Abstract: Disclosed are a method, device, computer system for obtaining respiratory signal. The method includes: filtering aliasing vital signs signals obtained by piezoelectric sensor to obtain target vital signs signals; performing a Fourier transform to obtain first frequency response, and generating an upper envelope according to each frequency point of the first frequency response; determining main peak frequency point and main peak amplitude according to the frequency point corresponding to the maximum value of flat tops; identifying the flat top corresponding to the main peak amplitude as main peak flat top; determining minimum value frequency point according to the minimum value between the main peak flat top and an adjacent flat top or flat bottom; and determining respiratory spectrum principal component interval according to the minimum value frequency point; reconstructing the respiratory spectrum principal component interval through an empirical wavelet function to obtain reconstructed respiratory signal.

Abstract: Disclosed are antibodies thereof that bind to coagulation factor XI (FXI) and/or its activated form factor XIa (FXIa), or to fragments of FXI and/or FXIa, and compositions containing the antibodies. Also disclosed are methods of preparing the antibodies and use of the antibodies for treating and/or preventing coagulation associated conditions such as thrombosis and complications or conditions associated with thrombosis.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.

Abstract: Provided are a drive compensation method and system of a display panel and a display device. The drive compensation method includes: determining at least one of the impedance and capacitive reactance variation curve of a first signal line in a column direction and determining the charge rate variation curve of first pixel units in a row direction; determining the compensation coefficients for a respective pixel unit in the column direction and/or the row direction according to the impedance and capacitive reactance variation curve of the first signal line in the column direction and/or the charge rate variation curve of first pixel units in the row direction; and compensating the compensation coefficients for the respective pixel unit in the column direction and/or the row direction to the drive signal of the respective pixel unit to drive the respective pixel unit.

Abstract: A display device and a video communication data processing method are disclosed. The method comprises: in response to an instruction for video communication with at least one peer device, a controller collecting a global image of a local device by means of an image acquisition device; and presenting a local preview window in a user interface, and displaying, in the local preview window, a video image of the local device according to the global image, wherein when there is a moving target in the global image, the video image of the local device is a partial image corresponding to a target stable area of the moving target.

Abstract: A rotary power tool includes a main housing and a transmission housing coupled to the main housing. The transmission housing includes a bearing pocket open to a front of the transmission housing and defined at least partially by a radially inward-extending flange. The rotary power tool also includes an output shaft and a bearing positioned within the bearing pocket adjacent and in abutting relationship with the radially inward-extending flange for rotatably supporting the output shaft in the transmission housing. The rotary power tool also includes a radially outward-extending flange on the output shaft that radially overlaps at least a portion of the bearing on an opposite side of the bearing as the radially inward-extending flange. A line of action of an axial reaction force applied to the output shaft is directed to the transmission housing via the radially outwardly-extending flange, the bearing, and the radially inward-extending flange.

Abstract: The present disclosure provides a heat dissipation device of an energy storage system and a heat dissipation method for an energy storage system, wherein the heat dissipation device comprises: a housing, wherein at least one frame is provided in the housing, the energy storage system is placed in the at least one frame, a curved-surface guide plate is provided on the top of the at least one frame, at least one air conditioner is hung outside the housing, a cold air outlet of each air conditioner is connected to the curved-surface guide plate; a guide cavity is formed between a concave surface of the curved-surface guide plate and the at least one frame, a spreader plate is provided in the guide cavity, and the spreader plate is configured to adjust a flow direction of gas in the guide cavity.

Abstract: Electrodes are formed with a porous layer of particulate electrode material bonded to each of the two major sides of a compatible metal current collector. In one embodiment, opposing electrodes are formed with like lithium-ion battery anode materials or like cathode materials or capacitor materials on both sides of the current collector. In another embodiment, a battery electrode material is applied to one side of a current collector and capacitor material is applied to the other side. In general, the electrodes are formed by combining a suitable grouping of capacitor layers with un-equal numbers of anode and cathode battery layers. One or more pairs of opposing electrodes are assembled to provide a combination of battery and capacitor energy and power properties in a hybrid electrochemical cell. The cells may be formed by stacking or winding rolls of the opposing electrodes with interposed separators.

Abstract: Lithium-based and sodium-based batteries and capacitors using metal foil current collectors, coated with porous layers of particles of active electrode materials for producing an electric current, may adapted to produce heat for enhancing output when the cells are required to periodically operate during low ambient temperatures. A self-heating cell may be placed in heat transfer contact with a working cell that is temporarily in a cold environment. Or one or both of the anode current collector and cathode current collectors of a heating cell may be formed with shaped extended portions, uncoated with electrode materials, through which cell current may be passed for resistance heating of the extended current collector areas. These extended current collector areas may be used to heat the working area of the cell in which they are incorporated, or to contact and heat an adjacent working cell.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.

Abstract: A method for extracting web page content in a terminal device, where a system service in a framework of an operating system drives a web page display component execution environment to complete a control layout and control rendering on a user interface of an application program, where a web page display component is identified from a view control included in the user interface, and then instructions for content extraction and instructions for information feedback are inserted, through an interface of the identified web page display component, into a web page embedded in the user interface of the application program. The instructions for content extraction extracts content at a specified location on the web page based on a custom web event, and the instructions for information feedback transfers the extracted web page content to the operating system.

Abstract: A copper foil, intended for use as a current collector in a lithium-containing electrode for a lithium-based electrochemical cell, is subjected to a series of chemical oxidation and reduction processing steps to form a field of integral copper wires extending outwardly from the surfaces of the current collector (and from the copper content of the foil) to be coated with a resin-bonded porous layer of particles of active electrode material. The copper wires serve to anchor thicker layers of porous electrode material and enhance liquid electrolyte contact with the electrode particles and the current collector to improve the energy output of the cell and its useful life.

Abstract: Lithium-based and sodium-based batteries and capacitors using metal foil current collectors, coated with porous layers of particles of active electrode materials for producing an electric current, may adapted to produce heat for enhancing output when the cells are required to periodically operate during low ambient temperatures. A self-heating cell may be placed in heat transfer contact with a working cell that is temporarily in a cold environment. Or one or both of the anode current collector and cathode current collectors of a heating cell may be formed with shaped extended portions, uncoated with electrode materials, through which cell current may be passed for resistance heating of the extended current collector areas. These extended current collector areas may be used to heat the working area of the cell in which they are incorporated, or to contact and heat an adjacent working cell.

Abstract: A method for extracting web page content in a terminal device, where a system service in a framework of an operating system drives a web page display component execution environment to complete a control layout and control rendering on a user interface of an application program, where a web page display component is identified from a view control included in the user interface, and then instructions for content extraction and instructions for information feedback are inserted, through an interface of the identified web page display component, into a web page embedded in the user interface of the application program. The instructions for content extraction extracts content at a specified location on the web page based on a custom web event, and the instructions for information feedback transfers the extracted web page content to the operating system.

Abstract: A battery and supercapacitor system of a vehicle includes a lithium ion battery (LIB) having first and second electrodes, and a supercapacitor having third and fourth electrodes. A first reference electrode is disposed between the first and second electrodes and is configured to measure a first potential at a location between the first and second electrodes. A second reference electrode is disposed between the third and fourth electrodes and is configured to measure a second potential at a location between the third and fourth electrodes. The first electrode may be connected to the third electrode, and the second electrode may be connected to the fourth electrode. The first and second reference electrodes may not be connected to any of the first, second, third, or fourth electrodes.

Abstract: An electrolyte can be pretreated by contacting with an oxide species (e.g., SiO2, SiOx, where 1?x?2, TiO2). The electrolyte comprises LiPF6 and a carbonate solvent. A reaction occurs to form a pretreated electrolyte comprising a compound selected from the group consisting of: MaPx?OyFz, MaPx?OyFzCnHm, and combinations thereof, where when P in the formula is normalized to 1 so that x? is equal to about 1, 0<y?4, 0<z?6, 0?a?3, 0 ?n?20, 0?m?42, and M is selected from Li, Na, K, Mg, Ca, B, Ti, Al, and combinations thereof. Lithium-ion electrochemical cells including lithium titanate oxide (LTO) using such a pretreated electrolyte have reduced reactivity and gas formation.

Abstract: Methods of pretreating an electroactive material comprising lithium titanate oxide (LTO) include contacting a surface of the electroactive material with a pretreatment composition. In one variation, the pretreatment composition includes a salt of lithium fluoride salt selected from the group consisting of: lithium hexafluorophosphate (LiPF6), lithium tetrafluoroborate (LiBF4), and combinations thereof, and a solvent. In another variation, the pretreatment composition includes an organophosphorus compound. In this manner, a protective surface coating forms on the surface of the electroactive material. The protective surface coating comprises fluorine, oxygen, phosphorus or boron, as well as optional elements such as carbon, hydrogen, and listed metals, and combinations thereof.

Abstract: An application download method for a download-to-start application includes obtaining, by a server, runtime information of an application from a large quantity of terminals that have downloaded and used the application, performing data analysis on the information, determining a sequence of application files based on a result of the data analysis, to arrange an application file with a high access probability in front of an application file with a low access probability, and transmitting the application files to a terminal device based on the sequence.

Abstract: A rotary power tool includes a main housing and a transmission housing coupled to the main housing. The transmission housing includes a bearing pocket open to a front of the transmission housing and defined at least partially by a radially inward-extending flange. The rotary power tool also includes an output shaft and a bearing positioned within the bearing pocket adjacent and in abutting relationship with the radially inward-extending flange for rotatably supporting the output shaft in the transmission housing. The rotary power tool also includes a radially outward-extending flange on the output shaft that radially overlaps at least a portion of the bearing on an opposite side of the bearing as the radially inward-extending flange. A line of action of an axial reaction force applied to the output shaft is directed to the transmission housing via the radially outwardly-extending flange, the bearing, and the radially inward-extending flange.

Abstract: A battery and supercapacitor system of a vehicle includes a lithium ion battery (LIB) disposed within a housing. The LIB includes: an electrolyte including lithium; and first and second electrodes disposed in the electrolyte. A supercapacitor is disposed within the housing and includes: the electrolyte; and third and fourth electrodes disposed in the electrolyte.