‘The Invention’ described here is directed to a hybrid RNA sequence of hepatitis B virus fused with human sequence that is not naturally occurring in the human genome. The hybrid sequence is transcribed from the tumor genome of hepatocellular carcinoma as a result of hepatitis B virus integration. S.....
[更多]
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.....
[更多]
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.....
[更多]