Abstract: A method for doping a two-dimensional material based on cluster ion implantation, including selecting a two-dimensional material sample to place same on a substrate; determining the selected implantation parameters by Monte Carlo particle tracing algorithm on the two-dimensional material sample; replacing the two-dimensional material sample, and placing a two-dimensional material thin film, wherein the thickness of the two-dimensional material thin film is ?10 nm; selecting a determined implantation parameter to form a cluster beam and acting on a two-dimensional material thin film; changing the implantation parameters to form different cluster beams and acting on the two-dimensional material thin film; performing annealing on the two-dimensional material thin film implanted with cluster ions to repair the damage caused by implantation.

Abstract: A secondary battery, comprising a positive electrode plate, a negative electrode plate and a separator provided between the positive electrode plate and the negative electrode plate; wherein the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector, the negative electrode plate comprises one or more planar areas and one or more curved areas, the negative electrode active material layer of at least one of the planar areas comprises an active material A, and the negative electrode active material layer of at least one of the curved areas comprises an active material B, and the expansion rate of the active material B is greater than that of the active material A.

Abstract: The present disclosure provides compounds useful for the inhibition of KRAS. The compounds have a general Formula I: wherein the variables of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, uses of the compounds, and compositions for treatment of, for example, cancer.

Abstract: A power supply equipment supplies power to a critical load and a non-critical load. The power supply equipment includes a plurality of power supplies coupled in parallel and a system controller. The system controller is coupled to the power supplies, and communicates with the power supplies to set a specific sequence. The system controller notifies the power supplies to adjust operating frequencies to be inconsistent according to the specific sequence.

Abstract: A power supply includes a conversion circuit, an auxiliary power circuit, and an output control circuit. The conversion circuit converts a DC power into a first output power, and the auxiliary power circuit converts the DC power into a first auxiliary power. The output control circuit is used to selectively connect a first output terminal and a second output terminal so that when the output control circuit disconnects the first output terminal and the second output terminal, the first output power supplies power to a critical load through the first output terminal, and when the output control circuit connects the first output terminal and the second output terminal, the first output power supplies power to the critical load and a non-critical load through the first output terminal and the second output terminal respectively.

Abstract: A power supply control system for a multi-phase power converter is provided. The power supply control system classifies each of a plurality of power converters into one of a plurality of power groups. The power supply control system selects one of the plurality of power converters classified in each of the plurality of power groups as a master power converter, and selects others of the plurality of power converters in each of the plurality of power groups as slave power converters. The power supply control system, according to data of the master power converter, outputs an on-time controlling signal for controlling an on-time of a high-side switch and an on-time of a low-side switch of each of the plurality of power converters, so as to control the plurality of power converters for supplying appropriate power to electronic devices.

Abstract: A negative electrode active material comprises a carbon-based material and a silicon-based material, wherein a first functional group exists on the surface of the carbon-based material, a second functional group exists on the surface of the silicon-based material, and the first functional group has a charge opposite to that of the second functional group.

Abstract: The present application provides an electrode assembly and a preparation method therefor, a secondary battery, and a power consuming device. A reserved space is formed between at least one surface of a separator and a corresponding electrode plate, and a spacing D of the reserved space tends to increase in a preset direction of the electrode plate from either edge of the separator to a middle of the separator, so that the reserved space is of a structure with a large middle and two small ends. In this way, during cycle of charging and discharging, when the electrode plate expands at a middle part more than at two edges thereof in its own width direction, the electrode plate is better accommodated in the reserved space.

Abstract: The present application provides a battery cell, a preparation method therefor, a secondary battery, and a power consuming device. The battery cell is formed by winding a negative electrode plate, a positive electrode plate, and a separator positioned between the negative electrode plate and the positive electrode plate, wherein the negative electrode plate has a negative electrode curved surface area, and the positive electrode plate has a positive electrode curved surface area; and at least one curved surface area group composed of the negative electrode curved surface area and the positive electrode curved surface area positioned outside and adjacent to the negative electrode curved surface area is included at a corner of the battery cell.

Abstract: This application relates to a battery and an electric apparatus. A ratio of a capacity per unit area of a negative electrode of the battery to a capacity per unit area of a positive electrode of the battery is referred to as an NP ratio. The NP ratio of the battery is greater than or equal to 1.105, allowing the negative electrode potential corresponding to an upper limit of SOC of the battery to be higher than potential for crystalline phase formation, without BMS control or forced charging/discharging. This can alleviate or avoid battery memory effects, enabling maximum utilization of the capacity of the battery and improving energy efficiency of the battery.

Abstract: A system for providing contrast enhanced ultrasound (CEUS) images is described. The CEUS system includes an ultrasound probe adapted to provide the ultrasound images; a processor configured to determine out-of-plane frames of the ultrasound images, and remove the out-of-plane frames from the ultrasound images based on a criterion to provide an optimized set of frames; and a display in communication with the processor and configured to display the optimized set of frames.

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly comprises electrode units stacked in an axial direction of the accommodating cavity. The cap assembly comprises a cap plate and a vent piece, the cap plate is connected with the case and positioned at a side of the electrode assembly in the axial direction. The cap plate is provided with a through-hole, and the vent piece covers the through-hole. The cap plate has a first inner surface, the vent piece has a second inner surface, and a distance between the first inner surface and the electrode assembly is larger than a distance between the second inner surface and the electrode assembly.

Abstract: A power converter having a spectrum spreading control mechanism is provided. In the power converter, a buffer circuit, according to a plurality of energy upper limit values respectively of a plurality of frequency bands falling within a switching frequency range, determines a plurality of buffering ratios corresponding respectively to the plurality of frequency bands. In the power converter, the buffer circuit buffers a voltage signal from an inductor based on one of the plurality of buffering ratios that corresponds to one of the plurality of frequency bands within which a switching frequency of the high-side switch and the low-side switch currently falls. In the power converter, an on-time determining circuit determines an on-time of the high-side switch and an on-time of the low-side switch, according to the buffered voltage signal.

Abstract: Semiconductor structures and methods for forming the same are provided. The semiconductor structure includes a first transistor over a substrate, including a first channel layer over the substrate, a second channel layer over and spaced apart from the first channel layer in a first direction, and a first source/drain structure attached to the first channel layer and the second channel layer. The semiconductor structure further includes a second transistor over the substrate, including a third channel layer over the substrate, a fourth channel layer over and spaced apart from the third channel layer in the first direction, and a second source/drain structure attached to the third channel layer and the fourth channel layer. In addition, a dimension of the first source/drain structure in the first direction is different from a dimension of the second source/drain structure in the first direction.

Abstract: An electrode plate includes a current collector and an active substance layer. A surface of the active substance layer is configured to form a concave surface of a bending layer is depressed inwardly and is provided with multiple buffer spaces, and the multiple buffer spaces are arranged to not penetrate through the current collector.

Abstract: A positive electrode plate has a plurality of corner areas spaced along a first direction. Each corner area forms a first bending layer of an electrode assembly when the positive electrode plate is wound along the first direction. The positive electrode plate includes a current collector and active substance layers arranged on two opposite surfaces of the current collector. The first bending layer is provided with a concave surface, and in at least one of the plurality of corner areas, one or a plurality of aperture(s) is/are arranged on the active substance layers configured to form the concave surface.

Abstract: A switching charger having fast dynamic response for transition of a load is provided. A first terminal of a high-side switch is coupled to an input voltage. A first terminal of a low-side switch is connected to a second terminal of the high-side switch. A first terminal of an inductor is connected to a node between the first terminal of the low-side switch and the second terminal of the high-side switch. A second terminal of the inductor is connected to a first terminal of a capacitor. A constant on-time circuit determines a duty cycle of an on-time signal according to the input voltage and an output voltage of a node between the second terminal of the inductor and the first terminal of the capacitor. A control circuit controls a driver circuit to drive the high-side switch and the low-side switch according to the on-time signal.

Abstract: The present disclosure provides compounds useful for the inhibition of KRAS G12D. The compounds have a general Formula I: (I) wherein the variables of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, uses of the compounds, and compositions for treatment of, for example, cancer.

Abstract: The present disclosure provides compounds useful for the inhibition of KRAS G12D. The compounds have a general Formula I: (I) wherein the variables of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, uses of the compounds, and compositions for treatment of, for example, cancer.

Abstract: The present disclosure provides compounds useful for the inhibition of KRAS G12D. The compounds have a general Formula (I): wherein the variables of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, uses of the compounds, and compositions for treatment of, for example, cancer.