Abstract: A fixture and electronic equipment for rapid assembly and disassembly of expansion cards. The fixture comprises a holder, a bracket, a first connector, and a second connector. The holder is configured to fix the expansion card. The first connector is positioned on the holder. A first slot is defined on the bracket. The first connector enters the first slot. Two walls of the first slot are stopped on opposite sides of the first connector along the second direction. The bracket supports the holder along the third direction. The second connector is positioned on the holder. A socket is defined on the bracket. The second connector is insertable into the socket to limit the holder from moving relative to the bracket along the first direction. The first direction, the second direction, and the third direction are perpendicular to each other.

Abstract: The present disclosure discloses an intelligent point-of-care testing device for mycotoxins based on a quantum dots test strip. A first light source and a second light source are used for exciting a test strip which is placed in a shell and coated with a mycotoxin antigen to obtain emitted light, and a light filtering component is used for filtering out impurity light. A clamping mechanism is used for clamping and fixing an image capturing component. The image capturing component is used for capturing, an image of mycotoxins based on a quantum dots test strip. A processor is used for analyzing and calculating image information to obtain a mycotoxin content result. The testing time is shortened, and the portability and practicability of mycotoxin testing are improved. Quantitative instant testing of single or multi-toxin mixed pollution is achieved, and the technical problem of fluorescence quantification is solved.

Abstract: The disclosure discloses a method for estimating parameters of a resonant converter. The resonant converter has first, second port, and a resonant tank that includes an equivalent resonant capacitor and an equivalent resonant inductor, the method including: estimating a second voltage estimation value of the second port, an equivalent resonant capacitor estimation value, and/or an equivalent resonant inductor estimation value of the resonant converter according to a first voltage of the first port, an equivalent resonant capacitor voltage and an equivalent resonant inductor current of at least three effective points, wherein the points have different coordinates on a state plane of the equivalent resonant capacitor voltage and the equivalent resonant inductor current, and are on a state trajectory formed by the equivalent resonant capacitor voltage and the equivalent resonant inductor current, and the points are not central symmetric about a center of the state trajectory.

Abstract: The present disclosure relates to a biomarker, a kit, and a method for detection or auxiliary detection of proton irradiation and use thereof, and belongs to the field of biotechnology. The present disclosure provides a microbial biomarker for detection or auxiliary detection of proton irradiation, in which the microbiota includes at least one of Cyanobacteria, Epsilonbacteraeota, Anaerovorax and Helicobacter. In the present disclosure, whether a subject to be tested is exposed to proton radiation is accurately determined by detection of an abundance or relative abundance of DNA of the microbial biomarker. This is conductive to timely accident rescue, casualty treatment and clinical treatment application, which is of great significance to radiation treatment.

Abstract: Disclosed herein are related to a memory cell including one or more programmable resistors and a control transistor. In one aspect, a programmable resistor includes a gate structure and one or more source/drain structures for forming a transistor. A resistance of the programmable resistor may be set by applying a voltage to the gate structure, while the control transistor is enabled. Data stored by the programmable resistor can be read by sensing current through the programmable resistor, while the control transistor is disabled. In one aspect, the one or more programmable resistors and the control transistor are implemented by same type of components, allowing the memory cell to be formed in a compact manner through a simplified the fabrication process.

Abstract: A resistive memory device includes a bottom electrode, a top electrode and a resistance changing element. The top electrode is disposed above and spaced apart from the bottom electrode, and has a downward protrusion aligned with the bottom electrode. The resistance changing element covers side and bottom surfaces of the downward protrusion.

Abstract: A zero-Poisson-ratio honeycomb structure and an interlocking assembly manufacturing method thereof are provided. The honeycomb structure is formed by combining a four-pointed star shaped structure and horizontal and vertical honeycomb wall arrays at star corners. The zero-Poisson-ratio honeycomb structure not only has the zero-Poisson-ratio characteristic, but also can achieve respective design of in-plane and out-of-plane mechanical properties. Meanwhile, due to the existence of the horizontal honeycomb walls and the vertical honeycomb walls, the connection of multiple honeycomb walls at angular points in the honeycomb structure is avoided. Moreover, a novel manufacturing mode is provided for the honeycomb structure in addition to prepare the honeycomb structure by utilizing a 3D printing process. The honeycomb structure can be manufactured by combining an interlocking assembly process with resin matrix composites. The performance of the honeycomb structure is further improved at the material level.

Abstract: The present disclosure proposes network elements, methods at the network elements for facilitating reuse of IP address, a telecommunications system comprising the network elements. The method at a first network element for facilitating reuse of an IP address at multiple UEs comprising a first UE comprises: transmitting, to a second network element, a first request message associated with the first UE, the first request message comprising the IP address and a first indicator which, in conjunction with the IP address, uniquely identifies the first UE.

Abstract: Embodiments of the present disclosure provide methods and apparatus for authentication and authorization. A method at a session management function entity comprises determining whether to initiate a secondary authentication and/or authorization of a session of a terminal device after the terminal device moves from a first network to a second network or from the second network to the first network. The method further comprises, in response to a positive determination, send a first message to an authentication, authorization, and accounting, AAA, server to initiate the secondary authentication and/or authorization of the session of the terminal device.

Abstract: There is provided a method performed by a user plane core network function for a wireless communication network. The user plane core network function is configured with a range of Internet Protocol addresses for allocation to user equipments. The method comprises: transmitting a message to a control plane core network function, the message comprising an indication of a usage level of the range of IP addresses.

Abstract: Provided is a method for indicating a resource, including: indicating, in a configured time-frequency resource region, a time-frequency resource of a service with first transmission duration pre-empted by a service with second transmission duration, by physical layer signaling, where the first transmission duration is larger than the second transmission duration. An apparatus for indicating a resource and a storage medium are further disclosed herein.

Abstract: Methods and systems for crowd level estimation are provided. The system for crowd level estimation includes an input module and a crowd level estimation module. The input module receives an input image of a crowd and the crowd level estimation module estimates a crowd level of the crowd in the input image in response to a crowd density level.

Abstract: A power supply apparatus of a computerized tomography (CT) shelter system is provided. The power supply apparatus comprises a power source buffer unit and a generator. The power source buffer unit comprises a battery module and an inverter module. The battery module is used to store electric energy. The inverter module may convert low-level alternating-current power into direct-current power, which is then stored in the battery module, and may also convert the direct-current power stored in the battery module into high-level alternating-current power that is then supplied to a CT apparatus of the CT shelter system. The generator may generate the low-level alternating-current power that is then supplied to the inverter module, and the generator may also supply the generated low-level alternating-current power to an air conditioning apparatus of the CT shelter system.

Abstract: The present invention discloses an adaptive knowledge graph representation learning method for integrating a graph structure with text information, including: (1) sampling a neighbor triple of each of a head entity and a tail entity in a target triple; (2) calculating semantic representations of the target triple, and neighbor triples of its head and tail entities; (3) calculating structure representations of the head and tail entities of the target triple; (4) splicing the semantic representation of the target triple with the structure representations of its head and tail entities, inputting a spliced result into an adaptive classification layer, and calculating a classification result and a classification loss; and (5) optimizing the foregoing module based on an optimization algorithm of gradient descent, until a loss value converges, to obtain a final spliced result between the semantic representation of the target triple and the structure representations of its head and tail entities.

Abstract: Among other aspects, provided herein are multi-armed polymer conjugates comprising an alkanoate-linker, compositions comprising such conjugates, and related methods of making and administering the same. Methods of treatment employing such conjugates and related uses are also provided. The conjugates are prepared with high drug loading efficiencies.

Abstract: The application provides a cascade system distributed control method and device. The method including: taking an output of a closed-loop control for regulating an AC current of the power module as a reference value of a bridge arm voltage; according to the reference value of the bridge arm voltage to obtain an amplitude of the bridge arm voltage, taking the amplitude of the bridge arm voltage as a feedback signal, and after closed-loop control and regulation together with the AC current of the power module, adjusting the reference value of the bridge arm voltage; and controlling the bridge arm voltage according to the reference value of the bridge arm voltage, wherein in at least one working mode of the cascade system, a change of parameters reflecting an active current has a monotonic relation with a change of the amplitude of the bridge arm voltage.

Abstract: A fast and flexible holomorphic embedding-based method for assessing power system load margins includes the following steps: S1, acquiring required decrypted power system data from a partner indirectly; S2, establishing a system of continuation power flow equations; S3, solving the continuation power flow equation by FFHE; and S4, designing and planning a scheduling policy for the power system based on the solved load margin. Compared with prediction through a linear function, the present method is considerably precise and efficient by utilizing rational approximants obtained by expanding arc-length series without repeatedly applying a local solver inefficiently and multifariously for correction. An efficient solution is developed to solve this type of nonlinear equations efficiently. Compared with existing methods, the present method is significantly improved in computational efficiency, computational accuracy, solvable system scale and the like.