Abstract: An MPCVD device capable of realizing effective doping, comprises a reaction chamber and a gas input structure, wherein the gas input structure includes a first pipeline and a second pipeline for reaction gas, a first gas distributor, connected with the first pipeline, uniformly transports gas as a first reactant into the reaction chamber through a gas outlet of the first pipeline located near the top of the reaction chamber, the second pipeline uniformly inputs a doped reaction gas to a surface of a substrate through a second gas distributor with circular shape, a height of the gas transport ring connected with the second pipeline is substantially the same as that of a support for the substrate, and the gas transport ring can be concentrically placed at a center position inside the support, or the gas transport ring can also be concentrically placed outside the support.

Abstract: Provided are an isolated recombinant oncolytic poxvirus capable of being regulated and controlled by microRNA and a use thereof. The isolated recombinant oncolytic poxvirus can be regulated and controlled by microRNA, and the expression level of the microRNA in tumor cells of a mammal is lower than that in normal cells of the same mammal. A target sequence of the microRNA is integrated in a 3?UTR region of an E10R gene in a recombinant oncolytic poxvirus genome.

Abstract: A fixing system includes a wire clamping device and a fixture. The wire clamping device is adapted to clamp and fix a plurality of wires. The fixture includes a base plate, a wire fixing member adapted to fix the plurality of wires clamped by the wire clamping device on the base plate, and a circuit board fixing member adapted to fix a circuit board on a front face of the base plate. The wire fixing member and the circuit board fixing member are arranged so as to align cores or conductors of the plurality of wires clamped by the wire clamping device with a plurality of wire welding pads of the circuit board placed on the base plate.

Abstract: Some embodiments of the disclosure use human peripheral blood for ctDNA sequencing or tumor tissues for whole exome sequencing, screen out mutation sites to perform antigen epitope prediction, connect and synthesize an expression gene sequence of mutant peptides. Other embodiments of the disclosure construct a lentiviral vector, package the lentivirus, transfect an APC cell to complete transformation of a specific LV cell, co-culture in vitro with PBMC separated from the peripheral blood, screen out an effective polypeptide, and transform common T cells into RFF cells. Suppressive signaling molecules include one or more of PD-1, Tim-3, LAG3, CTLA-4, BTLA, VISTA, CD160, and 2B4 (CD244). Antigen presenting cells include one or more of PBMC, a dendritic cell, neutrophil, B lymphocyte, and macrophage.

Abstract: A Micro-LED array device based on III-nitride semiconductors and a method for fabricating the same are provided. The Micro-LED array device includes arrayed sector mesa structures that are formed by etching to penetrate through a p-type GaN layer and a quantum-well active layer and deep into an n-type GaN layer, a p-type electrode array deposited by evaporation on the p-type GaN layer of sector arrays, and an n-type electrode array deposited by evaporation on the n-type GaN layer. The n-type electrode array forms blocking walls to isolate the sector mesas from one another. The blocking walls, and each of the blocking walls and the annular structure surrounding the sector mesa are connected to each other.

Abstract: The invention provides a card substrate for carrying a chip module, the card substrate has a first surface and a second surface opposite to the first surface, and a concave portion for accommodating the chip module, the concave portion includes a first concave portion, and a second concave portion further recessed from a bottom wall of the first concave portion, in a left-right direction, a size of the second concave portion gradually narrows from a middle to both sides, and in an up-down direction, the size of the second concave portion gradually narrows from the middle to both sides. The card substrate of the invention can provide good support and protect for the chip module.

Abstract: A painting system includes a conveying mechanism adapted to convey a workpiece to be painted to a painting station, a holding and rotating mechanism mounted at the painting station and adapted to hold and rotate the workpiece, and a robot having a nozzle adapted to spray a paint on the workpiece held by the holding and rotating mechanism. The robot is configured to spray the paint onto the workpiece while the holding and rotating mechanism rotates the workpiece, spraying a layer of the paint on an outer surface of the workpiece.

Abstract: A device for monitoring evaporation capacity of a water surface evaporator in a process includes a water surface evaporator and a rain collector, the rain collector and the water surface evaporator having a same size of orifice area, height, and contour profile of a monitoring device. One side of the water surface evaporator is connected with a first measuring well through a pipeline, and another side of the water surface evaporator is connected with a first electromagnetic flowmeter, a water supplementing electromagnetic valve and an overflow electromagnetic valve through a water pipe. The water supplementing electromagnetic valve is connected with a water supplementing barrel through a water supplementing pipe. A water collecting barrel is installed below the special rain collector. A second magnetostrictive water level meter, a starting drainage switch and a stopping drainage switch are installed in the second measuring well.

Abstract: An artificial intelligence diagnosis system includes a diagnosis model responsive to data received from a plurality of sensors. Each of the sensors is a part of an input channel further including a converter operative to process the received sensor data. A system manager is provided and is operative with an allocator to selectively distribute sensor data to the converters. The system manager operates with the converters such that a converter which is allocated with the sensor data processes the allocated sensor data and inputs the processed sensor data into the artificial intelligence diagnosis model. A converter which is not allocated with the sensor data generates virtual sensor data according to an instruction of the allocator and inputs the virtual sensor data into the artificial intelligence diagnosis model.

Abstract: The present invention provides a method for preparing a coronavirus-targeting universal DC cell vaccine, and belongs to the technical field of virus vaccine preparation. The preparation method includes the following steps: ligating a fusion gene including a HLA gene and a coronavirus antigen gene onto an expression vector to obtain a recombinant vector; then transferring the recombinant vector into antigen-presenting cells to be transfected to obtain the coronavirus-targeting universal DC cell vaccine. The universal DC cell vaccine of the present invention has a targeting property against a coronavirus, can effectively stimulate a CTL, and has a killing effect on a target cell.

Abstract: The present disclosure provides a preparation method of 4-(heptafluoro-2-propyl)-2-trifluoromethylaniline and an application thereof. The preparation method comprises the following steps: reacting 2-aminobenzotrifluoride and 2-bromoheptafluoropropane in the presence of sodium formate or hydrates thereof and a SO2 reagent, so as to obtain 4-(heptafluoro-2-propyl)-2-trifluoromethylaniline. The present disclosure adds sodium formate or hydrate thereof and the SO2 reagent during the reaction of 2-aminobenzotrifluoride and 2-bromoheptafluoropropane. Under the cooperation of these two compounds, the yield of the reaction is high. And the purity of the product is high, the operation method is simple, the cost is relatively low, and the pH of the reaction doesn't need to be controlled.

Abstract: A pallet lifting rack includes a pair of lifting devices. Each of the lifting devices has a frame, a movable bracket mounted on the frame and movable in a vertical direction relative to the frame, a support member connected to the movable bracket, and a driving device driving the movable bracket and the support member to move along the vertical direction. The support members of the pair of lifting devices support a bottom surface of a pallet from a pair of sides of the pallet, so that the pallet is supported on the support members and movable to different height positions in the vertical direction by the support members.

Abstract: A loop filter utilized in an encoder includes a constrained directional enhancement filter and a decision circuit. The constrained directional enhancement filter is arranged to process multiple frames, wherein for a first frame in the multiple frames, the constrained directional enhancement filter determines a best filter strength of each block in the first frame in a first filter strength list, and determines a second filter strength list according to content of the first frame. The decision circuit is coupled to the constrained directional enhancement filter, and is arranged to record which index in the first filter strength list is the best filter strength corresponding to each block in the first frame, and provide the first filter strength list and the index corresponding to each block to an encoding circuit of the encoder as an output of the encoder.

Abstract: The present disclosure provides an environment-friendly mildew prevention method for bamboo. The mildew prevention method for bamboo includes the following steps: soaking the bamboo in an acid solution to obtain a reaction system; subjecting the reaction system to a hydrolysis reaction to obtain a hydrolyzed product; and washing and drying the hydrolyzed product in sequence to obtain mildew-proof bamboo, where the acid solution is an inorganic acid solution or an organic acid solution; the inorganic acid solution has a mass concentration of 0.5-8%; the organic acid solution has a mass concentration of 2-40%. The present disclosure uses an inorganic acid solution or an organic acid solution to treat the bamboo, and reduces the content of starch in the bamboo through a hydrolysis reaction, thereby reducing a carbon source with starch as the main nutrient on which a mildew fungus depends and achieving the purpose of preventing the bamboo from mildewing.

Abstract: A product inspection system includes a separating device separating a pair of adjacent products in a row of products by a predetermined distance, an image capturing device simultaneously capturing a plurality of images of a plurality of surfaces of all the products of the row of products that have been separated by the separating device, and a rotating device simultaneously rotating the products in the row of products separated by the separating device. The surfaces to be inspected of each product in the row of products are successively rotated to an orientation facing the image capturing device.

Abstract: Imaging agents comprising an isolated polypeptide conjugated with a radionucleide and a chelator; wherein the isolated polypeptide binds specifically to HER2, or a variant thereof; and methods for preparing and using these imaging agents.

Abstract: Provided are a preparation method of trophoblasts with limited generations, a culture method of SNK cells and a method for treating tumor. The preparation method of trophoblasts includes the following steps: ligating a TAX2 gene to a lentiviral expression vector, followed by transferring into competent cells to obtain a lentivirus containing the TAX2 gene; infecting PBMCs with the lentivirus containing the TAX2 gene and culturing, and collecting CD3-cells; ligating a 41BBL-MICA fusion gene to the lentiviral expression vector, followed by transferring into the competent cells to obtain a lentivirus containing the 41BBL-MICA fusion gene; and mixing the CD3-cells with the lentivirus containing the 41BBL-MICA fusion gene and culturing to obtain the trophoblasts with limited generations.

Abstract: The present disclosure provides a preparation method of 4-(heptafluoro-2-propyl)-2-trifluoromethylaniline and an application thereof. The preparation method comprises the following steps: reacting 2-aminobenzotrifluoride and 2-bromoheptafluoropropane in the presence of sodium formate or hydrates thereof and a SO2 reagent, so as to obtain 4-(heptafluoro-2-propyl)-2-trifluoromethylaniline. The present disclosure adds sodium formate or hydrate thereof and the SO2 reagent during the reaction of 2-aminobenzotrifluoride and 2-bromoheptafluoropropane. Under the cooperation of these two compounds, the yield of the reaction is high. And the purity of the product is high, the operation method is simple, the cost is relatively low, and the pH of the reaction doesn't need to be controlled.

Abstract: A product inspection system includes an image acquisition system having a camera generating an inspection image of a product arranged between a plurality of mirrors. The inspection image has a plurality of sub images of different sides of the product. The inspection system has a calibration member with a plurality of correction patterns on different sides; the camera receives light from the calibration member reflected by the mirrors to generate a calibration image of the calibration member. A computer of the product inspection system receives the inspection image and the calibration image and determines a relative mirror position relationship between the mirrors. The computer forms a single spliced image of the product.