Abstract: At least one embodiment of the present disclosure provides a method for manufacturing a solar cell, including: performing double-sided polishing on a silicon substrate; performing gettering treatment on the silicon substrate, including placing the silicon substrate in a gettering source to form a first silicon doped layer and a first silicon glass layer on a first surface of the silicon substrate and form a second silicon doped layer and a second silicon glass layer on a second surface of the silicon substrate; removing the first silicon glass layer; after the first silicon glass layer is removed, texturing the first surface, and removing the first silicon doped layer at the same time to form a textured surface on the first surface; removing at least a part of the second silicon glass layer and the second silicon doped layer; and smoothing the first surface.

Abstract: The present invention provides an aripiprazole sustained-release microsphere and a preparation method therefor. The microsphere comprises aripiprazole and polylactide-glycolide. The microsphere is of a spherical reticular skeleton structure, with reticular micropores distributed in the spherical surface, and aripiprazole filled in the micropores. The average particle diameter of the microsphere is less than 20 ?m, and is suitable for a 5 gauge needle. The content of aripiprazole is 65%-80% of the total weight of the microsphere.

Abstract: A wall bed having a self-locking function includes a wall bed cabinet, a gas spring, a wall bed body, a self-locking stopper, a driving assembly, and a locking member. The gas spring is pivotally connected to the upper part of the wall bed cabinet. The wall bed body is pivotally connected to the gas spring. The self-locking stopper is arranged on the wall bed cabinet and corresponds to the wall bed body. The driving assembly is arranged on the wall bed body and is connected to the locking member. When the wall bed body is in an unfolded state, the wall bed body is in a horizontal state, and the driving assembly drives the locking member to extend into the self-locking stopper and causes the bottom surface of the locking member to abut against the stopping surface of the self-locking stopper.

Abstract: Provided are a motor rotor, a self-starting synchronous reluctance motor, and a compressor. The motor rotor includes a rotor core. The rotor core includes a first rotor lamination, filling slots and rotor slots are formed in the first rotor lamination, the filling slots include second filling slots and first filling slots, multiple magnetic barrier layers are arranged on the first rotor lamination at intervals along a q-axis, the multiple magnetic barrier layers include two outer magnetic barrier layers and multiple inner magnetic barrier layers arranged between the two outer magnetic barrier layers, each outer magnetic barrier layer includes one first filling slot, each inner magnetic barrier layer includes one rotor slot, and second filling slots arranged at two ends of the rotor slot, respectively. In the same inner magnetic barrier layer, separating ribs each are arranged between the rotor slot and each of the second filling slots.

Abstract: A compound of formula (I): wherein ring A, Z1, Z2, Z3, Z4, Z5, Z6, Z7, X, R1, R2, R3, R4, R5, R6, and n are as disclosed in the specification. The compound of formula (I) is for use as a Myt1 inhibitor. Also, a pharmaceutical composition comprising the compound of formula (I) and a method of treating cancer using the compound. Also, a process for preparing the compound of formula (I).

Abstract: The present invention provides compounds of formula (I): or a pharmaceutically acceptable salt, geometric isomer, enantiomer, diastereomer, racemate, prodrug, solvate, hydrate thereof or any foregoing being isotope-labeled, wherein ring A, ring B, Y, L, R1, R2, R3, RA, RB, m, n, p and q are as disclosed in the specification. Also provided are pharmaceutical compositions and methods for use as MTA cooperative inhibitors of PRMT5. The invention further provides a method for preparing the compound.

Abstract: The present disclosure relates to a busbar and a photovoltaic module, the busbar comprising a conductive metal substrate, wherein the surface of the conductive metal substrate is covered with an insulating layer, and the insulating layer is provided with a plurality of non-insulating opening regions filled with a solder layer, the solder layer contacts the conductive metal substrate. The busbar is integrated as a whole, in which an insulating layer covers the surface of the conductive metal substrate and a solder layer is filled in the non-insulating opening regions on the insulating layer. Therefore, during the laying of the busbar in the present disclosure, the busbar is directly laid as a whole, and the insulating layer and the conductive metal substrate are not laid separately, which simplifies the manufacturing process and improves the laying efficiency in the manufacturing process.

Abstract: A busbar-free heterojunction solar cell comprises a cell body and a plurality of parallel finger grid electrodes provided on the front and back sides of the cell body, wherein each finger grid electrode comprises a plurality of first finger grid electrodes, a second finger grid electrode is provided between two adjacent first finger grid electrodes, both ends of the second finger grid electrode are respectively in lap-joint with the two adjacent first finger grid electrodes, and a welding positioning groove is formed in a middle portion of the second finger grid electrode. The structure of the solar cell can not only ensure good conductive performance of finger grid electrodes but also take into account good welding performance of the finger grid electrodes.

Abstract: A motor rotor, a self-starting synchronous reluctance motor including the same, and a compressor. The motor rotor includes a rotor core, and the rotor core includes a first rotor lamination, an end ring, and a second rotor lamination. Filling slots, rotor slots, and a shaft hole are formed in the first rotor lamination. The filling slots include first filling slots and two second filling slots. The second rotor lamination is arranged between the end ring and the first rotor lamination. Through slots are formed in the second rotor lamination at positions corresponding to the filling slots of the first rotor lamination respectively. A total cross-sectional area of first portions of the rotor slots on the first rotor lamination between an edge of an inner hole and an outer circle of the second rotor lamination is less than a total cross-sectional area of the rotor slots on the first rotor lamination.

Abstract: Provided are a rotor structure and a motor. The rotor structure includes a rotor core, first permanent magnets, and a second permanent magnet, wherein the rotor core is provided with mounting grooves, and the first permanent magnets are mounted in the mounting grooves respectively; an axial height of the first permanent magnets is greater than an axial height of the rotor core; the second permanent magnet is disposed at an axial end of the rotor core and is of an integrated structure, through slots are disposed on the second permanent magnet, and at least one end of each of the first permanent magnets extends out of the rotor core in an axial direction and is inserted into a corresponding through slot; the second permanent magnet further includes an annular portion and magnetic pole portions, wherein the magnetic pole portions are integrally formed by a connection of the annular portion.

Abstract: A method for wireless charging protection is provided. The method includes detecting a battery capacity of a smart security device, and sending a charging start instruction to a wireless charging device; determining whether the wireless charging device sends an energy shutoff notification; and in response to determining that the wireless charging device does not send the energy shutoff notification, executing a security detection task, and sending a charging stop instruction to the wireless charging device according to a detection result corresponding to the security detection task to cause the wireless charging device to stop emitting energy, thereby achieving security detection during a wireless charging process of the smart security device.

Abstract: Described herein are a rotor structure and a motor. The rotor structure comprises a rotor core, first permanent magnets, and a second permanent magnet. The rotor core is provided with mounting grooves, and the first permanent magnets are mounted in the mounting grooves. Along an axial direction of the rotor core, the axial height of the first permanent magnet is greater than the axial height of the rotor core. The second permanent magnet has an integral structure and includes axial portions arranged at axial ends of the rotor core. The axial portions are provided with grooves, and the parts of the first permanent magnets extending out of the rotor core along the axial direction are inserted into the grooves.

Abstract: This disclosure provides an antenna and a base station. The antenna includes a reflector, an insulation support bracket, and a feed network. The insulation support bracket is located on a side of the reflector and includes a first insulation support plate. The feed network and the insulation support bracket are located on the same side of the reflector, the feed network is connected to the insulation support bracket, and the feed network includes a phase-shifting strip line and a first sliding dielectric plate. The first insulation support plate, the phase-shifting strip line, the first sliding dielectric plate, and the reflector are sequentially disposed in a first direction. A reference ground of a phase shifter of the antenna provided in this disclosure is a single-side reference ground, and a structure is simple, so that the antenna can be more lightweight and miniaturized.

Abstract: Disclosed herein are a rotor structure and a motor. The rotor structure includes: a rotor core including a plurality of axially stacked magnetic laminations, wherein under one pole of the rotor core, a plurality of conductor slots and multi-layer permanent magnet slots are disposed; and magnet steels, disposed in the permanent magnet slots. The rotor core includes a d-axis and a q-axis. Under one pole, the conductor slots including d-axis conductor slots and q-axis conductor slots. Under the same pole, the number of d-axis conductor slots located on the side of the magnet steels close to a rotor outer circumference is at least two, and a total length L5 of all the d-axis conductor slots in a direction perpendicular to the d-axis is greater than a length L1 of each of the magnet steels in the direction perpendicular to the d-axis, with 1.2?L5/L1?2.

Abstract: Disclosed herein are a permanent magnet assisted synchronous reluctance motor. The permanent magnet assisted synchronous reluctance motor includes a stator structure and a rotor structure. The stator structure is sleeved outside the rotor structure and forms an air gap with the rotor structure. The rotor structure includes a rotor core. The stator structure includes a stator core having uniformly distributed thereon a plurality of alternately arranged stator teeth and stator slots. When any d-axis centerline of the rotor structure is aligned with a stator tooth centerline of the stator structure, a d-axis centerline adjacent to the d-axis centerline is aligned with a stator slot centerline, and a q-axis centerline adjacent to the d-axis centerline is staggered with the stator tooth centerline or the stator slot centerline.

Abstract: A linkage mechanism for a three-section sofa bed is provided. The linkage mechanism includes a first link assembly, a second link assembly, a third link assembly, and a locking assembly, where the first link assembly includes one side pivoted to a front sofa cushion and the other side pivoted to a fixed base frame of a sofa frame; the first link assembly is provided with a locking hole; the second link assembly includes one end pivoted to a middle sofa cushion and the other end pivoted to a middle segment of the first link assembly; the third link assembly includes one side pivoted to a rear sofa cushion and the other side pivoted to a pivot position of the first link assembly pivoted to the fixed base frame; the locking assembly is located at a side of the first link assembly close to the front sofa cushion.