黄河下游河道整治工程的布局

来源 :水利水电技术 | 被引量 : 0次 | 上传用户:fanxingyi
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
一、黄河下游河道及整治工程的基本情况1.河道黄河在其中游的尾端(河南省孟津县白鹤镇附近)出峡谷以后,河道逐渐展宽,成为堆积性的河流.自白鹤镇至河口河道共长878公里,可分为四个不同特性的河段. First, the basic situation of the lower reaches of the Yellow River and remediation project 1 River Yellow River at the end of the middle (Henan Province, Mengjin County, near Baihe Town) out of the gorge, the river gradually widened to become a heap of rivers. From the crane town to estuary river A total length of 878 kilometers, can be divided into four different characteristics of the river.
其他文献
A quasi three dimensions molecular dynamic method was used to simulate the effect of hydrogen on dislocation emission and crack propagation in nickel. In situ o
The potential energy surface for the CH3S + NO2 reaction has been studied using the ab initio G3 (MP2) method. A variety of possible complexes and saddle point
The title compound, [Mn(salen)(salicyl)]?.5H2O ( H2salen = N, N?ethylenebis- (salicylideneaminato), Hsalicyl = salicylaldehyde), has been obtained from the reac
据有关人士调查分析,我国玩具市场在今后几年内将出现八大竞争趋势: 行业竞争 过去,玩具是由二轻工业归口管理、生产,其他行业认为玩具是“小儿科”,不以为然。如今,不少行
Adsorption equilibria of CH4 and N2 on activated carbon and silica gel were measured for a wide temperature range covering the critical point: 158-298K for CH4,
一、潮汐水轮泵站简介我国第一个利用潮汐能为动力的水轮泵站,于1955年冬在闽侯县城门公社浚边大队兴建,1956年4月竣工放水,安装60—2.5—125型水轮泵一台(转轮直径 D-1=60
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
本刊1983年№3发表的“锥形导水机构关闭时导叶的密合计算”一文, 公式(11)和(13)都是近似公式。本文是在此基础上进一步推导出了准确计算公式,方法简便。 The article publ
作为瑞典汉语教学的重镇之一,隆德大学拥有优秀的教学团队和良好的学习氛围。为了在瑞典现行的高等教育体制下,对瑞典学生有针对性地进行汉语教学,隆德大学中文专业立足语言
On December 23, 2013, a list of the top 10 phrases and topics on the Internet in 2013 was released by baike.com, the largest Chinese-language encyclopedia online, in conjunction with the Chinese Cultu