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The present invention relates to a process of making biodegradable and/or bioabsorbable biomaterials and keratin nonwoven fibrous articles by electrospinning fibers from a blend of biomaterials and keratin dissolved in organic solvents includes generating a high voltage electric field between opposi..... [更多]
The present invention provides compounds of the formulawhereinR is optionally substituted lower alkyl, cycloalkyl or aryl;R′ is alkyl or aryl;n is zero or an integer of 1 or 2; or an enantiomer thereof; or an enantiomeric mixture thereof.The compounds of formula (I) are bridged C2-symmetric biphenyl..... [更多]
A method of palmprint identification includes analyzing an area from an image of a palm to obtain texture data for the skin surface with the area. The texture data is compared to reference information in a database to determine the identity of an individual. An apparatus for capturing an image of a ..... [更多]
In the present invention, methods and systems for fabricating novel LPFGs are taught. Fabrication is preformed by focusing a CO2 laser beam having a diameter of 30 to 40 μm onto a fiber, such fiber being fixed and weighted on either ends. The variations of transmission spectrum and polarization depe..... [更多]
Tags: optics
The present invention relates to a user interface system that is acoustically operated for the control of connected devices. Through the interface, acoustic sounds, such as tap, can be distinguished from less than 10 cm apart. [更多]
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