Abstract: At least one embodiment of the present disclosure provides a data processing method based on a memristor array and an electronic apparatus. The data processing method includes: acquiring a plurality of first analog signals; setting the memristor array, and writing data of a parameter matrix corresponding to the data processing into the memristor array; and inputting the plurality of first analog signals into a plurality of column signal input terminals of the set memristor array, respectively, controlling operation of the memristor array to perform the data processing on the plurality of first analog signals, and obtaining a plurality of second analog signals after performing the data processing at a plurality of row signal output terminals of the memristor array, respectively.

Abstract: A method for controlling a direct-current-to-direct-current (DC-to-DC) converter includes (a) causing the DC-to-DC converter to operate in a constant frequency operating mode, (b) determining that a duty cycle of a first switching device of the DC-to-DC converter has crossed a first threshold value, and (c) in response to the duty cycle of the first switching device of the DC-to-DC converter crossing the first threshold value, causing the DC-to-DC converter to reduce switching frequency and switch from operating in the constant frequency operating mode to operating in a constant off-time operating mode.

Abstract: A radiating element for a base station antenna that is operable in a first frequency band. The radiating element comprises a radiator that includes a first radiating arm and a second radiating arm. At least one of the first radiating arm and the second radiating arm comprises: a first conductive region; a second conductive region spaced apart from the first conductive region; and a first inductive trace for electrically connecting the first conductive region and the second conductive region. Within the first conductive region, a first gap devoid of metal is provided, and the first inductive trace includes a first trace segment extending into the first gap. The first trace segment is disposed within the first gap at a distance from the first conductive region.

Abstract: A semiconductor device and a method of fabricating the same, includes at least one dielectric layer, a conductive structure, and a first insulator. The at least one dielectric layer includes a stacked structure having a low-k dielectric layer, an etching stop layer, and a conductive layer between the low-k dielectric layer and the etching stop layer. The conductive structure is disposed in the first dielectric layer. The first insulator is disposed between the conductive layer and the conductive structure.

Abstract: An integrated circuit (IC) includes a plurality of first metallization layers on a front side of a circuit layer and a plurality of second metallization layers on a back side of the circuit layer. A semiconductor substrate on the back side of the circuit layer of the IC is thinned to improve access to devices from the back side. The plurality of second metallization layers are employed to provide increased interconnection among the devices without increasing area and may provide increased access to external contacts. Thinning the semiconductor substrate reduces structural rigidity needed for processing, so the IC also includes a stiffening layer on one of the plurality of first metallization layers and the plurality of second metallization layers to increase rigidity and first vias extending through the stiffening layer to couple to first contacts.

Abstract: A stator assembly includes a stator core including multiple stator slots, and a stator winding including multiple conductor segments. Each conductor segment includes a bend portion, a first in-slot portion, and a second in-slot portion. Each stator slot includes multiple slot layers including a first side slot layer, a second side slot layer, and intermediate slot layers between the first side slot layer and the second side slot layer. The first and the second in-slot portions of the first conductor segment are respectively disposed in the first side slot layers of the first stator slot and the second stator slot, the first and the second in-slot portions of the second conductor segment are respectively located in an intermediate slot layer adjacent to the first side slot layer of the first stator slot and an intermediate slot layer of the third stator slot.

Abstract: A pressure ring for an electric machine rotor, an electric machine rotor, and an electric machine. The pressure ring comprises an annular shell and at least one balancing block. The annular shell comprises an annular flat surface and a columnar flat surface. An annular groove and at least one first fixing hole are provided on the annular flat surface.

Abstract: A method includes lifting a first plunger within a production string disposed within a wellbore. The production string divides the production string into multiple stages. The plunger landing assemblies include a first landing assembly and an intermediate landing assembly. The lifting includes lifting the first plunger in a first stage to lift production fluid accumulated uphole of the first plunger. The method also includes continuing to lift the first plunger until the first plunger strikes the intermediate one of the plurality of landing assemblies, allowing the production fluid to flow past the second one of the plurality of landing assemblies into a second stage. The method also includes securing the first plunger and lifting, with the production fluid accumulated uphole of a second plunger residing in the second stage, the second plunger to lift the production fluid toward the wellhead.

Abstract: Techniques described herein includes solutions for mitigating interference related to antenna switching. A user equipment (UE) may determine a potential for interference to data reception on a second frequency band due to antenna switching associated with transmission of reference signals on a first frequency band. In response to the determination, the UE may select one or more interference mitigation measures based on an operating mode of the UE and one or more UE parameters. An interference mitigation measure may include backing off on a reported value, such as a channel quality indicator (CQI), rank indicator (RI), or reference signal received power (RSRP). The interference mitigation measure may further include skipping reference signal transmission on the first frequency band and the antenna switching associated therewith.

Abstract: A method may provide a notification for handover of driving control from the autonomous driving system to the user. The method includes determining whether the control of the vehicle needs to be handed over to a user based on an event occurring during autonomous driving of the vehicle, and providing the user with a notification indicating that the control of the vehicle needs to be handed over to the user.

Abstract: A multi-element filtration vessel included spaced beams for supporting and/or aligning filtration elements from below. The filtration elements have bottom ends adapted to rest upon adjacent support beams and also to extend between them to form a cavity that can capture feed fluid and an aeration gas and conduct it into the filtration element. In another aspect, a multi-element filtration vessel has removable aerators mounted on a projection on the wall of the filtration vessel.

Abstract: The present disclosure relates to a paper tube for smoking articles with a flavored sheet, and a smoking article, and more particularly, relates to a paper tube for smoking articles which includes a flavored sheet including a cellulose-based polymer, a plasticizer, and a flavoring material, and to a smoking article including the same.

Abstract: A self-locking mechanism and a folding sofa are provided. The self-locking mechanism includes a support member, a locking member, a drive member and a switch member. The support member has a first end and a second end opposite to each other. The locking member has a first connection portion and a locking portion, and the first connection portion of the locking member is pivotally connected to the first end of the support member. One end of the drive member is pivotally connected to the first connection portion of the locking member. The switch member has a second connection portion and a switch portion, where the second connection portion of the switch member is pivotally connected to the second end of the support member and the other end of the drive member.

Abstract: There is provided a cleaning head for a surface treating appliance, comprising a suction chamber having a suction aperture, a brush bar arranged in the suction chamber and a comb having a plurality of teeth, each tooth extending into the suction chamber so that at least a distal end of each tooth is arranged to contact a portion of the brush bar. A contact face of each tooth is arranged to contact a radially extending portion of the brush bar and at least one corner between the contact face and a side face of the tooth includes at least one notch. Advantageously, the corner notches help break hair and other debris that might be wound on the brush bar and assists in entraining the hair or debris in the airflow through the suction aperture.

Abstract: The present disclosure relates to a pharmaceutical composition comprising chiral nanozyme and method of preventing or treating proliferative diseases using the same. A first nanozyme and/or a second nanozyme according to embodiments of the present disclosure has a chiral structure, and their enzymatic activity is maximized when circularly polarized light with the same directionality as the first nanozyme and/or the second nanozyme is irradiated.

Abstract: In a coronary artery rotational atherectomy intervention system provided in this application, a limit switch in a guide wire clamping system is connected to a limit switch state detection and transmission module. After the guide wire is clamped, the limit switch is triggered to be in a closed state and detected by the module. In a physiological saline infusion system, an infusion pump control element controls the infusion pump to start, and the pump is connected to an infusion pump state detection and transmission module to detect its started state. Before issuing an instruction for starting a drive motor, a controller module in the drive and control system confirms that the infusion pump is started and the limit switch is closed, to drive the rotational atherectomy head to rotate, thereby remarkably improving the apparatus's operational safety.

Abstract: A working channel tube and a method for producing the working channel tube, the method including providing a tube reinforced with a wire coiled and embedded between an inner and outer surface of the tube, a non-embedded wire portion of the wire extending from an exit point; bending the non-embedded wire portion at a rotation location forming a bend, a first non-embedded wire sub portion and a second non-embedded wire sub portion; extending the second non-embedded wire sub portion back across the tube to a clamping location; clamping the second non-embedded wire sub portion at the clamping location in a clamp; and rotating the non-embedded wire sub portions at the rotation location such that the first and second non-embedded wire sub portions twist around each other until the wire breaks. Moreover, a working channel tube produced by said method, and an endoscope comprising said working channel tube are disclosed.

Abstract: Provided is a method for preparing high-purity indium (In). The method for preparing the high-purity In includes: distilling refined In to obtain an In vapor-containing gas; and condensing the In vapor-containing gas to obtain the high-purity In; where the distilling is conducted at a temperature of 1,000° C. to 1,100° C. under a vacuum degree of 1.0×10?3 Pa to 5.0×10?2 Pa; and the condensing is conducted at a temperature of 700° C. to 900° C. under a vacuum degree of 1.0×10?3 Pa to 5.0×10?2 Pa. The In vapor-containing gas is obtained by controlling the temperature and vacuum degree of the distilling to evaporate In and impurities with a vapor pressure higher than the In. The temperature and vacuum degree of the condensing are adjusted to condense the In in the In vapor-containing gas.

Abstract: The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a precipitation-resistant metal-based catalyst used alone or in combination with an amine catalyst.

Abstract: A lighting apparatus includes one or more first type LED modules, one or more second type LED modules and a driver circuit. The first type LED modules for emitting a first light of a first color temperature. The second type LED modules for emitting a second light of a second light temperature. The first type LED modules have a first spreading light angle and the second type LED modules have a second spreading light angle. The first light spreading angle is different from the second light spreading angle. The driver circuit provides a first working mode and a second working mode respectively corresponding to a first mixed light spreading pattern and a second mixed light spreading pattern by selectively turning on the first type LED modules and the second type LED modules.