river regime

It is concluded that the phenomena of replacement of spatial and temporal process is typical in the erosion development, the coarsen of riverbeds, the sediment concentration and the change of river regime, etc.

分析表明，河流再造床过程在冲刷延展、河床粗化、含沙量及其特征、岸滩侵蚀以及河型变化等方面具有较典型的时空演替现象。

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study on the adjustment of river regime at the wandering reach of the lower yellow river

黄河下游游荡性河道河势调整关系研究

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based on the observed data in the wandering reach at the lower yellow river, the adjustment of river regime is analyzed.

通过黄河下游游荡性河道典型河段河势观测资料，统计分析了河势的调整关系。

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Regulation of bend convex bank channel at river estuary was of great technical difficulties under the prerequisite of not changing the river regime.

河口区弯道凸岸段水深治理，在不改变大河势前提下，其技术难度较大。

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Experimental Study on Regime Relationship and Stability Index Mark of Straight Alluvial River

顺直冲积性河道河相关系和稳定指标研究

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Take the stabilization of the river regime as its basic requirement;

稳定河势河床是河道治理的基本要求；

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analysis on river regime at nanjing reach of yangtze river and abutment arrangement of beijing - shanghai express railway bridge

长江南京段河势分析与京沪高速铁路桥墩布置

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Non-violent contradiction of sand mining with river regime stability and flood control safety;

采砂与河势稳定及防洪安全的矛盾不突出；

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to prevent unfavorable impact of sand mining on river regime stability, flood control safety, navigation safety, water ecological environment protection and normal operation of industrial and agricultural facilities along the river, the sand mining in the yangtze river must be planned unitarily.

为防止采砂对长江河势稳定、防洪安全、通航安全、水生态环境保护以及沿江工农业设施的正常运行带来较大的不利影响，长江河道采砂必须进行统一规划。

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On the basis of site observation and regional survey, river ice development conditions, formation processes, temporal and spatial distributions, classification, annual variations and temperature regime in the Urumqi River basin are discussed.

通过对乌鲁木齐河流域河冰定位观测和实际考察测量资料的分析，简述了河冰发育条件、形成过程、时空分布规律、河冰分类和年际变化原因、河冰温度状况。

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in the natural channel, though the evolution of river regime has a certain randomness, there still due patterns can be followed.

在天然河道中，河势演变虽具有一定的随机性，但仍有一定的规律可循。

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