Abstract: Methods, systems, and devices for three-dimensional memory array formation techniques are described. A memory device may include a stack of materials over a substrate. The memory device may include an array of first pillars and an array of second pillars extending at least partially through the stack of materials. One or more first pillars may be excluded from one or more columns of pillars of the array first pillars. The memory device may include dielectric material in a slit extending at least partially through the stack of materials. Based on the exclusion of the one or more first pillars, the slit may have a greater width at a first portion through the stack of materials than a second portion through the stack of materials. The dielectric material located in the slit may also have a greater width at the first portion than at the second portion.

Abstract: The present disclosure provides a system and a method for measuring hot-spot temperature of a transformer, wherein the measurement system comprises a processor, an oscilloscope and a plurality of ultrasonic sensors, wherein the ultrasonic sensors are oppositely arranged on an outer wall of a transformer oil tank and electrically connected with the oscilloscope, and the oscilloscope is electrically connected with the processor; the ultrasonic sensors receive signals transmitted by the oppositely arranged ultrasonic sensors and transmit them to the oscilloscope. The method, by applying an ultrasonic wave to measure the hot-spot temperature of a transformer in real time, solves the problems that methods in the prior art are susceptible to the external environment, have short service life and cannot correctly measure the internal temperature of the transformer.

Abstract: The present invention provides a semi-active vibration absorption and energy dissipation control system for restraining vortex-induced vibration of bridges. It has the advantages and characteristics that: (1) springs are horizontally placed at the bottom of a beam, and lengths are not limited, so that the frequency requirement of a low-frequency target can be satisfied; (2) different target frequencies can be realized through different combinations of a plurality of springs connected in series and in parallel, so that multi-order vortex-induced vibration control needs are satisfied; (3) the springs made of fiber reinforced nylon materials are adopted, and are notched, so that a frequency implementation range can be greatly widened; (4) the material and the form of a mass body are not limited, and a water bag can be used, which has low cost and is convenient for disassembly, assembly and mass adjustment.

Abstract: The specification provides a method for at least two behavior records that are generated through triggering during running of the applet are obtained; then, a behavior feature of each behavior record is extracted; next, at least one feature combination is formed by using at least two behavior features of at least two successively generated behavior records, where each feature combination includes at least two behavior features, and a sequence of the at least two behavior features in the feature combination is the same as a time sequence of generating behavior records corresponding to the at least two behavior features; and finally, it is determined whether there is a feature combination that includes a predetermined feature combination of a malicious behavior record; and if there is a feature combination that includes the predetermined feature combination of a malicious behavior record, it is determined that the applet conducts a malicious behavior.

Abstract: An anti-cavitation damping composite metal structure for a flow passage component and a preparation method thereof are provided. The preparation method includes: cladding a gradient functional material layer by layer on a substrate of a flow passage component; forming periodic structures on a surface of each layer of the gradient functional material through etching by an ultrafast laser to absorb a part of an impact load energy caused by cavitation of the flow passage component, where the layers of the gradient functional material form a gradient coating with a toughness increasing layer by layer and a hardness decreasing layer by layer from bottom to top; and forming nano twins on a surface layer by a laser shock peening technique, and implanting a residual compressive stress to further improve anti-cavitation resistance of a surface.

Abstract: The present embodiments relate to a PMR write head with a trailing shield that comprises a FeCoNiM composition. The FeCoNiM composition can be formed via an electroplating process by adding Fe2+, Co2+, Ni2+ and a transition metal salt to an aqueous solution comprised of other additives in an electroplating cell that has an Ni or Co as the anode. The plated HD magnetic material as the trailing shield in a PMR writer can minimize a wide area track erasure (WATE). Further, a high moment high damping shield can lower bit error rate (BER) and increase aerial density capability (ADC) of the write head.

Abstract: Embodiments of this application provide a relay communication method, apparatus, and system. In the method, when a first terminal device communicates with a second terminal device through a relay device, the first terminal device sends an RB configuration to the second terminal device by using the relay device. The RB configuration includes the first identifier and a PDCP entity configuration; or the RB configuration includes the PDCP entity configuration, and the PDCP entity configuration includes the first identifier. According to the method in this application, the first terminal device and the second terminal device may perform data transmission by using the same security protection parameter, to ensure correctness and effectiveness of data security protection in a process in which the first terminal device communicates with the second terminal device through the relay device.

Abstract: The present application relates to a split head lamp of a built-in energy storage element. The split head lamp includes a head lamp body, a connecting line and an external power source. The head lamp body includes a light-emitting assembly, a circuit board, an energy storage element, and a Micro Control Unit (MCU) chip; the MCU chip is mounted on the circuit board; the circuit board is provided with an energized interface for plugging in the connecting line; power supply of the energy storage element and the external power source is regulated by a program stored in the MCU chip; and the energized interface is a Universal Serial Bus (USB) interface. a power supply system has better interchangeability; and through the present application, lighting may also be continuously temporarily provided when the external power source is replaced or is low, such that the split head lamp is more user-friendly.

Abstract: An underframe end structure without a bolster beam for a rail vehicle, including an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, where the front of the coupler mounting base is connected to the underframe end beam through the oblique support beams, two sides of the coupler mounting base are connected to the underframe edge beam through the coupler support beams, so that quadrilateral frame structures are respectively formed on the two sides of the coupler mounting base, the oblique support beams form an included angle of 55° to 80° with a forward opening, and the coupler support beams form an included angle of 120° to 140° with a backward opening.

Abstract: Disclosed is a method of preparing glufosinate, and specifically a method of preparing glufosinate represented by formula (1) or its salt or enantiomer, or a mixture of its enantiomers in any ratio, comprising a step of hydrolyzing a compound of formula (III) to generate a compound of formula (1). Due to a distinctive reaction mechanism adopted in the method of the present disclosure, a halogenated hydrocarbon by-product in the Michaelis-Arbuzov reaction can be avoided and thus the destructive impact of the halogenated hydrocarbon by-product on ozone in the aerosphere can be prevented. Accordingly, the equipment and engineering investments required for the separation, purification, and collection of the foregoing by-product are eliminated, and the potential environmental and safety hazards brought by the foregoing by-product are also avoided.

Abstract: This specification describes a zero-trust security container data control. A computer-implemented method includes generating a zero-trust security policy based on a scenario. A data pool for a zero-trust security container is built. The zero-trust security policy is adopted for data to be in or out of the data pool, where admission or egress is allowed for the data to be in or out of the data pool only after the data is verified based on the zero-trust security policy. Data in the data pool is hierarchically isolated based on the zero-trust security policy, so that the data in the data pool can be read directionally.

Abstract: Embodiments of this application provide a method including: in a process of handing over a terminal side device, a source access network side device of the terminal side device and a target access network side device interacts with time division multiplexing (TDM) pattern configuration or uplink power configuration.

Abstract: The present disclosure discloses a method for automatically identifying south troughs by improved Laplace and relates to the technical field of meteorology. The method includes the following steps: acquiring grid data of a geopotential height field; calculating a gradient field of the geopotential height field in an x direction; searching for a turning point where a gradient value turned from being negative to being positive, and cleaning the gradient field; calculating a divergence of the x direction to obtain an improved Laplacian numerical value L?; performing 0,1 binarization processing on the L? to obtain a black-and-white image and a plurality of targets of potential troughs, merging the black-and-white image and the plurality of targets of the potential troughs by expansion, recovering original scale through erosion, and selecting an effective target through an angle of direction of a contour and an axial ratio.

Abstract: Disclosed is a PCB wiring heating type mosquito repellent device, which integrates two functions of ultrasonic mosquito repelling and mosquito repelling with an electric mosquito repellent mat. Meantime, the mosquito repellent device is provided with a plurality of heating sheets which may work independently. One side of a PCB heating panel is provided with a plurality of heating areas, and each heating area corresponds to one of the heating sheets. One side face of the heating sheet is connected with the heating area, and the other side face of the heating sheet is connected with the electric mosquito repellent mat. A heating wire is evenly laid in each heating area, and the heating wires in adjacent heating areas are connected in parallel and may supply power and heat independently.

Abstract: Disclosed are a method and device for winding a foil coil of a stereoscopic wound iron core transformer. The device includes a rotating assembly, a driving device and a plurality of loading assemblies; the rotating assembly is provided with a through hole matched with an iron core post, the rotating assembly is provided with a gear plate and a track ring around the through hole, and the gear plate and the track ring are fixedly connected by a fixing block; the loading assembly includes a cylinder and a tension device, and the cylinder is movably connected with the rotating assembly; and a driving end of the driving device is connected with the gear plate.

Abstract: Embodiments of the present disclosure provide a data transmission method, apparatuses, and a smart watch device. A first BLE module of a first MCU of a smart watch receives an instruction of transmitting data which includes an instruction of transmitting the data to an AP of the smart watch or a mobile terminal. The first BLE module determines whether the AP is in a wake-up state if the instruction is to transmit the data to the AP, and transmits the data to a second BLE module of the AP through a RFCOMM interface if the AP is determined to be in the wake-up state, otherwise, buffers the to-be-transmitted data. The first BLE module synchronizes state information to the second BLE module if the instruction is to transmit the data to the mobile terminal, and transmits the data to the mobile terminal through the RFCOMM interface.

Abstract: The present application relates to a portable electric heating mosquito repelling apparatus, including an apparatus housing, a repellent drug, and a power supply element. The apparatus housing is provided with a heating unit, the repellent drug is detachably arranged on the heating unit, the heating unit is used to heat the repellent drug, the working temperature of the heating unit is greater than 40° C. and less than 120° C., the power supply element is detachably arranged on the apparatus housing, and the power supply element is used to provide electric energy to the heating unit. The repellent drug used in the present application requires a relatively low working temperature, so the portable electric heating mosquito repelling apparatus of the present application has the relatively low working temperature, the apparatus itself has the smaller energy consumption, the endurance performance is better, the apparatus may be matched with the smaller power supply element.

Abstract: A winding cylinder of a stereoscopic wound iron core transformer is disclosed, including an outer cylinder, an inner cylinder and a tension assembly. The outer cylinder is movably connected with the inner cylinder through a bearing assembly, and the outer cylinder rotatable around an axis of the inner cylinder. The tension assembly includes a screw, a spring and a connecting assembly. The connecting assembly includes a fixing portion, a friction portion and a transmission portion, the friction portion and the transmission portion are both arranged around the inner cylinder, and the transmission portion is fixedly connected with the outer cylinder. A side face of the inner cylinder is provided with a through hole, and the fixing portion penetrates through the through hole and is fixedly connected with the friction portion.

Abstract: A winding die is disclosed, including: a gear baffle, where a middle portion of the gear baffle is provided with a first opening for placing an iron core post, and the gear baffle is provided with a first surface; and a cylinder, where the cylinder is arranged on the first surface of the gear baffle and connected with the gear baffle. The middle portion of the gear baffle is provided with the first opening for placing the iron core post, the gear baffle is fixedly connected with the cylinder, an external device is connected with a gear, and the cylinder on the gear baffle is driven to rotate around the iron core post by pulling the gear, so that a foil or an insulating material on the cylinder can be wound on the iron core post, finally realizing a foil winding.

Abstract: Ion-conductive membranes composed of glassy organic frameworks are provided. Also provided are devices incorporating the ion-conductive membranes and methods of making the ion-conductive membranes. The glassy organic framework membranes can be synthesized from nitrile- and/or acetyl-group containing monomers using thermally controlled, step-wise nitrile and/or acetyl trimerization reactions and film casting techniques.