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New patent mapping system helps find innovation pathways（图）
patent maps innovation pathways
2014/3/18
What’s likely to be the “next big thing?” What might be the most fertile areas for innovation? Where should countries and companies invest their limited research funds? What technology areas are a com...
A New Algorithm to Calculate the Optimal Inclination Angle for Filling of Plunge-milling
Plunge-milling Plungers Optimal Inclination Angle Residual Volume
2009/8/19
residual volume (inaccessible volume by the plungers) is minimized when selecting a specific direction of filling. This direction is known as the optimal inclination angle for filling of the plunged a...
A New Scheme for Watermarking Engineering Graph
Watermarking Engineering graph U-system U descriptors
2009/8/19
Engineering graph plays an important role in design and manufacture, such as architecture, machinery, manufacture, military. However, almost no persons consider the security and copyright of two-dimen...