Abstract: A material structure for silicon-based gallium nitride microwave and millimeter-wave devices and a manufacturing method thereof are provided. The material structure includes: a silicon substrate; a dielectric layer of high thermal conductivity, disposed on an upper surface of the silicon substrate, and an uneven first patterned interface being formed between the dielectric layer and the silicon substrate; a buffer layer, disposed on an upper surface of the dielectric layer, and an uneven second patterned interface being formed between the buffer layer and the dielectric layer; a channel layer, disposed on an upper surface of the buffer layer; and a composite barrier layer, disposed on an upper surface of the channel layer. In the material structure, the uneven patterned interfaces increase contact areas of the interfaces, a thermal boundary resistance and a thermal resistance of device are reduced, and a heat dissipation performance of device is improved.

Abstract: The embodiments of the present application disclose a method and apparatus for calculating carbon emission intensities, and a terminal and a storage medium thereof, which belong to the field of energy management. The method includes: acquiring basic attribute data of a power system, and acquiring an active power generation amount of a power generator set based on the basic attribute data; acquiring an initial value of a carbon emission factor of power generation fuel of the power generator set according to a life cycle type of the power generator set, wherein the initial value is defined to indicate a carbon emission amount caused by a unit power generation amount; and acquiring a carbon intensity of the power generator set based on the active power generation amount and the initial weight value of the power generator set.

Abstract: A method and apparatus for driving a vehicle in a virtual environment, a terminal, and a storage medium. The method includes: displaying a driving picture and a map display control, the driving picture being a picture in which a virtual object drives a virtual vehicle in a virtual environment, and the virtual vehicle being in a manual driving mode; receiving a marking operation on the map display control in response to the virtual vehicle being located in an automatic driving region in the virtual environment, the marking operation being an operation of marking a location in the map display control; and switching the virtual vehicle to an automatic driving mode in response to the marking operation, and controlling the virtual vehicle to automatically drive to a destination.

Abstract: This application discloses a method and apparatus for application of a scope in a virtual environment, a device, and a storage medium, and relates to the field of virtual environments.

Abstract: A flow rate adjustment device includes: an adjustment unit including a pipe and a sealing plate provided below an outlet of the pipe, the sealing plate having a sealing surface; and a moving unit that moves the sealing plate to a sealing position where the sealing surface of the sealing plate is positioned vertically below the outlet of the pipe and a retraction position where the sealing surface of the sealing plate is retracted from a point vertically below the outlet of the pipe.

Abstract: A method for controlling a virtual object in a virtual environment performed by a computer device is provided. The method includes: displaying a joystick control for controlling movement of the virtual object in the virtual scene, the joystick control comprising a plurality of trigger regions, each trigger regions having a unique sensitivity; detecting a first sliding operation whose start position is located in a first trigger region of the plurality of trigger regions; determining a first movement speed of the virtual object based on a sensitivity of the first trigger region; and controlling the virtual object to move at the first movement speed. A user may start performing a sliding operation at the trigger regions with the different sensitivities based on different demands, so that the virtual object can be controlled to move at different speeds, thereby enriching a manner for controlling the virtual object, and improving human-computer interaction efficiency.

Abstract: Provided are an ionizable lipid compound of formula I for nucleic acid delivery and an LNP composition thereof, which can efficiency and stably deliver a biologically active substance to a target cell or an organ. The mRNA LNP prepared by using the lipid compound as a cationic lipid has better stability and transfection efficiency, and can cause a higher specific antibody response in an experimental animal body.

Abstract: A cooling tower louver, including an adjustment module and a fixing module, is provided. Particularly, the adjustment module includes length adjustment assemblies, an angle adjustment assembly, and coupling assemblies, in which the angle adjustment assembly is positioned above the length adjustment assemblies, the coupling assemblies are positioned on a side of the angle adjustment assembly. Furthermore, the fixing module includes slat assemblies and a framework, in which the slat assemblies are located in the framework. Through the collaborative efforts of the adjustment module and the fixing module, it's possible to maintain the cooling tower's air intake capacity while minimizing the ingress of rainwater during wet conditions. The cooling tower system effectively mitigates the risk of equipment damage due to freezing during the winter season. Moreover, the anti-freezing method for the cooling tower streamlines the anti-freezing strategy and offers enhanced convenience in terms of regulation and control.

Abstract: A virtual object control method includes: displaying a mode selection interface of a shooting game; starting, in response to a selection instruction for a target game mode in the mode selection interface, a game battle of the target game mode, and displaying a battle interface of the game battle; controlling a first virtual object to operate in a virtual environment provided by the game battle; controlling, in response to a shooting instruction for a virtual firearm used by the first virtual object, the virtual firearm to fire a virtual bullet; and determining, when the virtual bullet hits a second virtual object in the game battle, that the second virtual object is switched from a alive state to a death state.

Abstract: The present invention provides MDM2 inhibitor compounds of Formula I, wherein the variables are defined above, which compounds are useful as therapeutic agents, particularly for the treatment of cancers. The present invention also relates to pharmaceutical compositions that contain an MDM2 inhibitor.

Abstract: A virtual prop control method includes: displaying a crosshair of a virtual shooting prop in a game scene of a virtual shooting game; detecting whether an aiming ray of the virtual shooting prop is in contact with adhesion boxes of other virtual operation objects in response to an input operation of the target virtual operation object, the aiming ray representing a direction aimed by the crosshair, the input operation including a target touch operation on a display screen that displays the game scene; and determining, from the non-target virtual operation objects corresponding to the contacted adhesion boxes, an adhesion target of the virtual shooting prop during shooting of the virtual shooting prop.

Abstract: Disclosed is a ring cutting tool for large cables including an installation component having a base and a middle support; an adjustment component at the support's bottom, the adjustment component includes an adjustment seat located at the bottom of the support, a scale component set inside the adjustment seat and a feeding component positioned inside and outside the adjustment seat; and a ring cutting component positioned at the bottom of the adjustment seat, the ring cutting component includes a drive component positioned between the base and the support, a cutting blade positioned at the bottom of the adjustment seat, and a locking component positioned inside the cutting blade. These components and the ring cutting component arrangement allow the device to automatically advance the cutting blade when cutting cable insulation, which not only reduces the cutting pressure of the device but also prevents damage to the interior of the cable.

Abstract: This application discloses an image display method and apparatus, a storage medium, and an electronic device. The method includes: displaying identifiers of a set of images in a game screen of a target game application, obtaining a first operation directed to selecting an identifier of a first image from among the identifiers of the set of images, selecting an identifier of the first image in response to the first operation, and displaying the selected image on a first region of the game screen.

Abstract: Provided are a constant-power pure sine wave output circuit, a device, and a power supply system. The circuit includes an AC-DC module, a charging module, a DC-DC boost module, a DC-AC output module, and an MCU module. The AC-DC module is electrically connected to the DC-DC boost module through the charging module, and the DC-DC boost module is electrically connected to the DC-AC output module. The MCU module is electrically connected to both the AC-DC module and the charging module. When there is a power outage, the first DC signal output by the AC-DC module will be lower than the preset DC threshold value, and the MCU module controls the charging module to transmit the second DC signal to the DC-DC boost module. Therefore, the circuit is capable of avoiding subsequent power outages, improving power supply stability, and meeting the requirements of applications with higher lighting demands.

Abstract: The present disclosure provides a wearable device with a rear view function, the wearable device including: a wearable main body having a front view area and a rear view area; an image guide assembly fixed on the wearable main body and crossing over the front view area and the rear view area, wherein the image guide assembly has at least one light inlet and a light outlet, the at least one light inlet is in the rear view area, and the image guide assembly is configured to transmit rear view light received by the at least one light inlet to the light outlet and emit the rear view light; and a floating imaging assembly fixed on the wearable main body, and configured to form a floating image of a rear view image in the front view area according to light emitted from the light outlet.

Abstract: A virtual object control method is performed at a computing device. The method includes: displaying a user interface (UI); receiving a touch operation signal corresponding to an operation control by a user of the computing device; obtaining attribute information of the touch operation signal; determining, according to a first posture of a virtual object and the attribute information, a second posture to which the virtual object is to be switched, wherein the first posture is a current posture of the virtual object in the virtual environment; and switching the virtual object from the first posture to the second posture. In the technical solutions, a virtual object is controlled to switch between different postures through different operations on the same operation control, which removes the limitation that one operation control can only control switching of one posture, thereby helping to make the UI more concise and user-friendly.

Abstract: This application discloses an image display method and apparatus, a storage medium, and an electronic device. The method includes: displaying identifiers of a set of images in a game screen of a target game application, obtaining a first operation directed to selecting an identifier of a first image from among the identifiers of the set of images, selecting an identifier of the first image in response to the first operation, and displaying the selected image on a first region of the game screen.

Abstract: This application discloses a virtual object control method performed by an electronic device. The method includes: displaying an environment picture, a virtual environment including a bonus draw prop; obtaining, in response to a target virtual object being located in an interactive distance range of the bonus draw prop, a teleportation skill from the bonus draw prop; displaying, when a skill display condition is met, a teleportation skill control used for triggering the teleportation skill; and moving the target virtual object from a first position to a second position in response to receiving a trigger operation for the teleportation skill associated with the teleportation skill control. In this way, the human-computer interaction efficiency in a process of controlling the target virtual object to move is improved.

Abstract: Disclosed are a special tooling and method for electron beam welding of a cavity body and a beam tube of a superconducting niobium cavity. The special tooling includes a first clamping device for fixing a flange and a second clamping device for fixing a semi-cavity body, wherein the first clamping device and the second clamping device are fixedly connected. A pressing ring of the first clamping device is disposed around a beam tube of a superconducting niobium cavity and cooperates with a base plate to clamp and fix the flange. The second clamping device includes clamping arms evenly distributed along a circumference of the semi-cavity body, and each clamping arm includes a second pressing plate axially disposed along the beam tube and a pressing block that is disposed on an end portion of the second pressing plate and fixes an edge of the semi-cavity body.

Abstract: A method for preparing an AlN based template having a Si substrate and a method for preparing a GaN based epitaxial structure having a Si substrate are provided. The method for preparing the AlN based template having the Si substrate, which includes: providing the Si substrate; growing an AlN nucleation layer on the Si substrate; and introducing an ion passing through the AlN nucleation layer and into the Si substrate. After the AlN nucleation layer is prepared on the Si substrate, the ions are introduced into the Si substrate and the AlN nucleation layer through the AlN nucleation layer. In this way, types of the introduced ions can be expanded. In addition, a carrier concentration at an interface between the Si substrate and the AlN nucleation layer and a carrier concentration in the AlN nucleation layer can also be reduced.