Abstract: Permanent magnets using high temperature superconductor tapes are disclosed. For example, a magnet may include a superconductor tape having two ends, a slit in the superconductor tape between the two ends that forms two legs, a separation between the legs that forms a loop, and a trapped magnetic field in the superconductor tape.

Abstract: Disclosed herein is an anti-cancer composition that includes an ethanol extract of green propolis, an ethanol extract of wheatgrass, and an ethanol extract of mulberry leaves. Also disclosed herein is use of the anti-cancer composition for inhibiting the growth of cancer cells.

Abstract: Disclosed is a speech synthesis method including: acquiring fundamental frequency information and acoustic feature information from original speech; generating an impulse train from the fundamental frequency information, and inputting it to a harmonic time-varying filter; inputting the acoustic feature information into a neural network filter estimator to obtain corresponding impulse response information; generating noise signal by a noise generator; determining, by the harmonic time-varying filter, harmonic component information through filtering processing on the impulse train and the impulse response information; determining, by a noise time-varying filter, noise component information based on the impulse response information and the noise; and generating a synthesized speech from the harmonic component information and the noise component information.

Abstract: A circuit that includes: a photodiode configured to absorb photons and to generate photo-carriers from the absorbed photons; a first MOSFET transistor that includes: a first channel terminal coupled to a first terminal of the photodiode and configured to collect a portion of the photo-carriers generated by the photodiode; a second channel terminal; and a gate terminal coupled to a first control voltage source; a first readout circuit configured to output a first readout voltage; a second readout circuit configured to output a second readout voltage; and a current-steering circuit configured to steer the photo-carriers generated by the photodiode to one or both of the first readout circuit and the second readout circuit.

Abstract: A keyboard device includes a frame and keys. The frame includes key guide grooves each including a first groove wall and a second groove wall. The keys are slidably assembled in the key guide grooves. The key includes a keycap and a guide member. A brim of the keycap includes a first side edge and a second side edge. The guide member includes a first side plate and a second side plate. The first side plate is in the key guide groove, integrally extends from the first side edge, and is arranged close to the first groove wall. The second side plate is in the key guide groove, integrally extends from the second side edge, and is arranged close to the second groove wall.

Abstract: A gravity-driven electricity generating device includes a first power unit having a first swaying frame pivoting from a first position to a second position to output a first power, thereby moving a first end of a pressing board downward and moving a second end of the pressing board upward to pivot in a first direction. A second power unit has a second swaying frame pivoting from a first position to a second position to output second power, thereby moving the first end of the pressing board upward and moving the second end of the pressing board downward to pivot in a second direction. Upward movement of the first end causes the first swaying frame to pivot in the second direction to the first position. Downward movement of the second end causes the second swaying frame to pivot in the second direction to the first position.

Abstract: An optical apparatus includes: a substrate having a first material; an absorption region having a second material different from the first material, the absorption region configured to absorb photons and to generate photo-carriers including electrons and holes in response to the absorbed photons; a first well region surrounding the absorption region and arranged between the absorption region and the substrate, the first well region being doped with a first polarity; and one or more switches each controlled by a respective control signal, the one or more switches each configured to collect at least a portion of the photo-carriers based on the respective control signal and to provide the portion of the photo-carriers to a respective readout circuit.

Abstract: An oral rehabilitation device for rehabilitating the oral cavity of a user includes a device body, a first activating member, an upper-jaw member, a lower-jaw member, and a processing unit. The first activating member is disposed on an end of the device body. The upper-jaw member and the lower-jaw member are connected to the same end of the device body and are for contacting an upper jaw and lower jaw of the user, respectively. The processing unit is coupled to the first activating member and is used to control the first activating member to drive one of the upper-jaw member and the lower jaw member to open or close relative to the other of the upper-jaw member and the lower-jaw member, such that the upper jaw and the lower jaw can be rehabilitated. The present invention further discloses a medical treatment system to which the oral rehabilitation device is linked.

Abstract: The present invention relates to the field of display technologies, and particularly to a fused polycyclic compound, a preparation method and use thereof. The fused polycyclic compound provided in the present invention has a structure of General Formula IV. The structure of the compound has ambipolarity, and the HOMO level and the LUMO level of the host material are respectively located on different electron donating group and electron withdrawing group, such that the transport of charges and holes in the host material becomes more balanced, thereby expanding the area where holes and electrons are recombined in the light emitting layer, reducing the exciton concentration, preventing the triplet-triplet annihilation of the device, and improving the efficiency of the device.

Abstract: Disclosed is a speech synthesis method including: acquiring fundamental frequency information and acoustic feature information from original speech; generating an impulse train from the fundamental frequency information, and inputting it to a harmonic time-varying filter; inputting the acoustic feature information into a neural network filter estimator to obtain corresponding impulse response information; generating noise signal by a noise generator; determining, by the harmonic time-varying filter, harmonic component information through filtering processing on the impulse train and the impulse response information; determining, by a noise time-varying filter, noise component information based on the impulse response information and the noise; and generating a synthesized speech from the harmonic component information and the noise component information.

Abstract: A circuit, including: a photodetector including a first readout terminal and a second readout terminal different than the first readout terminal; a first readout circuit coupled with the first readout terminal and configured to output a first readout voltage; a second readout circuit coupled with the second readout terminal and configured to output a second readout voltage; and a common-mode analog-to-digital converter (ADC) including: a first input terminal coupled with a first voltage source; a second input terminal coupled with a common-mode generator, the common-mode generator configured to receive the first readout voltage and the second readout voltage, and to generate a common-mode voltage between the first and second readout voltages; and a first output terminal configured to output a first output signal corresponding to a magnitude of a current generated by the photodetector.

Abstract: Disclosed are a method for image segmentation, and an electronic device. The method includes: performing, based on a preliminary segmentation result of a cerebral hematoma in a head medical image, a secondary segmentation of the cerebral hematoma on a pre-processed head medical image, to obtain a secondary segmentation result of the cerebral hematoma in the pre-processed head medical image; and acquiring a final segmentation result of the cerebral hematoma in the head medical image based on the secondary segmentation result, so that a segmentation effect of a cerebral hematoma in a head medical image can be improved in a case that the head medical image has data heterogeneity.

Abstract: Disclosed are a method, a system, and an apparatus for generating guide information, and an electronic device. The method includes: obtaining image data to be identified of a detection target; segmenting the image data to be identified by using a trained image segmentation model to obtain segmented target image data; determining image data of positioning patches arranged on a body surface of the detection target in the target image data as feature points, and establishing a mapping relationship between a preoperative spatial three-dimensional image coordinate system and an intraoperative spatial positioning coordinate system; and generating guide information based on the mapping relationship, to guide a puncture needle to perform puncturing on the detection target. An operation time of a puncture operation can be greatly shortened, and puncture efficiency and accuracy can be improved.

Abstract: The present invention provides an organic material composition and applications thereof. By the combination of the compounds comprised in the organic material composition, the organic material composition makes the element have a lower driving voltage, a higher current efficiency and a longer service life.

Abstract: The present invention provides an organic material composition and applications thereof. By the combination of the compounds comprised in the organic material composition, the organic material composition makes the element have a lower driving voltage, a higher current efficiency and a longer service life.

Abstract: The present invention provides an organic material composition and applications thereof. By the combination of the compounds comprised in the organic material composition, the organic material composition makes the element have a lower driving voltage, a higher current efficiency and a longer service life.

Abstract: The present invention provides an organic material composition and applications thereof. By the combination of the compounds comprised in the organic material composition, the organic material composition makes the element have a lower driving voltage, a higher current efficiency and a longer service life.

Abstract: The present invention provides a compound, an organic electroluminescence material, an organic electroluminescence element and an electronic device. When the compound is used as the material of the organic functional layers, it makes the element have a lower driving voltage, a higher current efficiency and a longer service life.

Abstract: A circuit, including: a photodetector including a first readout terminal and a second readout terminal different than the first readout terminal; a first readout circuit coupled with the first readout terminal and configured to output a first readout voltage; a second readout circuit coupled with the second readout terminal and configured to output a second readout voltage; and a common-mode analog-to-digital converter (ADC) including: a first input terminal coupled with a first voltage source; a second input terminal coupled with a common-mode generator, the common-mode generator configured to receive the first readout voltage and the second readout voltage, and to generate a common-mode voltage between the first and second readout voltages; and a first output terminal configured to output a first output signal corresponding to a magnitude of a current generated by the photodetector.

Abstract: The present invention provides a nitrogen-containing fused heterocyclic compound and applications thereof. When the nitrogen-containing fused heterocyclic compound of the present invention is used as a host material of an emitting layer of an organic light-emitting element, the organic light-emitting element has a lower driving voltage (3.8 V to 4.1 V), a higher current efficiency (15 Cd/A to 23 Cd/A or higher) and a longer service life (273 h or higher).