Abstract: Disclosed is a telescopic electric suitcase, including a suitcase body assembly, a handle assembly, a base assembly, and a front wheel assembly and a rear wheel assembly. The base assembly includes a telescopic outer rod assembly and a telescopic inner rod assembly. A housing is further included, and a locking mechanism is arranged inside the telescopic inner rod assembly and configured for locking the base assembly, which prevents extension or retraction caused by road vibrations during travel and enhances product stability. A pulling mechanism is arranged inside the housing, and the user drives the locking mechanism to move for unlocking by manually toggling the pulling mechanism.

Abstract: Disclosed is a telescopic electric suitcase, including a suitcase body assembly, a handle assembly, a base assembly, and a front wheel assembly and a rear wheel assembly. A steering assembly is arranged between the handle assembly and the front wheel assembly. The base assembly includes a telescopic outer rod assembly and a telescopic inner rod assembly, and the base assembly is extended or retracted, which satisfies needs of use in different scenarios. A rolling body assembly is arranged between the telescopic outer rod assembly and the telescopic inner rod assembly, which exerts an effect of assistance during extension or retraction, and prevents labor some extension and retraction due to excessive friction.

Abstract: A dual-tilt large-area collimated coating device and a carrier module. The dual-tilt large-area collimated coating device includes a base module, a rotating module and a carrier module. The rotating module is movably arranged on the base module. The carrier module includes a module body, a carrier assembly, a first driving assembly and a second driving assembly. The module body is connected to the rotating module, and has an accommodating space, a first opening, and a plurality of shielding elements. The accommodating space is communicated with the first opening. The shielding elements are configured to open or shield the first opening. The carrier assembly is configured to hold an object. The first driving assembly is configured to drive the carrier assembly to perform a reciprocating displacement in a predetermined direction. The second driving assembly is configured to drive the carrier assembly to rotate around a first axis.

Abstract: Disclosed is a valve core with a microporous structure and a solenoid valve using the valve core. The solenoid valve comprises a valve body, an electromagnetic component, an elastic component and a valve core. The valve core comprises a sealing component and a microporous material. The valve core is arranged in the valve body, the elastic component is arranged between the valve core and the electromagnetic component, a flow channel is arranged on the valve body, the microporous material is matched with a flow channel on the valve body.

Abstract: An acoustic wave resonator is provided, including: a substrate, a released part of which forms a cavity; a piezoelectric layer, including a first portion on the cavity and a second portion on an unreleased part of the substrate, configured to excite acoustic wave under action of a lateral electric field; a support anchor unit disposed between first and second portions of the piezoelectric layer and configured to connect the first and second portions; and a metal electrode layer on the piezoelectric layer, including a metal electrode array formed by at least one pair of positive and negative metal electrodes alternately arranged, the metal electrode array forms the lateral electric field. The support anchor unit includes at least one pair of support anchors respectively disposed on two sides of the first portion of the piezoelectric layer along an extending direction of the metal electrodes.

Abstract: A GIS partial discharge diagnosing method, a model training method, a device and a system are disclosed. Sensor modules are in communication with each other, so that sensor network position distribution data of each sensor module in a wireless transmission network can be determined. In a training process of a partial discharge diagnosing model, a spatial-temporal feature of the partial discharge is introduced, so that the trained partial discharge diagnosing model is adaptive to different GIS equipment and different sensors layout solutions, and has better model universality and applicability, thus greatly saving a training time of the model and expediting the deployment of the partial discharge diagnosing model. Moreover, the model trained in the present disclosure accounts for the relationship between the position where partial discharge occurs and the sensor network position distribution.

Abstract: Disclosed is a display panel. In the display panel, a first trace layer of a power supply trace has a first target region exposed by a through-slot region of a first organic film layer, and an orthographic projection of a third material layer of the first trace layer disposed in the first target region is within an orthographic projection of a second material layer on the base substrate. An orthographic projection of a second material layer of the first trace layer on the base substrate is within an orthographic projection of the first material layer on the base substrate.

Abstract: A device inputs a raw image into a machine learning model, and receives a predicted image comprising a plurality of masks as output from the machine learning model, each mask of the plurality of masks surrounding a plurality of pixels predicted to correspond to a given classification predicted by the machine learning model. The device inputs the raw image and the predicted image into a refinement model, and receives, as output from the refinement model, revised boundaries for each mask of the plurality of masks, the revised boundaries generated by fusing each mask with a boundary determined from the raw image by using a segmentation model. The device outputs classifications for each pixel of the raw image based on the revised boundaries.

Abstract: A harmonic reducer includes a power shaft, a wave generator mounted on the power shaft, a circular spline including internal teeth, a flex spline including external teeth and configured to receive the wave generator to cause the external teeth to mesh with the internal teeth progressively as the wave generator rotates. The harmonic reducer further includes a bearing system configured to support the power shaft, and the bearing system includes at least one first bearing and a second bearing located at a first side of the wave generator.

Abstract: A fixing module and a processing device are provided. The fixing module includes a first clamping component, a second clamping component, a fixing component, a rotation component, and an elastic component. The first clamping component is configured to clamp an object. The second clamping component corresponds to the first clamping component and is configured to clamp the object. The fixing component corresponds to the second clamping component. The rotation component corresponds to the second clamping component. The elastic component is connected to the second clamping component and the fixing component, and a portion of the elastic component is arranged on the rotation component. The fixing module is configured to pull the second clamping component through the elastic component, such that a tension force is applied to the object by the second clamping component.

Abstract: The present disclosure relates to a probe adapter and a measurement system, including: a first interface, configured to be electrically connected to a probe; a second interface, configured to be electrically connected to a measuring instrument; signal transmission lines, including first and second signal transmission lines, and a line selection switch, where the first and second signal transmission lines are both located between the first interface and the second interface, and the line selection switch is configured to select the first signal transmission line or the second signal transmission line to conduct the first interface and the second interface; and a signal conditioning circuit, located on the second signal transmission line, and configured to adjust an impedance of a measured signal to match an input impedance of the measuring instrument, and/or adjust an amplitude of the measured signal to match a measurement range of the measuring instrument.

Abstract: A piezoionic device for providing an electrical signal, wherein the device comprising: (i) a matrix comprising a plurality of mobile cations and anions, (ii) two or more electrodes in contact with the matrix, configured to provide the electrical signal in response to an external pressure applied to the matrix depending on a mobility difference between the cations and the anions. The piezoionic device comprises a selective ion mobility amplification mechanism, for selectively enhancing or hindering diffusivity of either the cations or the anions, thereby increasing the mobility difference which amplifies the electrical signal.

Abstract: A system or a method for fast training an artificial intelligence (AI) model. The system accesses a training dataset, divides the training dataset into a training subset and a holdout test subset, and trains the AI model using the training subset. For each of multiple training epochs, the system checkpoints while training the AI model. Checkpointing includes applying the trained AI model to the training subset to determine a train loss value, applying the trained AI model to the holdout test subset to determine a test loss value, and determining whether both train loss values and test loss values converge at a particular epoch. Responsive to determining that convergence occurred at the particular epoch, the system selects the AI model trained at the particular epoch.

Abstract: Disclosed is a loudspeaker structure including a housing, a magnetic element, a conductive ring and a first vibration assembly. The housing has an accommodation groove and a first sound cavity, the accommodation groove communicates with the first sound cavity, and the first sound cavity has a first opening. The magnetic element is disposed in the accommodation groove. The conductive ring is wound around a peripheral side of the magnetic element, and a current in the conductive ring controls a magnetic field of the magnetic element. The first vibration assembly has a first diaphragm and a first vibration element, the first diaphragm covers the first opening, the first vibration element is disposed on the first diaphragm, and the first vibration element is attracted or repelled by the magnetic field of the magnetic element to drive the first diaphragm to vibrate to produce sound.

Abstract: A device generates a training set of images by, for each image of a plurality of training images, receiving user input of a set of labels for a portion of the image, the portion less than an entirety of the image, the set of labels comprising classifications of individual pixels within the image, and automatically applying a label of unknown to a remainder of the image that excludes the portion of the image. The device inputs an unlabeled image into a machine learning model, the machine learning model trained using the training set, and receives, as output from the machine learning model, predicted classifications for each pixel of the image.

Abstract: The application provides a display panel motherboard and manufacturing method thereof. The display panel motherboard includes display panel forming areas distributed in an array and a test area adjacent to the display panel forming areas. The display panel motherboard includes an array mother substrate; a light-emitting layer, disposed on a surface of a side of the array mother substrate and located in the display panel forming areas; and a test component, disposed on the surface of the array mother substrate and located in the test area, the test component including a test block including a fluorescent layer, disposed on the surface of the array mother substrate and emitting light upon being irradiated by activation light; a target test layer, disposed on the side of the fluorescent layer facing away from the surface; and a positioning reference portion, disposed at a peripheral side of the target test layer.

Abstract: A rubber reinforcing filler and a method for preparing rubber reinforcing filler by activation and modification of coal gangue are provided. The method includes the following steps: providing coal gangue raw material; crushing coal gangue raw materials; the crushed coal gangue raw materials are ultrafine grinding to obtain coal gangue particles; coal gangue particles were obtained by air flow classification. Activation of coal gangue particles; the activated gangue particles were surface modified and ground to obtain the modified gangue particles. The invention relates to the field of comprehensive utilization of coal gangue and the technical field of rubber filler. The method is simple and effective, which can complete the blending modification of coupling agent and activated coal gangue particles for surface modification at low cost, so as to avoid the waste of materials in the traditional modification process and realize the preparation of high quality rubber reinforcing filler.

Abstract: Provide crystal forms of 5-fluoro-1-(4-fluoro-3-(4-(pyrimidin-2-yl) piperazine-1-carbonyl) benzyl) quinazoline-2, 4 (1H,3H)-dione and preparation method thereof.