Abstract: The present disclosure provides an N protein epitope mutation marker for preparing an epitope deletion-marked vaccine strain of type II porcine reproductive and respiratory syndrome virus (PRRSV) and use thereof, belonging to the technical field of biological products. In the mutation marker, one or more amino acids are mutated based on an epitope sequence at positions 92 to 103 of a C-terminal of an N protein of the type II PRRSV; and the epitope mutation marker has an amino acid sequence shown in SEQ ID NO: 1, where X1 is selected from the group consisting of T, P, and A; and X2 is selected from the group consisting of V and A.

Abstract: A touch display panel is provided, which includes a thin film transistor substrate, a light-emitting layer, an encapsulation layer, and a touch layer. The light-emitting layer includes a cathode. The touch layer includes a plurality of touch sensing electrodes disposed in a same layer. The touch sensing electrodes are connected to a plurality of touch signal lines in a one-to-one correspondence, the touch signal lines are connected to a touch chip, a coupling capacitor is formed between the touch sensing electrodes and the cathode, and the touch chip determines whether there is a touch operation or not by detecting a variation of the coupling capacitor.

Abstract: The disclosure provides a shopping shelf. The shopping shelf includes: a shelf support; and a rack detachably mounted to the shelf support; where the rack includes: a mounting bracket; a weight sensing device above the mounting bracket; a suspension bracket base above the weight sensing device; and a suspension bracket having one end detachably mounted to the suspension bracket base.

Abstract: A goods sensing system includes: a sample collector that collects a plurality of sets of image samples, where each set of the image samples comprise sample images of a type of goods at multiple angles, where a set of the image samples of a same type of goods are provided with a same group identification, and the group identification is the type of the goods corresponding to the set of image samples; a model trainer that trains a convolutional neural network model according to each sample image and a group identification of the sample image to obtain a goods identification model; a real-time image collector that continuously acquires at least one real-time image of space in front of a shelf, each real-time image including part or all of images of goods; and a goods category deriver that obtains a type and quantity of the goods displayed in the real-time.

Abstract: A goods information collection device includes: a box; a carrier plate disposed on an inner bottom surface of the box for placing goods and an image capturing device. The image capturing device is configured to collect at least one image of the goods. The goods information collection device further includes a storage for storing the image of the goods and a data processing device connected to the image capturing device and the storage.

Abstract: The present application proposes a touch electrode, a touch panel, and a display device. The touch electrode includes a plurality of first sub-electrodes, wherein each two of the first sub-electrodes are electrically connected to each other by a connecting body; a plurality of second sub-electrodes, wherein each two of the second sub-electrodes are directly electrically connected to each other; wherein the plurality of first sub-electrodes and the plurality of second sub-electrodes are staggered with each other in a horizontal direction and a longitudinal direction in the same layer. The touch electrode of the present application is divided into a plurality of small touch sub-electrodes, which can significantly enhance the folding resistance of the touch electrode.

Abstract: A touch display device includes a cover plate, a touch display module, a substrate, a liner layer disposed on the substrate, a first transparent substrate disposed on the liner layer, a second transparent substrate disposed on the liner layer, a touch driving electrode and a touch sensing electrode. The touch driving electrode is disposed on the first transparent substrate, and the touch sensing electrode is disposed on the second transparent substrate. A capacitance between the touch driving electrode and the touch sensing electrode is varied to perform touch sensing when the touch display device is applied. A distance between the touch driving electrode and the touch sensing electrode is varied perform pressure sensing when a certain pressure is applied to the touch driving electrode.

Abstract: A touch display device includes a cover plate, a touch display module, a substrate, a liner layer disposed on the substrate, a first transparent substrate disposed on the liner layer, a second transparent substrate disposed on the liner layer, a touch driving electrode and a touch sensing electrode. The touch driving electrode is disposed on the first transparent substrate, and the touch sensing electrode is disposed on the second transparent substrate. A capacitance between the touch driving electrode and the touch sensing electrode is varied to perform touch sensing when the touch display device is applied. A distance between the touch driving electrode and the touch sensing electrode is varied perform pressure sensing when a certain pressure is applied to the touch driving electrode.

Abstract: The disclosure provides a shopping shelf. The shopping shelf includes: a shelf support; and a rack detachably mounted to the shelf support; where the rack includes: a mounting bracket; a weight sensing device above the mounting bracket; a suspension bracket base above the weight sensing device; and a suspension bracket having one end detachably mounted to the suspension bracket base.

Abstract: A sensing system and a sensing method are provided based on weight monitoring. The sensing system includes: a goods database generator that generates a goods database; a weight collector that collects a weight sensing value of the rack in real time; a pick or place status judger that determines whether the weight sensing value of the rack changes or not, where if the weight sensing value of a rack becomes smaller, it determines that there are goods taken away from the rack; and if the weight sensing value of the rack becomes larger, it determines that there are articles placed on the rack; and a goods database updater that stores the weight sensing value in the goods database to update the weight sensing value of the rack in the goods database in real time.

Abstract: The disclosure provides a target positioning system and a target positioning method. The target positioning system includes: a 3D image acquisition device that acquires at least one frame of 3D image in real time, where the 3D image comprises all or part of images of at least one target object; and a target coordinate generator in a data processing equipment, that establishes a 3D coordinate system in a closed space, and acquires coordinates or a group of coordinates of the target object in the 3D coordinate system in real time according to the at least one frame of 3D image.

Abstract: A goods sensing system includes: a sample collector that collects a plurality of sets of image samples, where each set of the image samples comprise sample images of a type of goods at multiple angles, where a set of the image samples of a same type of goods are provided with a same group identification, and the group identification is the type of the goods corresponding to the set of image samples; a model trainer that trains a convolutional neural network model according to each sample image and a group identification of the sample image to obtain a goods identification model; a real-time image collector that continuously acquires at least one real-time image of space in front of a shelf, each real-time image including part or all of images of goods; and a goods category deriver that obtains a type and quantity of the goods displayed in the real-time.