Abstract: The presently described and claimed disclosure relates to method for characterizing nucleic acid purity comprising denaturing a nucleic acid sample, loading the nucleic acid sample onto a capillary electrophoresis (CE) capillary, wherein the CE capillary is filled with a buffer comprising a polymer matrix, applying a separation voltage to the CE capillary, wherein during the separation of the nucleic acids, the temperature of the CE capillary is increased, and detecting nucleic acids separated from the nucleic acid sample with a detector. Kits and instructions for use are also described.

Abstract: The present disclosure provides a colorimetric nanosensor for detecting trace-levels of Hg2+ in environmental water, which is composed of Fe7S8 nanosheets, glutathione or its aqueous solution, 3,3?,5,5?-tetramethylbenzidine colorimetric solution, H2O2 aqueous solution, and NaAc-Hac buffer. The preparation method of Fe7S8 nanosheets is as follows: FeCl2·4H2O and CH4N2S are dissolved in ethylene glycol in a mass ratio of (2˜3):1, heated at 200° C. for 10˜15 hours, cooled, centrifuged, washed, and dried to obtain. The colorimetric nanosensor of the present disclosure can quickly and sensitively determine the trace-levels Hg2+ in environmental water. The colorimetric nanosensor of the present disclosure does not rely on large detection instruments, and the nanozymes used is low-cost, stable, and recyclable. It has important practical significance for accurate, fast, and low-cost detection of trace-levels of Hg2+ in environmental water.

Abstract: The present application provides a semiconductor device and a manufacturing method thereof and a memory system. The manufacturing method of the semiconductor device includes: forming a dielectric layer on a stack layer, wherein memory channel structures penetrating through the stack layer along a first direction are disposed in the stack layer, and the first direction is parallel to a stacking direction of the stack layer; forming a plurality of openings penetrating through the dielectric layer along the first direction, with the rest of the dielectric layer forming top selective gate cut lines, wherein the plurality of openings are arranged as being spaced apart along a second direction, one of the top selective gate cut lines is located between two adjacent ones of the openings in the second direction, and the first direction intersects the second direction; and forming a top selective gate layer in the plurality of openings.

Abstract: The present disclosure provides a method, an apparatus, a storage medium, and an electronic device for controlling an IoT device. The method includes: receiving detection data reported by an IoT device; verifying device control information based on the detection data; and sending, in response to second data in the device control information being successfully verified, a control instruction configured for execution of a pending action to the IoT device to be controlled based on first data. The above method is conductive to improving the response speed of the IoT device.

Abstract: A computer-implemented method for data processing includes obtaining, by each secure multi-party computation (MPC) computation party of a system comprising a data provider and n secure MPC computation parties, a first data component from a data message sent by the data provider, where n is an integer greater than 3, where the first data component is one of a plurality of data components obtained after the data provider splits private data, and where the first data component is an address-geocoded component. Perform MPC processing to obtain a second data component by converting the first data component from the address-geocoded component and to a one-hot encoded component.

Abstract: Provided are a solar cell, a photovoltaic module, and a method for manufacturing a silicon wafer. The solar cell includes a silicon substrate in a rectangular shape, and 13 to 20 busbars. The busbars are sequentially arranged along a width direction of the solar cell at an equal spacing of a mm. The silicon substrate includes a first edge and a second edge opposite to the first edge in the width direction of the solar cell. A distance between the first edge of the silicon substrate and an outermost busbar adjacent to the first edge is b mm, where a?1?2b?a+1.

Abstract: A method for manufacturing a silicon wafer, a solar cell, and a photovoltaic module. The method includes: selecting four arc segments on a circumference of the silicon ingot according to chamfering parameters of the solar wafer; squaring the silicon ingot along lines connecting adjacent chamfered arc segments to obtain a rectangular body having a rectangular cross section with chamfers; and cutting the rectangular body along a direction perpendicular to a length direction of the silicon ingot to obtain a rectangular silicon wafer with chamfers.

Abstract: A photovoltaic module includes a plurality of solar cells connected by leads. The solar cells are arranged with a preset gap or are arranged overlapping with one another. A shape of the lead matches arrangement of the solar cells. The lead includes a flat section having a smaller thickness than other sections.

Abstract: The present disclosure provides an array substrate, a display panel and a display device, relating to the field of display technologies. The array substrate includes a display area and a peripheral area located at a side of the display area; the peripheral area includes a plurality of first signal line groups, and each of the first signal line groups includes two clock signal lines extending in a same direction; signals transmitted in the clock signal lines are square wave signals, a phase of a clock signal transmitted by one of the clock signal lines in each of the first signal line groups is opposite to a phase of a clock signal transmitted by the other clock signal line in the same first signal line group, and the two clock signal lines in the same first signal line group are arranged to be adjacent to each other.

Abstract: The present application provides an apparatus and a method for manufacturing a semiconductor film. The apparatus includes: a chamber; a spray board arranged at a top of the chamber; a wafer pocket arranged opposite to the spray board in the chamber; and a pumping part arranged close to an inner side wall of the chamber.

Abstract: A vacuum drying device and a related method thereof are provided. The device includes a box body, where a bottom end of the box body is provided with a base, and a top end of the box body is communicated with a vacuumizing pipeline. A lifting mechanism is arranged in the base, and a top end of the lifting mechanism is fixedly connected with a table top. A plurality of drying mechanisms are arranged on the table top, and top ends of the drying mechanisms are fixedly connected with a take-up mechanism. The take-up mechanism is connected with a powder collecting mechanism, the take-up mechanism is fixedly connected with the box body, and the take-up mechanism is connected to a wire collecting mechanism. The wire collecting mechanism is connected to a powder collecting mechanism, and the wire collecting mechanism is fixedly connected to the vacuumizing pipeline.

Abstract: Disclosed in the present application are an information configuration method and apparatus, and a network device, a first device and a storage medium. The method comprises: a network device sending first information to a first device, wherein the first information at least indicates an association relationship between a first network and a network slice, and the first network is used for connecting a terminal and the first device.

Abstract: Data query methods, apparatuses and computer-readable media are described. In an example process of processing, by a third party, a federated data table formed based on data of a plurality of data parties, if related data need to be obtained based on sorting of multiple attribute columns of the data table, when the federated data table is sorted based on attribute values of the attribute columns, a row identifier is introduced for an out-of-order data table obtained by disordering the federated data table, and an index is created based on the row identifier. The row identifier is determined by the third party and exists in a form of ciphertext in an index table. A row identifier of a candidate row can be restored to a plaintext.

Abstract: A light-emitting diode includes a base and light-emitting devices including a first light-emitting device, a second light-emitting device, and a third light-emitting device. The area of the first light-emitting device, the area of the second light-emitting device, and the area of the third light-emitting device decrease in order. Each light-emitting device includes a light-emitting stacked layer. In two adjacent light-emitting devices, at least one light-emitting device further includes a first reflective layer provided between a light-emitting stacked layer of the light-emitting device to which the first reflective layer belongs and another light-emitting device. The first reflective layer covers a first region and exposes at least a portion of a second region, the first region being a region where the two adjacent light-emitting devices overlap with each other, and the second region being a region where the two adjacent light-emitting devices are non-overlapping with each other.

Abstract: A multi-focus histotripsy method based on a pulsed ultrasound phased array with hundred elements is provided. Excitation amplitude and phase of individual elements are regulated to control a phased array to produce multiple focus modes. A two-stage histotripsy is performed based on these focus modes. In a first stage, a first pulsed ultrasound is applied to an experimental sample in a target area to induce generation of cavitation microbubbles and boiling bubbles to preliminarily homogenize the experimental sample to form a loose product; and in a second stage, the experimental sample is mechanically disrupted and homogenized using a second pulsed ultrasound. The first pulsed ultrasound and the second pulsed ultrasound each are a hundred micro-second pulse or a milli-second pulse. Duty cycles of the first pulsed ultrasound and the second pulsed ultrasound are 3-10% and less than 2%, respectively. A multi-focus histotripsy system is further provided.

Abstract: The embodiments of the present application disclose a method and apparatus for calculating carbon emission intensities, and a terminal and a storage medium thereof, which belong to the field of energy management. The method includes: acquiring basic attribute data of a power system, and acquiring an active power generation amount of a power generator set based on the basic attribute data; acquiring an initial value of a carbon emission factor of power generation fuel of the power generator set according to a life cycle type of the power generator set, wherein the initial value is defined to indicate a carbon emission amount caused by a unit power generation amount; and acquiring a carbon intensity of the power generator set based on the active power generation amount and the initial weight value of the power generator set.

Abstract: Provided in the present disclosure are a light-emitting substrate and a display apparatus. The light-emitting substrate includes: a driving backplane; a plurality of light-emitting chips, arranged on the driving backplane in an array, where the light-emitting chip includes a buffer layer, an N-type semiconductor layer, a multi-quantum well layer, and a P-type semiconductor layer sequentially arranged on the driving backplane in a stacked manner; and a grating structure, on a side of the plurality of light-emitting chips facing away from the driving backplane, where the grating structure has a plurality of regions, and the regions are configured to transmit light of different wavelength bands.

Abstract: A decoding method includes the following. The bitstream is decoded to determine filtering identification information, where the filtering identification information is used to determine whether to filter a reconstructed point cloud. When the filtering identification information indicates to filter the reconstructed point cloud, the bitstream is decoded to determine filtering coefficients. K target points corresponding to a first point in the reconstructed point cloud are filtered with the filtering coefficients to determine a filtered point cloud corresponding to the reconstructed point cloud, where the K target points include the first point and (K?1) nearest points adjacent to the first point, K is an integer greater than 1, and the first point represents any point in the reconstructed point cloud.

Abstract: A page processing method, apparatus, device, and storage medium are provided. One of the methods includes: displaying a first personal homepage of a first user in a preset application program, wherein a currently logged in identity of the preset application program is consistent with the first user, and the first personal homepage comprises a first presentation area and a second presentation area; displaying in a first sub-area of the first presentation area the user identifier of the first user, displaying in a second sub-area of the first presentation area an entry of a first function in a first function set, displaying in the second presentation area information associated with multimedia content published by the first user and displaying an entry of a second function in a second function set, wherein the second sub-area is invisible to a second user when the second user accesses the first personal homepage.

Abstract: The present disclosure relates to a device, method and storage medium for wireless communication. Various embodiments regarding multi-beam sensing and access are described. In an embodiment, an electronic device for wireless communication includes a processing circuit, and the processing circuit is configured to initiate a plurality of listen before talk (LBT) procedures on a plurality of beams; for an LBT procedure on a first beam of the plurality of beams, determine that a first threshold number of successful clear channel assessment (CCA) detections have been completed; for an LBT procedure on at least one other beam of the plurality of beams, determine that a corresponding threshold number of successful CCA detections have not been completed; and determine whether at least one additional CCA detection is to be performed on the first beam.