Abstract: A multi-station turning tool includes a lower bottom plate mechanism. A first hydraulic pipeline arranged in hydraulic fluid to an upper and an end face clamping hydraulic cylinders; a supporting plate mechanism internally provided with an air-detection pipeline; a positioning mechanism includes a substrate and a plurality of supporting blocks; an upper clamping mechanism includes a V-shaped clamping block connected to an upper clamping big arm that's connected to the upper clamping hydraulic cylinder; an end face clamping mechanism includes an end face clamping block that's connected to an end face clamping big arm that's connected to the end face clamping hydraulic cylinder through a piston ejector rod; an end face clamping air-detection mechanism includes an air pressure detection component, connected to a controller, and is capable of detecting a pressure of the air-detection pipeline to identify working states of the positioning mechanism and the upper clamping mechanisms.

Abstract: An interest token processing system integrated with blockchain and method thereof are disclosed. In the interest token processing system, a smart contract is deployed in blockchain environment, and interest tokens of a product or a service and a recycling condition of the interest tokens are generated for a specified target; when the product or the service is obtained through the interest tokens, the smart contract is executed to realize a part of the interest tokens based on the recycling condition and receive another part of the interest tokens for further distribution; during an operation of further distribution, the received interest tokens are distributed based on a ratio of a held amount of the interest tokens to a circulation amount of the interest tokens. Therefore, the technical effect of enabling the tokens to have usability and interest right can be achieved.

Abstract: Disclosed herein are a multimodal unsupervised meta-learning method and apparatus. The multimodal unsupervised meta-learning method includes training, by a multimodal unsupervised feature representation learning unit, an encoder configured to extract features of individual single-modal signals from a source multimodal dataset, generating, by a multimodal unsupervised task generation unit, a source task based on the features of individual single-modal signals, deriving, by a multimodal unsupervised learning method derivation unit, a learning method from the source task using the encoder, and training, by a target task performance unit, a model based on the learning method and features extracted from a small number of target datasets by the encoder, thus performing the target task.

Abstract: The present application provides a preparation method for trimethyl aluminum, comprising the steps of: reacting methyl aluminum dichloride or sesquimethyl aluminium chloride or dimethyl aluminum chloride with a system of metal M and methyl chloride in the presence of catalyst and solvent to produce trimethyl aluminum and chloride of metal M; wherein the catalyst is selected from metals or their ions which rank after metallic aluminum in the electrochemical series; the metal M is selected from alkali metals, alkaline earth metals or combinations thereof. The catalyst can significantly increase the reaction rate, thus allowing the reaction to be operated under very simple experimental conditions such as near atmospheric pressure, with higher reaction yields and higher purity of the products, and without by-products of aluminum metal and unreacted alkali or alkaline earth metals in products, making the handling of the products easier.

Abstract: Provided are a method and server for providing a content list. The method and server for providing a content list includes: providing source content to a chat room, receiving a request for providing a content list related to the source content from a first terminal of a first member; providing at least one of a first content list including at least one keyword-related content selected from among the entire contents stored in the server based on a keyword of the source content and a second content list including at least one group-related content belonging to the same group as a group of the source content among the entire contents, receiving information on selection content selected by the first member among the contents included in the at least one content list, from the first terminal, and providing the selection content to the chat room.

Abstract: A method for recommending emoticons based on emoticon preference information of a user is proposed. The method may include acquiring information on at least one preferred emoticon, wherein the at least one preferred emoticon is designated through an interaction with the user's emoticon according to a predefined method. The method may also include acquiring information on a matching text, wherein the matching text corresponds to at least one matching keyword. The method may further include displaying at least one recommended emoticon corresponding to the at least one matching keyword among the at least one preferred emoticon.

Abstract: An electronic device co-constructed with a hinge antenna and the hinge antenna thereof are provided. The electronic device includes a first casing, a second casing, a hinge assembly, and a hinge antenna. The hinge assembly is connected to the first casing and the second casing, so that the first casing and the second casing are opened and closed through rotation of the hinge assembly. The hinge assembly includes a horizontal fixed shaft. The hinge antenna is mounted on the horizontal fixed shaft and fixed on the hinge assembly. Therefore, the hinge antenna is mounted on the hinge assembly on the premise of maintaining the original appearance design, to improve the space utilization of the antenna.

Abstract: A boiling heat exchange system includes a heat exchanger including a chamber configured to hold a heat exchange fluid including a heat exchange vapor and a pool of heat exchange liquid and an evaporator tube having an outer surface and a thermally conductive open-cell porous material disposed on the outer surface and comprising a plurality of pores. The evaporator tube can be immersed in the heat exchange liquid held in the chamber and the heat exchange liquid will enter the pores. The open-cells of the open-cell porous material will heat the heat exchange liquid to cause the heat exchange liquid to boil to a heat exchange vapor and exchange heat with a source fluid flowing through the evaporator tube or with a component in thermal contact with the evaporator. A method of performing heat exchange is also disclosed.

Abstract: A sensor cleaning device includes a chamber portion disposed on the outer circumferential surface of a sensor and has an air passage and a discharge port formed therein. A blocking portion is coupled to the chamber portion to shield the discharge port and is configured to selectively open the discharge port by the injection pressure of injected air. A holder portion is coupled to the chamber portion while covering the blocking portion and is configured to control the opening displacement of the blocking portion when the blocking portion is opened.

Abstract: An apparatus and method for diagnosing damage of a switch in a battery protection circuit include a battery protection circuit including a first switch and a second switch connected to a battery pack and a switch damage diagnosing device for measuring in the battery protection circuit and for diagnosing whether any one of the first switch and the second switch is damaged. The source terminal of the first switch and the source terminal of the second switch can be connected to a common source, which can diagnose whether or not the switch is damaged only by measuring the voltage at a certain point without measuring a current.

Abstract: A cleaning apparatus and, more particularly, a sensor cleaning apparatus. The cleaning apparatus includes a nozzle configured to receive a fluid and inject the fluid to a subject. The nozzle is configured such that a cross-section thereof changes in a flow direction of the fluid.

Abstract: The present invention relates to a battery cell for evaluating an internal short circuit, and a method for evaluating using the battery cell, wherein an internal short circuit state of a battery cell can be easily induced and, at the same time, an effective internal short circuit evaluation is possible, and the battery cell comprising: first and second electrodes which comprise a coated region on which an electrode mixture layer is coated on a metal current collector and a non-coated region on which an electrode mixture layer is not coated, and which comprise first and second electrode tabs which protrude in one direction from the coated region and do not have an electrode mixture layer coated thereon.

Abstract: A method and system are provided to determine an optimal placement with respect to position and orientation for one or more bones in a workspace of a robot to improve robotic cutting and maximize the robot workspace during a robotic surgical procedure. The method is additionally useful to aid a user in positioning and orienting the bones in the operating room at the determined position and orientation.

Abstract: The present invention relates to a multi-modality system for recommending multiple items using an interaction and a method of operating the same. The multi-modality system includes an interaction data preprocessing module that preprocesses an interaction data set and converts the preprocessed interaction data set into interaction training data; an item data preprocessing module that preprocesses item information data and converts the preprocessed item information data into item training data; and a learning module that includes a neural network model that is trained using the interaction training data and the item training data and outputs a result including a set of recommended items using a conversation context with a user as input.

Abstract: Provided is an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the electrode.

Abstract: The present invention relates to a carbide tool cleaning and coating production line and a method, including a cleaning device including a support frame, a cleaning mechanism and a drying mechanism are sequentially disposed under the support frame connected to a moving mechanism, the moving mechanism is connected to a lifting mechanism being capable of being connected to a tool fixture bracket being configured to accommodate the tool fixture; a coating device including a coating chamber which a plane target mechanism and a turntable assembly disposed in, the turntable assembly is capable of being connected to a plurality of tool fixtures being capable of rotating around an axial line of the coating chamber under the driving of the turntable assembly and rotating around an axial line thereof at the same time; and, a manipulator being disposed between the cleaning device and the coating device.

Abstract: A precharge method for a data driver includes steps of: outputting a display data to a plurality of output terminals of the data driver; outputting a second precharge voltage to an output terminal among the plurality of output terminals prior to outputting the display data to the output terminal, to precharge the output terminal to a voltage level closer to an output voltage; and outputting a first precharge voltage to the output terminal prior to outputting the second precharge voltage. The first precharge voltage provides a faster voltage transition on the output terminal than the second precharge voltage.

Abstract: An aeronautical aluminum alloy minimum-quantity-lubrication milling machining device includes a machine tool worktable and spindle connected with a machine tool power system. The spindle is connected with a tool holder that is fixed with a cutting tool. The machine tool worktable is provided with a machine tool fixture, the tool holder is connected with a minimum-quantity-lubrication mechanism, the machine tool fixture includes a fixture body that is fixedly provided with a limit block for contact with two adjacent side surfaces of a workpiece, the fixture body is provided with a plurality of clamping elements capable of pressing the workpiece against an upper surface of the fixture body, and a top of the clamping element is provided with a detection member for detecting a relative position between the clamping element and the spindle. The device can avoid interference and contact between a nozzle and the clamping element.

Abstract: The present invention provides a device for detecting an abnormality in a tire for a light rail with rubber wheels. The detection device is installed inside the auxiliary rim, which is a rigid body mounted on an outer circumferential surface of a wheel, in a rubber tire body, and a protrusion part forming a detection unit of the detection device is configured to protrude into a space inside the rubber tire body. When the tire is punctured, the inner circumferential surface of the rubber tire body comes into close contact with the auxiliary rim, and the protrusion part is pushed into the auxiliary rim to touch the piezoelectric element of the detection unit and generate an electric signal, and thereby transmit a signal for indicating an abnormal condition of the tire to a controller.