Abstract: The present disclosure discloses a method and apparatus for directional display of an audio device, and an audio device. The audio device according to the present disclosure includes a display screen whose position is adjustable, and the method according to the present disclosure includes, by using a spherical camera array, determining a spatial position of a user; according to a relation among the spatial position of the user, a center position of the audio device and a center position of the display screen, determining a horizontal compensation angle and a vertical compensation angle of a display direction of the display screen relative to the spatial position of the user; and adjusting the display direction of the display screen, to cause the horizontal compensation angle and the vertical compensation angle to be zero.

Abstract: The present disclosure discloses a method and apparatus for directional display of an audio device, and an audio device. The audio device according to the present disclosure includes a display screen whose position is adjustable, and the method according to the present disclosure includes, by using a spherical camera array, determining a spatial position of a user; according to a relation among the spatial position of the user, a center position of the audio device and a center position of the display screen, determining a horizontal compensation angle and a vertical compensation angle of a display direction of the display screen relative to the spatial position of the user; and adjusting the display direction of the display screen, to cause the horizontal compensation angle and the vertical compensation angle to be zero.

Abstract: The present disclosure discloses a two-wheeled self-balancing robot which solves the technical problems in the prior art that the robot can only travel on a flat ground and its driving environments are limited by making improvements in its mechanical structure. The two-wheeled self-balancing robot comprises a vehicle body with wheels mounted on both sides thereof. The vehicle body comprises a parallelogram frame which can deform tiltedly. The vehicle body is provided with a stage, and the stage is hinged with the parallelogram frame. The parallelogram frame is provided with a first motor. The first motor drives the parallelogram frame to deform tiltedly according to road conditions so as to always keep the stage horizontal. The two-wheeled self-balancing robot according to the present disclosure can adapt to complicated road conditions, and its stage always keeps horizontal such that the object carried is not prone to fall off.

Abstract: The present disclosure discloses a two-wheeled self-balancing robot which solves the technical problems in the prior art that the robot can only travel on a flat ground and its driving environments are limited by making improvements in its mechanical structure. The two-wheeled self-balancing robot comprises a vehicle body with wheels mounted on both sides thereof. The vehicle body comprises a parallelogram frame which can deform tiltedly. The vehicle body is provided with a stage, and the stage is hinged with the parallelogram frame. The parallelogram frame is provided with a first motor. The first motor drives the parallelogram frame to deform tiltedly according to road conditions so as to always keep the stage horizontal. The two-wheeled self-balancing robot according to the present disclosure can adapt to complicated road conditions, and its stage always keeps horizontal such that the object carried is not prone to fall off.

Abstract: Disclosed are complex coacervate core micelles comprising an enzyme capable of hydrolyzing organophosphorus compounds, such as nerve agents, and, for example, their use in remediation or decontamination of stockpiles of chemical weapons.

Abstract: The preparation of novel fullerynes which are fullerenes (e.g. C60, C70, C80, etc.) that contain one or more alkyne functionalities and may contain additional functional groups such as hydroxyls, halogens, esters, haloesters, phenyl, oligo(ethylene glycol)s, perfluorinated alkyl chains, and the like. Two desired preparation routes are disclosed. The first one is the Fischer esterification in desired solvents using a special designed reactor in contrast to the heretofore initial Steglich reaction that results in side reactions and low yields. The second one uses acetylide Grignard reagents that have reduced nucleophilicity and higher stability in contrast to the use of heretofore initial lithium organyls or other Grignard reagents that would add to C60 with possible multi-additions in an uncontrollable manner.

Abstract: The preparation of novel fullerynes which are fullerenes (e.g. C60, C70, C80, etc.) that contain one or more alkyne functionalities and may contain additional functional groups such as hydroxyls, halogens, esters, haloesters, phenyl, oligo(ethylene glycol)s, perfluorinated alkyl chains, and the like. Two desired preparation routes are disclosed. The first one is the Fischer esterification in desired solvents using a special designed reactor in contrast to the heretofore initial Steglich reaction that results in side reactions and low yields. The second one uses acetylide Grignard reagents that have reduced nucleophilicity and higher stability in contrast to the use of heretofore initial lithium organyls or other Grignard reagents that would add to C60 with possible multi-additions in an uncontrollable manner.