After check and assessment, construction quality for embankment dam with concrete face slab material filling at chalong Hydropower Station is excellent.
经检查评定查龙水电站面板坝填筑施工质量属优良水平。
Investigated were the surface modes propagating along a hollow dielectric slab waveguide with a left handed material (LHM) substrate or cover, respectively.
详细研究了衬底或者覆盖层是左手材料两种情况下，空心平板波导中的表面模。
Seepage control in dam, design of freezing resistance for concrete face slab, new caulking water sealing material and surface coat on face slab are mainly presented.
本文重点介绍坝体渗流控制，混凝土面板抗冻设计，及新型嵌缝止水材料，面板表面涂料的研究。
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