Abstract: The present invention relates to a wearable apparatus for measuring blood pressure signal. The invention relates to the field of blood pressure measuring technology. The wearable apparatus for measuring blood pressure signal comprises an earphone body, an optical sensor and a processing module, wherein the optical sensor is arranged at the earphone body to obtain a multi-wavelength photoplethysmogram (PPG) signal at an ear; the wavelength of the PPG signal is related to the skin attribute of its location; the processing module is used for obtaining a physiological parameter according to the multi-wavelength PPG signal, the physiological parameter comprises a blood pressure signal. Placing the earphone body on the ear is convenient to a user without affecting normal activities of the user so as to perform a long-term monitoring of the user.

Abstract: An electronic device and a control method therefor are provided. The electronic device includes controller, multimedia playing apparatus and input apparatus both connected to the controller, the controller includes processor and memory, wherein program instructions stored in the memory are executed by the processor to perform operations including: in response to target operation of user, obtaining input information of user; determining session information on session in which user participates according to the input information, the session information including at least target content in which user participates; determining target playing progress and target playing speed factor for the target content; controlling the multimedia playing apparatus to play the target content according to the target playing progress and the target playing speed factor, the target playing speed factor being greater than 1.

Abstract: Embodiments of the present disclosure provide a method and system for generating a fertilizer formula, the method is executed by a processor, comprising: obtaining a basic formula for fertilization; obtaining monitoring data based on a monitoring device; determining a soil feature of a predetermined point based on the monitoring data; determining an experiment scheme and experimental parameters based on the soil feature and an experimental design; determining a fertilization dosage and conducting an intelligent planting experiment based on the fertilization dosage and the basic formula for fertilization; obtaining experimental parameters and experimental yield data of each experimental processing, and optimized yield data of an optimized fertilization processing, and storing the experimental parameters, experimental yield data, and the optimized yield data in a storage unit; and determining a model for reduced fertilization of nitrogen, phosphorus, and potassium nutrients and generating the fertilizer formula

Abstract: The present invention relates to a wearable apparatus for continuous monitoring of physiological parameters. The invention relates to the field of physiological parameters monitoring technology. The wearable apparatus for the continuous monitoring of physiological parameters comprises an earring body and a monitoring device; wherein the monitoring device comprises a sensor module, the sensor module being arranged at the earring body for obtaining a biological signal at an auricle; the biological signal is to be inputted to a pre-built physiological system model or a deep machine learning model to obtain a physiological parameter; the physiological parameter comprising tonoarteriogram (TAG) signals. The invention realizes the convenience of wearing by a user without affecting normal activities of the user, further allows performing of a long-term monitoring of the user and improving monitoring accuracy while reducing damages to the skin of the ear.

Abstract: The present invention provides a method and a device for calibrating a blood pressure estimation model for determining tonoarteriogram (TAG) signals, which relates to a cross field between biomedicine and scientific engineering.

Abstract: The present invention relates to a multi-modal sensor module, comprising an electrode base, an insulating film sheet, a functional layer and a protective film; the protective film is used for isolating external environment with a side away from the functional layer for use in contacting surface of biological tissues; the functional layer comprises a substrate and at least one sensor module provided in isolation in the substrate; a side of the electrode base away from the insulating film sheet is used for contacting surface of the biological tissues; the multi-modal sensor module is in a state of collecting electrocardiogram (ECG) signal, a side of the protective film away from the functional layer and a side of the electrode base away from the insulating film sheet are both for contacting surface of the biological tissues, so that the protective film, the biological tissues and the electrode base form an ECG signal collection path.

Abstract: The present invention provides a method, a device, an electronic apparatus, and a storage medium for processing multi-modal physiological signals, which relates to the field of health engineering. The method comprises: acquiring continuous target multi-modal physiological signals, the target multi-modal physiological signals comprise at least three target physiological signals of a target temperature signal, a target impedance plethysmogram (IPG) signal, a target electrocardiogram (ECG) signal, a target photoplethysmogram (PPG) signal and a target ultrasound signal; determining a continuous physiological information of a target subject, especially a continuous blood pressure information, according to the continuous target multi-modal physiological signals.

Abstract: An electronic device and a control method therefor are provided. The electronic device includes controller, multimedia playing apparatus and input apparatus both connected to the controller, the controller includes processor and memory, wherein program instructions stored in the memory are executed by the processor to perform operations including: in response to target operation of user, obtaining input information of user; determining session information on session in which user participates according to the input information, the session information including at least target content in which user participates; determining target playing progress and target playing speed factor for the target content; controlling the multimedia playing apparatus to play the target content according to the target playing progress and the target playing speed factor, the target playing speed factor being greater than 1.

Abstract: An electronic picture frame and an odor releasing method thereof are provided. The electronic picture frame includes: a picture frame body having a display screen on the picture frame body; an odor releasing device disposed on the picture frame body and configured to release a plurality of different odors; and a processing device connected with the display screen and the odor releasing device, respectively, and configured to acquire material type information of a picture displayed on the display screen (2), and control the odor releasing device to release an odor corresponding to the material type information according to the material type information of the picture.

Abstract: A method for preparing all-solid-state photonic crystal fiber preform by extrusion by aligning the center of the first jacking end of the first jacking rod with the center of the core outlet mold. The adverse effect on this part of extruded core glass by oxygen or other impurities in air during the extrusion out of the core outlets can be avoided. The defects on the core glass surface and the cladding glass surface can be effectively removed, and the purity and quality of the core component in the obtained fiber preform can be improved.

Abstract: The present application discloses a display device. The display device comprises: a displaying component, an imaging component, and a placement region indicating component, wherein, the imaging component establishes a communication connection with the displaying component, the placement region indicating component is configured to indicate a placement region of an object to be imaged, an imaging region of the imaging component being the placement region as indicated by the placement region indicating component, the imaging component is configured to image the object to be imaged which is located within the placement region, and the displaying component is configured to display an image generated by the imaging component.

Abstract: A method for processing bullet screen, comprising: acquiring bullet screen information and tag information of an account of a user watching a target multimedia content, the bullet screen information including a bullet screen content, and the tag information being configured to identify a type of the account; and determining, based on a matching result between the tag information and the bullet screen information, whether to display the bullet screen content in the bullet screen information while displaying the target multimedia content.

Abstract: A display substrate, a display panel and a display method are provided. The display substrate includes a display layer, a plurality of optical layer formation units and a spacer layer. The display layer includes a plurality of pixel regions, and each of the plurality of pixel regions includes a plurality of color sub-pixel openings emitting color light of different colors. The plurality of optical layer formation units are stacked with the display layer. The spacer layer is between the display layer and the plurality of optical layer formation units for spacing the display layer from the plurality of optical layer formation units. The plurality of optical layer formation units are configured to form a transparent optical layer on a side, which is away from the display layer, of the spacer layer, and the transparent optical layer is configured to make a display image have visual roughness.

Abstract: The present application discloses a display device. The display device comprises: a displaying component, an imaging component, and a placement region indicating component, wherein, the imaging component establishes a communication connection with the displaying component, the placement region indicating component is configured to indicate a placement region of an object to be imaged, an imaging region of the imaging component being the placement region as indicated by the placement region indicating component, the imaging component is configured to image the object to be imaged which is located within the placement region, and the displaying component is configured to display an image generated by the imaging component.

Abstract: A mood monitoring device, system and method are provided. The mood monitoring device includes one or more processors; and a storage. The storage stores one or more programs which are configured to be executed by the one or plurality of processors. The one or more programs comprise instructions for performing the following operations: receiving a status message that is sent by a terminal and indicates a mood status of a user, the terminal and the mood monitoring device having a binding relationship; and presenting a message that reflects the mood status of the user in accordance with the status message.

Abstract: The present invention discloses a method for preparing all-solid-state photonic crystal fiber preform by extrusion. Firstly, aligning the center of the first jacking end of the first jacking rod with the center of the core outlet mold. The adverse effect on this part of extruded core glass by oxygen or other impurities in air during the extrusion out of the core outlets can be avoided. The defects on the core glass surface and the cladding glass surface can be effectively removed, and the purity and quality of the core component in the obtained fiber preform can be improved.

Abstract: An electronic picture frame and an odor releasing method thereof are provided. The electronic picture frame includes: a picture frame body having a display screen on the picture frame body; an odor releasing device disposed on the picture frame body and configured to release a plurality of different odors; and a processing device connected with the display screen and the odor releasing device, respectively, and configured to acquire material type information of a picture displayed on the display screen (2), and control the odor releasing device to release an odor corresponding to the material type information according to the material type information of the picture.

Abstract: A method for processing bullet screen, comprising: acquiring bullet screen information and tag information of an account of a user watching a target multimedia content, the bullet screen information including a bullet screen content, and the tag information being configured to identify a type of the account; and determining, based on a matching result between the tag information and the bullet screen information, whether to display the bullet screen content in the bullet screen information while displaying the target multimedia content.

Abstract: The present disclosure discloses a method and a device for content recommendation and a computer readable storage medium. The method for content recommendation includes: obtaining content information associated with a user; determining address information corresponding to the content information according to the content information; and recommending the content information and the address information, in response to determining that the user is located close to an address indicated by the address information based on current location information of the user and the address information.

Abstract: A mood monitoring device, system and method are provided. The mood monitoring device includes one or more processors; and a storage. The storage stores one or more programs which are configured to be executed by the one or plurality of processors. The one or more programs comprise instructions for performing the following operations: receiving a status message that is sent by a terminal and indicates a mood status of a user, the terminal and the mood monitoring device having a binding relationship; and presenting a message that reflects the mood status of the user in accordance with the status message.