Abstract: The present invention provides a high-modulus glass fiber composition, a glass fiber and a composite material therefrom. The glass fiber composition comprises the following components expressed as percentage by weight: 55-64% SiO2, 13-24% Al2O3, 0.1-6% Y2O3, 3.4-10.9% CaO, 8-14% MgO, lower than 22% CaO+MgO+SrO, lower than 2% Li2O+Na2O+K2O, lower than 2% TiO2, lower than 1.5% Fe2O3, 0-1.2% La2O3, wherein the range of the weight percentage ratio C1=(Li2O+Na2O+K2O)/(Y2O3+La2O3) is greater than 0.26. Said composition can significantly increase the glass elastic modulus, effectively inhibit the crystallization tendency of glass, decrease the liquidus temperature, secure a desirable temperature range (?T) for fiber formation and enhance the fining of molten glass, thus making it particularly suitable for production of high-modulus glass fiber with refractory-lined furnaces.

Abstract: This application relates to the communications field, and in particular, to a method for triggering terminal roaming by an access point (AP) and an access point. In the method, a first AP sends, by using a first channel, a unicast channel switching message to a first terminal associated with the first AP, where the unicast channel switching message is used to instruct the first terminal to switch from the first channel to a second channel, a receiver address of the unicast channel switching message is an address of the first terminal, the first channel is an operating channel of the first AP, and the second channel and the first channel are different; and retains the first channel as the operating channel of the first AP after the unicast channel switching message is sent. According to the method, a process of associating with a new AP can be simplified.

Abstract: A method is described for full waveform inversion using a b-spline projection that produces an earth model that can be used for seismic imaging. The method may be executed by a computer system.

Abstract: Provided are a high performance glass fiber composition, and a glass fiber and a composite material thereof. The content, given in weight percentage, of each component of the glass fiber composition is as follows: 52-67% of SiO2, 12-24% of Al2O3, 0.05-4.5% of Sm2O3+Gd2O3, less than 2% of Li2O+Na2O+K2O, 10-24% of CaO+MgO+SrO, less than 16% of CaO, less than 13% of MgO, less than 3% of TiO2, and less than 1.5% of Fe2O3. The composition significantly improves the mechanical properties and the thermal stability of glass, significantly reduces the liquidus temperature and forming temperature of glass, and under equal conditions, significantly reduces the crystallisation rate of glass. The composition is particularly suitable for the tank furnace production of a high performance glass fiber having excellent thermal stability.

Abstract: A wireless local area network scanning method and a wireless access point are provided. The method includes receiving, by a first wireless access point, a probe request frame broadcast by a station and obtaining, by the first wireless access point according to the probe request frame, an SSID associated with the station. Additionally, the method includes rejecting, by the first wireless access point, to reply to the station with a probe response frame corresponding to an SSID different from the SSID associated with the station, or if a preset condition is met, rejecting, by the first wireless access point, to reply to the station with a probe response frame corresponding to an SSID different from the SSID associated with the station.

Abstract: The present invention belongs to the technical field of sighting telescopes, and specifically relates to a pitching angle fitting method for an integrated precision photoelectric sighting system. The present invention puts forward a precision photoelectric sighting system which is simple in shooting calibration and quick and accurate in sighting, adapts to any environmental factor and can furthest reduce the use of sensors and realize double-eye sighting, and provides a pitching angle fitting method for an integrated precision photoelectric sighting system. The system comprises a view field acquisition unit, a display unit, a ranging unit and a sighting circuit unit; the sighting circuit unit is provided with a memory card, the memory card stores the pitching angle fitting method, and precision shooting in any environment is realized using the integrated precision photoelectric sighting system.

Abstract: A composition for producing a glass fiber, including the following components with corresponding percentage amounts by weight: SiO2: 57.1-61.4%; Al2O3: 17.1-21%; MgO: 10.1-14.5%; Y2O3: 1.1-4.3%; CaO: <6.5%; Li2O+Na2O+K2O: ?1%; Li2O: ?0.75%; TiO2: <1.8%; and Fe2O3: 0.05-1.2%. The total weight percentage of the above components in the composition is greater than or equal to 98%. The weight percentage ratio of Al2O3 to SiO2 is greater than or equal to 0.285. The invention also provides a glass fiber produced using the composition and a composite material including the glass fiber.

Abstract: Embodiments described herein relate to apparatus and coating methods to reduce chamber arcing, for example, in HDP-CVD, PECVD, PE-ALD and Etch chambers. The apparatus include a ring shaped gas distributor used for in-situ deposition of coating materials, and a process chamber including the same. The ring shaped gas distributor includes a ring shaped body having at least one gas entrance port disposed on a first side thereof and a plurality of gas distribution ports disposed on a first surface of the ring shaped body. The plurality of gas distribution ports are arranged in a plurality of evenly distributed rows. The plurality of gas distribution ports in a first row of the plurality of evenly distributed rows is adapted to direct gas at an exit angle different from an exit angle of the plurality of gas distribution ports in a second row of the plurality of evenly distributed rows.

Abstract: A device configuration method, apparatus, and system based on Network Configuration Protocol (NETCONF), and belong to the field of communications technologies. The method includes establishing, by a network management device, a model of configuration data using a predefined Yet Another Next Generation (YANG) model, and sending the configuration data to a managed device based on NETCONF. The predefined YANG model includes n reference fields and one or more object fields separately corresponding to each reference field. Hence, resolves problems that when an extension field is added to a NETCONF message to indicate a target lower-level device of configuration data in the NETCONF message in a device cascading scenario, solution universality is relatively poor, configuration processing efficiency is relatively low, and a data storage processing procedure is relatively complex.

Abstract: A series screw rod ripening and extruding device for rice noodles production, and the device comprises a first-level screw rod self-ripening extruding machine and a second-level screw rod thread-extruding machine The invention also relates to a manufacturing method of rice noodles utilizing the series screw rod ripening extruder. The device of the present invention can be used to manufacture rice noodles, during which process ripening extrusion strength and shearing force increased, and the rich noodles made by this device contains plenty of gel. The production capacity is higher and it is energy-saving remarkably, the production efficiency is improved and furthermore, the device can be maintained conveniently.

Abstract: A baicalin magnesium compound and methods for preparing and extracting the same. The method for preparing the baicalin magnesium compound includes steps of preparation of a baicalin suspension, preparation of a magnesium ion-containing suspension, reaction and drying. The method for extracting the baicalin magnesium compound includes steps of pretreatment of macroporous resin, extraction, adsorption and elution, concentration and drying and purification. The methods restores the baicalin to the original form as found in radix scutellariae, and the baicalin magnesium compound may be used as a substitute for the baicalin in pharmaceutical applications. As compared to the baicalin, the baicalin magnesium has a greatly increased solubility, faster adsorption rate and higher oral bioavailability. The baicalin magnesium compound may also be easily formulated as a water-soluble injection or a powder injection.

Abstract: The present invention provides a method and system for synchronously storing multi-modal information of portable endoscope. The method includes: S1: when a mobile terminal acquires data collected by a portable endoscope and updates local data with the acquired data, acquiring update record of the local data of the mobile terminal; and, S2: when the mobile terminal is synchronized with a cloud, synchronizing data in the mobile terminal with data in the cloud by using the update record as information to be synchronized. By creating a table to be synchronized to store change information and location information of files and selectively performing synchronization from the mobile terminal to the cloud or from the cloud to the mobile terminal according to whether or not the table to be synchronized is null during synchronization, unnecessary synchronization operations, storage burden of the mobile terminal and synchronization time and traffic are all reduced.

Abstract: An ultrasound imaging device, the device comprising a first chip (202) and a second chip (206), the first chip (202) receiving an ultrasound signal and generating a digital signal representative of the ultrasound signal, the ultrasound signal being an analog signal, the second chip (206) processing the digital signal from the first chip (202) for ultrasound imaging. The ultrasound imaging device has reduced power consumption. Further disclosed is a corresponding ultrasound imaging method.

Abstract: Various embodiments may provide an optical structure. The optical structure may include a substrate. The optical structure may also include a core layer configured to carry optical light. The core layer may include germanium. The optical structure may further include an intermediate layer separating the substrate and the core layer so that the substrate is isolated from the core layer. The intermediate layer may include one or more materials selected from a group consisting of III-V materials, dielectric materials, and chalcogenide materials. A width of the core layer may be smaller than a width of the intermediate layer. A refractive index of the core layer may be more than 4. A refractive index of the intermediate layer may be smaller than 3.6.

Abstract: A composition for producing a glass fiber, including the following components with the corresponding percentage amounts by weight: SiO2: 58-62%; Al2O3: 14-18%; CaO+MgO: 20-24.5%; CaO: greater than 14%; Li2O: 0.01-0.5%; Na2O+K2O: less than 2%; TiO2: less than 3.5%; Fe2O3: less than 1%; and F2: less than 1%. The weight percentage ratio of CaO/MgO is greater than 2 and less than or equal to 2.6; and the weight percentage ratio SiO2/CaO is between 3.3 and 4.3. The invention also provides a glass fiber produced using the composition and a composite material including the glass fiber.

Abstract: Implementations described herein protect a chamber components from corrosive cleaning gases used at high temperatures. In one embodiment, a chamber component includes at least a bellows that includes a top mounting flange coupled to a bottom mounting flange by a tubular accordion structure. A coating is disposed on an exterior surface of at least the tubular accordion structure. The coating includes of at least one of polytetrafluoroethylene, parylene C, parylene D, diamond-like carbon (DLC), yttria stabilized zirconia, nickel, alumina, or aluminum silicon magnesium yttrium oxygen compound. In one embodiment, the chamber component is a valve having an internal bellows.

Abstract: Embodiments of the present disclosure provide methodology to match and calibrate processing chamber performance in a processing chamber. In one embodiment, a method for calibrating a processing chamber for semiconductor manufacturing process includes performing a first predetermined process in a processing chamber, collecting a first set of signals transmitted from a first group of sensors disposed in the processing chamber to a controller while performing the predetermined process, analyzing the collected first set of signals, comparing the collected first set of signals with database stored in the controller to check sensor responses from the first group of sensors, calibrating sensors based on the collected first set of signals when a mismatch sensor response is found, subsequently performing a first series of processes in the processing chamber, and collecting a second set of signals transmitted from the sensors to the controller while performing the series of processes.

Abstract: To provide a machining device and a machining method that can achieve a reduction in a machining time of grooves of a workpiece including grooves having different torsion angles. A machining device includes a control device configured to use a machining tool having a rotation axis, an intersection angle of which can be changed with respect to a rotation axis of a workpiece, and cut a peripheral surface of the workpiece by feeding the machining tool relatively in a direction of the rotation axis of the workpiece while rotating the machining tool synchronously with the workpiece. The peripheral surface of the workpiece includes at least two grooves having torsion angles different from each other. The control device changes the intersection angle based on the torsion angles to respectively cut the at least two grooves.

Abstract: A magnetic tunnel junction device includes a pinned magnetic layer, a free magnetic layer embodied as a synthetic antiferromagnetic device, and a nonmagnetic barrier layer sandwiched between the pinned magnetic layer and the free magnetic layer. The free magnetic layer includes a first ferromagnetic layer, a second ferromagnetic layer and a nonmagnetic spacing layer sandwiched between them; and can transform from the antiferromagnetic state to the ferromagnetic state regulated by electric field. Under the coaction of the electric field and the current, the ferromagnetic layer close to the barrier layer of the magnetic tunnel junction is switched to write in data. Also, a magnetic random access memory based on a synthetic antiferromagnetic free layer can write in data under the coaction of the electric field and the current, and has advantages such as simple structure, low power consumption, rapid speed, radiation resistant, and non-volatility.

Abstract: A method for handover between distributed access points (APs), where the method includes a central AP sending a first instruction to an AP 2. The first instruction includes an identifier of the wireless terminal, and the first instruction is used to instruct the AP 2 to start receiving a data frame from the wireless terminal, and forbid the AP 2 to return an acknowledgement frame to the wireless terminal. The central AP sends a handover success notification message to an AP 1 and the AP 2. The handover success notification message includes the identifier of the wireless terminal, and the handover success notification message is used to instruct the AP 1 to stop receiving the data frame from the wireless terminal, and is used to instruct the AP 2 to return the acknowledgement frame to the wireless terminal.