Abstract: A pharmaceutical composition for dry powder inhalation is provided, including an active ingredient and a first pharmacologically acceptable excipient. The active ingredient includes sildenafil or a pharmaceutically acceptable salt thereof. The first pharmacologically acceptable excipient includes amino acid, phospholipid, polylactic acid, polylactic acid copolymer, sugar alcohol, or a combination thereof. In some embodiments of the present disclosure, a method of preparing a pharmaceutical composition for dry powder inhalation is further provided. The pharmaceutical composition for dry powder inhalation increases aerosol property meets the requirements for inhalation administration and reduces onset time.

Abstract: A pharmaceutical composition for dry powder inhalation is provided, including an active ingredient and a first pharmacologically acceptable excipient. The active ingredient includes vardenafil or a pharmaceutically acceptable salt thereof. The first pharmacologically acceptable excipient includes amino acid, polysaccharide, phospholipid, polylactic acid, polylactic acid copolymer, or a combination thereof. In some embodiments of the present disclosure, a method of preparing a pharmaceutical composition for dry powder inhalation is further provided.

Abstract: A pharmaceutical composition for dry powder inhalation is provided, including an active ingredient and a first pharmacologically acceptable excipient. The active ingredient includes tadalafil or a pharmaceutically acceptable salt thereof. The first pharmacologically acceptable excipient includes amino acid, polysaccharide, phospholipid, polylactic acid, polylactic acid copolymer, or a combination thereof. In some embodiments of the present disclosure, a method of preparing a pharmaceutical composition for dry powder inhalation is further provided. The pharmaceutical composition for dry powder inhalation increases aerosol property meets the requirements for inhalation administration and reduces onset time.

Abstract: A pharmaceutical composition for dry powder inhalation is provided, including an active ingredient and a first pharmacologically acceptable excipient. The active ingredient includes avanafil or a pharmaceutically acceptable salt thereof. The first pharmacologically acceptable excipient includes amino acid, polysaccharide, phospholipid, polylactic acid, polylactic acid copolymer, or a combination thereof. In some embodiments of the present disclosure, a method of preparing a pharmaceutical composition for dry powder inhalation is further provided. The pharmaceutical composition for dry powder inhalation increases aerosol property, meets the requirements for inhalation administration and reduces onset time.

Abstract: Ketamine derivatives and pharmaceutical compositions thereof are disclosed. When administered orally the ketamine derivatives provide increased bioavailability of ketamine in the systemic circulation. The ketamine derivatives can be used to treat neurological diseases, psychological diseases and pain.

Abstract: A package structure includes a first semiconductor die, a second semiconductor die, an insulating encapsulant and a redistribution layer. The insulating encapsulant laterally surrounds the first semiconductor die and the second semiconductor die, wherein the insulating encapsulant includes a first portion sandwiched in between the first semiconductor die and the second semiconductor die, the first portion has a first recessed part adjacent to an edge of the first semiconductor die, and a second recessed part adjacent to an edge of the second semiconductor die. The redistribution layer is disposed on and electrically connected to the first semiconductor die and the second semiconductor die.

Abstract: The invention discloses a convenient human and animal power drive permanent magnet power generation and storage system, comprising a grip power drive power generation system; the grip power drive power generation system is a dumbbell-shaped grip power generation device, comprising a grip handle and power generation devices provided at both ends of the grip handle; the power generation device is composed of a permanent magnet generator, a tensioning wheel, a spring sheet, a winder ratchet device, and a battery; folding buckles are provided between the power generation devices at both ends and the grip handle so as to be folded inward. The invention solves the problem of continuous power guarantee of wearable intelligent device; in the invention, the grip-type slow gear is designed as a spring tensioning device similar to a mechanical watch; the stress generated during the grip tightens the spring.

Abstract: A ranging-type positioning system and a ranging-type positioning method based on crowdsourced calibration are provided. In a crowdsourcing stage, pedestrian dead reckoning (PDR) is performed based on readings of inertial measurement units on a mobile device, a particle filter (PF) is executed to reconstruct a path of the mobile device with map information of the target field, and FTM data records are collected. Then, a ranging model based on a neural network can be used to calibrate and inversely infer approximate locations of unknown base stations. The optimized ranging model can estimate estimated distances and standard deviations based on the FTM data records obtained in the crowdsourcing stage. In a positioning stage, a position of a to-be-positioned mobile device can be positioned by having the ranging model operated in cooperation with the PDR and the PF.

Abstract: A flexible hybrid electronic substrate and electronic textile including the same are provided. The flexible hybrid electronic substrate includes a first region and a second region. There is a joint between the first region and the second region. Each of the first region and the second region includes at least one selected from the group consisting of the following structure features: multilayer structure feature, anisotropic structure feature and pre-strained structure feature.

Abstract: A current sensing calibration method includes setting a first calibration current, inputting the first calibration current to a current sensing circuit for detecting a first real digital code, acquiring offset calibration data according to the first real digital code and a first ideal digital code corresponding to the first calibration current, setting a second calibration current and a third calibration current, inputting the second calibration current to the current sensing circuit for detecting a second real digital code, inputting the third calibration current to the current sensing circuit for detecting a third real digital code, acquiring gain calibration data according to the second real digital code, the third real digital code, a second ideal digital code, and a third ideal digital code, and acquiring channel temperature calibration data after the current sensing circuit is calibrated according to the offset calibration data and the gain calibration data.

Abstract: The embodiments of the present application relate to the technical field of communications. Disclosed are a user scheduling method in multi-antenna signal transmission, and an electronic device and a storage medium. The method comprises: acquiring channel information of channels that are used by a plurality of users, and according to the channel information of the channels that are used by the users, constructing a channel information covariance corresponding to each user; calculating a correlation coefficient between every two users according to the channel information covariance of each user; and selecting a scheduled user on the basis of the number of scheduled users and the correlation coefficient between every two users.

Abstract: An electrical signal transmission method applied to an electrical signal transmission system includes first transmission interfaces and second transmission interface(s). Electrical signal transmission modes of the electrical signal transmission system include: a first transmission mode used for controlling a total transmission power of the first transmission interfaces and the second transmission interface(s) to be less than or equal to a first preset power, and a second transmission mode used for controlling a maximum transmission power of a second transmission interface to be the first preset power. The electrical signal transmission method includes: determining whether the first transmission mode is turned on; if yes, making the total transmission power of the first transmission interfaces and the second transmission interface(s) less than or equal to the first preset power; and if no, making the maximum transmission power of the second transmission interface be a second preset power.

Abstract: Ketamine derivatives and pharmaceutical compositions thereof are disclosed. When administered orally the ketamine derivatives provide increased bioavailability of ketamine in the systemic circulation. The ketamine derivatives can be used to treat neurological diseases, psychological diseases and pain.

Abstract: Approaches described herein can capture an audio signal using at least one microphone while a user of an electronic device is determined to be asleep. At least one audio frame can be determined from the audio signal. The at least one audio frame represents a spectrum of frequencies detected by the at least one microphone over some period of time. One or more sounds associated with the at least one audio frame can be determined. Sleep-related information can be generated. The information identifies the one or more sounds as potential sources of sleep disruption.

Abstract: A bus slave device and an interrupt request determination method thereof are provided. The bus slave device sets interrupt request groups and interrupt request numbers to slave devices, respectively. A master device receives an interrupt request through an alarm pin, and each of the slave devices send interrupt request through the alarm pin, and an alarm detection module detects whether the alarm pin is at a low level. A selecting module selects an interrupt mode which is one of a level mode and a pulse mode. An interrupt request module sends or terminates the interrupt request. The master device configures the interrupt request group and the interrupt request number corresponding to the slave devices through the control module to generate a master device receiving signal, and transmits the master device receiving signal to the master device through the data pin and the clock pin.

Abstract: The present disclosure provides computer-implemented methods, systems, and devices for estimating the oxygen saturation levels of the blood of a user. A wearable computing device emits using one or more green light sources, light towards a skin of a user at a green wavelength. The wearable computing device further emits, using one or more red light sources, light towards a skin of a user at a red wavelength. The wearable computing device further emits, using one or more infrared light sources, light towards a skin of a user at an infrared wavelength. The wearable computing device further detects an intensity of green light, red light, and infrared light emitted from the skin of a user. The wearable computing device further determines an estimated oxygen saturation level.

Abstract: An inspiration system related symptom sensing system includes a patch and a processor. The patch includes at least one vibrator and a plurality of receivers. Each of the receivers is configured to generate a reference vibration signal corresponding to the vibrator and a vibration signal corresponding to an inspiration system of an organism. The processor is configured to determine a relative position of each of the receivers related to the inspiration system of the organism based on the reference vibration signals, the vibration signals, and a plurality of positional relationships of the vibrator corresponding to each of the receivers. The processor is configured to generate a spatial position corresponding to the inspiration system and a corresponding symptom type by using a classification model based on the abnormal signals and the relative positions corresponding to the receivers.

Abstract: A fan speed control method, performed by a controller, includes: obtaining a first load parameter associated with a main board; obtaining a second load parameter associated with an expansion board; determining a greater one of the first load parameter and the second load parameter, and controlling a fan according to the greater one.