Abstract: Disclosed are a method and system for calculating system inertia based on a sliding window at a moment of fault occurrence. The method includes: acquiring a frequency of each bus of a power system, active data of tie lines, and an active power output of a generator unit, and calculating a capacity of the power system; filtering the frequency of each bus, a bus voltage and the active power output of the generator unit; calculating a frequency change rate of the power system at each node, and determining a moment of fault occurrence; calculating a voltage fluctuation index of each bus; calculating a frequency change rate of each window; calculating an inertia change curve of the power system; and obtaining inertia of the power system according to the inertia change curve of the power system.

Abstract: The present disclosure provides a device and a method for controllable forging of a forming flow line of a complex-shaped component. The device includes a frame, a shaping unit, a cushioning unit, and a cleaning unit, and the frame is used to mount and fix the shaping unit, the cushioning unit, and the cleaning unit; the shaping unit is used to improve a shaping capacity of processed parts; the cushioning unit is used to reduce a vibration in a metal shaping process to avoid an impact on the shaping of the metal; the cleaning unit is used to clean up a surface of a mold after shaping; when the metal is put into the mold, the metal is extruded and shaped through the shaping unit, and at the same time, the cushioning unit is used to offset the vibration generated by the shaping unit during the shaping process.

Abstract: A device and a method for contactless fingerprint acquisition is provided. The contactless fingerprint acquisition device includes a housing including a finger scanning area for at least one finger; at least two image capturing devices located in the housing and arranged in a predetermined baseline distance, each image capturing device having an optical axis in a predetermined angle with the vertical direction; and, a lighting unit in the housing for illuminating the at least one finger. The at least two image capturing devices are operable to acquire a plurality of partial fingerprint images of the at least one finger, and the plurality of partial fingerprint images correspond to different portions of the at least one finger.

Abstract: A preparation method of a uniform low stress cone shaped charge liner includes the steps of multi-pass extrusion forming, vibration aging treatment, and cryogenic treatment. The step of multi-pass extrusion forming refers to 4 to 8 passes of extrusion deformation under the actions of a three-dimensional compressive stress and a deformation rate of 5 to 10 mm/s, having a deformation amount of 5 to 50% for each pass. The shaped charge liner prepared by the present invention has high dimensional accuracy, good geometric symmetry, low stress value, and excellent stability in the precise machining process and in use, which may significantly improve the penetration capability and stability of the shaped charge liner of high-explosive anti-tank warheads.

Abstract: A device and a method for contactless fingerprint acquisition is provided. The contactless fingerprint acquisition device includes a housing including a finger scanning area for at least one finger; at least two image capturing devices located in the housing and arranged in a predetermined baseline distance, each image capturing device having an optical axis in a predetermined angle with the vertical direction; and, a lighting unit in the housing for illuminating the at least one finger. The at least two image capturing devices are operable to acquire a plurality of partial fingerprint images of the at least one finger, and the plurality of partial fingerprint images correspond to different portions of the at least one finger.

Abstract: There is provided an array base plate, including: a substrate; a first patterned part disposed on the substrate and adjacent to an encapsulation region of the substrate; a second patterned part disposed on the substrate, in a same layer as the first patterned part and adjacent to the first patterned part; wherein the first patterned part includes a through part on its side close to the second patterned part. There is also provided a manufacturing method for manufacturing the array base plate, and a display panel including the array base plate.

Abstract: The present disclosure relates to the field of display technologies, and provides a display substrate, a manufacturing method thereof, a corresponding display panel and an encapsulation method for the same. The display substrate includes a base plate comprising a display area and an encapsulation area surrounding the display area, and an insulating layer and a plurality of wires located on the base plate. The insulating layer comprises at least one groove in the encapsulation area. At least one of the plurality of wires comprises a first portion in the display area and a second portion within a corresponding groove of the encapsulation area. There is only one said second portion present in each groove.

Abstract: The present disclosure relates to the field of display technologies, and provides a display substrate, a manufacturing method thereof, a corresponding display panel and an encapsulation method for the same. The display substrate includes a base plate comprising a display area and an encapsulation area surrounding the display area, and an insulating layer and a plurality of wires located on the base plate. The insulating layer comprises at least one groove in the encapsulation area. At least one of the plurality of wires comprises a first portion in the display area and a second portion within a corresponding groove of the encapsulation area. There is only one said second portion present in each groove.

Abstract: There is provided an array base plate, including: a substrate; a first patterned part disposed on the substrate and adjacent to an encapsulation region of the substrate; a second patterned part disposed on the substrate, in a same layer as the first patterned part and adjacent to the first patterned part; wherein the first patterned part includes a through part on its side close to the second patterned part. There is also provided a manufacturing method for manufacturing the array base plate, and a display panel including the array base plate.

Abstract: The disclosure discloses a thin film transistor, a method for fabricating the same, and an OLED display panel. The method for fabricating a thin film transistor includes: forming a poly-silicon layer and a gate insulation layer on a base substrate in that order; forming a pattern of a gate above the base substrate with the gate insulation layer in a patterning process; doping the base substrate with the pattern of the gate for the first time; forming a pattern of first photoresist on the base substrate doped for the first time, using a mask for forming the pattern of the gate, wherein the pattern of the first photoresist covers the pattern of the gate and an area for forming a lightly doped drain area; and doping the base substrate with the pattern of the first photoresist for the second time to form a pattern of an active layer.

Abstract: A preparation method of a uniform low stress cone shaped charge liner includes the steps of multi-pass extrusion forming, vibration aging treatment, and cryogenic treatment. The step of multi-pass extrusion forming refers to 4 to 8 passes of extrusion deformation under the actions of a three-dimensional compressive stress and a deformation rate of 5 to 10 mm/s, having a deformation amount of 5 to 50% for each pass. The shaped charge liner prepared by the present invention has high dimensional accuracy, good geometric symmetry, low stress value, and excellent stability in the precise machining process and in use, which may significantly improve the penetration capability and stability of the shaped charge liner of high-explosive anti-tank warheads.

Abstract: The present invention provides a mask plate, relating to a field of exposure technology, which can solve the problem of an existing mask plate that a resolution is limited by an effect of diffraction. The mask plate of the invention includes: a pattern structure, including a light blocking region and a light transmitting region; and a total reflection structure provided at an light-exiting side of the pattern structure, the total reflection structure including a high refraction layer and a first low refraction layer sequentially provided in a direction away from the pattern structure and contacting each other, wherein a refractive index of the high refraction layer is greater than a refractive index of the first low refraction layer.

Abstract: The disclosure discloses a thin film transistor, a method for fabricating the same, and an OLED display panel. The method for fabricating a thin film transistor includes: forming a poly-silicon layer and a gate insulation layer on a base substrate in that order; forming a pattern of a gate above the base substrate with the gate insulation layer in a patterning process; doping the base substrate with the pattern of the gate for the first time; forming a pattern of first photoresist on the base substrate doped for the first time, using a mask for forming the pattern of the gate, wherein the pattern of the first photoresist covers the pattern of the gate and an area for forming a lightly doped drain area; and doping the base substrate with the pattern of the first photoresist for the second time to form a pattern of an active layer.

Abstract: The present invention provides a mask plate, relating to a field of exposure technology, which can solve the problem of an existing mask plate that a resolution is limited by an effect of diffraction. The mask plate of the invention includes: a pattern structure, including a light blocking region and a light transmitting region; and a total reflection structure provided at an light-exiting side of the pattern structure, the total reflection structure including a high refraction layer and a first low refraction layer sequentially provided in a direction away from the pattern structure and contacting each other, wherein a refractive index of the high refraction layer is greater than a refractive index of the first low refraction layer.

Abstract: An electrode for use in an ion implantation system includes a body portion and a penetration portion. The penetration portion includes penetration holes which are closely and regularly arranged. The penetration holes have the shape of a circle or a regular polygon with at least four sides. The electrode has an increased aperture ratio which, in turn, increases the density of the ion beam, thereby improving the efficiency of the ion implantation process.

Abstract: An electrode for use in an ion implantation system includes a body portion and a penetration portion. The penetration portion includes penetration holes which are closely and regularly arranged. The penetration holes have the shape of a circle or a regular polygon with at least four sides. The electrode has an increased aperture ratio which, in turn, increases the density of the ion beam, thereby improving the efficiency of the ion implantation process.

Abstract: Described are a method and system for aggregating, categorizing, and displaying information. With the method, information is acquired from an information-exchanging-sharing platform, and a content keyword of the information is extracted; the information is aggregated and categorized according to the content keyword; and the information is displayed according to each category. In the system, a keyword extracting unit is configured for acquiring information from an information-exchanging-sharing platform, and extracting a content keyword of the information; an aggregating-categorizing unit is configured for aggregating and categorizing the information according to the content keyword; and a displaying unit is configured for displaying the information according to each category. With what described, it is possible to display aggregated and categorized information, facilitating information sharing and exchanging as well as reducing complexity in user operation.

Abstract: Disclosed are approaches for automatically forming a wireless connection for a computing device. In one embodiment, a method can include: determining that a first wireless connection for a computing device has been lost; receiving a browser indication from a browser running on the computing device that a second wireless connection is desired for the computing device; providing, in response to the browser indication, an automatic connection indication to a user of the computing device via a user interface; receiving an acceptance indication from the user interface in response to the automatic connection indication; and establishing the second wireless connection for the computing device in response to the acceptance indication from the user interface.

Abstract: A digital calendar device involving an electronic device having a graphic user interface. The electronic device is capable of receiving at least one note from a user, and retrieving and displaying the at least one note, as well as running on at least one operating system. The digital calendar device further includes features, such retrieval and displaying features, a touch screen interface, handwriting support feature, a speech recognition feature, a reminder feature, a frame feature, a mechanical support feature, and a fortune-teller software program.