A family of new mechanical presses is invented. This type of presess is programmable (including its stroke, speed and acceleration) and energy-efficient (it uses a flywheel to ease the peak energy). Mechanically, it is a 2 degree-of-freedom punching mechanism driven by two different motors (a commo.....
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Stem cell is characterized by its their ability to self-renew and also transformed to various special functioning cells in the body in appropriate conditions. Human mesenchymal stem cells (MSCs) have attracted huge scientific interest as a therapy for various organ dysfunction, due to either degene.....
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Tree structure plays an important role in topology. It appears in many designs in different areas such as data structure and computer networking etc. One of the implementations of tree topology is multi-tree forest. In the multi-tree forest, trees represent different categories and a single node in .....
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