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Considering the development of high-tech products, due to its complicated properties, a project planning model based on GERT is studied. By analyzing the GERT network description of WBS items of a product development project, the logical relationship of WBS items are defined and analyzed. Taking this as a core, a research of high-tech product project plan dynamic, product development and a case study...
Separation of suspended particles with ultrasonic radiation force suggests advantages in MEMS. But there are some difficulties to position the outlets in MEMS ultrasonic separator based on one-dimensional resonance. In this paper, a new type of MEMS ultrasonic resonance separator, where two anti-phase PZT-transducers are employed to generalize two-dimensional normal mode, is analyzed. This new separator...
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