Abstract: A vacuum-flocculation-solidification integrated apparatus for waste mud and a using method thereof are provided, and the apparatus includes an outer support truss, a vacuum barrel wall, a flocculation stirring device, and a rotary spraying solidification device. The using method of the apparatus includes: flattening a site and installing a support truss and a vacuum barrel wall; assembling a flocculation stirring device and then hoisting and installing to a top of the vacuum barrel wall; checking an air tightness; adding an APAM flocculant, starting the flocculation stirring device and a vacuum pump; starting an air compressor; and squeezing solidified soil from soil outlets. Beneficial effects of apparatus are that: multiple procedures of flocculation, vacuum drainage, solidification and discharging soil for the waste mud are continuously performed; a solidification agent is fully mixed with solidified soil through rotary spraying; and the apparatus is convenient to be disassembled, reassembled, and reused.

Abstract: Example wireless communication methods and apparatus are described. One example method includes a terminal initiates a reestablishment procedure when a handover procedure of the terminal fails. When a base station reselected by the terminal is a base station (that is, a target base station) to which the terminal is handed over in a handover procedure, and because a key of the base station is updated in the handover procedure, the base station includes key derivation information in a reestablishment message to be sent to the terminal. Therefore, the terminal can update a key of the terminal based on the key derivation information, so that the key of the terminal can be consistent with the key of the base station.

Abstract: Disclosed are an optical fiber scanner and a projection apparatus. The optical fiber scanner comprises a housing, an optical fiber enclosed in the housing, an actuator, and projection objective lenses, wherein the optical fiber comprises a fiber core and an inner cladding; the optical fiber is fixed on the actuator, one end of the optical fiber extends beyond the actuator to form an optical fiber cantilever, and a fiber core end face of the optical fiber cantilever is recessed inwards to form a negative focal power, such that an equivalent light-emitting surface of the fiber core end face is reversely focused in the fiber core; and the projection objective lenses are arranged on a light-emitting path of the optical fiber cantilever and are used for focusing and imaging the equivalent light-emitting surface (6).

Abstract: An image capture device (100) is disclosed that includes a body (102) and a door assembly (400) that is configured for removable connection to the body (102). The door assembly (400) includes a door body (500); a locking mechanism (600) that is slidable in relation to the door body (500) between a locked position and an unlocked position; and at least one biasing member (700) that is configured for engagement (contact) with the door body (500) and the locking mechanism (600) to automatically move the locking mechanism (600) into the locked position upon closure of the door assembly (400).

Abstract: A driving apparatus includes a bearing member and a driving structure, where a lens is fixed to the bearing member, and the driving structure includes a guide member, a fixing member, and at least two groups of driving assemblies. At least one group of driving assemblies are arranged between the fixing member and the guide member, at least one group of driving assemblies are arranged between the guide member and the bearing member, to drive the guide member to move in a first direction and the bearing member to move in a second direction, and an included angle is formed between the first direction and the second direction to drive the lens to move arbitrarily in a plane where the bearing member is located.

Abstract: A semiconductor package includes a semiconductor device, an encapsulating material encapsulating the semiconductor device, and a redistribution structure disposed over the encapsulating material and the semiconductor device. The semiconductor device includes an active surface having conductive bumps and a dielectric film encapsulating the conductive bumps, where a material of the dielectric film comprises an epoxy resin and a filler. The conductive bumps are isolated from the encapsulating material by the dielectric film, and the redistribution structure is electrically connected to the conductive bumps. A manufacturing method of a semiconductor package is also provided.

Abstract: A valve needle assembly, an electronic expansion valve and a refrigeration device are provided. The valve needle assembly has a valve needle sleeve, a valve rod, a valve needle, a buffer slider and a buffer spring. The valve needle sleeve has a first open end and a second open end opposite to each other. The valve rod has a driving end movably matched with the valve needle sleeve through the first open end to drive the valve needle provided on the second open end. The buffer slider is provided in the valve needle sleeve and abuts against the valve needle. The buffer spring is provided in the valve needle sleeve, through which the driving end is connected to the buffer slider.

Abstract: An electronic expansion valve and a refrigeration device are provided. The electronic expansion valve has a valve seat, a nut and a connection piece. The valve seat is provided with a valve cavity. One end of the nut is installed in the valve cavity. An outer wall of the nut is provided with an annular position part that extends from the outer wall. The position part is positioned to be in contact with a wall of the valve cavity. One end of the connection piece is fixedly connected to the nut. Another end of the connection piece is extended away from the nut and fixedly connected to an axial end surface of the valve seat.

Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.

Abstract: Embodiments of the present disclosure provide a method and apparatus for processing a multi-language text. According to embodiments of the present disclosure, the multi-language text including contents in a plurality of languages may be encoded with a Unicode. The method further comprises splitting the multi-language text into a plurality of parts based on the Unicode of the multi-language text, contents of the plurality of parts having different languages. In addition, the multi-language text may also be processed based on the plurality of parts.

Abstract: A federated learning system using synonym includes a moderator and a plurality of clients. Each client includes an encoder encoding private data into a digest. The client trains a client model according to the private data, the digest and a general model, and sends the digest and a client parameter of the client model to the moderator. The moderator communicably connected to every client includes a synonym generator, sends the general model to every client, and determines an absent client of the plurality of client. The synonym generator generates a synonym of the digest corresponding to the absent client. The moderator trains a replacement model according to the synonym and the digest corresponding to the absent client device, performs an aggregation to update the general model according to a replacement parameter of the replacement model and the client parameter of every client except the absent client.

Abstract: A federated learning method using synonym includes: sending a general model to every client device by a moderator; performing a training procedure by each client device, wherein the training procedure includes: encoding private data into a digest; training a client model according to the private data, the digest and the general model, and sending the digest and a client parameter of the client model to the moderator; determining an absent client device of the plurality of client devices by the moderator; generating a synonym of the digest corresponding to the absent client device by a synonym generator; training a replacement model according to the synonym and the digest corresponding to the absent client device by the moderator; and performing an aggregation to update the general model by the moderator according to the replacement model and the client parameter of every client devices except the absent client device.

Abstract: An electric connector assembly includes a socket and a plug. The socket has a first casing, a base and a first pin assembly. The first pin assembly has a plurality of ground terminals and signal terminals. Each ground terminal has a specific height, and has a first coupling portion disposed on a first end. The plug has a second casing, a receiving base and a second pin assembly. The second pin assembly has a plurality of connecting terminals. Each connecting terminal has a second coupling portion disposed on a second end. When the plug is coupling with the socket, the connecting terminals of the plug respectively clamp the ground terminals and the signal terminals of the socket, and the second coupling portions of the connecting terminals are respectively engaged with the first coupling portions of the ground terminals to increase contact areas.

Abstract: The present disclosure provides automatic cleaning system and method. The automatic cleaning system includes a control unit, a Micro Control Unit (MCU), a cleaning device and a sensor device. The control unit is configured to determine a cleaning type for cleaning a protective cover of a camera based on an image captured by the camera and the measured temperature and humidity on the outer surface of the protective cover. The control unit is also configured to generate a cleaning instruction based on the cleaning type. The control unit is also configured to send the instruction to the MCU. The MCU is configured to control the cleaning device to clean the protective cover of the camera in accordance with the cleaning instruction in response to receiving the instruction sent from the control unit.

Abstract: Systems and methods for assessing similarity of documents are provided. Embodiments of the systems and methods include extracting a reference document text from a reference document, extracting an archived document text from an archived document, and quantifying the reference document and the archived document. The systems and methods may also include determining a document similarity value of the quantified reference document and the archived document. Determining the document similarity value includes calculating a set of vector similarity values for a set of combinations of a reference document text vector and an archived document text vector, and calculating the document similarity value, including a sum of the plurality of vector similarity values.

Abstract: Provided is a cleaning apparatus, including a liquid supply tank, a liquid storage tank, a first cleaning component, a first rib, disposed on the first cleaning component, for being in contact with a member to be cleaned; where the first rib has two opposite walls protruding above a top surface of the first cleaning component, and the two opposite walls extend along a length direction of the first cleaning component; and a liquid supply port, supplying cleaning liquid in the liquid supply tank to the first cleaning component, where the liquid supply port faces down toward a liquid input end of the first cleaning component; and where liquid injected from the liquid input end flows toward the member to be cleaned and cleans the member to be cleaned under a guidance of the two opposite walls, and is collected to the liquid storage tank.

Abstract: An underwater cleaning robot system includes an underwater robot and an overwater control platform, the underwater robot includes a cleaning robot and a driving robot, and the cleaning robot is carried on the driving robot; and the cleaning robot includes a motor and a pump, the pump is connected to the motor and driven by the motor to generate high-pressure fluid, and the overwater control platform communicates with the cleaning robot and the driving robot to control the cleaning robot and the driving robot. The overwater control platform and the underwater robot are connected by a thin zero-buoyancy cable, and the working range is over 1000 meters.

Abstract: A method for document similarity analysis. The method includes generating a reference document content identifier for a reference document, including identifying frequently occurring terms in reference document content, encoding each frequently occurring term in a term identifier and combining the term identifiers to form the reference document content identifier associated with the reference document. The method also includes obtaining at least one document similarity value by comparing the reference document content identifier to a set of archived document content identifiers stored in a document repository.

Abstract: An image capture device is disclosed that includes a body defining a peripheral cavity and a door assembly that is movable between an open position and a closed position to close and seal the peripheral cavity. The door assembly includes a door body; a slider that is supported by the door body for axial movement between a first position and a second position; a biasing member that is configured for engagement (contact) with the slider; a door lock including a stop that is configured for engagement (contact) with the biasing member; and a sealing member that is fixedly connected to the door lock.

Abstract: Provided are a battery winding method, a battery winding system, a battery and an electrical device. The battery winding method includes: winding; photographing a picture of a current winding layer; acquiring position data of a first point and of a second point according to the picture of the current winding layer, converting the position data of the first point to obtain the converted position data of a converted first point using a preset conversion matrix corresponding to the current winding layer based on the number of the current winding layers and calculating data of displacement between the first and second electrode plates based on the converted position data of the converted first point and the position data of the second point, and determining if the data of displacement is within a threshold value scope, if so, returning to wind a next winding layer, and if not, sending an alarm.