行综合评价。
It has characteristics as single standard element, complicated hydrochemical types, low mineralization degree, wide disparity in single well permissive yield and inhomogeneous distribution in space.
具有达标元素较单一、水化学类型复杂、矿化程度较低、单井允许开采量相差悬殊且地域分布不均等特点。
Acoording to the structures of the region hydrogeology and the characteristics of the geochemistry, the hydrochemical variation reasons of No. 2 well at Puyang area are analyzed.
依据区域水文地质、地球化学环境特征，研究了濮阳市地震台2号井水化动态的变化原因。
Acoording to the structures of the region hydrogeology and the characteristics of the geochemistry, the hydrochemical variation reasons of No. 2 well at Puyang area are analyzed.
依据区域水文地质、地球化学环境特征，研究了濮阳市地震台2号井水化动态的变化原因。
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