Abstract: Embodiments of the present disclosure provide a smart water dispenser and a control method thereof. The smart water dispenser includes: a mechanical switch, an electronic switch and a controller. The controller is configured to determine whether water usage is normal according to ON/OFF states of the mechanical and the electronic switches; if so, to indicate a water discharged volume detection unit to collect a water discharged volume; and otherwise, to turn off the electronic switch and transmit a play instruction to a voice playback unit. The control method includes: detecting states of the mechanical switch and the electronic switch in real time; determining whether the mechanical switch is in the ON state when the electronic switch is switched from the OFF state to the ON state; if so, turning off the electronic switch and outputting a prompt voice; and otherwise, collecting the water discharged volume when the mechanical switch is switched from the OFF state to the ON state.

Abstract: The present disclosure provides a positioning adapter, a communication method, an indoor positioning system and an indoor positioning method. The positioning adapter includes: a first communication circuit, an encoder, a second communication circuit and an adaptation interface. The first communication circuit is configured to receive position information, and send the position information as well as identity information to the encoder. The encoder is configured to receive the position information and the identity information, obtain encoded information that matches the smart device by encoding the position information and the identity information, and send the encoded information to the second communication circuit. The second communication circuit is configured to receive the coded information and transmit the coded information to the smart device through the adaptation interface.

Abstract: A counter-flow heat exchanger including: a primary flow passageway comprising a primary flow inlet, a primary flow outlet, and a plurality of primary flow subset passageways therebetween; a secondary flow passageway comprising a secondary flow inlet, a secondary flow outlet, and a plurality of secondary flow subset passageways therebetween; and a heat exchanger core comprising portions of the plurality of primary flow subset passageways and the plurality of secondary flow subset passageways, the secondary flow passageway being in thermal communication with the primary flow passageway in the heat exchanger core, wherein the primary flow subset passageways in the heat exchanger core and the secondary flow subset passageways in the heat exchanger core are oriented such that primary fluid flow through the primary flow subset passageways flows opposite secondary fluid flow through the secondary flow subset passageways.

Abstract: Embodiments of the present application disclose a video processing method, associated devices and a communication system. The video processing method includes: obtaining, by a screenshot server, a video from a video server, wherein the video is a live broadcasting video uploaded into the video server by a second user terminal; capturing, by the screenshot server, a plurality of pictures from the video based on a preset screenshot strategy to capture a plurality of pictures from the video according to a certain capturing frequency; and storing, by the screenshot server, the pictures into a storage server, wherein a link to the pictures is embedded in a webpage displayed on a mobile terminal, such that the mobile terminal downloads the pictures from the storage server in response to a user selection of the link to the pictures and plays the pictures on the mobile terminal one by one in a video-like format.

Abstract: The present disclosure provides a positioning adapter, a communication method, an indoor positioning system and an indoor positioning method. The positioning adapter includes: a first communication circuit, an encoder, a second communication circuit and an adaptation interface. The first communication circuit is configured to receive position information, and send the position information as well as identity information to the encoder. The encoder is configured to receive the position information and the identity information, obtain encoded information that matches the smart device by encoding the position information and the identity information, and send the encoded information to the second communication circuit. The second communication circuit is configured to receive the coded information and transmit the coded information to the smart device through the adaptation interface.

Abstract: A flexible manifold adapted for use on a plate-fin heat exchanger core, the flexible manifold comprising a plurality of individual layers, each individual layer defining a lower floor, an upper floor, and two side walls. Each of the plurality of individual layers is adapted to channel a flow of a medium therethrough, each of the plurality of individual layers includes a plurality of vertical members, each of the plurality of vertical members extends vertically from the lower floor to the upper floor of the respective individual layer, and each of the plurality of vertical members is configured to provide structural support for the respective individual layer. The vertical members can be vertical guide vanes and/or vertical columns having a round and/or hydrofoil cross-sectional shape.

Abstract: A flexible manifold adapted for use on a plate-fin heat exchanger core, the flexible manifold including a plurality of individual layers configured to be metallurgically joined to respective ones of a plurality of layers of the plate-fin heat exchanger core, and further including a first end with at least one port adapted to receive or discharge a medium, a second end distal from the first end, adapted to transfer the medium to or from the plurality of individual layers, a plurality of horizontal guide vanes defining the plurality of individual layers, and a plurality vertical members positioned within each of the individual layers. The flexible manifold is configured to be mechanically and thermally compliant, and can be metallurgically joined to the heat exchanger core by brazing or welding.

Abstract: Specialized computing systems, devices, interfaces and methods facilitate the simulation of downhole milling procedures such as wellbore departure milling procedures. Computing systems, devices, interfaces and methods enable a user to design and select milling components and procedures to be compared and simulated. Various milling parameters, such as milling tool parameters, whipstock parameters, and wellbore casing parameters may be accessed and selectably modified with milling and simulation interfaces to define and control the simulated milling procedures. Different types of output are selectably rendered to reflect various aspects of the simulated milling procedures.

Abstract: A method, apparatus and system for processing User Generated Content are provided. The method comprises sending a request for obtaining UGC information to a network device; receiving UGC information returned by the network device in response to the request for obtaining UGC information; determining whether UGC in a local cache is the latest UGC based on the UGC information; and downloading UGC from the network device if UGC in the local cache is not the latest UGC.

Abstract: Embodiments of the present disclosure provide a smart water dispenser and a control method thereof. The smart water dispenser includes: a mechanical switch, an electronic switch and a controller. The controller is configured to determine whether water usage is normal according to ON/OFF states of the mechanical and the electronic switches; if so, to indicate a water discharged volume detection unit to collect a water discharged volume; and otherwise, to turn off the electronic switch and transmit a play instruction to a voice playback unit. The control method includes: detecting states of the mechanical switch and the electronic switch in real time; determining whether the mechanical switch is in the ON state when the electronic switch is switched from the OFF state to the ON state; if so, turning off the electronic switch and outputting a prompt voice; and otherwise, collecting the water discharged volume when the mechanical switch is switched from the OFF state to the ON state.

Abstract: A water drinking apparatus comprises a water cooling device and a temperature detector. The water cooling device has access to data corresponding to a plurality of temperature points within a water temperature range. After detecting, using the temperature detector and in real time, a water temperature of the cold water prepared by the water cooling device, the water drinking apparatus obtains actual data corresponding to each temperature point according to the water temperature of the cold water and determines whether the water drinking apparatus is in a water discharging state according to the data corresponding to the plurality of temperature points within the water temperature range, and the actual data corresponding to each temperature point according to the water temperature of the cold water.

Abstract: Embodiments of the present application disclose a video processing method, associated devices and a communication system. The video processing method includes: obtaining, by a screenshot server, a video from a video server, wherein the video is a live broadcasting video uploaded into the video server by a second user terminal; capturing, by the screenshot server, a plurality of pictures from the video based on a preset screenshot strategy to capture a plurality of pictures from the video according to a certain capturing frequency; and storing, by the screenshot server, the pictures into a storage server, wherein a link to the pictures is embedded in a webpage displayed on a mobile terminal, such that the mobile terminal downloads the pictures from the storage server in response to a user selection of the link to the pictures and plays the pictures on the mobile terminal one by one in a video-like format.

Abstract: Crosslinked high molecular weight acrylamide and 2-acrylamido-2-methylpropane sulfonic acid copolymers in inverse emulsion form act as inhibitive and encapsulating agents for water-based drilling fluids system. The crosslinked copolymer are particularly useful for high salt, high density drilling fluids in high temperature and high pressure applications.

Abstract: Embodiments of the present application disclose a video processing method, associated devices and a communication system. The video processing method may comprise: obtaining, by a screenshot server, a video from a video server; capturing, by the screenshot server, a plurality of pictures from the video based on a preset screenshot strategy; and storing, by the screenshot server, the pictures into a storage server such that a first user terminal obtains the pictures from the storage server and plays the pictures. Technical solutions of the embodiments of the present application are favorable to reduce a lag phenomenon as much as possible.

Abstract: This disclosure presents a connector assembly for providing a waterproof connection to a case for an electronic device. The connector assembly includes a connector body, an electrical cable, and an electrical conductor. The electrical conductor is electrically connected to the electrical cable and electrically engages the installed electronic device to convey at least one of data and power between the installed electronic device and the electrical cable. The connector assembly also includes an outer sleeve configured to freely rotate around the connector body and further configured to removably connect the connector assembly to the case. The outer sleeve includes a securing region to removably secure the connector assembly to the case, an inner gasket to seal an inner sealing interface of the outer sleeve with the connector body, and an outer gasket positioned to seal an outer sealing interface of the outer sleeve with the case.

Abstract: Crosslinked high molecular weight acrylamide and 2-acrylamido-2-methylpropane sulfonic acid copolymers in inverse emulsion form act as inhibitive and encapsulating agents for water-based drilling fluids system. The crosslinked copolymer are particularly useful for high salt, high density drilling fluids in high temperature and high pressure applications.

Abstract: Communication methods, systems, servers, and client devices in a user-interactive system are provided herein. In an exemplary method, a communication interface can be started via a first user-interactive client by a first user to communicate with one or more communication tools via a communication backend server. The first user-interactive client can obtain and display a plurality of second user IDs of second users. The first user-interactive client can receive one or more second user IDs selected by the first user to add to a communication group. The first user-interactive client can send to the communication backend server a message for joining the communication group containing the one or more second user IDs. After receiving an accepting message from the communication backend server, during a user-interactive operation, the first user-interactive client can communicate with a second client corresponding to a user ID contained in the accepting message.

Abstract: A data update method, a client, a server and a system for data update are provided. Identifiers and update priorities of data strings to be updated in an application data packet are acquired. The data strings to be updated are classified, according to a predetermined threshold, as data strings to be updated having priority higher than the predetermined threshold and data strings to be updated having priority lower than or equal to the predetermined threshold. Before the application data packet is started, update data of the data strings to be updated having priority higher than the predetermined threshold are acquired and updated. After the application data packet are started, the update data of the data strings to be updated having priority lower than or equal to the predetermined threshold are acquired and updated.

Abstract: A check valve housing for a check valve is provided and includes check valve housing body. First and second hinge supports extend from the check valve housing body. A stop is coupled to the first and second hinge supports. The first hinge support includes a first hinge pin interface having a first hinge pin hole to receive a hinge pin. A ratio of a diameter of the first hinge pin hole to a thickness of the first hinge pin interface is between 2.44 and 2.66.

Abstract: A check valve flapper for a check valve is provided and includes a flapper body and a hinge portion extending from the flapper body. The hinge portion includes a lower ear, a middle ear, and an upper ear. The lower ear, the middle ear, and the upper ear each include a hinge pin hole having a hinge pin hole diameter and an ear outer radius. A ratio of the hinge pin hole diameter to the ear outer radius is between 0.83 and 0.91.