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- Construction Quality Control of the Trapezoidal Concrete Lining Channel with Curved Bottom 梯形弧底混凝土衬砌渠道的施工质量控制
- Freezing Damage of Concrete Lining Channels and Prevention Measures 混凝土衬砌渠道冻害及防治措施
- Operate of a drainage channel of width less than 100m with concrete lined bed and grascrete sides, spanning from Yuen Long Main Nullah to Kam Tin Channel, and associated pumping facilities. 营办一条由元朗大明渠伸展至锦田排水道,宽度少于100米,底部中间砌衬混凝土,而两旁则铺砌草面物料的排水道,及相连的泵水设施。
- And the value of the calculation range of the underground concrete lined bifurcated pipes is obtained. 采用有限元法研究了埋藏式钢筋混凝土岔管的计算范围。
- The influence of power line channel noises on the bit error ratio (BER) performance of the OFDM system is analyzed by simulation. 通过仿真,分析了低压电力线信道上各种噪声对OFDM系统误码率(BER)性能的影响。
- How to get the real time channel frequency response in power line OFDM communications by use of the characteristics of power line channel is discussed. 文中介绍了利用电力线信道的性质,在OFDM通信中实时获得信道传输特性函数的方法,并通过实验证实了该方法的有效性。
- Then the noises in the power line channel are analyzed, followed by a study of the OFDM system for its capability to resist the impulsive noise. 仿真结果表明,当信噪比较大,子载波数量足够多时,OFDM对较强的冲击干扰也能够较好地抑制,有效地提高了通信系统的性能。
- Abstract: It is about a designed landscape that recovers a canalized, concrete lined river and become an ecologically healthy, visually pleasing and well-used park. 摘要:这是一个关于河流生态恢复与重建的案例。把一个以防洪为单一目的的硬化河道,用最经济的途径恢复重建为充满生机的现代生态与文化的游憩地。
- The intake dam of the Chuan River irrigation area is the first overflow concrete lined palm bark dam in Yunnan Province. After 28-year operation the overflow surface of the dam is severely worn. 川河灌区取水坝为我省第一座混凝土条支砌的溢流蓑衣坝,经28年运行后,溢流面严重磨损。
- Various types of companies existing concrete lining of steel formwork car, rail, trolley concrete delivery tanker. 公司现有各类型混凝土衬砌钢模板台车,有轨,无轨混凝土输送罐车。
- An anticorrosion method of using modified water glass concrete lining of furan resin for saturators is introduced. 介绍了一种对饱和器采用呋喃改性水玻璃混凝土衬里的防腐蚀方法。
- We have used needle beam telescoping steel form in the Mao-Gong reservoir sediment tunnel in the concrete lining. 在庙宫水库排沙洞的衬砌施工中使用了针梁式混凝土衬砌钢模台车。
- The practice shows that it is effective to decrease the cracking of the concrete lining slab through the active adoption of those measures. 实践证明:通过采取积极的预防及控制措施,对减少混凝土衬砌板裂缝的产生是非常有效的。
- It is difficult to analyze combined work of underground penstock due to the gap among steel lining, concrete lining and rock. 摘要埋藏式压力钢管设计中,钢衬、混凝土衬圈和围岩之间普遍存在着不连续的缝隙,致使设计计算时难以进行联合受力分析。
- For concrete lining construction of long inclined shaft with sleep obliquity and big diameter, the construction technology is complex and difficult. 摘要陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度特别大。
- U-shaped channel concrete lining machine U型渠道混凝土衬砌机
- A Smart Home System Based on Low-Voltage Power Line Channel 基于电力线信道的智能家居系统
- Because two tailrace tunnels of Laxiwa Hydropower Station are big in its diameter,the concrete lining adopted the way of "first bottom and then side and top arch". 拉西瓦水电站两条大洞径的尾水洞,采用先底拱、后边顶拱的混凝土浇筑方式。
- In the structure design composite lining is adopted, including front pre-grouting, grid steel frame, primary shotcrete-bolting support and reinforcing concrete lining. 在超前地质预报工作的基础上,结构设计采用超前注浆堵水、初期格栅钢架喷砼网支护、二次现浇钢筋砼衬砌的复合式衬砌方案。
- Current situation of the insulating and wearing-resistant concrete lining for fluid catalytic cracking units was summarized,and the gap between home and abroad was also discussed. 论述了我国石油化工行业催化裂化装置用隔热耐磨衬里的现状以及与国外先进水平的差距。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries