Abstract: In an embodiment of the techniques presented herein, a charging system includes an input port, a wireless charging unit, having a magnetic charging interface, and a wireless charging controller configured to generate a magnetic charging signal at the magnetic charging interface based on a first connection state of the magnetic charging interface, and a universal serial bus power delivery (USB-PD) power adaptor, having an output port, and a USB-PD controller configured to deliver power to the output port, wherein a first portion of available power at the input port is allocated to the wireless charging unit for generating the magnetic charging signal responsive to the first connection state indicating a connected device, and a second portion of the available power at the input port is allocated to the USB-PD adaptor based on the first portion allocated to the wireless charging unit.

Abstract: An information security threat determination method and an information security threat determination device are provided. The information security threat determination method and the information security threat determination device are applicable to a network system including a terminal, a core network and a server. The information security threat determination method includes the following steps: receiving information about an abnormal event occurring in the network system; performing a cause and effect tree inspection procedure to generate a plurality of tracing causes according to the abnormal event and deploying a virtual terminal and a virtual server to communicate through the core network to verify whether each tracing cause will cause the abnormal event, thereby generating inspection result; and performing decision chain procedure to determine the abnormal event as non-information security threat event or information security threat event according to the inspection result.

Abstract: An electronic fuse based-protection circuit system, including a plurality of electronic fuse based-protection circuits, where each electronic fuse based-protection circuit is electrically connected to a power supply and a load through an input terminal and an output terminal respectively and includes a sampling resistor, a MOSFET switch, and a logic control branch circuit. The sampling resistor is electrically connected to the input terminal and has a sampling terminal. The MOSFET switch is electrically connected to the sampling terminal and the output terminal. The logic control branch circuit obtains a sampling voltage of the sampling resistor between the input terminal and the sampling terminal and an on-off judging voltage by amplifying the sampling voltage. When the on-off judging voltage is greater than a reverse-bias voltage of the logic control branch circuit, an off signal is then transmitted to the MOSFET switch, to turn off the MOSFET switch.

Abstract: A power supply circuit for stably supplying power to loads of a vehicle comprises a battery pack, a switch circuit, a first control circuit, a detection circuit, and a second control circuit. The first control circuit is configured to output a first control signal to turn on the switch circuit and the battery pack can supply power to the loads when the vehicle is in a first state. The detection circuit is configured to detect whether the first control circuit normally outputs the first control signal during the first state and output a trigger signal to the second control circuit in response to the first control circuit does not output the first control signal. The second control circuit outputs a second control signal according to the trigger signal to control the switch circuit to be turned on. A power supply method and the vehicle are also disclosed.

Abstract: A system for adaptive control of non-thermal plasma treatment on a patient. The system has a electrosurgical generator, having a power module, a memory, a first current sensor configured to sense an electrical current on the active electrode, a second current sensor configured to sense a current on the return electrode, a voltage sensor configured to sense a voltage difference between the active electrode and the return electrode, and a feedback control module, wherein the control module is configured to automatically adjusts a power output of the electrosurgical generator based on outputs of the first current sensor, the second current sensor and the voltage sensor to maintain an electrical current on the active electrode within a range to provide non-thermal plasma.

Abstract: Technologies for fiber array unit (FAU) lid designs are disclosed. In one embodiment, channels in the lid allow for suction to be applied to fibers that the lid covers, pulling the fibers into place in a V-groove. The suction can hold the fibers in place as the fiber array unit is mated with a photonic integrated circuit (PIC) die. Additionally or alternatively, channels can be on pitch, allowing for pulling the FAU towards a PIC die as well as sensing the position and alignment of the FAU to the PIC die. In another embodiment, a warpage amount of a PIC die is characterized, and a FAU lid with a similar warpage is fabricated, allowing for the FAU to position fibers correctly relative to waveguides in the PIC die. In another embodiment, a FAU has an extended lid, which can provide fiber protection as well as position and parallelism tolerance control.

Abstract: The present invention belongs to the field of functional fibrous materials, and discloses a magnetic fibrous material and a preparation method and application thereof. A polymer and a magnetic load raw material are dissolved in a solvent to obtain a uniform spinning solution; a solute component that reacts with the magnetic load raw material is added into a coagulation bath solvent to obtain a reactive coagulation bath solution; the spinning solution is electrospun, and the produced fiber is collected with the reactive coagulation bath solution, so that the magnetic load raw material in the fiber reacts in situ with the solute in the reactive coagulation bath solution to obtain the magnetic fibrous material.

Abstract: The present disclosure relates to the technical field of computer, and in particular, an information interaction method, device, electronic apparatus and storage medium. According to an embodiment of the present disclosure, there is provided an information interaction method, including: displaying a virtual reality space, the virtual reality space including a video image display space and a target message display space; displaying a video image in the video image display space; determining a target message and displaying the target message in the target message display space; wherein the target message display space is located in front of the video image display space in a first direction, the first direction being a direction toward which the video image faces.

Abstract: Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for testing. The method includes: obtaining code modification information, program error information, and test case information. The method further includes: selecting a first test case set associated with code modification records from the test case information according to the program error information. The method further includes: sorting multiple test cases in the first test case set to generate a test strategy for the code modification records. Embodiments of the present disclosure may select the best test case for current code fix to meet different test requirements and reduce the test time.

Abstract: A preparation method comprises: preparing a green body using green body powder; applying an overglaze on the surface of the green body; ink-jet printing a pattern on the surface of green body; applying a protective glaze on the surface of the green body; applying an anti-counterfeiting material on the surface of the green body; firing the green body, titanite and high-refractive-index oxide being wetted and wrapped by a molten liquid produced by melting a low-temperature glaze powder in a firing environment, and sunken into the protective glaze without generating opacification; and then polishing to obtain a ceramic plate having an anti-counterfeiting visual effect. The anti-counterfeiting visual effect is a visual effect in which a high-intensity refraction effect is achieved when the sight line direction is consistent with the path of reflected light, but no refraction effect is achieved when the sight line direction deviates from the path.

Abstract: Method and associated system for managing and/or authenticating an energy storage device. The method includes receiving a first portion of identification information stored in a data storage attached to the energy storage device (401); analyzing the first portion of the identification information at least partially based on a device identification of the device (403); updating a second portion of the identification information stored in the data storage attached to the energy storage device based on a result of analyzing the first portion of the identification information (405).

Abstract: An information interaction method, an electronic device, and a storage medium are provided. The method includes: displaying a virtual reality space, the virtual reality space including a video image display space for displaying a video image; determining a target message in response to a message sending operation; determining a message movement start point of the target message based on the message sending operation; and moving the target message in the virtual reality space based on the message movement start point.

Abstract: A push rod device includes a rotating shaft, drive motor and telescopic assembly. The drive motor is connected to the rotating shaft, adapted to drive it to rotate. The telescopic assembly can be movably provided on the rotating shaft. When the rotating shaft is rotated, the telescopic assembly can be telescoped along the extension direction of the rotating shaft. In use, the present invention is very convenient, and the structure thereof is simple, capable of effectively saving installation space and reducing installation difficulty.

Abstract: Disclosed are a lens structure, a photographic device and a focusing method of lens. The lens structure includes a lens barrel, a lens assembly, a drive mechanism, a position detection device and a control device. The lens barrel is extended along a first direction. The lens assembly includes a lens group configured to be movable along the first direction. The drive mechanism is fixedly connected to the lens group and configured to drive the lens group to move along the first direction. The position detection device configured to detect a position of the lens group in real time. The control device is electrically connected to the position detection device and the drive mechanism, and is configured to control the drive mechanism to work according to the position detection device to adjust the position of the lens group.

Abstract: A heat-assisted magnetic recording head comprises a near-field transducer (NFT). The NFT comprises a near-field emitter configured to heat a surface of a magnetic disk, and a hybrid plasmonic disk. The hybrid plasmonic disk comprises a plasmonic region and a thermal region. The plasmonic region comprises a first material or alloy that is a plasmonic material or alloy. The thermal region comprises a second material or alloy that is different than the first material or alloy.

Abstract: Photonic integrated circuits and optical couplers with improved process tolerance, and methods of forming the same, are disclosed herein. In one example, an integrated circuit package includes a photonic integrated circuit (PIC) to send or receive optical signals and an optical coupler to optically couple the PIC to one or more optical fibers. The PIC includes a first interface with at least two recesses and one or more grooves positioned between the recesses, and the optical coupler includes a second interface with at least two protrusions and one or more ridges positioned between the protrusions (or vice versa). The protrusions on the optical coupler are mated with the recesses on the PIC, and the ridges on the optical coupler are mated with the grooves on the PIC.

Abstract: In an example, a system includes a single-output flyback/LLC converter adapted to be coupled to an alternating current (AC) power supply. The system also includes a buck regulator coupled to the single-output flyback/LLC converter. The system includes a first LED including an anode coupled to the single-output flyback/LLC converter and a cathode coupled to the buck regulator. The system also includes a second LED including an anode coupled to the single-output flyback/LLC converter and a cathode coupled to a ground terminal.

Abstract: The present invention discloses a rubber composition, a processing method thereof, and also a brake fluid-resistant product using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix; 1.5-8 parts of a crosslinking agent 40-140 parts of a reinforcing filler; and 0-40 parts of a plasticizer, wherein the rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A?100 parts; an EPM with a content represented as B, in which 0?B<100 parts; and an EPDM with a content represented as C, in which 0?C<100 parts. The rubber composition is useful in the production of brake fluid-resistant brake rubber hose and brake rubber diaphragm.

Abstract: The present invention discloses a rubber composition comprising, in parts by weight, 100 parts of a rubber matrix, 1.5 to 9 parts of a crosslinking agent, 0.2 to 9 parts of an assistant crosslinking agent, 40 to 170 parts of a reinforcing filler, 6 to 93 parts of a plasticizer and 3 to 25 parts of a metal oxide. The rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, an EPM with a content represented as B, in which 0?B<100 parts, and an EPDM with a content represented as C, in which 0?C<100 parts. The present invention provides a rubber composition which is excellent in heat resistance and mechanical properties and is useful in a cover rubber of a conveyor belt.

Abstract: The present invention discloses a rubber composition. The rubber composition includes a rubber matrix and a crosslinking system. The rubber matrix includes, in parts by weight, the following components: a branched polyethylene with a content represented as A, in which 0<A?100, an EPM with a content represented as B, in which 0?B<100, and an EPDM with a content represented as C, in which 0?C<100. Based on 100 parts by weight of said rubber matrix, the content of the crosslinking system is represented as D: 1?D?15 parts. The crosslinking system includes at least one of a crosslinking agent and an auxiliary crosslinking agent. The branched polyethylene has a degree of branching of not less than 50 branches/1000 carbon atoms, a weight average molecular weight of not less than 50,000, and a Mooney viscosity ML(1+4) at 125° C. of not less than 2.