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造纸成形网制造中提花半自动插接机的应用 被引量:3
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作者 李成忠 《中华纸业》 CAS 2019年第20期47-50,共4页
探讨了提花机系统用于造纸成形网半自动插接。实际应用证明具有插接点预置、自动分交、操作方便、插接点均匀、网面质量好、适应网子类型强的特点,可以用于造纸干网和成形网接口处理,能够满足当前乃至今后多层造纸成形网的插接要求。
关键词 提花机组件 经线可控 插接点预置 自动分交
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Exact Boundary Controllability and Exact Boundary Observability for a Coupled System of Quasilinear Wave Equations 被引量:4
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作者 Long HU Fanqiong JI Ke WANG 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2013年第4期479-490,共12页
Based on the theory of semi-global classical solutions to quasilinear hyperbolic systems, the authors apply a unified constructive method to establish the local exact boundary(null) controllability and the local bound... Based on the theory of semi-global classical solutions to quasilinear hyperbolic systems, the authors apply a unified constructive method to establish the local exact boundary(null) controllability and the local boundary(weak) observability for a coupled system of 1-D quasilinear wave equations with various types of boundary conditions. 展开更多
关键词 Coupled system of quasilinear wave equations Exact boundary control-lability Exact boundary observability
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