Abstract: The present disclosure provides a coal bump control method for sectional hydraulic fracturing regions of a near vertical ultra thick coal seam. The method includes: deepening a main shaft from a mining level to a fracturing level; excavating a cross-hole from a roof rock layer of a coal seam at the fracturing level to enter a coal seam being mined, and excavating a roadway along the strike of the coal seam; and drilling hydraulic fracturing boreholes in a dedicated fracturing roadway along an inclination angle of the coal seam to the coal seam above the roadway, wherein the length of the borehole makes the borehole in communication with a goaf, and the spacing of the boreholes along the strike and the sectional spacing of the boreholes in an inclination direction are designed according to the parameters of fracturing equipments and the fracturing length.

Abstract: Disclosed are a cathode active material for sodium-ion batteries and a preparation method therefor and an application thereof. The cathode active material has a chemical formula of NaxNiyFezMngMhAmO2, where M is selected from the group consisting of Ti, Al, Mg, Ca, Zr, Y, Zn, Nb, W and combinations thereof, A is selected from the group consisting of B, P, C and combinations thereof, 0.80?x?1.40, 0.05?y?0.95, 0.05?z?0.95, 0.05?g?0.95, 0.01?h?0.50, and 0.01?m?0.30. By adding M and A elements to the ternary iron-manganese-nickel cathode active material for sodium-ion batteries, and controlling the ratio of all elements, the present disclosure can achieve the formation of a perfect layered single-crystal structure of the cathode active material for sodium-ion batteries, with large particles, ultimately achieving the stability of the active material, and when used in sodium-ion batteries, it can significantly improve the cycling performance at high temperatures while ensuring high gram capacity.

Abstract: In an embodiment, a system, includes: a first pressurized load port interfaced with a workstation body; a second pressurized load port interfaced with the workstation body; the workstation body maintained at a set pressure level, wherein the workstation body comprises an internal material handling system configured to move a semiconductor workpiece within the workstation body between the first and second pressurized load ports at the set pressure level; a first modular tool interfaced with the first pressurized load port, wherein the first modular tool is configured to process the semiconductor workpiece; and a second modular tool interfaced with the second pressurized load port, wherein the second modular tool is configured to inspect the semiconductor workpiece processed by the first modular tool.

Abstract: A light source device includes a light guide plate, an optical adhesive, and a light source element. The light guide plate includes a light guide substrate and an enhancement layer. The light guide substrate has a light incident surface, a first surface, and a second surface. The first surface is opposite to the second surface, and the light incident surface extends between the first surface and the second surface. The enhancement layer is disposed on the light guide substrate. A thickness of the enhancement layer is from 1 micrometer to 25 micrometers and a first refractive index of the light guide substrate is greater than a second refractive index of the enhancement layer. The optical adhesive is interposed between the first surface of the light guide substrate and the optical adhesive. The light source element is disposed beside the light incident surface to emit light toward the light incident surface.

Abstract: The present invention belongs to the technical field of biomass carbon materials, and relates to a lignin porous carbon nanosheet, a preparation method therefor, and an application thereof in supercapacitor electrode materials. The method of the present invention performs layer-by-layer self-assembly of sulfonated lignin and oxalate in a selective solvent to prepare a layer-by-layer self-assembled lignin/oxalate composite, which is then carbonized and pickled to obtain the lignin porous carbon nanosheets. The lignin porous carbon nanosheets prepared by the above method of the present invention have a specific surface area of 200-1500 m2/g, a micropore specific surface area of 100-500 m2/g, a mesoporous specific surface area of 100-1000 m2/g, a pore diameter of 0.5-30 nm, and a pore volume of 0.5-1.5 cm3/g; they can be applied to supercapacitor electrode materials, showing higher specific capacitance and excellent rate performance (with a specific capacitance retention rate of 76.

Abstract: The present disclosure provides a neural network-based method for calibration and localization of an indoor inspection robot. The method includes the following steps: presetting positions for N label signal sources capable of transmitting radio frequency (RF) signals; computing an actual path of the robot according to numbers of signal labels received at different moments; computing positional information moved by the robot at a tth moment, and computing a predicted path at the tth moment according to the positional information; establishing an odometry error model with the neural network and training the odometry error model; and inputting the predicted path at the tth moment to a well-trained odometry error model to obtain an optimized predicted path. The present disclosure maximizes the localization accuracy for the indoor robot by minimizing the error of the odometer with the odometry calibration method.

Abstract: A memory device and a method of operating a memory device are disclosed. In one aspect, the memory device includes a plurality of non-volatile memory cells, each of the plurality of non-volatile memory cells is operatively coupled to a word line, a gate control line, and a bit line. Each of the plurality of non-volatile memory cells comprises a first transistor, a second transistor, a first diode-connected transistor, and a capacitor. The first transistor, second transistor, first diode-connected transistor are coupled in series, with the capacitor having a first terminal connected to a common node between the first diode-connected transistor and the second transistor.

Abstract: Glasses with gesture recognition function include a glasses frame and a gesture recognition system. The gesture recognition system is disposed on the glasses frame and configured to detect hand gestures in front of the glasses thereby generating a control command. The gesture recognition system transmits the control command to an electronic device to correspondingly control the electronic device.

Abstract: A semiconductor structure includes a first gate structure, a second gate structure coupled to the first gate structure, a source region, a first drain region, and a second drain region. The source region is surrounded by the first gate structure and the second gate structure. The first drain region is separated from the source region by the first gate structure. The second drain region is separated from the source region by the second gat structure. A shape of the first drain region and a shape of the second drain region are different from each other from a plan view.

Abstract: The present disclosure provides a pulmonary artery stent. The pulmonary artery stent includes: a metal stent capable of circumferential expansion; and an isolation membrane wrapping the metal stent to isolate the metal stent from an external environment, and the isolation membrane having a circumferential tensile strength less than an axial tensile strength. The embodiments of the present disclosure can not only expand the diameter of the stent according to a change in the diameter of a blood vessel to meet a support performance requirement after the blood vessel enlarges but also isolate the metal portion of the stent from a vascular environment, thus effectively solving a problem of in-stent restenosis.

Abstract: The present invention relates to a novel antibody and antibody fragment that specifically binds to TNFR2 and to a composition comprising said antibody or antibody fragment. In addition, the present invention relates to a nucleic acid encoding the antibody or an antibody fragment thereof and a host cell comprising the same, and to a related use thereof. Besides, the present invention relates to the use of the antibody and antibody fragment for treatment and diagnosis.

Abstract: A method for isolating transmission lines of a radio frequency power amplifier and a transmission structure of the radio frequency power amplifier are provided. The method includes steps of setting a distance between adjacent two of transmission lines on a chip substrate to be greater than 2.5 times a width of each of the transmission lines, and disposing shielding lines at an inner side of each of the transmission lines and an outer side of each of the transmission lines opposite to the inner side; wrapping a permalloy layer on an outer wall of each of the transmission lines; and wrapping an aluminum layer on an outer wall of the permalloy layer, defining a plurality of grooves on an outer wall of the aluminum layer at intervals, where the plurality of the grooves are recessed inward and in an inverted triangular structure.

Abstract: A levitation, propulsion and guidance integrated magnetic levitation system and an improvement method of levitation and guidance. The system includes a maglev train and a maglev track. The maglev train is provided with a permanent magnet array. The maglev track is provided with a driving device and a levitation driving device in sequence along a running direction of the maglev train. An iron plate is arranged in the middle of the maglev track. The driving device accelerates the maglev train from 0 to take-off velocity. The levitation driving device provides a driving force and a levitation force for the maglev train. The iron plate enables the centered running of the maglev train.

Abstract: A method for synthesizing pitavastatin tert-butyl ester includes obtaining a substance B through reacting (4R-CIS)-6-chloromethyl-2,2-dimethyl-1,3-dioxolane-4-acetic acid tert-butyl ester with a substance A under the action of a first base catalyst, 5 oxidizing with an oxidizing agent to obtain a substance C, then reacting with 2-cyclopropyl-4-(4-fluorophenyl)-quinoline-3-formaldehyde under the action of a second base catalyst to obtain a substance D, and finally, carrying out an acid deprotection to obtain pitavastatin t-butyl ester. The reaction conditions of the present invention are mild and controllable, and the reaction conditions of the synthesis of the Julia olefination do 10 not require an ultra-low temperature reaction. The operation is convenient and simple, the stereoselectivity is good, the yield is high, and the synthesized pitavastatin t-butyl ester is a completely non-cis isomer, and its purity is high.

Abstract: A method for isolating transmission lines of a radio frequency power amplifier and a transmission structure of the radio frequency power amplifier are provided. The method includes steps of setting a distance between adjacent two of transmission lines on a chip substrate to be greater than 2.5 times a width of each of the transmission lines, and disposing shielding lines at an inner side of each of the transmission lines and an outer side of each of the transmission lines opposite to the inner side; wrapping a permalloy layer on an outer wall of each of the transmission lines; and wrapping an aluminum layer on an outer wall of the permalloy layer, defining a plurality of grooves on an outer wall of the aluminum layer at intervals, where the plurality of the grooves are recessed inward and in an inverted triangular structure.

Abstract: The disclosure provides an electronic device and a diagnosis method of a light-emitting device. The light-emitting device includes at least one region, and each region of the at least one region has a plurality of light-emitting units. The diagnosis method includes the following steps. A plurality of light-emitting units of one of the at least one region are illuminated by a current. A voltage value corresponding to the current is compared with a first standard voltage value corresponding to a first standard current corresponding to the one of the at least one region. Whether the one of the at least one region is abnormal is determined according to a result of comparing the voltage value with the first standard voltage value. Therefore, the diagnosis method of the disclosure may effectively diagnose whether the at least one region of the light-emitting device is abnormal.

Abstract: A solid electrolyte material for a lithium secondary battery, an electrode, and a battery, relating in particular to an additive material capable of improving rapid transmission of ions in lithium secondary battery electrodes, a preparation method therefor and application thereof, and a solid electrolyte material for a secondary battery, a preparation method therefor and application thereof, as well as an electrode, an electrolyte thin layer, and a preparation method therefor.

Abstract: A vibration test bench for electrodynamic-suspension magnetic levitation trains and a testing method using the same. The vibration test bench includes an adjustable track mounting surface, a track base, a guiding track and a simulated levitation device. The track base includes a first track base and a second track base. The first track base and the second track base are respectively provided at two sides of the adjustable track mounting surface. The guiding track is arranged at a bottom of the track base and can be embedded in the T-shaped bolt mounting grooves on the adjustable track mounting surface to move. The simulated levitation device is arranged on the track base and is configured to levitate the magnetic levitation train between the first track base and the second track base.

Abstract: A behavior recommendation apparatus, behavior recommendation method, and non-transitory computer readable storage medium thereof are provided. The behavior recommendation apparatus stores a digital twin model, wherein the digital twin model outputs a predicted parameter set after being inputted a behavior sequence and a monitored parameter set. The behavior sequence includes a plurality of behaviors in a first sequence and quantized data. The behavior recommendation apparatus receives the monitored parameter set and an objective, wherein the objective corresponds to a particular parameter in the monitored parameter set. The behavior recommendation apparatus generates a recommended behavior sequence according to the particular parameter, the monitored parameter set, the digital twin model, and a plurality of simulated behavior sequences and displays the recommended behavior sequence on an operation interface.

Abstract: An inorganic sulfide solid electrolyte having high air stability, and a preparation method and use thereof In the invention, some or all of P elements in a sulfide electrolyte are replaced with Sb elements, thereby providing an electrolyte having high air stability and ion mobility and applicable to an all-solid lithium secondary battery. The resulting inorganic sulfide electrolyte comprises the following materials: Li10M(P1-aSba)2S12, Li6(P1-aSba)S5X and Li3(P1-aSba)S4, where M is one or more of Ge, Si or Sn, X is one or more of F, Cl, Br or I, and 0.01?a?1.