Abstract: Provided is an array substrate. The array substrate includes: a substrate, and a first electrode, a connecting electrode, and at least two insulating layers arranged on the substrate, wherein the first electrode is disposed on a side, proximal to the first electrode, of the at least two insulating layers, and the connecting electrode is disposed on a side, facing away from the substrate, of the at least two insulating layers; and at least two communicated vias are arranged in the at least two insulating layers, a size of a first via, most proximal to the substrate, in the at least two vias is less than sizes of other vias, and the connecting electrode is lapped with the first electrode via the at least two vias.

Abstract: Compositions and methods for discovery of off-target CRISPR-Cas genome editing in patients, patient-derived cells and animal models are provided.

Abstract: Disclosed are an antibody that can bind to human MASP-2, a preparation method therefor and an application thereof. The anti-human MASP-2 antibody of the present invention can specifically bind to human MASP-2, has good biological activity of inhibiting the cleavage of C4 and the generation of C3b, and can be applied in the treatment of MASP-2 related diseases, such as IgA nephropathy.

Abstract: The present application relates a solar cell, a photovoltaic device and a photovoltaic system. The solar cell includes a substrate, a first passivation layer, and a second passivation layer. The substrate includes a first surface and a second surface opposite to each other along a thickness direction of the substrate. The first passivation layer is disposed on the first surface of the substrate. The second passivation layer is disposed on a side of the first passivation layer away from the substrate. A material of the first passivation layer is the same as that of the second passivation layer. An atomic packing density of the first passivation layer is higher than that of the second passivation layer. An average thickness of the first passivation layer is smaller than that of the second passivation layer.

Abstract: Disclosed in the present invention are a device system and method having sintering flue gas CO catalytic heat exchange and medium-and-low-temperature SCR denitration connected in series. In the device system, a CO catalytic heat storage and exchange device is arranged to completely replace an original heat exchanger arranged after a raw desulfurized flue gas pipe. The method comprises respectively carrying out first CO catalytic conversion and second CO catalytic conversion on sintering flue gas and denitrated flue gas by means of the CO catalytic heat storage and exchange device, thereby increasing CO conversion efficiency and reducing overall resistance of the system. In addition, the present invention takes both CO pollution control and carbon emission reduction into consideration and thus has good economic benefits and a good application prospect.

Abstract: A solar cell and a manufacturing method thereof, and a photovoltaic system. The solar cell includes: a substrate layer including a first surface and a second surface arranged oppositely along a thickness direction thereof; a tunnel oxide layer, a first doped polysilicon layer, and a first passivation layer sequentially arranged on the first surface of the substrate layer in a direction gradually away from the substrate layer; and a first finger electrode layer, at least one of the first fingers being arranged in first connection holes, bottoms of the first connection holes being located in the first doped polysilicon layer, and the first fingers passing through the first connection holes corresponding thereto to be electrically connected to the first doped polysilicon layer; and in the first direction, widths of the first connection holes being all less than widths of the first fingers corresponding to the first connection holes.

Abstract: A solar cell and a manufacturing method thereof, a photovoltaic module, and a photovoltaic system. A doped layer of the solar cell includes a lightly doped region and a heavily doped region, the heavily doped region includes a body region, connecting regions, and edge regions, and an electrode includes an electrode body, connecting electrodes and edge electrodes. The body region substantially corresponds to the electrode body, and the connecting regions and the edge regions can provide spaces more than spaces corresponding to the connecting electrodes and the edge electrodes.

Abstract: Provided are a computer-implemented method, system, and computer program product for multidimensional data recover. A snapshot restore request is received with at least one parameter defining at least one dimension for data recovery. At least one snapshot is reconstructed from a single continuous snapshot stream taken for a certain period of time based on the at least one parameter. A selected snapshot is received for data recovery selected from the at least one reconstructed snapshot. The selected snapshot is restored.

Abstract: A sealing quality detection device for gas extraction boreholes includes a detection host, a detection pipe, a sealing element, and a three-way pipe. A plurality of air inlets and a plurality of exhaust ports are formed above the detection host, a negative pressure injector is arranged in the detection host, a quick joint and a control switch are also arranged on the detection host, the quick joint is used to be connected with an underground wind pipe, the underground wind pipe is connected to an underground compressed air tube, and the control switch is used for starting and switching off the negative pressure injector in the detection host. A sealing quality evaluating method for gas extraction boreholes is provided.

Abstract: A method for preparing chiral synthetic nicotine includes the following steps: Step S1. condensing nicotinic acid ester and ?-butyrolactone under the action of alkaline condensate in organic solvent I to obtain the first mixture; Step S2. performing a ring-opening reaction to the first mixture obtained in Step S1 by adding an acidic substance to obtain a second mixture; Step S3. separating 4-chloro-1-(3-pyridine)-1-butanone from the second mixture obtained in Step S2, reacting with chiral tert-butyl sulfinamide to obtain chiral N-(4-chloro-1-(pyridin-3-yl)butene)-2-methylpropane-2-sulfinamide; Step S4: reacting the chiral N-(4-chloro-1-(pyridin-3-yl) butene)-2-methylpropane-2-sulfenamide with a reducing agent, and then cyclizing under the action of hydrogen halide to obtain a chiral demethylized nicotine; and Step S5: performing methylamination to the chiral demethylized nicotine to obtain a chiral nicotine.

Abstract: The present disclosure provides a gate line structure of a solar cell and a solar cell applying same. The structure comprises a plurality of main gate lines extending along a first direction and arranged at intervals along a second direction, and a plurality of thin gate lines extending along the second direction and arranged at intervals along the first direction, wherein the first direction and the second direction are not parallel, the plurality of main gate lines are electrically connected to the plurality of thin gate lines respectively, and between any two adjacent main gate lines, each thin gate line has a disconnected section. According to the gate line structure of a solar cell and a solar cell applying same of the present disclosure, silver paste consumption can be effectively reduced while ensuring cell efficiency, reducing the preparation costs of a solar cell.

Abstract: The present invention relates to the field of biomedicine, and relates to a pharmaceutical use of a hypoxia-inducible lipid droplet-associated protein or a truncated fragment thereof. Specifically, the present invention relates to a use of a hypoxia-inducible lipid droplet-associated protein or a truncated active fragment thereof in the preparation of a drug for treating or preventing hyperlipidemia, hyperlipidemia complications or neurodegenerative diseases, or a use of the hypoxia-inducible lipid droplet-associated protein or the truncated active fragment thereof in the preparation of a drug for reducing the apolipoprotein level, low-density lipoprotein level, or very low-density lipoprotein level in blood or cerebrospinal fluid.

Abstract: A sealing quality detection device for gas extraction boreholes includes a detection host, a detection pipe, a sealing element, and a three-way pipe. A plurality of air inlets and a plurality of exhaust ports are formed above the detection host, a negative pressure injector is arranged in the detection host, a quick joint and a control switch are also arranged on the detection host, the quick joint is used to be connected with an underground wind pipe, the underground wind pipe is connected to an underground compressed air tube, and the control switch is used for starting and switching off the negative pressure injector in the detection host. A sealing quality evaluating method for gas extraction boreholes is provided.

Abstract: The present application provides a large-area perovskite layer and a preparation method thereof. The preparation method includes: dissolving raw materials of a perovskite in an ionic liquid or in a mixture of the ionic liquid and an organic solvent, thereby forming a perovskite precursor, and coating the perovskite precursor onto a surface of a crystalline silicon bottom cell, thereby forming the perovskite layer.

Abstract: Provided is a metal oxide thin film transistor. The metal oxide thin film transistor includes: a gate, a gate insulator layer, a metal oxide semiconductor layer, a source, a drain, and a first insulator layer that are successively stacked on a base substrate. The first insulator layer is in contact with the metal oxide semiconductor layer. The first insulator layer is an inorganic insulator layer containing silicon and oxygen, and an atomic percentage of oxygen contained in the first insulator layer is greater than 50%. An atomic percentage of oxygen contained in the metal oxide semiconductor layer is greater than 45%.

Abstract: A battery cell includes an electrode assembly, a case, an end cover, a first current collecting member, and a second current collecting member, where the case is provided with a first position-limiting portion protruding from the inner side face; the first current collecting member is used for connecting tabs; the second current collecting member is used for connecting the first current collecting member and the first position-limiting portion; and the first current collecting member includes a first region overlapping with the first position-limiting portion along a thickness direction and a second region not overlapping with the first position-limiting portion, the first region and the second region both being welded to the tabs. The first region can be welded to the tab of an outer ring layer, and the second region can be welded to the tab of an inner ring layer, which enables uniform current conduction to be realized.

Abstract: The present application provides a film preparation method, a solar cell, a photovoltaic device, and a photovoltaic system. The film preparation method includes forming a first passivation layer on a first surface of a substrate by using a first preparation technique; and forming a second passivation layer on a surface of the first passivation layer away from the substrate by using a second preparation technique, a material of the second passivation layer is the same as that of the first passivation layer; wherein a passivation layer forming speed of the first preparation technique is lower than that of the second preparation technique, and a passivation effect of the first passivation layer is better than that of the second passivation layer.

Abstract: A method for preparing a solar cell is provided. The method includes providing a N-type silicon substrate; depositing a tunnel passivation structure on the first surface of the N-type silicon substrate, and then depositing a mask layer on the tunnel passivation structure; cleaning the second surface of the N-type silicon substrate; performing boron diffusion treatment on the cleaned second surface of the N-type silicon substrate and annealing treatment on the tunnel passivation structure in the same environment, so that a first emitter layer is formed on the second surface of the N-type silicon substrate and the tunnel passivation structure is crystallized; performing laser patterning treatment on the first emitter layer to form a second emitter region; depositing a passivation and anti-reflection film; and forming a first electrode and a second electrode.

Abstract: A method of shuffling data may include shuffling a first batch of data using a first memory on a first level of a memory hierarchy to generate a first batch of shuffled data, shuffling a second batch of data using the first memory to generate a second batch of shuffled data, and storing the first batch of shuffled data and the second batch of shuffled data in a second memory on a second level of the memory hierarchy. The method may further include merging the first batch of shuffled data and the second batch of shuffled data. A data shuffling device may include a buffer memory configured to stream one or more records to a partitioning circuit and transfer, by random access, one or more records to a grouping circuit.

Abstract: Distributed rendering of digital objects in augmented reality environments includes a method, system, and computer program product that are configured to: receive a first space matrix from a first augmented reality (AR) device; receive a second space matrix from a second AR device; perform distributed rendering of a digital object for the first AR device and the second AR device in response to receiving the first space matrix and the second space matrix; transmit first image data to the first AR device, the first image data defining the first version of the first part of the digital object and the second part of the digital object; and transmit second image data to the second AR device, the second image data defining the second version of the first part of the digital object and the second part of the digital object.