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High-speed steel W 18 Cr 4 V is commonly used in industries such as blade and mould manufacturers because of its high level of hardness and toughness, red-hardness and resistance. Ion implantation is an effective method to improve the wear resistance of W 18 Cr 4 V. In our investigation, Ta and Ta+N ion implantation was performed on W 18 Cr 4 V high-speed...
Web applications have become complex and crucial in many fields. In order to assure their quality, a high demand for systematic methodologies of Web application testing is emerging. In this paper, a methodology of model-driven testing (MDT) for Web application is presented. Model is the core of this method. Web application model is built to describe the system under testing. Test case models are generated...
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