Abstract: The present invention discloses a control apparatus and method for buoyancy adjustment of shield tunnel segments, wherein the inner end wall of anchor rod accommodating cavity is provided with a first slurry channel extending forward to the outer peripheral wall of anchor rod, the countersunk bolt is provided with a second slurry channel passing through the front and rear end faces of the countersunk bolt, and a locking structure is disposed in the accommodating cavity to lock the countersunk bolt in the accommodating cavity and connect the first slurry channel and second slurry channel. The entire construction process which can be carried out during the construction or operation period greatly reduces construction costs and space.

Abstract: The present disclosure belongs to the technical field of heat exchangers, and provides a heat exchanger based on a Gyroid/Diamond (GD-type) hybrid minimal surface-based disturbance structure. The heat exchanger includes a core, headers, and flanges. The core includes a cold fluid channel and a hot fluid channel, the cold fluid channel and the hot fluid channel are separated by a parting sheet. An inlet and an outlet of the cold fluid channel are separated from an inlet and an outlet of the hot fluid channel by sealing bars. A GD-type hybrid minimal surface-based disturbance structure is inserted into the hot fluid channel. A cold fluid and a hot fluid are distributed in a cross-flow manner.

Abstract: The present inventions provide eukaryotic cells, such as mammalian cells, that comprise adeno-associated virus (AAV) polynucleotides, including AAV capsid proteins (Cap), and are capable of expressing the polypeptides encoded by the AAV polynucleotides, and thereby are capable of producing AAV, including recombinant AAV. The eukaryotic cells also may comprise adenovirus (Ad) polynucleotides. The present inventions also provide methods of expressing AAV polynucleotides, as well as Ad polynucleotides, in eukaryotic cells, such as CHO cells, HEK 293 and BHK cells. The present inventions further provides other products and methods described herein.

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first initialization circuit and a reset circuit; the first initialization circuit configured to write a first initial voltage into the first end of the driving circuit under the control of an initialization control signal; the reset circuit is configured to write a reset voltage into the second end of the driving circuit or the first end of the driving circuit under the control of a second scan signal; the driving circuit is configured to control to connect the first end of the driving circuit and the second end of the driving circuit under the control of a potential of a control end of the driving circuit.

Abstract: The disclosed method may include providing, by a folding mirror region of a waveguide, two or more paths for light rays from an input mirror of the waveguide to an eye box of the waveguide. The method may also include supporting, by an output mirror of the waveguide, a field of view of at least sixty degrees by at least fifty degrees. The waveguide may correspond to a two-dimensional geometrical waveguide and the folding mirror region may fit entirely within a lens shape of the waveguide. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A method (of manufacturing a memory device) includes forming active regions extending in a first direction; over the active regions, doing as follows including, forming gate structures extending in a second direction perpendicular to the first direction, and forming contact-to-source/drain structures (MD structures) which extend in the second direction and are interspersed among corresponding ones of the gate structures; forming via-to-gate/MD (VGD) structures over corresponding ones of the gate structures and the MD structures; in a first metallization layer over the VGD structures, forming first front-side segments extending in the first direction and including one or more front-side routing (FRTE) segments; under the active regions, forming buried segment-to-source/drain structures (BVD structures); and in a first buried metallization layer under the BVD structures, forming first back-side segments extending in the first direction and including one or more first back-side power grid (BPG) segments.

Abstract: A battery module, including a positive electrode current collector, a negative electrode current collector, and a plurality of solid-state battery cells are disclosed. The plurality of solid-state battery cells are stacked between the positive electrode current collector and the negative electrode current collector. Adjacent ones of the solid-state battery cells are electrically connected through a current collector coating layer. The solid-state battery cells at both ends are electrically connected to the positive electrode current collector and the negative electrode current collector respectively. A method for preparing the battery module, a battery pack and an electrical apparatus are disclosed. The battery module has low production cost and a simple production process.

Abstract: The present application is directed to chromium-free anticorrosive coating composition and article made therefrom. The chromium-free anticorrosive coating composition comprises Component A, comprising a film-forming composition, a corrosion inhibiting composition, optional carriers and additional additives, wherein the corrosion inhibiting composition comprises anti-rust particles containing at least one phosphate compound of lithium and having a lithium content of at least 1.0% by weight; and optionally Component B, comprising a curing agent. The chromium-free anticorrosive coating composition according to the present application may be used as a primer or a direct-to-metal coating. The present application further discloses an article, comprising a metal substrate; and a coating formed of the above chromium-free anticorrosive coating composition which is directly applied to the metal substrate.

Abstract: This application provides an electric vehicle battery control circuit, system, and control method. The electric vehicle battery control circuit includes an electric vehicle battery, an energy storage module, a charging module, and a regulation switch component; where the charging module includes a switch module; the electric vehicle battery is connected in parallel with the switch module; the regulation switch component includes multiple switches, where the multiple switches are disposed between the electric vehicle battery and the charging module and between the energy storage module and the charging module; and the energy storage module, the regulation switch component, and the switch module are configured to, in response to control signals, regulate charging/discharging between the electric vehicle battery and the energy storage module, or regulate charging/discharging between the electric vehicle battery and the charging module as well as the energy storage module.

Abstract: A bullet-screen comment display method is provided.

Abstract: Provided is a liquid crystal handwriting panel. The liquid crystal handwriting panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer between the first substrate and the second substrate; wherein the first substrate includes: a first base substrate, a touch electrode layer on a side of the first base substrate, and a first drive electrode layer on a side of the first base substrate; the second substrate includes: a second base substrate, a second drive electrode layer on a side of the second base substrate, and a shielding layer on a side of the second base substrate.

Abstract: A memory device includes a first word line and a second word line. A first portion of the first word line is formed in a first metal layer, a second portion of the first word line is formed in a second metal layer above the first metal layer, and a third portion of the first word line is formed in a third metal layer below the second metal layer. A first portion of the second word line is formed in the first metal layer. A second portion of the second word line is formed in the second metal layer. The first portion, the second portion, and the third portion of the first word line have sizes that are different from each other, and the first portion and the second portion of the second word line have sizes that are different from each other.

Abstract: A memory cell includes a write port and a read port. The write port includes two cross-coupled inverters that form a storage unit. The cross-coupled inverters are connected between a first power source signal line and a second power source signal line. The write port also includes a first local interconnect line in an interconnect layer that is connected to the second power source signal line. The read port includes a transistor that is connected to the storage unit in the write port and to the second power source signal line, and a second local interconnect line in the interconnect layer that is connected to the second power source signal line. The second local interconnect line in the read port is separate from the first local interconnect line in the write port.

Abstract: A method for heating a power battery (1), an apparatus for heating a power battery (1), an electronic device, a system for heating a power battery (1), and a storage medium. The heating method includes: acquiring a current state parameter value of the power battery (1); and heating the power battery (1) using a corresponding heating mode based on the current state parameter value. After the temperature of the power battery (1) rises, the discharge capacity of the power battery (1) increases, and charging can be achieved.

Abstract: The present application provides a battery charging control method and apparatus, an electrical device, a charging device, and a storage medium. The battery charging control method includes: acquiring a battery heating state; and sending a first message carrying the battery heating state to a charging device, so that the charging device judges whether to enter a battery charging stage according to the battery heating state; wherein the battery heating state is a heating state or a heating completion state. Compared with the prior art, in the present application, the electrical device can autonomously implement a process of pulse heating followed by DC charging by relying on the interaction with the charging device, thereby avoiding possible damage to a power 10 battery caused by charging in a low-temperature environment and improving the experience of a user.

Abstract: A liquid crystal handwriting board is provided. The liquid crystal handwriting board includes a first substrate and a second substrate that are disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; wherein the first substrate includes: a first base substrate, and a transistor and a pixel electrode disposed at a side, proximal to the second substrate, of the first base substrate, the transistor being electrically connected to the pixel electrode; wherein the transistor includes a channel region, wherein a ratio of an area of the channel region to an on-current of the transistor is greater than a ratio of an area of a channel region of a reference transistor to an on-current of the reference transistor.

Abstract: An array grouping-based communication method and a communication apparatus are provided. A first signal is received from a first communication device using M groups of analog weights, where at least two groups of analog weights in the M groups of analog weights are different, and M is an integer greater than or equal to 2. Channel estimation is performed based on the first signal to obtain M channel estimation results, where the M channel estimation results are arranged in one-to-one correspondence with the M groups of analog weights. Signal receiving or sending processing is performed based on the M channel estimation results using a target analog weight, where the target analog weight is obtained based on the M groups of analog weights.

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first control circuit, a compensation control circuit and a first initialization circuit; the first control circuit is configured to control to connect the control end of the driving circuit and the connection node under the control of a first scan signal; the compensation control circuit is configured to control to connect the connection node and the first end of the driving circuit under the control of a second scan signal; the first initialization circuit is configured to write a first initialization voltage into the connection node under the control of an initialization control signal; the driving circuit is configured to control to connect the first end and a second end of the driving circuit under the control of a potential of the control end thereof.

Abstract: A display picture synchronization method includes a source device that sends a first picture frame and a first specified display time corresponding to the first picture frame to each of the sink devices. If each of the sink devices successfully receives the first picture frame and determines that the first picture frame is capable of being displayed based on the first specified display time, each of the devices for performing picture frame synchronization display displays the first picture frame based on the first specified display time. Each of the devices for performing picture frame synchronization display does not display the first picture frame if a first sink device in the sink devices fails to receive the first picture frame or successfully receives the first picture frame but determines that the first picture frame is incapable of being displayed based on the first specified display time.

Abstract: The present disclosure provides a process for preparing 5-chloro-2,3-dihydro-1H-inden-1-one and the 5-chloro-2,3-dihydro-1H-inden-1-one prepared by the process. The present disclosure also provides a process for preparing Indoxacarb and the Indoxacarb prepared by the process.