Abstract: An acid salt and a crystal form of a pyrazole-containing polycyclic derivative represented by formula (I-a), and a preparation method therefor, a pharmaceutical composition containing a therapeutically effective amount of the crystal form, and an intermediate for preparing the derivative. In particular, the present invention relates to the use of the salt and the crystal form of the compound represented by general formula (I-a) as a P2X3 inhibitor in the preparation of a drug for treating neurogenic diseases.

Abstract: Various powered personal mobility vehicles are disclosed. In some embodiments, the vehicle can include a deck having a forward portion, a rearward portion, and a neck portion. A front swivel wheel assembly and a rear swivel wheel assembly can be connected with the deck. In some embodiments, the front swivel wheel assembly comprises a motor.

Abstract: A method and apparatus for maintaining a communication connection is applicable into an electronic device, the electronic device supports running of a first system and a second system, and the method includes: sending, by the first system, a heartbeat packet to an external device based on the heartbeat packet sending request, wherein the heartbeat packet is configured to maintain a communication connection between the electronic device and the external device; and receiving, by the first system, a heartbeat feedback packet sent by the external device. An electronic device, and a non-transitory computer-readable storage medium are further provided.

Abstract: The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures.

Abstract: A generative dialog model training method in the fields of artificial intelligence, such as deep learning, natural language processing, intelligent dialogs, is disclosed. The generative dialog model training method may include: in response to determination of an update of a safety specification, taking an updated safety specification as a target safety specification, and determining a dialog input corresponding to a current optimization according to the target safety specification, the update being performed on a previous safety specification when a generative dialog model after last optimization is determined not to meet a launch requirement; and optimizing the generative dialog model according to the dialog input and a principle that a reply generated by the generative dialog model conforms to the target safety specification, the generative dialog model being configured to generate the reply corresponding to the dialog input.

Abstract: A microwave-heating crisp plate includes a body defining a food-supporting surface and an outer surface opposite the food-supporting surface, and a coating applied over at least a portion of the outer surface. The coating includes a base polymer material defining a matrix, carbon nanotubes, and ferrite particles. The carbon nanotubes and the ferrite particles are dispersed throughout the matrix in a predetermined relative ratio and in a predetermined dispersal ratio with respect to the matrix.

Abstract: Disclosed are a shallow-buried leakage-proof pipeline and a method for operating the same. The leakage-proof pipeline includes a programmable logic controller (PLC), an outer pipe, an inner pipe, a first water-pressure sensor, a second water-pressure sensor, an electromagnetic valve, and a movable water leakage detection device. The PLC is arranged on the ground. The outer pipe and the inner pipe are both shallowly buried along a horizontal direction, and the inner pipe is coaxially arranged in the outer pipe. The first water-pressure sensor and the electromagnetic valve are both arranged at a water inlet of the inner pipe, and the second water-pressure sensor is arranged at a water outlet of the inner pipe. The movable water leakage detection device is arranged at a bottom of the outer pipe.

Abstract: The disclosure is directed to systems and methods for wireless network for calculating a position measurement in a wireless network. A user equipment (UE) in wireless network may identify a positioning reference signal (PRS) received from a base station (gNB) every a discontinuous reception (DRX) cycle of the UE and when the UE is in a radio resource control (RRC) inactive state; and perform a positioning measurement based on the PRS received every DRX cycle.

Abstract: Methods, systems, and devices for error information storage for boot-up procedures are described. A memory system may detect an error associated with performing the boot-up procedure of the memory system and may store error information associated with the detected error in a persistent register at the memory system. In some cases, the memory system may additionally store the error information in a cache at the memory system. After storing the error information, the memory system may reset and, after resetting, may transfer the error information from the persistent register to a non-volatile memory device at the memory system. In cases that the memory system stores error information in the cache prior to the reset, the memory system may additionally transfer the error information from the cache to the non-volatile memory device.

Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: Formula (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.

Abstract: A network slice self-optimization method, a base station, and a storage medium are disclosed. The method may include acquiring optimization policy information and indicator threshold sent by a server, where the optimization policy information includes first network slice resource configuration information and a parameter optimization model, and the first network slice resource configuration information and the parameter optimization model are both from the second base station; acquiring a service-level agreement (SLA) indicator according to the first network slice resource configuration information and the parameter optimization model; and adjusting the first network slice resource configuration information, in response to a dissatisfaction of the SLA indicator with the indicator threshold, such that the SLA indicator satisfies the indicator threshold.

Abstract: Methods, systems, and devices for error information storage for boot-up procedures are described. A memory system may detect an error associated with performing the boot-up procedure of the memory system and may store error information associated with the detected error in a persistent register at the memory system. In some cases, the memory system may additionally store the error information in a cache at the memory system. After storing the error information, the memory system may reset and, after resetting, may transfer the error information from the persistent register to a non-volatile memory device at the memory system. In cases that the memory system stores error information in the cache prior to the reset, the memory system may additionally transfer the error information from the cache to the non-volatile memory device.

Abstract: Methods, systems, and devices for dynamic voltage supply for memory circuit are described. An apparatus may adjust a supply voltage based on a process corner and a temperature of the memory system. An apparatus may include a memory array and a controller. The controller may determine a first temperature of the apparatus is less than a first temperature threshold at a first time. The controller may transition a voltage supplied to the controller from a first voltage level to a second voltage level based on determining the first temperature is less than the first temperature threshold. The controller may determine a second temperature is greater than a second temperature threshold at a second time. The controller may transition the voltage supplied to the controller from the second voltage level to the first voltage level based on determining the second temperature is greater than the second temperature threshold.

Abstract: A device includes a substrate, a pull-down transistor over the substrate, a pass-gate transistor over the substrate, and a pull-up transistor over the substrate. The pull-up transistor includes a first gate structure and first source/drain epitaxy structures on opposite sides of the first gate structure, in which each of the first source/drain epitaxy structures comprises a first epitaxy layer and a second epitaxy layer over the first epitaxy layer, wherein a germanium concentration of the first epitaxy layer is higher than a germanium concentration of the second epitaxy layer.

Abstract: Disclosed are a central chirality induced spiro chiral tetradentate cyclometalated platinum (II) and palladium (II) complex-based circularly polarized luminescence material and an application thereof. Spiro chiral metal complex molecules can be autonomously induced by a whole tetradentate ligand to coordinate with metal ions in a less sterically hindered manner by means of a central chiral fragment La in the tetradentate ligand, to form an optically pure spiro chiral metal complex-based circularly polarized luminescence material, without need for chiral resolution. Moreover, the material has high chemical stability and thermal stability, and has important applications in circularly polarized luminescence devices.

Abstract: A two-step door opening mechanism for an oven is provided. A mechanical button and an electronic button are provided, the oven defining an oven cavity openable and closable by an oven door. A controller is provided. A digital valve, comprising a shaft configured to slide laterally between a first, unlocked position in which the shaft allows inward movement of the mechanical button and a second, locked position in which the shaft blocks the inward movement of the mechanical button. The electronic button, once actuated, is operable to cause the controller to direct the digital valve to move the shaft from the second, locked position into the first, unlocked position to unlock the mechanical button, and the mechanical button, once actuated, is operable to open the door when the shaft is in the first, unlocked position.

Abstract: A federated learning participant selection method and apparatus, and a device and a storage medium are disclosed. The method may include acquiring a plurality of participants to be selected; determining a data quality factor, a service factor and a stability factor of each participant to be selected respectively; and determining a selected participant based on the data quality factor, service factor and stability factor of the plurality of participants to be selected.

Abstract: A two-step door opening mechanism for an oven is provided. The mechanism includes first and second buttons, arranged side-by-side on a front panel of the oven, the oven defining an oven cavity openable and closable by an oven door, the first and second buttons being separately actuatable one after the other for providing two distinct actions to be performed to open the oven door. The first button, once actuated, is operable to unlock the second button, and the second button, once actuated, is operable to open the door when the second button is unlocked.

Abstract: A gesture recognition method is provided, including: obtaining a sub-image of a hand region in a target image, and determining multiple pieces of feature point position information corresponding to multiple feature points in the sub-image of the hand region; determining a first position feature vector based on the multiple pieces of feature point position information, where the first position feature vector represents a relative position relationship of any one of the multiple feature points relative to remaining feature points in the multiple feature points; determining a second position feature vector based on the multiple pieces of feature point position information, where the second position feature vector represents an absolute position relationship of the multiple feature points in the sub-image of the hand region; and outputting a recognition result of the sub-image of the hand region based on the first position feature vector and the second position feature vector.

Abstract: A heating appliance includes a housing having interior walls with interior surfaces defining a cooking chamber for heating food, a microwave heating source configured to generate microwave radiation for heating the food, and a hybrid easy-to-clean coating on at least a portion of the interior surfaces, the hybrid easy-to-clean coating including a microwave absorbing component and a super hydrophobic component.