Abstract: The invention, which relates to a liquid-carrying roller for wet etching and a wet etching method, belongs to the technical field of solar cell manufacturing, and solves the problem of abnormal roller levelness in a process of manufacturing a solar cell in the prior art. The liquid-carrying roller for wet etching of the invention comprises a first end shaft, a second end shaft, and a liquid-carrying shaft, the first end shaft and the second end shaft being located at both ends of the liquid-carrying shaft, respectively, the first end shaft, the second end shaft and the liquid-carrying shaft being arranged concentrically, and the diameters of the first end shaft and the second end shaft being both adjustable.

Abstract: Disclosed is a deep underground hydrogen storage structure and its construction method. The structure comprises a concrete lining layer, a hydrogen barrier layer, a connecting framework, and multiple supporting arms; multiple supporting arms are spaced apart around the perimeter of the chamber, with each supporting arm having a connection end and a geotechnical end, and a grouting channel that connects the connection end and the geotechnical end. The grouting channel has a grout inlet at the connection end and a grouting port at the geotechnical end. This disclosure enables grouting reinforcement of the rock and soil layers around the geotechnical end through the grouting port of the grouting channel, achieving coordinated stress sharing between the deep underground hydrogen storage structure and the surrounding rock and soil layers, and significantly improving the safety performance of the deep underground hydrogen storage structure.

Abstract: Provided are a compound for recovering a p53 mutation function and use thereof, particularly relating to a compound represented by Formula M, or an enantiomer, a diastereomer, a racemate, a tautomer, a stereoisomer, a geometric isomer, a crystal form, a nitrogen oxide, a metabolite or pharmaceutically acceptable salt, ester, solvate, hydrate, isotope-labeled compound or prodrug of the compound.

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: Perovskite optoelectronic devices, e.g., solar cells, are provided, which comprise a perovskite layer comprising a perovskite; and chemical passivating ligands bound to the perovskite of the perovskite layer, wherein the chemical passivating ligands comprise a thioether group, —SR?, wherein R? is an alkyl group.

Abstract: A laser light combining apparatus. The laser light combining apparatus comprises a light splitting element and a wavelength conversion element. The light splitting element is used for reflecting a portion of a laser incident at the side of the light splitting element facing away from the wavelength conversion element, so as to form a first wavelength beam, and used for transmitting the unreflected portion of the laser to the wavelength conversion element the wavelength conversion element is used for performing wavelength conversion on the unreflected portion of the laser to form a second wavelength beam, and reflecting the second wavelength beam to the light splitting element, so that the second wavelength beam and the first wavelength beam form combined light, where the divergence angle of the first wavelength beam and the divergence angle of the second wavelength beam are both greater than the divergence angle of the laser.

Abstract: An electronic device testing method and an electronic device testing system are provided. The method includes following steps. A display image displayed by an electronic device under test is captured through a camera device. By analyzing the display image displayed by the electronic device under test, an automatic control command is determined. The automation control command is sent to the electronic device under test or an external execution device to control the electronic device under test to execute a target operation corresponding to the automation control command. While the electronic device under test performs the target operation, a device testing procedure of the electronic device under test is executed.

Abstract: The present application provides a compound as shown in formula (0), a pharmaceutical composition containing same, a synthesis method therefore and a use thereof. The compound of the present application can significantly reduce the integrated stress response (ISR) of cells and activate the activity of eIF2B, so that the protein in the cells tends to be synthesized normally, providing more possible drugs for ISR pathway-mediated diseases or condition eIF2B-related diseases, and/or diseases related to regulation of the activity or level of eIF2B activity or level, and regulation of the activity or level of the eIF2 pathway or ISR pathway.

Abstract: A control circuit for a multi-phase power conversion circuit and a multi-phase power supply are provided. The conversion circuit includes a plurality of switching circuits which have output terminals being coupled together to supply power to a load. The control circuit includes an error amplifier, a pulse width modulation circuit, and a multi-phase logic control circuit. The multi-phase logic control circuit generates a plurality of PWM signals according to an on time signal, which are delayed phase by phase and control on and off states of the plurality of switching circuits, and each of which has a pulse width being consistent with the on time signal. This reduces the circuit size and cost of the multi-phase power supply controller, and solves the problem of phase-to-phase current oscillation in a case that the switching circuits operate under duty ratios independent for various phases.

Abstract: Provided in the present application is a compound as represented by formula (1). The compound can regulate the KIF18A protein, thereby affecting the cell cycle and the cell proliferation process to treat cancer and cancer-associated diseases. The present disclosure further comprises a pharmaceutical composition containing the compound, and a method for treating conditions associated with the KIF18A activity.

Abstract: An aerosol generating device includes a conductor assembly and a microwave assembly. The conductor assembly includes a first conductor and a second conductor that jointly form a resonant cavity. The resonant cavity includes at least a heating region, and the heating region is configured to heat an aerosol generating article. The microwave assembly is configured to feed a microwave into the resonant cavity to generate an aerosol.

Abstract: A single folding sofa bedstead includes a bedstead frame body, a frame assembly, a first connecting rod assembly, a second connecting rod assembly, a first linkage rod group, and a second linkage rod group. The frame assembly has a first frame, a second frame, and a third frame. The first frame is pivotally connected to one side of the second frame, and the third frame is pivotally connected to the other side of the second frame. One end of the first connecting rod assembly is pivotally connected to the first frame, and the other end of the first connecting rod assembly is pivotally connected to the bedstead frame body. One end of the second connecting rod assembly is pivotally connected to the second frame, and the other end of the second connecting rod assembly is pivotally connected to the bedstead frame body.

Abstract: A self-locking mechanism for a folding sofa is provided. The self-locking mechanism includes a link assembly, a self-locking rivet, and a limit rotating rod, where the link assembly includes one end pivoted to a front sofa cushion and the other end pivoted to a fixed base frame of a sofa frame; the front sofa cushion is folded and stored on a rear sofa cushion inside the sofa frame or unfolded at one side of the rear sofa cushion through the linkage of the link assembly; the self-locking rivet is located on the link assembly; the limit rotating rod is movably provided on the front sofa cushion; one end of the limit rotating rod is provided with an arc-shaped hook corresponding to the self-locking rivet; and when the front sofa cushion is unfolded at one side of the rear sofa cushion, the link assembly drives the self-locking rivet to slide.

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.

Abstract: A system for evaluation anti-corrosion properties of a coating when applied on a corrosion susceptible substrate, containing: (i) an imaging unit configured to capture a plurality of grayscale images of the coating; (ii) a computational image processing unit configured to receive and reconstruct the captured plurality of grayscale images and to output a reconstructed topographic image and a reconstructed color image; (iii) a data pre-processing unit configured to receive and combine the reconstructed topographic image and the reconstructed color image and to output images containing high-dimensional data that comprises one-dimensional height data and at least three-dimensional color data; (iv) a corrosion detection unit configured to receive the high-dimensional data and recognize corrosion features and to output at least locations, classifications, and regions of the corrosion features; where the corrosion detection unit comprises a corrosion detection neural network having ai, input layer and an output laye

Abstract: Provided are a compound of formula 0, a stereoisomer thereof, a tautomer thereof, a geometric isomer thereof, an enantiomer thereof, a diastereomer thereof, a racemate thereof, a polymorph thereof, a solvate thereof, a hydrate thereof, an N-oxide thereof, an isotopically labeled compound thereof, a metabolite thereof, an ester thereof, a prodrug thereof, and a pharmaceutically acceptable salt thereof. In formula 0, ring B is a 5- to 10-membered spiro ring or a 5- to 10-membered spiro heterocyclic ring. The 5- to 10-membered spiro ring and the 5- to 10-membered spiro heterocyclic ring are optionally substituted with 1-5 R1F. The compound can significantly weaken the integrated stress response (ISR) of cells and activate the activity of eIF2B, so that proteins in the cells tend to be synthesized normally.

Abstract: The present application relates to a compound for inhibiting IRAK4 activity and a use thereof, and specifically provides a compound as represented by formula A, or an enantiomer, a diastereoisomer, a racemate, a tautomer, a stereoisomer, a geometric isomer, a nitrogen oxide, a metabolite or a pharmaceutically acceptable salt, an ester, a solvate, a hydrate, an isotope-labeled compound (preferably a deuterated substance), or a prodrug thereof,

Abstract: The present disclosure provides a tolerance compensation fastening assembly for fastening a second part to a first part by cooperating with a nut element provided on the first part. The tolerance compensation fastening assembly comprises a bolt, a compensation element, a connection element, and a holding means. The compensation element comprises a body and a flange, and the flange is provided at one end of the body and defines a compensation hole in communication with a channel of the body. A bolt head is accommodated in the channel and is blocked by the flange, and a bolt rod passes through the compensation hole. The connection element comprises a connection disc and connection legs, and the flange is located between the bolt head and the connection disc. The connection disc is provided with a connection hole to receive the bolt rod. The connection legs are configured to connect the connection disc to the second part.

Abstract: A method for setting a calibration signal power, the method including: transmitting a calibration-modulated wave (CMW) signal at a frequency slot; receiving a power measurement of the CMW signal; calculating a calibration correction factor for the frequency slot based on the power measurement; and adjusting a transmission power of the CMW signal at the frequency slot based on the calibration correction factor. A method for switching over a control channel and a voice channel from an old sub-band to a new-sub-band, the method including: switching over control channel and voice channel among multiple GW components and satellite payload; predicting switchover time to reduce control channel and voice channel outage time during switchover.