An effect on acidulation of Jin He phosphate rock with additives for raising the aciduation rate is studied and the optimum amount of is determined.
本文研究了添加剂对提高四川金河磷矿酸解速度的影响，并进行了添加剂最佳加入量的选择，实验表明：添加剂的加入，可以加速磷矿的分解，提高过滤系统的洗涤率。
Study on the Features of Magnetic Field and the Sedimentary Structure in Mohe Basin;
漠河盆地重力场特征与沉积构造研究
Provenance Analysis of Middle Jurassic Sediments and Its Geological Significance in Mohe Basin;
漠河盆地中侏罗世沉积源区分析及地质意义
Tectonic Characteristics and Basin Evolution of the Mohe Basin, Heilongjiang Province;
黑龙江漠河盆地构造特征与成盆演化
Analysis of diversity of the plant community in estuary wetland of the Shiwulihe River in the basin of the Chaohu Lake;
巢湖十五里河河口湿地植物群落多样性分析
Species composition and distribution of birds in estuary wetland of Quanzhou Bay;
泉州湾河口湿地鸟类的种类组成与分布
Based on discussing the formation and evolvement of estuary wetland and the characteristics of estuary wetland ecosystem, this article takes pilot studies of the protection and utilization status of the great rivers' estuary wetlands between China and foreign countries, in order to provide determinate reference and revelation of the protection and utilization of estuary wetlands in China.
在分析研究河口湿地形成与演变、河口湿地生态系统特征的基础上 ,对中外大河河口湿地保护与利用现状进行了初步研究 ,以期为中国河口湿地保护与利用提供一定的借鉴和启
This paper also calculated service value and came out the result that the total value of the Yulinhe river wetland ecosystem service was about 43.
御临河流域河流湿地具有非常重要的生态服务功能,包括直接使用价值和间接使用价值。
The function of river wetland is illustrated.
从河流湿地出发,阐述了湿地的重要作用,并以山东省枣庄市台儿庄区为例,对该地区河流湿地的现状、分布以及出现的问题进行了分析,针对该地区提出了一些开发与保护湿地的对策。
Based on statistic materials and remote sensing image data,analysis on the changes of the river wetland of main stream of the Yangtze River(Hubei section) in time and space was conducted by the method of qualitative analysis and landscape index analysis.
随着社会的进步和发展,河流湿地资源作为一种有限的资源面临的压力越来越大。
Research progress in agricultural non-point nitrogen pollution control in riparian wetlands;
滨河湿地对农业非点源氮污染控制研究进展
Correlation between soil total nitrogen content and water content in riparian wetland
滨河湿地土壤全氮含量及其与含水率相关性分析
The microbes amount in riparian wetland of Mengjin section of Yellow River of different land uses and vegetation communities was detected,with analysis of the biodiversity by calculating the Simpson\'s index.
结果表明:受滨河湿地发育与演替的差异影响,不同土地类型和自然湿地不同植被群落土壤细菌、放线菌和真菌总数和辛普森多样性指数差异较大;林地和河滩土壤0～5cm层细菌数量最多,麦地中5～10cm层最多;麦田和林地5～10cm层放线菌数量最高,河滩0～5cm层最大;随着采样深度的增加,河滩土壤放线菌及林地土壤真菌数量减少。
Study on the Features of Gravi-Magnetic Field and the Sedimentary Structure in Mohe Basin;
漠河盆地重磁场特征与沉积构造研究
Structural Characteristic, Tectonic Evolution and Basin Dynamics of Mohe Basin;
漠河盆地构造特征演化与成盆动力学研究
The Geophysical Research of the Structure Characteristics in the Western of the Mohe Basin.;
漠河盆地西部构造特征的地球物理研究
Evolution of Sedimentary and Provenance Analysis in Middle Jurassic of Mohe Basin;
漠河盆地中侏罗世沉积演化与物源分析
MOSHA BASIN IN WEST YUNNAN: A NEOGENE TRANS-RELEASING BASIN CONTROLLED BY THE RED RIVER FRACTURE
受红河断裂控制的晚第三纪走滑松弛盆地——以漠沙盆地为例
Study on Some Species of Ascochyta Collected from Desert Region of Tarim Basin(Ⅰ)
塔里木盆地荒漠地区壳二孢研究(Ⅰ)
Evaluation on Ecological Security of Desertification in Chaidamu Basin
柴达木盆地土地荒漠化生态安全评价
Committee of the Nile Basin Countries
尼罗河盆地国家委员会
Case study of shooting techniques in aeolian sand area of Qaidam Basin
柴达木盆地风成沙漠区地震激发技术的应用
Research on the Desert Water Content,Frozen Soil Depth and Vegetal Cover in the Southern Margin of Junggar Basin at Early Spring
准噶尔盆地南缘初春沙漠含水率、沙漠冻土及植被覆盖率研究
A STUDY OF THE SEISMIC FACIES OF DEVONIAN DONGHETANG FORMATION IN THE TAHE OILFIELD
塔河油田泥盆系东河塘组地震相研究
The surface features of the quartz sand grains from the Cretaceous desert in the Sichuan Basin
四川盆地白垩纪沙漠石英沙颗粒表面特征
THE RECORD OF YOUNGER DRYAS EVENT IN EOLIAN SAND DEPOSIT IN QAIDAM BASIN
柴达木盆地沙漠沉积中的新仙女木事件记录
Microscopic Features on Quartz Sand Grain Surface in the Cretaceous Desert of Ordos Basin
鄂尔多斯盆地白垩纪沙漠石英沙颗粒表面特征
Study on Desert Plant Parasitic Fungi in Tarim Basin;
塔里木盆地荒漠野生植物寄生真菌研究
The Environmental Changes and the Land Desertification of Fenwei Basin over the Past 1.2Ma;
汾渭盆地1.2Ma以来的环境变化与沙漠化过程
Numerical Simulation for the Dynamic Changes of Sandy Land in the Southern Edges of Tarim Basin;
塔里木盆地南缘沙漠动态变化数值模拟
The Impact of Water Resources Development on Desertification and Pauperization in the Minqin Basin;
民勤盆地沙漠化、贫困化与水资源开发利用