Abstract: An electronic device with a flexible display screen includes a first housing and a second housing enclosed to form a receiving structure with an opening. A sliding rail mechanism is connected to the second housing, and slidably provided on the first housing along a first direction. The flexible display screen has a first end connected with the sliding rail mechanism and a second end connected with the first housing to cover the opening. A driving mechanism is connected to the first housing, and connected to the sliding rail mechanism for driving the sliding rail mechanism to move. A control mechanism includes a displacement sensor for measuring displacement change of the sliding rail mechanism relative to the first housing; and a controller provided at the first housing and configured to control a first stroke amount that the sliding rail mechanism moves along the first direction according to the displacement change.

Abstract: An electronic device with a flexible display screen includes: a housing with a first housing and a second housing enclosed to form a receiving structure; a sliding rail mechanism arranged in the receiving structure, connected to the second housing, and slidably arranged to the first housing; a flexible display screen with a first end connected to the sliding rail mechanism and a second end connected to the first housing; and a support assembly including a first support plate connected to the first housing and a second support plate slidably connected to the first support plate as well as connected to the sliding rail mechanism. The sliding rail mechanism drives the first end of the flexible display screen to be switched between an expanded state and a retracted state. When expanding, the second support plate slides relative to the first support plate to support the expanded part of the flexible display screen.

Abstract: A pulse current-assisted laser peen forming and hydrophobic surface preparing method for an aluminum alloy includes the following steps: placing a pretreated aluminum alloy onto a shock platform, where electrodes are respectively provided at two ends of the aluminum alloy, and flowing silicone oil covers a surface of the aluminum alloy; determining a laser energy; applying a high-frequency pulse current to the surface of the aluminum alloy through the electrodes, where a shot peening laser generates a laser beam according to the laser energy to shock the surface of the aluminum alloy, and under an action of an electrical pulse and laser shock, the aluminum alloy shows a bent arc-shaped surface, with a shock surface forming a porous micro-nano multi-stage surface; and performing chemical modification on the shock surface of the aluminum alloy to reduce a surface energy of the material, thereby obtaining a super-hydrophobic arc-shaped aluminum alloy surface.

Abstract: Disclosed is a system for teaching art courses based on smart cloud technology, including: a teaching management subsystem, designed for providing online teaching function of art courses as well as student user management function for teachers; a smart learning subsystem, designed with online learning function and course management function for each student user; a resource management subsystem, designed to provide art course resources for the teaching management subsystem and the smart learning subsystem, as well as course management function for art course resources; and a background management subsystem, used to provide system management functions for system administrators.

Abstract: A welding apparatus includes a body portion, a welding part disposed on the body portion and configured to weld welding points on a to-be-welded object, and a distance measuring part disposed on the body portion and located on a side of the body portion that faces the welding part. The distance measuring part is configured to measure defocus amounts from the welding points on the to-be-welded object to the welding part. The welding part and the distance measuring part are aligned to different ones of the welding points at a same time, so that the welding part and the distance measuring part simultaneously perform welding and distance measurement on the different ones of the welding points.

Abstract: An electronic device includes a first housing provided with a first sliding portion and a second housing slidably arranged on the first housing along a first direction, the first housing and the second housing being enclosed to form a receiving structure with an opening; a flexible display screen having a first end arranged at a side close to a bottom of the housing and a second end connected to the first housing to cover the opening; and a sliding rail mechanism including a bracket connected to the flexible display screen and provided with a second sliding portion matching the first sliding portion, the first sliding portion being one of a sliding rail and a sliding groove, the second sliding portion being the other. The sliding rail moves along the sliding groove to drive the flexible display screen to slide along the first direction relative to the first housing.

Abstract: The present disclosure provides a surgical operating system and a monopolar-bipolar hybrid output method therefor. The method is applied to the surgical operating system, including: determining an instruction selected by an operator for an output mode, and when obtaining that an instruction for a monopolar-bipolar hybrid mode is selected, controlling a first operating instrument to perform cutting and tissue coagulation actions. The system includes a master control unit, a control panel, a high-frequency power module and an operating instrument. According to the present disclosure, a hybrid mode of monopolar cutting and bipolar coagulation may be enabled on one same operating instrument, which not only overcomes respective shortcomings of conventional monopolar output and conventional bipolar output, but also integrates respective advantages of monopolar output and bipolar output.

Abstract: The invention provides 5?-cap analogs, which can improve transcription, mRNA stability, and mRNA translation efficiency and durability. This invention also relates to methods useful for preparing cap analogs and using mRNA species containing such analogs, as well as kits containing the novel cap analogs.

Abstract: A slide rail mechanism for a retractable screen structure includes a holder assembly including a holder; and a slide rail assembly including a fixed seat fixedly coupled to the holder, a sliding member coupled to a flexible display screen of the retractable screen structure and arranged on the fixed seat and slidable along a first direction, and an elastic assembly having a first end coupled to the fixed seat and a second end coupled to the sliding member. The second end of the elastic assembly and the flexible display screen are driven to move together when the sliding member slides along the first direction relative to the fixed seat.

Abstract: A switched mode power supply (SMPS) includes a filter (202), a power factor correction (PFC) circuit (204), and a control circuit (206, 406) configured to determine various electrical parameters of the SMPS. In some embodiments, the control circuit (206, 406) is configured to determine a power line frequency and an AC input voltage based on an AC line voltage and an AC neural voltage. In other embodiments, the control circuit (206, 406) is configured to determine an AC input current based on a reactive current flowing through the filter (202) and a PFC AC current. In further embodiments, the control circuit (206, 406) is configured to report a value of an electrical parameter if value is determined to be accurate. Other example switch mode power supplies, control circuits and methods are also disclosed.

Abstract: The present invention provides a device for peening by coupling a laser shock wave and an ultrasonic shock wave in real time. The device includes a synchronization device, a laser device, two ultrasonic shock devices, a working platform and a control system. An upper casing is supported above a base through second hydraulic cylinders. Two supporting beams are provided under the upper casing through the second hydraulic cylinders. Limiting slide rails are provided under the upper casing through first hydraulic cylinders. The two ultrasonic shock devices are connected through the synchronization device, which is configured to synchronize movement and rotation of the two ultrasonic shock devices. The laser device is configured to generate a laser beam to pass through the upper casing and irradiate a surface of a workpiece. The control system controls the laser device to lag behind the two ultrasonic shock devices to perform laser shock.

Abstract: The present invention relates to the technical field of material processing and provides a method for making a metal material composite, including: contacting a first surface of a first plate with a second surface of a second plate; placing the first plate and the second plate in a recess in a circumferential direction of a first roller such that a third surface of the second plate contacts a bottom wall of the recess in a circumferential, the third surface being opposite the second surface, the first plate having a greater hardness than the second plate; and controlling a first roller and a second roller to rotate, thereby rolling to combine the first plate and the second plate into a composite plate, where a fourth surface of the first plate contacts a surface of the second roller and the fourth surface is opposite the first surface during the rolling.

Abstract: The invention discloses compounds for treatment or prevention of liver diseases. The compounds are compounds represented by a formula (I) or (II), optical isomers or pharmaceutically acceptable salts of the compounds. The compounds and optical isomers or pharmaceutically acceptable salts of the compounds can be applied to preparation of drugs for treatment or prevention of liver diseases.

Abstract: A liquid crystal composition includes at least one compound of general formula I, at least one compound of general formula II and at least one compound of general formula III. The liquid crystal composition has a higher optical anisotropy, the relatively large elastic constants K11 and K33 while maintaining a relatively high clearing point, an appropriate dielectric anisotropy and a better low-temperature intersolubility. A liquid crystal display device which includes the liquid crystal composition has advantages of a fast response, a high contrast and a wide temperature range, thereby having a good display effect and a large range of applicability.

Abstract: A combat control method for a game object, a computer readable storage medium, and an intelligent terminal are provided. The combat control method includes: controlling game objects comprising a game object in a first combat lineup and a game object in a second combat lineup to enter a combat state based on a combat process confirmation instruction; controlling a first game object in the first combat lineup to point to a second game object in the second combat lineup, and controlling a third game object in the first combat lineup to point to a fourth game object in the second combat lineup, until each game object in the first combat lineup or in the second combat lineup is configured with a pointed game object; calculating a combat result, and pointing the game object with a winning combat result in the first combat lineup to the game object with a winning combat result in the second combat lineup, until the game objects in either the first combat lineup or the second combat lineup are all defeated.

Abstract: A combat control method for a game object, a computer readable storage medium, and an intelligent terminal are provided. The combat control method includes: configuring a game object, where the game object includes first game units and second game units; configuring an arrangement area for the game object, where the arrangement area has n accommodation units for accommodating each game object in a horizontal direction, and m accommodation units for accommodating each game object in a vertical direction; obtaining a first arrangement column by separating along the vertical direction in the arrangement area, and placing the first game units in the first arrangement column; and obtaining second arrangement columns by separating along the vertical direction in the arrangement area that do not overlap the first arrangement column, and placing the second game units in second arrangement columns to form a combat lineup.

Abstract: The present invention belongs to the field of medicinal chemistry. Specifically disclosed is a class of URAT1 inhibitors for promoting uric acid excretion, which are compounds as represented by the structure of formula (I) or pharmaceutically acceptable salts thereof. Experiments show that the compounds provided by the present invention have a very good inhibitory effect on the transport of uric acid by hURAT1 in HEK293 transfected cells, and that such compounds have a good application prospect in the treatment of hyperuricemia or gout.

Abstract: The present invention provides a method for improving the stability of pramipexole or its salt preparation, and further provides a pramipexole hydrochloride oral liquid with excellent stability and oral absorption effect. The pramipexole hydrochloride oral liquid of the present invention is prepared through a simple process, and shows bioequivalence with the tablet containing pramipexole hydrochloride. The invention perfectly realizes multi-dose administration of pramipexole hydrochloride and improves the compliance and accessibility of medication for patients.

Abstract: A high-performance thermal interface comprising a nanowire array disposed between a bottom metal layer and a top metal layer in which each nanowire is coated with a 3D fuzzy graphene layer. The thermal interface can be used by bonding it to the surfaces of adjoining substrates using layers of solder.

Abstract: A vehicle power supply device is provided. The vehicle power supply device includes: a fixed base; a scissor-fork lifting mechanism, where the scissor-fork lifting mechanism is mounted on the fixed base; a power supply head, where the power supply head is mounted on the scissor-fork lifting mechanism and is driven by the scissor-fork lifting mechanism to ascend or descend; and a drive device, where the drive device includes a drive unit and a transmission unit configured to convert rotational movement into linear movement. The drive unit and the transmission unit are stacked along a lifting direction of the scissor-fork lifting mechanism. The drive unit is connected with the scissor-fork lifting mechanism by the transmission unit to drive the scissor-fork lifting mechanism to ascend or descend.