Abstract: Disclosed herein is a memory device that includes a stack structure. The stack structure has alternating first layers and dielectric layers. The stack structure has a first surface and a second surface opposite to the first surface. First contact structures include a conductive material. The first contact structures penetrate from the first surface into the stack structure to be in contact respectively with a first portion of first layers. Second contact structures include a conductive material. Each of the second contact structures penetrates from the second surface into the stack structure to be in contact respectively with a remainder portion of conductive layers other than the first portion of the first layers.

Abstract: A method for identifying an individual of an oplegnathus punctatus based on a convolutional neural network is provided. Target initial positioning involves three continuous convolutional layers and an average pooling layer. A region of feature interest point is obtained, a hyperparameter candidate box is set to obtain a region, thereby obtaining an approximate position of a target object. II_Net backbone convolutional neural network includes six convolutional layers and four pooling layers, which includes a LeakyReLU activation function used as an activation function of the first convolutional layer, convolutional network layers of Alexnet and parameter data, and a maximum pooling layer of an overlapped pooling structure. Fully connected layers use a genetic algorithm to improve data transmission between layers. With the established model, identification of the individual of the oplegnathus punctatus is performed by using test data.

Abstract: A semiconductor device includes N number of decks. Each deck includes alternating word line layers and insulating layers. Each deck includes two first gate line slit (GLS) structures and a second GLS structure positioned between the two first GLS structures. The two first GLS structures and the second GLS structures each extend in an X-Z plane and cut through the word line layers and the insulating layers of the respective deck. At least one second GLS structure of at least one deck in the N umber of decks includes multiple sub-GLS structures. The multiple sub-GLS structures are separate from each other.

Abstract: A semiconductor device includes Number of decks that are stacked up in a Z direction and extend in parallel with an X-Y plane. N is an integer greater than 1. Each deck includes alternating word line layers and insulating layers. The N number of decks includes a first deck and a second deck adjacent to the first deck. A multi-deck gate line slit (GLS) structure extends in an X-Z plane and cuts through the word line layers and the insulating layers of the N number of decks. The multi-deck GLS structure has a first sidewall in the first deck, a second sidewall in the second deck, and a third sidewall at a border between the first deck and the second deck. The third sidewall connects the first sidewall and the second sidewall.

Abstract: A semiconductor device includes decks stacked over a semiconductor layer in a vertical direction. Each deck includes alternating word line layers and insulating layers. A gate line structure (GLS) extends through the word line layers and the insulating layers of the decks. A channel structure extends through the word line layers and the insulating layers of the decks. A sidewall of the GLS is discontinuous at a border between two neighboring decks, and a sidewall of the channel structure is discontinuous at an interface between two neighboring decks. The GLS includes a first GLS that includes a gate line slit, a second GLS that includes sub-GLSs spaced apart from each other in a horizontal direction, or a combination thereof.

Abstract: A semiconductor device includes a stack of alternating word line layers and insulating layers. The stack includes a core area, a stair step area, and, optionally, a dummy transition area connecting the core area to the stair step area. The semiconductor device also includes a gate line (GL) trench through the stack extending from the core area through the dummy transition area to the stair step area. The GL trench has a first width within the core area and a second width within the stair step area that is different from the first width. The semiconductor device also includes a first channel structure formed through the stack within the core area, and a stair step contact (SCT) formed through at least a portion of the stack within the stair step area. The SCT connects one of the word line layers of the stack within the stair step area.

Abstract: In certain aspects, a three-dimensional (3D) memory device includes a stack structure including alternating conductive layers and dielectric layers and having at least two core regions and a staircase region between the two core regions, and bridge structures connecting the two core regions and extending through the staircase region in a first direction. A first bridge structure of the bridge structures includes at least two current paths between the two core regions.

Abstract: A split-type friction stir welding head with an adjustable stirring pin length includes a stirring head housing, where a clamping handle and a detachable stirring pin are successively mounted in the stirring head housing towards a welding direction, the clamping handle is provided with external threads on a periphery thereof and in drive connection with an adjusting plate through threads, the adjusting plate is limited, fixed and mounted in the stirring head housing, and a pore-diameter-adjustable aperture shoulder is mounted between a bottom of the stirring head housing and the detachable stirring pin in order to compensate for an outside gap between a stirring pin channel of the stirring head housing and the detachable stirring pin.

Abstract: A shoulder-angle-adjustable friction stir welding head suitable for a fillet joint includes a stirring head body. A front end of the stirring head body is mounted with a movable shoulder, a stirring pin channel is arranged on the movable shoulder, and the stirring pin channel may allow a stirring pin of the stirring head body to pass through. The present disclosure can respond to welding tasks of the fillet joint of different angles and enlarges an application scope of the friction stir welding head in a manner that the front end of the stirring head body is mounted with the movable shoulder, the stirring pin channel is arranged on the movable shoulder, the stirring pin channel is used for allowing the stirring pin of the stirring head body to pass through, and the angle of the movable shoulder is adjusted.

Abstract: The present invention discloses a vehicle-mounted large-flow fire-fighting foam fluid mixing system, including a supply kit, a mixing kit, a control kit, and a pipeline kit. The supply kit includes an auxiliary gas supply device, a fire pump, an integrated foam pump, a fire pump main motor, and a coupling. The mixing kit includes a fire monitor interface, a foam generating device, and a fluid mixing device. The control kit includes a foam mixing proportion single-chip microcomputer control system, an alarm module, a power module, an auxiliary air compressor switch module, a frequency converter, and a central control display screen. The pipeline kit includes an air drainage tube, a fire hose, a foam liquid pipe, and a pipeline valve. For the problems of flow fluctuation and low foam foaming efficiency, the present invention optimizes the design and adopts a new control policy, thereby implementing precise mixing under the large-flow condition.

Abstract: The disclosure relates to the technical field of vehicle accessories, and specifically provides an electric motor for a vehicle and a vehicle. The disclosure aims to solve the problems existing in an existing electric motor for a vehicle that during spraying and cooling of an outer surface of an iron core, a heat dissipation area of the outer surface of the iron core is small, and a convective heat transfer coefficient of a heat dissipation surface is small.

Abstract: The disclosure relates to the technical field of vehicle accessories, and specifically provides an electric motor for a vehicle and a vehicle. The disclosure aims to solve the problems existing in an existing electric motor for a vehicle that during spraying and cooling of an outer surface of an iron core, a heat dissipation area of the outer surface of the iron core is small, and a cooling oil easily flows along an outer wall of a cooling oil ring, so that an end portion of a winding cannot be cooled.

Abstract: An electrochemical device including a housing, an electrode assembly being of a wound structure and including electrode plates and a separator, a first bonding piece, and a second bonding piece. In a winding direction, the electrode assembly includes a first section, a first bend section, a second section, and a second bend section connected sequentially. An outermost coil of the first section is the separator. The first bonding piece is configured to bond an outermost coil of the electrode plates in the first section together with the separator located outside the outermost coil of the electrode plates in the first section. A bonding force between the first bonding piece and the outermost coil of the electrode plates in the first section is 3 N/m to 30 N/m. The second bonding piece is configured to bond an outermost coil of the separator in the first section together with the housing.

Abstract: A method of fabricating a three-dimensional memory includes forming a laminated structure including stacked dummy gate layers and interlayer insulation layers on one side of a substrate. The respective adjacent dummy gate layers and interlayer insulation layers form staircase stairs. At least a part of the interlayer insulation layer of each of the staircase stairs is exposed. The method also includes forming a buffer layer covering the staircase stairs. The method further includes removing a part of the buffer layer covering the sidewalls of the staircase stairs to form spacing grooves. The method further includes forming a dielectric layer that fills the spacing grooves and covers the staircase stairs. The method further includes forming a contact hole penetrating through the dielectric layer and the buffer layer and extending to the dummy gate layer farthest from the substrate.

Abstract: A few-shot learning based intrusion detection method of an industrial control system, including: dividing an original data set extracted from a data flow of the industrial control system into a detection model training set and a basic model training set; using principal component analysis method to reduce dimension of a continuous data matrix M in the two training sets; using one-hot encoding method to process a discrete data matrix V in the two training sets; using processed basic model training set to construct few-shot training tasks required for basic model training; training a basic model based on convolutional neural networks with help of constructed few-shot training tasks; based on trained basic model, using processed detection model training set for further training to obtain the detection model; effectively detecting attacks in real-time data streams with help of center vectors of three different types of samples in the detection model.

Abstract: A method for identifying an individual of an oplegnathus punctatus based on a convolutional neural network is provided. Target initial positioning involves three continuous convolutional layers and an average pooling layer. A region of feature interest point is obtained, a hyperparameter candidate box is set to obtain a region, thereby obtaining an approximate position of a target object. II_Net backbone convolutional neural network includes six convolutional layers and four pooling layers, which includes a LeakyReLU activation function used as an activation function of the first convolutional layer, convolutional network layers of Alexnet and parameter data, and a maximum pooling layer of an overlapped pooling structure. Fully connected layers use a genetic algorithm to improve data transmission between layers. With the established model, identification of the individual of the oplegnathus punctatus is performed by using test data.

Abstract: The present invention discloses a vehicle-mounted large-flow fire-fighting foam fluid mixing system, including a supply kit, a mixing kit, a control kit, and a pipeline kit. The supply kit includes an auxiliary gas supply device, a fire pump, an integrated foam pump, a fire pump main motor, and a coupling. The mixing kit includes a fire monitor interface, a foam generating device, and a fluid mixing device. The control kit includes a foam mixing proportion single-chip microcomputer control system, an alarm module, a power module, an auxiliary air compressor switch module, a frequency converter, and a central control display screen. The pipeline kit includes an air drainage tube, a fire hose, a foam liquid pipe, and a pipeline valve. For the problems of flow fluctuation and low foam foaming efficiency, the present invention optimizes the design and adopts a new control policy, thereby implementing precise mixing under the large-flow condition.

Abstract: The invention provides polypeptides comprising a complement factor B analog. The invention also provides various complement factor B analogs including complement factor B analogs comprising a mutation of a free cysteine amino acid and related methods, nucleic acids and vectors. These complement factor B analogs and related methods, nucleic acids and vectors can be used to modulate a complement pathway or for the study and/or treatment of various conditions or diseases related to a complement pathway.

Abstract: The present invention discloses a gas-powder separation three-phase jet flow fire monitor system, including a gas-powder separation three-phase fire monitor head, a filter, a nitrogen pressurization apparatus and a dry powder tank. The dry powder tank is connected to a gas-powder mixture inlet pipe of the gas-powder separation three-phase fire monitor head through a pipeline. A nitrogen outlet pipe of the gas-powder separation three-phase fire monitor head is connected with one end of the nitrogen pressurization apparatus through the filter. The other end of the nitrogen pressurization apparatus is connected with the dry powder tank. The present invention is simple in structure and convenient to use.

Abstract: The invention provides polypeptides comprising a complement factor B analog. The invention also provides various complement factor B analogs including complement factor B analogs comprising a mutation of a free cysteine amino acid and related methods, nucleic acids and vectors. These complement factor B analogs and related methods, nucleic acids and vectors can be used to modulate a complement pathway or for the study and/or treatment of various conditions or diseases related to a complement pathway.