Omega-3 fatty acids, especially docosahexaenoic acid (DHA), have profound health effects on humans and animals. Currently, DHA serves as a popular health supplement for humans. It is also incorporated in aquaculture feeds in the form of fish oil to maintain vitality and enhance the survival rate of .....
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This invention belongs to the area of medicinal and health products. The invention provides a traditional Chinese medicinal formula and its preparation methods for treating and preventing menopausal symptoms and osteoporosis. The formula is prepared by boiling Radix Angelica Sinensis, Radix Astragal.....
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The invention is a simple method to fabricate multiple layers of transistors with one on top of each other in a 3D structure. Compare with some of the current practice, the new method is simple, flexible, controllable and capable to form much better performance transistors. The use of Metal-Induced.....
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A driving method for improving luminous efficacy of a light emitting diode (LED), the method comprising: periodically switching a DC current supplied to the LED between a high current level lH and a low current level lL, the low current level lLbeing fixed at zero or raised above zero to produce a D.....
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A DC to DC converter includes a switch, a diode, and a capacitor connected in series with an inductor. The capacitor and inductor provide a resonant time period and are connected in series with the switch and the diode. A control circuit provides an on/off signal to the switch and has a switching ti.....
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