Abstract: The present invention provides an interface-detection device and method. An internal interface of the device is connected to a protected device, an external interface is connected to an external device, and the external interface is in one-to-one correspondence connection to the internal interface by means of a switch module. At least two of the external interfaces are used for connecting to a predetermined data transmission type of external device, and each internal interface is used for one-to-one connection to all of the external interfaces of the protected device. The present invention detects the type of external device connected to any external interface of an externally-connected protection device, and, according to the detection result, instructs a switch device to connect or disconnect the external interface to/from a corresponding internal interface, and perform an alert operation.

Abstract: The present disclosure provides a semiconductor green laser. The semiconductor green laser, from bottom to top, comprising a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer, and an upper limiting layer. The active layer is a quantum well composed of well layers and barrier layers. Each of the well layers includes any one of AlInGaN, AlInN, AlGaN, AlN, InN, InGaN, and GaN, or any combination thereof. Each of the barrier layers includes any one of AlInGaN, AlInN, AlGaN, AlN, InN, InGaN, and GaN, or any combination thereof. An electron effective mass of each of the well layers is less than an electron effective mass of each of the barrier layers. A spontaneous polarization coefficient of each of the well layers is less than a spontaneous polarization coefficient of each of the barrier layers.

Abstract: Disclosed is a semiconductor laser, from bottom to top, comprising: a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer, and an upper limiting layer. The lower limiting layer is composed of at least one of AllnGaN, AllnN, AlGaN, InN, AlN, InGaN, and GaN. A thickness of the lower limiting layer is denoted as x, and 10 angstroms?x?90,000 angstroms. The lower limiting layer includes a first lower limiting layer, a second lower limiting layer, and a third lower limiting layer. The lower limiting layer forms an electron saving structure and a stress regulating structure to regulate a carrier distribution and a stress distribution of the active layer, thereby reducing a threshold current and improving a slope efficiency of the laser.

Abstract: The present disclosure relates to a nitrogen-containing tetracyclic compound, a preparation method therefor, and a medical use thereof. In particular, the present disclosure relates to the nitrogen-containing tetracyclic compound represented by general formula (IM), a preparation method therefor, a pharmaceutical composition containing said compound, the use thereof as a therapeutic agent, especially as a KRAS G12C inhibitor, and the use thereof in the preparation of medicaments for the treatment and/or prevention of tumors.

Abstract: An audio control method, a system, and device, the method including displaying, by a first device, in response to a first user operation, a candidate device list, obtaining, in response the user selecting a second device from the candidate device list, an audio capability parameter of the second device indicating a hardware capability and a software capability for playing audio, determining a first audio play policy based on the audio capability parameter of the second device, obtaining second audio data by the first device by performing first processing on first audio data from a first audio application according to the first audio play policy, and sending, by the first device, the second audio data to the second device, so that second device plays the second audio data or processes the second audio data and plays processed second audio data.

Abstract: An electrochemical apparatus includes an electrolyte solution comprising a compound of Formula I and a compound of Formula II wherein R1 is C1 to C10 alkyl, and R2 is halogenated C1 to C10 alkyl; and R21, R22, R23 and R24 are each independently fluorine, or unsubstituted or halogenated C1 to C3 alkyl, and at least one of R21, R22, R23 and R24 includes fluorine.

Abstract: An electrochemical apparatus includes an electrolyte solution comprising a compound of Formula I and a compound of Formula II wherein R1 is halogenated C1 to C10 alkyl and R2 is C1 to C10 alkyl; and R21, R22, R23, and R24 are each independently fluorine or unsubstituted or halogenated C1 to C3 alkyl, and at least one of R21, R22, R23, and R24 contains fluorine.

Abstract: The present disclosure provides an image generation method and apparatus, a computer-readable medium, and an electronic device. The method includes: displaying an image editing interface, a first merchandise image corresponding to a target merchandise is displayed in the image editing interface; determining a target scene to be added to the first merchandise image; and displaying a second merchandise image that is randomly generated by the first merchandise image and the target scene.

Abstract: An electrolyte of the electrochemical apparatus includes a linear carboxylate compound and a dinitrile compound. Based on total mass of the electrolyte, a mass percentage a of the linear carboxylate compound is 20% to 70% and a mass percentage b of the dinitrile compound is 0.01% to 7%; a bonding force between a negative electrode active material layer and a negative electrode current collector of a negative electrode plate is peeling strength, where the peeling strength F measured in N/m is 5 N/m to 20 N/m; and the mass percentage a of the linear carboxylate compound, the mass percentage b of the dinitrile compound, and the peeling strength F satisfy a relation 0.14?(100b+F)/100a?1.35.

Abstract: A display module includes a flexible display panel including a display portion, a binding portion, and a bending portion; a first back film, a second back film fitted to the display portion and the binding portion, respectively, an auxiliary support layer located between the first and second back films, bonded with the back films through first and second adhesive layers, respectively, and provided with an elastic modulus greater than the first and second back films; orthographic projections of the back films are located in or overlaps with those of the display portion and the bind portion, respectively. Side edges of the first and second back films and the auxiliary support layer close to the bending portion are first, second and third side edges, respectively; a spacing between the third and first side edges and a spacing between the third and second side edges are 0-0.35 mm.

Abstract: The present disclosure provides a coordinated multiple access method for multi-cell ground-to-air data transmission, and belongs to the technical field of wireless communication. The method comprises the following steps: S1, constructing a model of a coordinated multiple access system for multi-cell ground-to-air data transmission; S2, calculating a transmission rate of an aircraft, and constructing a multi-cell airspace and power domain resource allocation optimization problem by taking maximizing a system transmission rate as an optimization objective; S3, constructing a Markov decision process model; S4, solving the optimization problem using a multi-agent deep reinforcement learning algorithm. The system transmission rate is maximized under the condition that the aircraft can decode the signal correctly and satisfy the constraint of minimum transmission rate, thereby realizing ground-to-air high-speed data transmission.

Abstract: A temperature measuring method and apparatus based on creatine chemical exchange saturation transfer (CEST) imaging. The method comprises the following steps: (1) performing creatine CEST imaging on a creatine phantom, and analyzing a chemical shift of creatine relative to water in the creatine phantom; (2) fitting a mathematical relation between the chemical shift of the creatine relative to water and the temperature; and (3) performing CEST imaging on creatine in a sample, and calculating the temperature according to the mathematical relation, fitted in step (2), between the chemical shift of the creatine relative to water and the temperature. In the temperature measuring method, the creatine is taken as an endogenous reference, and highly-spatial-resolution, highly-sensitive, and non-invasive absolute temperature measurement can be implemented by means of temperature dependence of a CEST effect of Cr and water.

Abstract: Provided are a compound as represented by formula (I), and a pharmaceutically acceptable salt, tautomer, mesomer, racemate, stereoisomer, metabolite, metabolic precursor, or drug precursor thereof, and application thereof as a protein regulator, in particular a GSPT1 protein regulator, and a preparation method.

Abstract: Embodiments of this application provide a data transmission method, apparatus, and device. In the data transmission method, a first apparatus obtains a first link quality packet message that includes link quality information and indication information. The indication information is used to indicate that the link quality information is buffered. The first apparatus sends the first link quality packet message to a second apparatus, where the first link quality packet message is used by the second apparatus to perform network optimization based on the first link quality packet message. The data transmission method disclosed herein improves network optimization accuracy.

Abstract: Disclosed is a semiconductor laser with a substrate mode suppression layer, comprising a substrate, a first limiting layer, a first waveguide layer, an active layer, a second waveguide layer, an electron blocking layer, and a second limiting layer sequentially stacked from bottom to top. A Si/C concentration ratio of an element Si to an element C of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An In/Al concentration ratio of an element In to an element Al of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An H/C concentration ratio of an element H to an element C of the substrate mode suppression layer?that of the second sub-limiting layer?that of the first sub-limiting layer.

Abstract: The present disclosure provides a compound having a novel structure as a PRMT5 inhibitor, a method for preparing the compound, and use thereof in the treatment of a disease mediated by a PRMT5 inhibitor. Experiments have shown that these compounds have a strong inhibitory effect on PRMT5, and can be used as promising candidate compounds for treatment of diseases mediated by PRMT5 inhibitors. In addition, a specific synthetic method is developed in the present disclosure, which has a simple process and convenient operation, and is beneficial to industrial mass production and application.

Abstract: Disclosed is a semiconductor laser with a substrate mode suppression layer, comprising a substrate, a first limiting layer, a first waveguide layer, an active layer, a second waveguide layer, an electron blocking layer, and a second limiting layer sequentially stacked from bottom to top. A Si/C concentration ratio of an element Si to an element C of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An In/Al concentration ratio of an element In to an element Al of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An H/C concentration ratio of an element H to an element C of the substrate mode suppression layer?that of the second sub-limiting layer?that of the first sub-limiting layer.

Abstract: A compound, as represented by formula I, as a TLR7 agonist, a method for preparing the compound, and the use of the compound in treating diseases mediated by the TLR7 agonist are provided. Studies on the activity of a human-derived receptor, a TLR7 agonist, show that compounds have a strong agonistic effect on the human-derived receptor, TLR7, and can be used as a foreground compound for treating diseases mediated by the TLR7 agonist.

Abstract: A fluorescent compound for acid detection is strongly emissive in the solid state and can aggregate in the presence of an acid. As such, a fluorescent intensity emitted from the compound can be enhanced from an original intensity level in the presence of an acid. The fluorescent compound can emit an enhanced fluorescent intensity in the presence of an ultra-low acid concentration, for example, a concentration of at least about 10?20 M.