Organic light-emitting diode (OLED) displays are thinner, lighter, power saving, and are more responsive than liquid crystal displays (LCDs). Present designs of double-sided displays involve physically putting two displays in one back-to-back assembly. This limits OLEDs to very few commercial applic.....
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The invented double-balanced quadrature-input quadrature-output divider (QIQOD) is based on conventional multiplier-based regenerative dividers but employs four different feedback loops with appropriate phase shifts. By making use of quadrature phase outputs from any quadrature signal generator, the.....
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Schisandrin B is an extract from a Chinese medicine, which is well known of treating various cardiovascular diseases and many other conditions.The invention reveals the method of preparation of Schisandrin B, and how to use it in prevention and/or treatment of heart diseases or other related conditi.....
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