Abstract: A device for heating oil and for reducing viscosity of the oil in an oil well is disclosed. The device comprises a pipe structure, a sucker rod, a three-way connector, a small pump cylinder, a small plunger, and a heating mechanism. The three-way connector is located below the pipe structure and has an upper end and two lower ends. The upper end of the three-way connector is connected to a bottom end of the pipe structure, and the two lower ends of the three-way connector comprises a first lower end which is coaxial with the oil pipe and a second lower end which is non-coaxial with the pipe structure. The first lower end of the three-way connector is connected to the small pump cylinder which is coaxial with the pipe structure. The second lower end of the three-way connector comprises a bypass port and a check valve. The sucker rod extends inside the pipe structure and extends through the upper end and the first lower end of the three-way connector and extends to a bottom end of the small pump cylinder.

Abstract: A terminal device for playing a game includes a display screen for displaying animation of the game, and processing circuitry. The processing circuitry detects a frame rate inadequacy of animation frames that are generated according to animation features respectively associated with animation files. Then, the processing circuitry obtains preconfigured values respectively associated with the animation files. A preconfigured value associated with an animation file is indicative of performance influence for turning off an animation feature associated with the animation file. Further, the processing circuitry turns off one or more animation features according to the preconfigured values associated with the animation files until an adequate frame rate is achieved.

Abstract: Provided is a method for purifying total mRNA from total RNA with SLFN13, comprising the following steps of: (1) total RNA extraction; (2) enzyme digestion of tRNA and rRNA in the total RNA by using SLFN13; and (3) after the enzyme digestion is completed, directly heating at 70° C. for 15 min to deactivate the enzyme, to obtain the purified total mRNA.

Abstract: The present invention discloses a blind bolt fastening device, and belongs to the technical field of bolts. The blind bolt fastening device includes Z-shaped gaskets, a fixed plate, elastic hinges, a screw cap, a nut, an integrated gasket and the like. The top end of the screw cap is connected to the fixed plate in a spot welding manner. A plurality of elastic hinges is uniformly mounted on the fixed plate. One end of each elastic hinge is rotatably fixed on the fixed plate. Connection points of the elastic hinges and the fixed plate do not exceed the outer edge of the fixed plate. The other end of each elastic hinge is connected to one Z-shaped gasket in a spot welding manner. In an initial state, the plurality of Z-shaped gaskets are uniformly distributed and fitted onto the outer wall of the screw cap along a circumferential direction.

Abstract: The present invention provides a membrane comprising a polyamine polymer. In another embodiment, the present invention provides an electrochemical cell comprising a membrane of the present invention; a positive electrode; and a negative electrode. In another embodiment, the present invention provides a composition comprising a polyamine polymer of Formula J, I or II.

Abstract: The present disclosure provides wound-treating absorbent kits that comprise a set of hemostatic compositions including at least (1) a first hemostatic composition including a first crosslinked polysaccharide selected from the group consisting of cyclodextrin and dextran, and (2) a second hemostatic composition including a second crosslinked polysaccharide selected from the group consisting of cyclodextrin and dextran. In some embodiments, the first hemostatic composition has a first degree of crosslinking, and the second hemostatic composition has a second degree of crosslinking higher than the first degree of crosslinking. Also provided are methods of treating a wound by selecting a hemostatic composition from the disclosed set of hemostatic compositions, and administering the selected hemostatic composition to a site of the wound.

Abstract: Methods and apparatus to generate data for geographic areas are disclosed. An example method includes identifying a first geographic area for which a database does not include a model, determining a first data element of the first geographic area, identifying a first trained model corresponding to a second geographic area with the first data element, identifying a second trained model corresponding to a third geographic area with the first data element, mixing the first trained model and the second trained model to generate a composite model, and using the composite model to represent the first geographic area in the database.

Abstract: The embodiments of the invention provide a method and device for sending and receiving data and a data transmission system thereof. The sending method includes the following steps: acquiring a first data corresponding to a transmission unit with a specific transmission format, wherein the first data has a first data amount which is equal to the data amount of the transmission unit; acquiring a second data which corresponds to the transmission unit and has a second data amount; obtain a compressed data with a compressed data amount, wherein the compressed data amount is equal to or smaller than the data amount of the transmission unit; sending the compressed data.

Abstract: The present invention discloses a drain plug linkage arrangement including a pull rod assembly, an operating rod, a drain plug, and a drain pipe, wherein the drain plug is movably mounted in the drain pipe. The pull rod assembly includes a pull rod and a connecting rod, wherein the pull rod is connected to the connecting rod via a button. A first end of the operating rod is inserted into the drain pipe from a sidewall of the drain pipe and is connected to the drain plug. The operating rod is connected to the connecting rod of the pull rod assembly. Assembly and disassembly between the pull rod and the connecting rod disclosed in the present invention are very convenient.

Abstract: The present invention relates to a palladium-based supported hydrogenation catalyst and a preparation method and application thereof. The catalyst is prepared by the following method: impregnating an Al2O3-containing carrier with an organic solution containing a bipyridine derivative having hydroxy group, optionally drying followed by impregnating with a mixed solution containing the main active component palladium ions and the auxiliary active component Mn+ ions, where M is one selected from Ag, Au, Ni, Pb and Cu; and then optionally drying, and calcining to obtain the catalyst. The preparation method provided by the present invention allows Pd atoms and M atoms to be highly uniformly dispersed on the carrier, which overcomes the adverse impact of the surface tension of the impregnation solution and the solvation effect on the dispersibility of active components.

Abstract: Disclosed is a heat transfer system with a module that includes a peripheral frame (10) and an electrocaloric element (46) disposed in an opening in the peripheral frame. The electrocaloric element includes an electrocaloric film (46), a first electrode (48) on a first side of the electrocaloric film, and a second electrode (50) on a second side of the electrocaloric film. First and second electrically conductive elements (24, 25) are disposed adjacent to first and second surfaces of the peripheral frame, and provide an electrical connection to the first and second electrodes.

Abstract: A control method of a multilevel converter includes: classifying power modules that start working, need to update an output state or stop working to form m power module groups; and controlling power modules in a same one of the power module groups to start working, update the output state or stop working at the same time, and sequentially controlling the m power module groups to start working, or update the output state or stop working, according to a preset time interval. The number of power modules in each power module group is less than or equal to a preset value, causing a change value of an output level of the each power module group to be less than or equal to a preset voltage value.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to correct segmentation errors. An example disclosed method includes identifying, with a processor, a segment group comprising observation data associated with two or more segments, respective ones of the two or more segments having a similar first characteristic and a dissimilar second characteristic, identifying first portions of the observation data having errors, generating a first matrix of binary indicators associated with the observation data, the binary indicators associating the first portions of the observation data with a first correction factor, and generating a value for the first correction factor by minimizing a residual sum of squares of the segment group observation data associated with the first matrix of binary indicators.

Abstract: A method of making an electrocaloric is disclosed. The method includes: (a) providing a roll of a film comprising an electrocaloric material or a supply of multiple sheets of a film comprising an electrocaloric material; (b) delivering film from the roll or the supply of multiple sheets to a conductive material application station; (c) forming electrodes comprising a patterned disposition of conductive material on the film at the application station to form an electrocaloric article (d) delivering film from the application station to a take-up roll or an inventory of electrocaloric sheets; and (e) repeating (b), (c), and (d) to form multiple electrocaloric articles.

Abstract: A method of realizing a ferroic response is provided. The method includes applying a first conjugate field to a ferroic material in a non-singular-stepwise manner and applying a second conjugate field to the ferroic material in a non-singular-stepwise manner.

Abstract: A method of realizing a ferroic response is provided. The method includes applying a positive or negative conjugate field, which is of a first polarity, to a ferroic material to obtain a substantially minimized entropy of the ferroic material (301) and applying a slightly negative or a slightly positive conjugate field, which is of a second polarity opposite the first polarity, to the ferroic material to obtain a substantially maximized entropy of the ferroic material (302).

Abstract: An electrocaloric module includes an electrocaloric element that includes an electrocaloric film, a first electrode on a first surface of the electrocaloric film, and a second electrode on a second surface of the electrocaloric film. A support is attached along an edge portion of the electrocaloric film, leaving a central portion of the electrocaloric film unsupported film. At least one of the first and second electrodes includes a patterned disposition of conductive material on the film surface. The electrocaloric module also includes a first thermal connection configured to connect to a first thermal flow path between the electrocaloric element and a heat sink, a second thermal connection configured to connect to a second thermal flow path between the electrocaloric element and a heat source, and a power connection connected to the first and second electrodes and configured to connect to a power source.

Abstract: A parking navigation method, device and system are provided. The parking navigation method comprises: acquiring initial location information of a vehicle; acquiring a target planned path based on a preset rule according to the initial location information and target parking location information; and sequentially turning on lighting devices on the target planned path, to guide the vehicle to travel to a target parking location.

Abstract: Disclosed is an ion-exchange membrane that includes a molecular barrier for influencing permeation selectivity through the membrane. The membrane includes fluorinated carbon backbone chains and fluorinated side chains that extend off of the fluorinated carbon backbone chains. The fluorinated side chains include acid groups for ionic conductivity. The acid groups surround and define permeable domains that are free of the fluorinated carbon backbone chains. Molecular barriers are located in the permeable domains and influence permeability through the domains.

Abstract: It relates to a nanobody encoded by a mRNA and an application thereof, and more particularly, to the field of nanobody drugs. In order to solve the problem above, the invention provides a novel concept and a method system for regulating an intracellular protein using an mRNA-encoding nanobody. The invention discloses a nanobody encoded by a mRNA, and encoding information carried by the mRNA is recognized, translated and expressed to a single-chain nanobody that can be bound to a targeting protein in a cell. By adopting the method, a function of a disease-related protein in a cell can be effectively and specifically interfered with, thus achieving the object of disease treatment.