摘要:
This invention relates to metal composites and to metal-alloy composites. Metal-alloy composites of this invention comprise a metal alloy and layered inorganic nanostructures or nanoparticles such as nanotubes, nanoscrolls, spherical or quasi-spherical nanoparticles, nano- platelets or combinations thereof. Methods of producing the metal composites and the metal-alloy composites are demonstrated. The layered inorganic nanostructure serves as a strengthening phase. The layered inorganic nanostructure provides reinforcement to the metal alloy.
摘要:
A method and apparatus for current measurement using Hall sensors without iron cores, used to estimate a flowing current in an electric conducting cable are provided by the exemplary examples of the present invention. The method for current measurement using Hall sensors without iron cores includes the following step: (a) providing Hall sensors to be attached to or located near the electric conducting cable; (b) using each of the Hall sensors to measure the flux density of the magnetic field generated by the flowing current, so as to generate an output voltage according to the flux density of the magnetic field; (c) performing a statistical operation on the output voltages of the Hall sensors, so as to generate a statistical voltage; (d) estimating the flowing current in the electric conducting cable according to the statistical voltage.
摘要:
Disclosed is a medical needle used for performing a piercing or insertion operation on an object repetitively, the medical needle comprising a needle body and a metallic glass material layer formed on a surface of the needle body, the metallic glass material layer comprising an alloy consisting of aluminum, zirconium, copper and tantalum. With the presence of the metallic glass material layer covering the needle body, the medical needle may maintain its sharpness after having performed multiple piercing or insertion operations to enhance durability, minimize the increase of maximum piercing or insertion force resulted from piercing or insertion operations, and decrease injury to the object caused by piercing or insertion operations.
摘要:
First, an object model library and an operation module library are provided. The object model library contains at least an object model geometrically similar to a real object to be processed. The operation module library contains at least an operation module for each operation to be performed. Then, for each real object to be processed, a virtual object is defined by association with an object model in the object model library and by specification of the object model's geometric parameters. Subsequently, for each operation to be performed, the operation is defined by selecting an operation module from the operation module library and specifying its operation parameters. Optionally, for each virtual object defined, at least a two-dimensional image previously taken of the corresponding real object is associated with the virtual object.
摘要:
A method of manufacturing a sensor comprises: providing a substrate; forming a photoresist layer on the substrate, wherein the photoresist layer comprises a hole array which comprises a plurality of holes which pass through from one side of the photoresist layer to the substrate; sputtering a metallic glass material on the photoresist layer to deposit the metallic glass material on a hole wall of each hole and a part of the substrate defined by the hole wall; removing the photoresist layer and forming a nanotube array structure of the metallic glass material, wherein the nanotube array structure comprises a plurality of nanotubes, and each nanotube has an open end opposite to the substrate; performing a surface treatment on the nanotube array structure to form a plurality of functional groups in each nanotube; and anchoring a plurality of aptamers in each nanotube by activating the plurality of functional groups.
摘要:
A fluid separation apparatus includes a sampling entrance (220), a first separation column (230), a second separation column (240), a bypass line (250), a detector (260) and a guide multi -channel valve (270). Mixed fluid (210) flows into the first separation column (230) via the sampling entrance (220). The second separation column (240) is connected to the first separation column (230) in series and connected to the bypass line (250) in parallel. The detector (260) is connected to the second separation column (240) and the bypass line (250). The guide multi-channel valve (270) has different modes to control a flow-through status and a closed status between the first separation column (230) and the second separation column (240), between the first separation column (230) and the bypass line (250), between the second separation column (240) and the detector (260), and between the bypass line (250) and the detector (260). A fluid separation method is also disclosed. The apparatus and the method can be suitable for separating a mixed fluid with different properties and capable of separating a complex fluid mixture efficiently.