Abstract:
A compound with anti-drug resistant bacteria activity having the following formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
Abstract:
A compound having the formula (I): is disclosed. Methods of preparing the compound of formula (I) are also disclosed. The compound of formula (I) can be prepared by reacting a compound of formula (II) with a compound of formula (III) in an organic solvent with EDC (1-ethyl-3-(3-dimethylaminopropyl)carbodiimide). The compound of formula (I) can also be prepared by reacting the compound of formula (II) with the compound of formula (III) in 1-ethyl-3-methylimidazolium hexafluorophosphate as a solvent with silicomolybdic acid as a catalyst.
Abstract:
A device for high pressure spray and counter-current precipitation extraction of herbal medicine is disclosed. A method for extracting herbal medicine using the device is also disclosed.
Abstract:
A hybrid satellite-mesh network including a ground segment, a mobile segment and a satellite segment provides high bandwidth communication between mobile platforms and the Internet. The satellite segment is used only when mesh network communication links between mobile segment nodes and ground segment nodes are unavailable. Mobile segment nodes can function in either an access terminal mode or an access point mode to communicate with other mobile segment nodes according to a routing algorithm in a mesh portion of the network. Mobile segment nodes employ adaptive frequency reuse, link level date rate adaptation, link level power control and adaptive beam forming antennas.
Abstract:
A method for air to ground communication interference mitigation within an aircraft equipped with a multi-beam array antenna includes adjusting a modulation symbol interleaving and/or forward error correction of an aircraft receiver interface in response to detected interference from an interferer. The method further includes reducing a data rate of the aircraft receiver interface when the adjusting of the modulation symbol interleaving and/or forward error correction does not mitigate the detected interference. Another method for interference mitigation may include performing antenna beam-steering away from a geographic (GEO) arc during an aircraft turn. This method further includes reducing an aircraft transmitter transmit power when a signal quality of a forward link is within a predetermined range of a signal quality threshold.