Abstract: Provided is a high pressure water jet cutting apparatus for a rock-wall crane girder in an underground cavern powerhouse, comprising: a guiding mechanism, a support mechanism, and a jet cutting mechanism, where the guiding mechanism is detachably connected to a steel tube frame, the steel tube frame is erected according to drilling positions, and the support mechanism is connected to the guiding mechanism and is capable of moving on the guiding mechanism; and the support mechanism is connected to the jet cutting mechanism, the support mechanism is configured to adjust an angle of a hollow jet pipeline protection tube of the jet cutting mechanism, a tail end of the hollow jet pipeline protection tube is connected with a nozzle, and the steel tube frame is connected to a positioning steel tube through which the hollow jet pipeline protection tube passes.

Abstract: A computer-implemented method for transmission beam control in a data communication by an electronic device includes scheduling a periodic data transmission to a second electronic device on a first resource using at least a first beam and a second beam during a first time period. The electronic device transmits data, through a sidelink between the electronic device and the second electronic device, to the second electronic device on the first resource using at least the first beam and the second beam during the first time period.

Abstract: A cyclic sulfonate additive for an electrolyte of a lithium-ion battery (LIB) is disclosed, with a structure shown in formula I: A non-aqueous electrolyte of a LIB can be prepared with the cyclic sulfonate additive for the electrolyte of the LIB as one of additives, together with a non-aqueous solvent, and an electrolyte lithium salt, and arranged between a negative electrode and a positive electrode to fabricate a LIB. The present disclosure provides a use of the cyclic sulfonate additive in a LIB, which can effectively inhibit the reduction of battery capacity during high-temperature cycling and high-temperature storage, and can also inhibit the decomposition of an electrolyte to produce a gas.

Abstract: The embodiments of the present disclosure provide methods and Internet of Things systems for installing a gas pipeline compensator of smart gas. The method may be implemented by a processor of a smart gas device management platform of an Internet of Things system for installing a gas pipeline compensator of smart gas and may include: obtaining a pipeline feature and an estimated operation feature of a target pipeline; generating an estimated stretching and contracting feature of the target pipeline based on the pipeline feature and the estimated operation feature; and generating an installation parameter of the compensator based on the estimated stretching and contracting feature, wherein the installation parameter at least includes a device parameter of the compensator.

Abstract: Optical networks and methods associated with optical networks for verifying network continuity. A method for verifying network continuity includes providing a fiber Bragg grating (FBG) device at a cable associated with a network, wherein the FBG device is configured to reflect a ?1 wavelength; sending an optical test signal into the cable from a location upstream of the FBG device, the optical test signal having a ?1 wavelength; and detecting a reflected signal associated with the ?1 wavelength to verify network connectivity to the FBG device and measure network insertion loss.

Abstract: Embodiments of the present disclosure provide a welding control method and system for a gas pipeline, the system comprising a smart gas government safety supervision platform, a smart gas government safety supervision sensing network platform, a smart gas government safety supervision object platform, a gas company sensing network platform, and a gas construction object platform.

Abstract: Spirobicyclic compounds, particularly a compound of formula I and pharmaceutical compositions thereof are provided. The compound of formula I is effective in treating diseases associated with or modulated by FGFR2, including cancers that harbor aberrant activation of FGFR2.

Abstract: Implementations of the present disclosure relate to methods, devices, and computer program products for event processing. In the method, first data associated with a first time window is obtained, the first data comprising a first object and a first group of events that are related to the first object. Second data associated with a second time window is obtained, the second data comprising a second object and a second group of events that are related to the second object, the second time window being different from the first time window. An event model describing an association relationship between an object and an event that is related to the object is determined based on the first and second data. With these implementations, multiple time windows are used in determining the event model, and thus the event model may have better performance in accuracy and immediacy aspects.

Abstract: Embodiments of the present disclosure provide a magnetic resonance imaging (MRI) method, an MRI device, and an anti-interference device. The MRI method is implemented by the MRI device, and the MRI method includes: adjusting an operating frequency of at least one electronic device located inside a scanning room or entering into the scanning room, an adjusted frequency of the electronic device is outside an operating frequency of a magnetic resonance imaging device.

Abstract: A display includes: a memory and a controller. The memory is configured to store correspondence between keyboard-mouse commands and touch operations. The controller is connected to the memory and is configured to receive a keyboard-mouse signal, and correspondingly output a touch signal according to the correspondence, wherein the touch signal is configured to operate a touch device according to the touch operations.

Abstract: A tempering-free wear-resistant hot rolled strip, includes components in percentage by weight: 0.08-0.22% of C, 0.1-0.55% of Si, 0.8-1.5% of Mn, less than or equal to 0.012% of P, less than or equal to 0.005% of S, 0.01-0.055% of Als, 0.005-0.019% of Ti, and less than or equal to 0.007% of N. A method for producing the same includes: desulfurizing molten iron, smelting desulfurized molten iron, and casting into a blank; heating the casting blank; performing rough rolling; performing finish rolling; performing rapid cooling; performing coiling; and performing conventional temper rolling. According to the present disclosure, on the premise that the tensile strength of a steel plate is greater than or equal to 1100 MPa and the elongation is greater than or equal to 12%, the steel plate has a surface Brinell hardness of 330-390 and a core hardness that is 95% or above of the surface hardness.

Abstract: A gas purification system and method based on an intelligent gas regulatory IoT are provided. The method includes obtaining target detection data and target flow data of a pipeline to be recovered; determining a gas pollution value based on the target detection data and the target flow data; determining at least one candidate purification parameter based on a reference purification parameter; determining, for each of the at least one candidate purification parameter, a purification effect based on the gas pollution value, a total gas volume, and the candidate purification parameter through an effect determination model; determining a purification parameter based on the purification effect of the at least one candidate purification parameter; determining a recovery instruction and sending it to at least one user interaction device via the gas device object platform; in response to obtaining a recovery completion instruction, sending the purification parameter to the gas device object platform.

Abstract: Additives that decompose during charging of alkali-metal battery and alkali-ion battery cells such that the additives form part of the SEI layer and the CEI layer are provided for adding to electrolytes in such cells. Sulfonamide-based compounds may be used as additives into baseline electrolytes for alkali metal and alkali-ion batteries. As electrolyte additives, these compounds promote the formation of inorganic-rich solid electrolyte interphases and passivates electrode interfaces, resulting in improved battery performance. Solvents for the baseline electrolyte may include carbonate-based, ether-based, ester-based, sulfone-based, sulfonated-based, nitrile-based, sulfonamide-based, phosphate-based, ionic liquids, and mixtures thereof. These solvents may be non-fluorinated or fluorinated. The percent weight of solvent with respect to the total weight of the electrolyte may be from 0.05 wt % to 99 wt %, and preferably from 10 wt % to 90 wt %.

Abstract: The present invention relates to a method for multidimensional evaluation of the similarity of a sample to breast milk, wherein the method is performed in the following steps: (1) establishing a local breast milk phospholipid database; (2) collecting and pretreating a sample to be evaluated; (3) determining the contents of characteristic phospholipid subclasses, the contents of characteristic phospholipid molecules in the sample to be evaluated, and obtaining a microstructural image of milk fat globules in the sample by confocal laser scanning microscopy; (4) calculating the score G for the sample to be evaluated.

Abstract: Disclosed are an arc discharge detection method and device for a battery system, and a battery energy storage system. The arc discharge detection method for a battery system comprises: sampling a terminal voltage and a charging and discharging current of a battery system, sampling the terminal voltage of the battery system twice and calculating a first voltage difference value, and sampling the terminal voltage of the battery system and a terminal voltage of an electricity load and calculating a second voltage difference value; performing time domain and frequency domain analysis on the sampled data to obtain corresponding time domain and frequency domain feature values; and on the basis of the time domain and frequency domain feature values and the first and second voltage difference values, determining whether arc discharge features are met, so as to determine whether an arc discharge fault occurs in the battery system.

Abstract: A security defending method and an electronic apparatus are disclosed. The security defending method is applicable in a coprocessor, including: receiving a jump destination encryption request for the operation task; using mask configuration to perform first mask processing on the first jump destination address value to obtain a first intermediate jump destination address value; performing an authentication operation based on the first jump destination storage address, a key reference value corresponding to the operation task and the first intermediate jump destination address value, to obtain a first encryption result value; using the mask configuration to perform second mask processing on the first encryption result value to obtain a first intermediate encryption result value; performing an authentication operation on the first intermediate encryption result value and the first jump destination address value to obtain a first encryption jump destination address value.

Abstract: A battery including a curved metal shell, a curved metal plate, and a curved electrode assembly. The curved metal shell has a curved surface and a plurality of side walls extending from the curved surface. The curved electrode assembly is disposed between the curved metal shell and the curved metal plate. The plurality of side walls are bound with the curved metal plate to seal the curved electrode assembly between the curved metal shell and the curved metal plate. By disposing a direction of an opening of the curved metal shell, the difficulty in the manufacturing process of the battery is greatly reduced, curved electrode assemblies in different structural forms are placed into the curved metal shell more conveniently and smoothly, and the energy density of the battery is also increased.

Abstract: A simulating and testing platform system for laser-mechanical combined efficient drilling and rock breaking, comprising a laser-mechanical combined drilling tool being fixed on a position adjusting device through a drilling tool carrying device to achieve adjustment of a drill hole space and a relative angle, a driving device configured to drive the drilling tool to rotate and advance to achieve a rock breaking function, and a confining pressure loading device configured to perform confining pressure loading of a sample to simulate a real terrestrial stress environment. Wherein, the position adjusting device achieves all-around and multi-angle continuous drilling; the confining pressure loading device simulates the real terrestrial stress environment to increase the combined rock breaking efficiency in a manner of biasing laser.

Abstract: Various implementations provide 3D representations of objects. Such representations may be based on 3D point cloud and/or 2D image inputs that are obtained based on sensor data, e.g., images, depth data, motion data, etc. 3D point cloud input may be used for part segmentation and/or to determine position and/or orientation of object parts, e.g., generating 3D bounding boxes representing the sizes, positions, and orientations, of object parts. 2D image input may be used for part attribute recognition, e.g., to determine whether a chair legs part has a particular type such as star-shaped, straight down, crossed-shaped, etc. Part attributes may be used to produce a relatively simple and relatively accurate representation of the shape of each part within a respective area, e.g., within a bounding box determined for each part using the 3D point cloud input.

Abstract: The present invention discloses an adjustable-order fractional-order capacitor circuit and a control method therefor, including: using an improved fractional-order differential circuit; and using a junction field-effect transistor operating in a variable-resistance region to replace a fixed-value resistor in a common differential circuit, thereby achieving a fractional-order differential operation. In changing an order of the fractional-order circuit, an equivalent resistance of the junction field-effect transistor can be adaptively adjusted by the feedback tracking circuit to meet the order requirement. Without changing any element parameter in the differential circuit, an output signal of the differential circuit can lead an input signal in phase value by a value in an adjustable range, offering flexible adjustment.