Abstract: The invention discloses a power mixer, radio frequency circuit, device and equipment, and belongs to the technical field of electronics and communication. The power mixer includes a mixer module, which amplifies an analog baseband current signal by a silicon germanium heterojunction bipolar transistor amplifying circuit, and converts a local oscillator voltage signal into a local oscillator current signal by a silicon germanium heterojunction bipolar transistor switching circuit. The silicon germanium heterojunction bipolar transistor switching circuit receives an amplified analog baseband current signal, and mixes the amplified analog baseband current signal and the local oscillator current signal into a radio frequency current signal; and a transformer module, which converts the radio frequency current signal into a radio frequency power signal and then outputs the radio frequency power signal from the power mixer.

Abstract: A terminal protective case and an audio playback system, the case including a housing, a diaphragm, a piezoelectric sheet, and a drive circuit. The housing has a main body part and a fastening frame part, a side of the fastening frame part is fastened to a periphery of the main body part, the fastening frame part and the main body part jointly enclose an accommodating groove configured to accommodate a terminal. The diaphragm is within the main body part, the piezoelectric sheet is fastened to the diaphragm, a front cavity is on a side of the diaphragm, a sound outlet hole is disposed on the main body part, and the sound outlet hole connects the front cavity to the outside of the main body part. The drive circuit is within the main body part and connected to the piezoelectric sheet, and is configured to drive the piezoelectric sheet.

Abstract: The present disclosure discloses a three-dimensional memory and a fabrication method thereof. The fabrication method comprises: forming a stack structure comprising alternately stacked dielectric layers and sacrificial layers; forming a gate line slit penetrating vertically penetrating the stack structure and extending in a first horizontal direction; and etching portions of the dielectric layers and the sacrificial layers adjacent to the gate line slit to form a plurality of recesses, wherein an aperture of each recess in a vertical direction is greater than a thickness of a corresponding sacrificial layer.

Abstract: Disclosed is a continuous feeding device for predatory mites, including a feeding part and an isolation part; the feeding part includes a plurality of feeding assemblies arranged in sequence from top to bottom, and the top and bottom ends of two adjacent feeding assemblies are detachably connected by a connector; the feeding assemblies include feeding boxes, bottom screens and supporting bases arranged in sequence from top to bottom; the bottom ends of the feeding boxes are fixedly connected with the top ends of the bottom screens, the bottom ends of the bottom screens are fixedly connected with the top ends of the supporting bases, and the bottom end of the supporting base of any feeding box is detachably connected with the top end of an adjacent feeding box through the connector; climbing pieces are arranged inside the feeding boxes; and an inducer is arranged outside the feeding boxes.

Abstract: In an implementation, a data storage method comprises obtaining a write request by a processing apparatus, where the write request includes first data to be written. Determining based on at least one of an access feature and a service requirement of the first data, a first category of the first data at a current moment; and indicating the storage apparatus to store the first data in a first type of storage unit. The first category indicates a programming rate requirement of the first data, and the first type is determined based on the first category.

Abstract: An audio transmission method includes: a second device sends noise energy data on the second device end and transmission efficiency data to a first device; the first device determines a first bit rate based on the noise energy data, and determines a second bit rate based on the transmission efficiency data; the first device encodes an audio stream based on a lower bit rate of the first bit rate and the second bit rate to obtain audio data; the first device sends the audio data obtained by encoding to the second device.

Abstract: A golf club head alloy is used to solve the problem of insufficient strength of conventional golf club heads. The golf club head alloy comprises 8-9 wt % of aluminum, 3.5-4.5 wt % of vanadium, ?2 wt % of molybdenum, with the balance being titanium and inevitable impurities. A golf club head produced from the golf club head alloy and a heat treatment method for the golf club head alloy are also disclosed.

Abstract: A data access method performed by a processing device is disclosed. The processing device manages a storage device based on a log-structured file system (LFS), where the processing device writes a target file to the storage device based on an out place update (OPU) mechanism; and the processing device writes file attribute information corresponding to the target file in the storage device to out of band (OOB) data of the storage device, to restore, after abnormal power-off, access to the target file by using the file attribute information stored in the OOB data. In this way, when writing the target file to the storage device, the processing device may write a file attribute corresponding to the target file to the OOB data, so that after abnormal power-off, access to the target file may be restored by using the file attribute information.

Abstract: A communications apparatus includes a radio transceiver transmitting or receiving wireless signals in a wireless network and a processor coupled to the radio transceiver. The processor is configured to perform operations comprising: transmitting pre-schedule mechanism assistance information to a network device in the wireless network for the network device to refer to for uplink (UL) resource allocation regarding a pre-schedule mechanism; receiving one or more uplink (UL) grants from the network device; and performing UL transmission to the network device responsive to receiving the one or more UL grants.

Abstract: A power optimization method for uplink data transmission is provided. The power optimization method is applied to user equipment (UE). The power optimization method includes the following steps. The UE determines the current application scenario of the UE. The UE determines the data transmission window corresponding to the current application scenario. Data transmission windows corresponding to different application scenarios of the UE have at least one of different period to transmit data and different period to enter suspension. The UE may transmit data based on the determined data transmission window.

Abstract: The present disclosure relates to novel compounds of Formula (I) that degrade Bruton's tyrosine kinase (BTK), pharmaceutical compositions containing such compounds, and their use in prevention and treatment of conditions modulated by BTK.

Abstract: A golf club head alloy includes 7-8 wt % of aluminium, 2-3 wt % of molybdenum, 1.4-2.0 wt % of chromium, 0.5-1.1 wt % of vanadium, 0.35-1 wt % of silicon, with the balance being titanium and inevitable impurities. A method of using the golf club head alloy to produce a golf club head is also disclosed.

Abstract: A biomagnetic microsphere and a preparation method and a method for protein isolation and purification therefor. The outer surface of a magnetic microsphere body of the biomagnetic microsphere has at least one liner polymer with a branched chain; one end of the linear polymer with a branched chain is covalently coupled to the outer surface of the magnetic microsphere body, and other parts are free on the outer surface of the magnetic microsphere body; a backbone of the linear polymer is a polyolefin backbone, and no cross-linking agent is required in the backbone forming process of the linear polymer. The prepared biomagnetic microsphere can implement efficient elution of target proteins and effectively reduce the retention time and retention ratio of the target proteins, and it is easy to operate and widely used.

Abstract: An imaging device includes a light emitter, an optical diffraction plate, a pair of wedge prisms, a rotation unit, a light receiver, and a processing unit. The light emitter emits a light beam. The optical diffraction plate is for converting the light beam into a plurality of diffracted light rays that forms a first light spot. The pair of wedge prisms is for adjusting an emission direction of the first light spot. The rotation unit is connected to the pair of wedge prisms and is for rotating the pair of wedge prisms relative to each other. The light receiver is for receiving a plurality of second light spots reflected from the plurality of first light spots. The processing unit is connected to the light receiver and is for generating a plurality of pieces of light spot information and processing the plurality of pieces of light spot information into image information.

Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.

Abstract: Provided herein are lipid formulations comprising a lipid and a capsid free, non-viral vector (e.g. ceDNA). Lipid particles (e.g., lipid nanoparticles) of the invention include a lipid formulation that can be used to deliver a capsid-free, non-viral DNA vector to a target site of interest (e.g., cell, tissue, organ, and the like).

Abstract: A method applied to a base station includes receiving UE-aiding information that includes a power consumption requirement of the UE; and configuring one or more transmission parameters to the UE based on the UE-aiding information. The transmission parameters may include at least one of the number of antennas, the number of component carriers, a transmission bandwidth, a modulation scheme, a scheduling request period, and a radio access technology (RAT).

Abstract: The present disclosure relates to novel compounds that degrade Bruton's tyrosine kinase (BTK), pharmaceutical compositions containing such compounds, and their use in prevention and treatment of conditions modulated by BTK.

Abstract: An electronic device includes a main body, a display disposed on the main body, and a sound-making assembly. The sound-making assembly includes a speaker box and a driving diaphragm located in the speaker box, the speaker box is disposed inside the main body or is formed using the main body and the display, where the main body includes a speaker grille corresponding to the speaker box, the driving diaphragm is fastened inside the speaker box and divides the speaker box into two sub-chambers, the speaker grille is coupled to one of the two sub-chambers, the driving diaphragm vibrates after receiving an audio signal, the driving diaphragm drives, through vibration of the driving diaphragm, air in the two sub-chambers to vibrate to make a sound, and the sound is propagated through the speaker grille.

Abstract: The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin.