Abstract: The present disclosure discloses an acoustic output device. The acoustic output device may include a first acoustic driver including a first diaphragm; a second acoustic driver including a second diaphragm; a control circuit electrically connected with the first acoustic driver and the second acoustic driver respectively, the control circuit provides a first electrical signal for driving a vibration of the first diaphragm, and a second electrical signal for driving a vibration of the second diaphragm, and the control circuit is configured to adjust a phase of the first electrical signal and a phase of the second electrical signal such that, in a first scenario, the phase of the first electrical signal and the phase of the second electrical signal are opposite, and in a second scenario, the phase of the first electrical signal and the phase of the second electrical signal are same.

Abstract: A method for processing a part using a forming device by laser melting, by: establishing a function, performing first-order and second-order differentiation on the function to obtain a first-order and a second-order derivative, solving the equation that the first-order derivative equals to zero, substituting the roots into the second-order derivative to obtain the roots of the first-order derivative, among which the root with a smallest absolute value is defined as a first value; performing third-order differentiation on the obtained function, solving the equation that the second-order derivative equals to zero to obtain the roots which is defined as second values; subtracting the first value from the second values, and obtaining the second value corresponding to a value that is less than zero and has a smallest absolute value among obtained results, that is a value of the defocus amount to achieve the optimal self-healing effect.

Abstract: The present disclosure discloses an acoustic output apparatus. The acoustic output apparatus may include an acoustic driver. The acoustic driver may include a diaphragm and a magnetic circuit structure. A front side of the acoustic driver may be formed at a side of the diaphragm away from the magnetic circuit structure. A rear side of the acoustic driver may be formed at a side of the magnetic circuit structure away from the diaphragm. The diaphragm may vibrate to cause the acoustic driver to radiate sound outward from the front side and the rear side of the acoustic driver. The acoustic output apparatus may further include a housing structure configured to carry the acoustic driver. One side of the front side and the rear side of the acoustic driver may form a cavity with the housing structure. The side of the acoustic driver forming the cavity may radiate the sound towards the cavity, and the other side of the acoustic driver may radiate the sound towards outside of the acoustic output apparatus.

Abstract: In an embodiment, a method (200) is described. The method comprises receiving (202) an indication of a weight on a moveable support (106) of a couch assembly (100). The moveable support is moveable relative to a couch frame (110) of the couch assembly. The method further comprises determining (204) a horizontal shift of the couch frame relative to an imaging apparatus (102) associated with the couch assembly based on a shift model indicative of the horizontal shift as a function of: the indicated weight on the moveable support; and a horizontal position of the moveable support relative to the couch frame.

Abstract: The present application discloses a sound-output device, including a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave; the sound-output device is configured to output sound waves within a target frequency range, the bone-conducted sound wave includes a high frequency portion of the target frequency range, and the air-conducted sound wave includes a low frequency portion of the target frequency range.

Abstract: Disclosed are an immersion liquid supply system and an immersion flow field removal method thereof.

Abstract: The invention provides novel fusion proteins of Interleukin 15 and prodrugs, and compositions and methods of preparation thereof, useful in treating various diseases and disorders (e.g., hyperplasia, solid tumor or hematopoietic malignancy).

Abstract: A plug connector includes an outer member and an insulated member. The outer member has a receiving groove. One of two ends of the outer member has a mating side, and the other end of the outer member has an assembling side. The outer member includes a mating ring portion, one or more extension portions, and one or more elastic pieces. The mating ring portion is at the mating side. The extension portion, the elastic piece, and the mating ring portion are integrally formed as a one-piece structure. The extension portion extends toward the assembling side from a side end of one side of the mating ring portion, and the elastic piece is bent at an end portion of the extension portion and arranged at a side portion of the extension portion. The insulated member is in the receiving groove.

Abstract: A method for repairing an ultra-thin structure by additive manufacturing by removing a damaged region of an ultra-thin structure by machining; acquiring a three-dimensional model of a region to be repaired; processing the three-dimensional model; constructing a powder carrying device on the periphery of the bottom of the region to be repaired, and allowing powder in the powder carrying device to be filled until flush with or tangent to the surface of the bottom of the region; melting, sintering or curing the powder around the outer contour of the ultra-thin structure by a high-energy beam or an auxiliary heating device, and combining the powder with the outer contour of the ultra-thin structure to form an outer contour thickened structure so as to form a flexible fixture; and repairing the region to be repaired by additive manufacturing technology according to a planned path obtained from the model processing.

Abstract: A unit plate position fixation method and device and a lamination machine are provided. The unit plate position fixation method includes: obtaining peripheral position information of unit plates located between two layers of separators; controlling a hot-pressing device according to the peripheral position information to perform hot pressing on the two layers of separators, so that the two layers of separators are adhered at peripheral positions of the unit plates.

Abstract: An immersion liquid supply and recovery device (2) with new-type pumping and drainage cavities includes pumping and drainage openings, pumping and drainage cavities, and sealed pumping and drainage channels, wherein the pumping and drainage cavities are in communication with an immersion flow field by means of the multiple pumping and drainage openings, and the pumping and drainage openings in communication with the different pumping and drainage cavities are circumferentially distributed in a crossed manner; at least two pumping and drainage cavities are provided, and each of the pumping and drainage cavities is in communication with an immersion liquid recovery system by one sealed pumping and drainage channel respectively; and the communication points of the pumping and drainage cavities and the sealed pumping and drainage channels are evenly arranged in the circumferential direction of the pumping and drainage cavities.

Abstract: A method for forming a forming part with an inclined surface and a forming part with an inclined surface wherein the forming method comprises: obtaining a model of the part to be formed; performing layer separating and slicing process to form a plurality of forming layers; a performing scanning path planning on each forming layer, wherein a suspended area and a non-suspended area are provided in a plurality of forming layers forming the inclined surface, frame scanning path comprises a first path and a second path, the first path corresponds to the non-suspended area and the second path corresponds to the suspended area; based on the size of the angle of inclination, setting process parameters for the first path and the second path, and printing layer by layer based on the set process parameters; wherein an energy density in the process parameters of the first path is smaller than an energy density in the process parameters of the second path.

Abstract: An immersion fluid recovery system and an immersion fluid recovery method using said system.