A RFID (Radio Frequency Identification) tag with an electromagnetic band gap substrate is introduced to improve the performance of the RFID tag. The electromagnetic band gap substrate acts as a reflector to reflect electromagnetic wave emitted from RFID antenna. This reflected phase of electromagnet.....
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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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With the development of microelectronic, micromachine and drug delivery device, there has been increasing demand for micro- or nanopumps. Micropumps are one of the most important microfluidic components, which have been mainly made by the micromachining technology. Different micropumps have their sp.....
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In wireless applications, phase-locked-loop frequency synthesizers require very good phase noise performance in order to obtain a good signal-t-noise ratio for the desired signals even in the presence of very large nearby unwanted signals. Inside frequency synthesizers, thermal noise generated by th.....
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Vehicles and factories produce a lot of air pollutant everyday. Environmental sensors for hazardous substances in the air such volatile organic compounds (VOCs) are gaining its importance in this modern society. In this invention, a series of new linear and cyclic pi-conjugated organic compounds (po.....
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