1) Yongdinghe water system
永定河水系
1.
This paper introduces the general situation of Yongdinghe water system and its pollution sources, investigates and analyzes the present situation of the river-entering outfall in Yongdinghe water system, and based on the evaluation result, comes to a conclusion that the percentage of the pollution load in Shilihe River is the biggest, making up 55.
介绍了永定河水系和污染源概况,调查和分析了永定河水系排污口及入河排污口现状。
2) new Yongding River
永定新河
1.
Experiment of treating the wastewater of the new Yongding River;
永定新河污染水体处理试验
3) Yongding River
永定河
1.
Phosphorus Speciation in Sediments of the Yongding River and Its Significance;
永定河沉积物中磷的存在形态及其指示意义
2.
Mutagenicity of toxic organic pollutants in Yongding River (Guanting Reservoir-Sanjiadian), Beijing;
北京永定河(官厅—三家店)水体有毒有机污染物的致突变性研究
3.
Impact analysis of historical forest change on Yongding River;
历史上森林变迁对永定河的影响
4) Yongdinghe River
永定河
1.
Persistent Organochlorinated Pesticides in Water from Guanting Reservoir and Yongdinghe River, Beijing;
北京官厅水库-永定河水系水体中持久性有机氯农药污染
2.
The study of VOCs in Guanting Reservoir and Yongdinghe River;
官厅水库及永定河水中挥发性有机物分布规律
3.
The Study of Distribution of N, P and heavy metals in Guanting Reservoir and Yongdinghe River;
官厅水库及永定河枯水期水体氮、磷和重金属含量分布规律
5) the Records of the Yong-ding River
《永定河志》
1.
Not until in 1698 had a special organization been set up to harness the river,and the event also promoted the subsequent compiling of two records of the river,the Records of the Yong-ding River and the Continuous Records of the Yong-ding River,which is a good example of the interaction between social changes and historiography.
清政府的治河所为 ,促进了相应的志书编纂 ,先后出现了《永定河志》和《永定河续志》二部志书。
6) Yongdinghe watershed
官厅水库永定河流域
补充资料：永定县
福建省龙岩地区辖县。中国著名烤烟产地。位于省境西南部,毗邻广东省大埔县,面积2223平方公里，人口44.43万；其中归侨、侨眷近7万人，是闽西地区华侨最多的县。明置县。县府驻凤城镇。县境地势自西北和东南向中部倾斜。西北部为中低山，属玳瑁山脉南段；东南部以低山为主，属博平岭西坡。山地中镶嵌有许多小盆地，中部永定河沿断裂下切侵蚀，形成河谷丘陵地带，多侵蚀盆地，以永定盆地为最大。汀江流经县境西南角，永定河自炉下坝附近注入汀江，河床比降大，水力资源丰富。气候属中亚势带与南亚势带过渡地带。农业生产以粮食作物为主，稻麦占95％以上。经济作物以烤烟最突出,色泽金黄，浓郁清香，是中国高级卷烟的原料,永定被列为全国十大优质烟基地之一。盛产茶叶，为闽西主要产茶县之一。 矿产有煤、铁、锰等。 工业有采煤、化肥、水泥、机械等。手工业产品，如永定烟刀、峰市"副榜炉"、高陂小五金等颇著名。
永定县是福建省主要革命老根据地之一，城东建有革命烈士纪念碑，城西金砂是永定暴动旧址。
永定县是福建省主要革命老根据地之一，城东建有革命烈士纪念碑，城西金砂是永定暴动旧址。
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参考词条