Abstract: One or more embodiments of the present disclosure relates to an acoustic output device, including: a piezoelectric element configured to convert an electrical signal into a mechanical vibration; an elastic element; and a mass element connected to the piezoelectric element through the elastic element. The mass element may be configured to receive the mechanical vibration and generate an acoustic signal, and on a plane perpendicular to a vibration direction of the mass element, the elastic element may provide shear stresses with opposite curls.

Abstract: Embodiments of the present disclosure provide an acoustic output device including: a transducer configured to generate a mechanical vibration based on an electrical signal, the transducer including a magnetic circuit assembly and a vibration transmission sheet; a housing configured to accommodate the transducer, the housing including a panel and a shell, the magnetic circuit assembly being elastically connected to the housing through the vibration transmission sheet, and the transducer transmitting the mechanical vibration to a user through the panel; and an additional element connected to the magnetic circuit assembly. The additional element is elastically connected to the panel through the magnetic circuit assembly.

Abstract: Embodiments of the present disclosure provide an acoustic output device including: a transducer configured to generate a mechanical vibration based on an electrical signal; a housing configured to accommodate the transducer, the housing including a panel and a shell, the transducer being connected to the panel, and the transducer transmitting the mechanical vibration to a user through the panel; and an additional element elastically connected to the panel through a vibration path at least including one elastic element.

Abstract: Embodiments of the present disclosure provide an acoustic output device comprising a transducer device configured to generate a mechanical vibration based on an electrical signal, the transducer device including a magnetic circuit assembly and an elastic support component; a housing configured to accommodate the transducer device, wherein the housing includes a panel and a shell, the transducer device transmitting the mechanical vibration to a user through the panel; and an additional element connected to the panel through a vibration path, the vibration path at least including an elastic element, the additional element being located at a sidewall of the shell adjacent to the panel, and the elastic support component connecting the magnetic circuit assembly and the sidewall disposed with the additional element.

Abstract: Embodiments of the present disclosure provide an acoustic output device comprising a bone conduction sound generation unit and a piezoelectric sound generation unit. The bone conduction sound generation unit is configured to generate bone conduction sound waves that are transmitted to human ears via bone and have at least one resonance peak in a frequency range not higher than 1 kHz. The piezoelectric sound generation unit is configured to generate sound waves that have at least one resonance peak in a range not lower than 6 kHz.

Abstract: Disclosed in the present disclosure is a method for processing remote sensing images by fusing elevation information.

Abstract: An application of thiolated single-stranded DNA enhances specific amplification of polymerase chain reaction, namely a method for enhancing specific amplification of polymerase chain reaction by utilizing thiolated single-stranded DNA, which includes the following step: adding an appropriate amount of the thiolated single-stranded DNA into a PCR system to perform PCR amplification, wherein the appropriate amount means that the final concentration of the thiolated single-stranded DNA in a 20 ?L reaction system is not less than 15 ?M. The thiolated single-stranded DNA meets the following conditions: the thiolated single-stranded DNA is one segment of any sequence which is non-complementary and non-homologous to a target sequence; the Tm value is not less than 37.7° C.; and at least one end contains a thiolalkyl group SH—C6H12—.

Abstract: An application of thiolated single-stranded DNA enhances specific amplification of polymerase chain reaction, namely a method for enhancing specific amplification of polymerase chain reaction by utilizing thiolated single-stranded DNA, which includes the following step: adding an appropriate amount of the thiolated single-stranded DNA into a PCR system to perform PCR amplification, wherein the appropriate amount means that the final concentration of the thiolated single-stranded DNA in a 20 ?L reaction system is not less than 15 ?M. The thiolated single-stranded DNA meets the following conditions: the thiolated single-stranded DNA is one segment of any sequence which is non-complementary and non-homologous to a target sequence; the Tm value is not less than 37.7° C.; and at least one end contains a thiolalkyl group SH—C6H12—.