共查询到20条相似文献,搜索用时 8 毫秒
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善北同志:
你好!
《中华建设》,我翻阅了几遍,内外观均不错,图文并茂,古今结合,中外鉴介,编撰新颖,颇为吸人,真正是城建的一大窗口。可以说一本《中华建设》在手,古今中外城建不愁!真是功夫不负苦心人,亏你奔波、亏你劳累。 相似文献
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编辑同志:
在看完《中华建设》2009年第10期中“建设辉煌六十年”栏目的文章之后,便有了提笔给你们写信的冲动。此时虽已经是午夜时分,但在这个夜深人静的此刻,自己似乎比平常有了更多的感受。 相似文献
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1 引言我国国土辽阔、河流众多,仅流域面积在1000km2以上的河流就有1500条,年平均输沙量1000万吨以上的河流有42条,直接入海泥沙年总量为20亿吨,黄河长江的总输沙量占世界13条大河总输沙量的三分之一,泥沙问题突出。泥沙问题处理的好坏,成为水利、电力、交通和航运工程以及江河防洪成败的关键之一。新中国成立以来,我国广大泥沙科技工作者,在党和政府的领导和支持下,发扬了艰苦奋斗,自力更生的创业精神,成功地研究解决了黄河三门峡工程两次改建中的泥沙问题,长江葛洲坝工程的库区淤积和航道泥沙问题,黄… 相似文献
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《小水电新闻》2004,21(78):32-32
I will be delighted if you could offer me a space in your quarterly publication (SHP NEWS) to express my sincere appreciation and gratitude, flus to my employer, National Electric Power Authority (Nigeria) for giving me the opportunity to be in China as a participant for the 2004 TCDC Intemational training Workshop on Small Hydro Power and Equipment at HRC. 相似文献
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《东北水利水电》2014,(7):71-72
Stability and reinforcement analysis of slope with weak interlayer
XIE Hong-jian, WAN Li
[Abstract] The three weak intedayers, control the stability of the side slope, are exist in the right bank side slope of the dam site, which are found during the field geological survey for a hydro project dam site. Through the investigation of weak interlayer and the analysis of the slope failure mode, the three-dimensional geological model of side slope is built and the physical and mechanical parameters of the rock and the control level are determined. The numerical analysis method is used to simulate the actual excavation and anchoring process for the side slope and to calculate the stress, strain, displacement and plastic zone distribution, stability coetticient of the side slope body in the process of side slope excavation and reinforcement. Some reference basis could be provided for the safe operation of hydropower station by analyzing the calculation result and evaluating the side slope reinforcement effect. 相似文献
XIE Hong-jian, WAN Li
[Abstract] The three weak intedayers, control the stability of the side slope, are exist in the right bank side slope of the dam site, which are found during the field geological survey for a hydro project dam site. Through the investigation of weak interlayer and the analysis of the slope failure mode, the three-dimensional geological model of side slope is built and the physical and mechanical parameters of the rock and the control level are determined. The numerical analysis method is used to simulate the actual excavation and anchoring process for the side slope and to calculate the stress, strain, displacement and plastic zone distribution, stability coetticient of the side slope body in the process of side slope excavation and reinforcement. Some reference basis could be provided for the safe operation of hydropower station by analyzing the calculation result and evaluating the side slope reinforcement effect. 相似文献
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《水利电力机械》2009,(10):79-82
09- 10 -01 The main ways in energy-saving of high capacity power boilers HUANG Xin-yuan~, XING Fan-qin2 ( 1. Shandong University, Jinan 250061, China; 2. Shandong Liyan Power Station, Zoucheng 273517, China) Abstract:The main ways in energy-saving of high capacity power boilers were summarized which include to put more efforts in technical reformation, to strengthen management and adjustment of boiler operation, to tap the energy-saving potential of auxiliary equipment, to research the combustion of low-grade coal, to reduce the accident rate, and etc. Some concrete suggestions were put forward, and several examples were analyzed. 相似文献