Abstract: A method for preparing high-density magnesia-alumina spinel ceramic by low-temperature pressureless sintering, comprises: using MgAl2O4 powder as a raw material powder, adding calcium phosphate as a sintering aid and controlling the calcium element of the calcium phosphate to not exceed 500 ppm of the total mass of the raw material powder; and then performing pressureless sintering, thereby preparing a high-density magnesia-alumina spinel ceramic; the pressureless sintering includes normal pressure sintering or vacuum sintering.

Abstract: Provided is a vibration diaphragm, comprising a wireless transmission unit which is arranged on one side of the vibration diaphragm where a voice coil can be fixed, and is used for electrically connecting with the voice coil, wirelessly receiving an audio signal transmitted from an external terminal and processing the audio signal to obtain audio current, and inputting the audio current into the voice coil; and a wireless charging unit which is electrically connected with the wireless transmission unit, generating electric energy under an action of an external power supply module and inputting the electric energy into the wireless transmission unit. Also provided are a vibration assembly, a sound generator and a sound generator module. With integration of the receiving and processing of audio signal on the vibration diaphragm, long-distance routing of a voice coil lead of the voice coil is avoided, noise is reduced, and product quality is improved.

Abstract: An LED display screen controller (10, 31) and a display control system (30) are provided. The LED display screen controller (10, 31) includes: an embedded processor (11, 311); a first WiFi component (14, 313); a second WiFi component (15, 314); a wired network component (16, 315); a first Ethernet PHY chip (17, 316), connected between the wired network component (16, 315) and the embedded processor (11, 311); a programmable logic component (12, 312), connected to the embedded processor (11, 311); and an output port (18), connected to the programmable logic component (12, 312) and configured to connect an LED display screen (33). The embedded processor (11, 311) is configured to configure the first WiFi component (14, 313) to work in an AP mode, and the second WiFi component (15, 314) is adapted to work in a Station mode when the first WiFi component (14, 313) works in the AP mode.

Abstract: The invention relates to an anterior cervical plate, a lifter and an internal fixation system for use in ACAF. Fusion windows are formed at a head end and a tail end of the anterior cervical plate, wherein each of the fusion windows has a width of more than 8 mm, and a height of more than 10 mm. At least one elongated lifting groove is provided at a central longitudinal axis. It further comprises an auxiliary plate which covers a front side of the plate body when in use. The lifter comprises a lifting nail and a screwdriver. The lifting nail has a first travel control body and a second travel control body. The screwdriver is provided with a screwdriver sleeve head sleeved outside of the second travel control body and making the screwdriver to rotate with it. The internal fixation system comprises the anterior cervical plate and the lifter.

Abstract: The invention relates to an anterior cervical plate, a lifter and an internal fixation system for use in ACAF. Fusion windows are formed at a head end and a tail end of the anterior cervical plate, wherein each of the fusion windows has a width of more than 8 mm, and a height of more than 10 mm. At least one elongated lifting groove is provided at a central longitudinal axis. It further comprises an auxiliary plate which covers a front side of the plate body when in use. The lifter comprises a lifting nail and a screwdriver. The lifting nail has a first travel control body and a second travel control body. The screwdriver is provided with a screwdriver sleeve head sleeved outside of the second travel control body and making the screwdriver to rotate with it. The internal fixation system comprises the anterior cervical plate and the lifter.

Abstract: A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.

Abstract: Disclosed is a method and device for processing Image, and an image transmitting system. The method includes that: data to be transmitted are processed according to a first resolution to obtain first image data, wherein the image resolution represented by each row of image data in the first image data is the first resolution, and the first resolution is the maximum resolution set by a system; and the first image data is folded to obtain second image data, wherein the number of rows of the second image data is greater than that of the first image data, the image resolution represented by each row of image data in the second image data is a second resolution, and the second resolution is less than the first resolution.

Abstract: A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.

Abstract: The embodiments of the present disclosure disclose a media method, device and system for generating a media playback sequence. The method includes acquiring a plurality of media identifiers respectively corresponding to a plurality of media, and media playbacks times respectively corresponding to the plurality of media identifiers; comparing a maximum media playbacks time among the media playbacks times with a sum of remaining media playbacks times to obtain a determination result; and selecting, according to the determination result, one of a plurality of different generation methods to generate a media playback sequence for a media player to use to play the plurality of media back, wherein the media playback sequence includes the plurality of media identifiers, and the number of each of the media identifiers in the media playback sequence is equal to the media playbacks time corresponding to each of the media identifiers.

Abstract: At least some embodiments of the present disclosure disclose a program production method, a program production device, a program production system and a computer-readable medium. The program production method includes that: at least one medium is acquired; at least one playlist is generated according to the at least one medium, each of the at least one playlist being associated with the at least one medium; at least one program is generated according to the at least one playlist, each of the at least one program including a play region and the play region corresponding to the at least one playlist; and the play region is scheduled.

Abstract: Disclosed is a manufacturing method for a high silicon grain oriented electrical steel sheet, the silicon content of the high silicon grain oriented electrical steel is greater than 4 wt %, comprising the steps of: (1) performing decarburization annealing of a cold-rolled steel plate; (2) allowing high silicon alloy particles in a completely solid state to collide at a high speed with the surface of the decarburization annealed steel plate to be sprayed, thus forming a high silicon alloy coating on the surface of the steel plate to be sprayed; (3) coating a release agent and drying; and (4) annealing. The manufacturing method for the high silicon grain oriented electrical steel sheet of the present invention is inexpensive, and, the high silicon grain oriented electrical steel sheet produced is of stable quality and is provided with great magnetic performance.

Abstract: Disclosed is a method and device for processing Image, and an image transmitting system. The method includes that: data to be transmitted are processed according to a first resolution to obtain first image data, wherein the image resolution represented by each row of image data in the first image data is the first resolution, and the first resolution is the maximum resolution set by a system; and the first image data is folded to obtain second image data, wherein the number of rows of the second image data is greater than that of the first image data, the image resolution represented by each row of image data in the second image data is a second resolution, and the second resolution is less than the first resolution.

Abstract: The present disclosure discloses a method and device for controlling screen display. The method includes that: a rotation instruction is received; a system window of a screen is rotated according to the rotation instruction, wherein when the system window is rotated, the absolute position of a play window in the system window changes accordingly; the play window is translated to a preset position in the system window; and a display image in the translated play window is transmitted to the screen for display, wherein the screen displays the display image received by a receiving card.

Abstract: Provided are a method device (20, 70) and system (30, 40, 80) for configuring a display screen, for example, the method includes that a network connection request including initial display screen information is sent in a wireless manner after power-on self-test, a network connection is established with a main console (301, 801), the initial display screen information is acquired, the initial display screen information is displayed, the updating operation to position information in the initial display screen information is carried out by the main console (301, 801) to obtain target display screen information, and a coordinate assignment of the target display screen information is displayed to obtain display coordinate information (S61); the target display screen information and the display coordinate information are received, the position information is updated, and identification codes in the display coordinate information are associated with the initial display screen information, and is stored locally (S62)

Abstract: A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.

Abstract: A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.

Abstract: A medical device of a medical system is configured for communicating with an external programmer over a wireless communications link. The medical device comprises a wireless communications module configured for receiving a first unencrypted version of a random number and a first encrypted version of the random number from the external programmer over the wireless communications link. The medical device further comprises control circuitry configured for performing an authentication procedure on the external programmer based on the first unencrypted version of the random number and the first encrypted version of the random number, and preventing the external programmer from commanding the medical device to perform an action unless the authentication procedure is successful.

Abstract: An LED display screen controller (10, 31) and a display control system (30) are provided. The LED display screen controller (10, 31) includes: an embedded processor (11, 311); a first WiFi component (14, 313); a second WiFi component (15, 314); a wired network component (16, 315); a first Ethernet PHY chip (17, 316), connected between the wired network component (16, 315) and the embedded processor (11, 311); a programmable logic component (12, 312), connected to the embedded processor (11, 311); and an output port (18), connected to the programmable logic component (12, 312) and configured to connect an LED display screen (33). The embedded processor (11, 311) is configured to configure the first WiFi component (14, 313) to work in an AP mode, and the second WiFi component (15, 314) is adapted to work in a Station mode when the first WiFi component (14, 313) works in the AP mode.

Abstract: An apparatus and a method for rapidly heating cold-rolled strip steel (10). The apparatus for rapidly heating cold-rolled strip steel (10) comprises a heating zone, a soaking zone, and a cooling zone, and the heating zone is sequentially divided into a first heating section (1), a second heating section (2), a third heating section (3), and a fourth heating section (4) along a moving direction of the strip steel (10) to be heated, the first heating section (1) and the fourth heating section (4) being radiant heating sections, and the second heating section (2) and the third heating section (3) being inductive heating sections. The method for rapidly heating cold-rolled strip steel (10) uses the apparatus for rapidly heating cold-rolled strip steel (10) to heat the strip steel (10).