Cabg318 发表于 2025-3-25 04:50:01
2196-498X udies to provide the reader with vivid examples of successfu.Today, K-12 practitioners are challenged to become educational innovators. Yet, little is available to the practitioner to guide their reflection about the design, development, and implementation of these innovations in their own practice倔强一点 发表于 2025-3-25 09:31:35
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Capturing Lessons for Practice, evolving technologies an integral part of their practice. . describes a process for thinking about and reflecting on innovative practice – the design research process. Each of the five phases of the design research process is exemplified by a discussion of how the authors used this process to creatLAITY 发表于 2025-3-26 10:13:14
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lubricated and other extreme tribological conditions. However, few, if any, are inherently lubricious or wear resistant. These materials achieve useful tribological properties by depositing a layer of debris onto the mating counterface; this sacrificial layer is called a transfer film and it shields高原 发表于 2025-3-26 19:14:12
Dawn Hathaway,Priscilla Nortontion is usually required for moving ceramic parts because of their high coefficient of friction under dry sliding conditions. Self-lubricating ceramic composites have been applied in severe operating conditions where conventional lubrication method, such as liquid lubrication, is unavailable. The so