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键词:白铜合金;管坯;连铸;旋转电磁场 中图分类号:TG 249.7 文献标识码:A Thin-walled tube billets of cupronickel alloy by electromagnetic continuous casting LI Xin-tao1, 2, GUO Zhao-xiang1, ZHAO...: A new method was proposed by imposing a rotating electromagnetic field during horizontal continuous casting of thin-walled cupronickel tube billets. The effects of electromagnetic field on the surface......
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; 文献标志码:A 文章编号:1672-7207(2014)06-1983-09 Calculation method of immersed tube tunnel considering mechanical characteristics... Engineering of Ministry of Education (Tongji University), Shanghai 200092, China) Abstract: Based on structural characteristics of immersed tube tunnel joints, a mechanical model of joint was established......
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shaped tube by solid granule medium DU Bing1, ZHAO Chang-cai1, LI Xue-feng2, HE Xin1, DONG Guo-jiang3 (1. Key Laboratory of Advanced Forging & Stamping Technology and Science, Ministry of Education...) Abstract: To meet the challenge of forming high temperature alloy (GH3044) parts, solid granules medium forming (SGMF) process was adopted for forming a convex ring shaped tube that was used......
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DETERMINATION OF OSMOTIC VELOCITY OF LIQUID MEDICINE IN POROUS CERAMIC TUBE阎玉华,郭婉如,恽怀顺摘 要:<正> Acquiring detail knowledge of the situation about release of medicial liquid is a key problem in clinical practice. By means of imitating the condition in the human body, the authors determined the osmotic velocity of anticarcinogen, antituberculotic......
Application of Large-diameter and Long-span Micro-expansive Pumping Concrete Filled Steel Tube Arch Bridge丁庆军摘 要:IN this artucke the high strength micro-expansive concrete that has been applied on big-diameter and long-span steel arch bridge is researched. The applications show that the concrete has some merits , such as good fluidity, low bleeding......