Abstract: The present disclosure describes a nanoparticle comprising a three dimensional DNA nanocage and a payload biological macromolecule, and methods of assembly thereof.

Abstract: An array substrate includes: a first substrate (10), including a plurality of sub-pixel regions (101) arranged in an array along a row direction (X) and a column direction (Y); a pixel circuit layer, including a plurality of sub-pixel circuits; a planarization layer (17), provided with a first via hole (170) located in the sub-pixel regions (101), and includes at least one pattern portion (171), the pattern portion (171) includes a plurality of pattern units (171a) arranged in an array along the row direction (X) and the column direction (Y); and a reflective electrode layer, wherein the reflective electrode layer includes a plurality of reflective electrodes (18) that are mutually disconnected, each of the reflective electrodes (18) is located in one of the sub-pixel regions (101) and is electrically connected to the sub-pixel circuit through the first via hole (170).

Abstract: The present invention provides a multimass MEMS gyroscope featuring an orthogonal arrangement, which comprises an anchor point unit, a sensing unit and a driving unit; the anchor point unit comprises a central anchor point subunit located at the center of a rectangle and four corner anchor points located at the four corners of the rectangle respectively; the sensing unit comprises four detection mass blocks each of which has a frame structure and is elastically connected between the central anchor point subunit and the corresponding corner anchor point, receding spaces being formed between the detection mass blocks, and four detection decoupling parts; and the driving unit comprises four driving mass blocks, and driving decoupling parts. The gyroscope can improve the arrangement area of transducers and reduce the mass of the detection mass blocks to improve the Coriolis gain, thereby improving the mechanical sensitivity of the gyroscope.

Abstract: The present invention provides a capacitive micromechanical acceleromete. The capacitive micromechanical acceleromete includes a base with anchor points, at least one detection structure pair arranged on one side of the base and elastically connected to the anchor points, and a detection electrode spaced apart from each detection structure pair. Each detection structure pair includes two seesaw structures elastically connected to the base respectively. The seesaw structures are asymmetric about a rotation axis where the anchor points are located; asymmetric portions of the two seesaw structures are reversed and parallel. In a detection modality, changing directions of spacings formed between the two seesaw structures and the detection electrode are opposite. The capacitive micromechanical acceleromete can reduce the impact of the noise of the angular acceleration of the external rotation or the stress and other external factors on the detection of the accelerometer, and improving the detection accuracy.

Abstract: Provided is a fully decoupled MEMS gyroscope, including an anchor point unit, a sensing unit elastically connected to the anchor point unit, and a driving unit configured to drive the sensing unit to move. The anchor point unit includes a center anchor point subunit located at a center of a rectangle and four side anchor points. The driving unit includes four driving members located on four sides of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two avoiding intervals, two Y mass blocks symmetrically arranged in the other two avoiding intervals, four Z mass blocks respectively located at an outer side of each driving member, and four Z detection decoupling members respectively located at an outer side of each Z mass block. The X mass blocks and the Y mass blocks are respectively connected to each side anchor point.

Abstract: The present invention provides an accelerometer, including base, anchor points, seesaw structures elastically, and a differential detection assembly; the seesaw structures includes a first seesaw structure and a second seesaw structure which are parallel to each other and placed in reverse; the anchor points includes a first anchor point and a second anchor point; the first seesaw structure includes a first elastic member and a first mass block connected to the first elastic member; the first mass block is driven by a normal phase carrier drive signal from the first anchor point; the second seesaw structure includes a second elastic member and a second mass block connected to the second elastic member; and the second mass block is driven by a reversed phase carrier drive signal from the second anchor point. The accelerometer can effectively suppress the impact of noise of an angular acceleration of rotation.

Abstract: A semantics-based high resolution reconstruction method of a nighttime light remote sensing image includes: constructing a sample data set; the sample data set includes a plurality of data groups, and each data group includes a LR NTL image, and a HR NTL image and light semantics information consistent in spatial position with the LR NTL image; constructing a reconstruction model; performing training and validation on the reconstruction model by using the sample data set to obtain an optimized reconstruction model; and taking a to-be-reconstructed LR NTL image and light semantic information corresponding to the to-be-reconstructed LR NTL image as an input of the optimized reconstruction model, and outputting, by the optimized reconstructed model, a HR NTL image obtained through resolution reconstruction.

Abstract: A method for decoding and encoding network steganography includes: extracting an attention mask of a container image by a convolutional block attention network; extracting two-dimensional image features of a secret image by a feature preprocessing network; splicing the two-dimensional image features and the attention mask of the container image and the secret image in a channel layer, and inputting a spliced image into an encoding network to generate a stego image; inputting the stego image and the container image into a decoding network to respectively obtain a reconstructed secret image and a generated secret image; and constructing a total loss function considering a similarity between the container image and the stego image, a similarity between the secret image and the reconstructed secret image, and a difference between the reconstructed secret image and the generated secret image, and thus performing training on a network model.

Abstract: A metal seawater fuel cell includes a single cell or a battery pack which is composed of more than two single cells connected in series or in parallel or in series and parallel through circuits. The single cell has a metal anode arranged oppositely in a sealed single cell housing, a cathode carrying a hydrogen evolution catalyst, and a diaphragm arranged between the metal anode and the cathode, the bottom and the top of the single cell housing are respectively provided with fluid flow channels, and both ends of the fluid flow channels are respectively provided with openings communicated with the interior and exterior of the housing. The metal anode and/or single cell housing is placed in a closed transitional housing. The transitional housing is a degradable material or can be mechanically damaged by a driving device driven and started by a control device.

Abstract: A method for processing a dialog relationship includes performing semantic feature extraction on a sample dialog text and sample statement or speaker pairs by an initial relationship prediction model, and performing relationship prediction based on the sample text semantic information and an actual statement or speaker relationship to determine a first loss based on a relationship prediction result. The method further includes performing masked speaker prediction based on the sample text semantic information to determine a second loss based on a masked speaker prediction result. The masked speaker prediction result represents a prediction of speakers masked in the sample dialog text. The method further includes performing trigger word prediction based on the sample text semantic information to determine a third loss, and training the initial relationship prediction model based on the first loss, the second loss and the third loss to obtain a dialog relationship prediction model.

Abstract: A finite element-based ore deposit drilling information processing and analysis method and device are described herein. The information processing method includes: dividing finite elements based on related information of an exploration borehole, and constructing corresponding sectional finite element plans; and performing three-dimensional (3D) spatial co-position stacking on the sectional finite element plans, and constructing scanning analytic finite element profiles through spatial analysis. According to the method, geological borehole information can be visually analyzed and presented in a sectional and layered mode, and the method has excellent practical value and indicating significance for accurate delineation of prospecting target areas, accurate mining, dressing and smelting, and structural metallogenic research.

Abstract: The disclosure provides a method of analyzing an influence factor for predicting a carbon dioxide concentration of any spatiotemporal position. Firstly, an atmospheric carbon dioxide spatiotemporal distribution simulation method is proposed. This simulation method constructs a simulation model simulating carbon dioxide concentration distribution of any position of a region based on machine learning algorithm in combination with carbon dioxide data of satellite observation and corresponding environmental factors; next, by use of a global sensitivity analysis method, quantitative evaluation on the importance of multiple influence factors for regional carbon dioxide distribution is achieved.

Abstract: A method for retrieving heights of densely-covered forest canopies near power transmission lines includes: acquiring ICESat-2 LiDAR data, JL-1 image data, auxiliary data and three-dimensional information data about the power transmission lines within a target area; carrying out image preprocessing on a JL-1 image to generate a first image; screening the ICESat-2 LiDAR data according to a screening rule to obtain high-quality laser tree height data; by employing the first image, the high-quality laser tree height data and the auxiliary data, training a neural network model for retrieving a forest tree height according to an optical image and the auxiliary data; by employing the neural network model, generating a height distribution map of densely-covered trees in the target area; and calculating a height difference between a tree and a power transmission line nearest the tree to generate a hidden danger troubleshooting theme map.

Abstract: An automatic precision calculation method of a pose of a rotational linear array scanning image includes: obtaining a collection parameter of the rotational linear array scanning image and a camera intrinsic parameter; based on the above parameters, projecting the rotational linear array scanning image to its tangent plane by orthographic projection transformation to generate an equivalent frame image having the approximately same intrinsic and extrinsic parameters as the rotational linear array scanning image and calculate a coordinate of each pixel of the equivalent frame image projected onto the rotational linear array scanning image based on an inverse projection transformation calculation method; by using structure-from-motion method, automatically calculating a pose parameter of the equivalent frame image and a corresponding waypoint three-dimensional coordinate; with the pose parameter of the equivalent frame image as an initial value, obtaining an accurate imaging parameter of the rotational linear ar

Abstract: Disclosed is an ionic conductor slurry, a preparation method therefor and an application thereof. The ionic conductor slurry comprised parts by mass: 0.05 wt %-99.98 wt % of an ionic conductor powder material, 0 wt %-2 wt % of an anti-settling agent, 0 wt %-10 wt % of a binder, 0 wt %-2 wt % of a dispersant, 0 wt %-2 wt % of an auxiliary agent, and 20 wt %-99.

Abstract: A metal seawater fuel cell includes a single cell or a battery pack which is composed of more than two single cells connected in series or in parallel or in series and parallel through circuits. The single cell has a metal anode arranged oppositely in a sealed single cell housing, a cathode carrying a hydrogen evolution catalyst, and a diaphragm arranged between the metal anode and the cathode, the bottom and the top of the single cell housing are respectively provided with fluid flow channels, and both ends of the fluid flow channels are respectively provided with openings communicated with the interior and exterior of the housing. The metal anode and/or single cell housing is placed in a closed transitional housing. The transitional housing is a degradable material or can be mechanically damaged by a driving device driven and started by a control device.

Abstract: A modified solid electrolyte membrane is disclosed, and a preparation method therefor, and a lithium battery. The modified solid electrolyte membrane includes a base membrane and a solid electrolyte layer. The solid electrolyte layer is formed by a coating slurry, the basic membrane being coated by the coating slurry, or the basic membrane being coated by the coating slurry and the coating slurry even permeating into the basic membrane. The solid electrolyte layer is formed by a NASICON type solid electrolyte material and has a particle size smaller than 1 ?m.

Abstract: A pre-lithiated film and a preparation method therefor and an application thereof. The pre-lithiated film comprises: a 1 ?m-50 ?m base film and a 0.02 ?m-100 ?m pre-lithiated coating coated on the base film; the pre-lithiated coating includes: 1 wt %-99.99 wt % of a pre-lithiated material, 0 wt %-98.99 wt % of a coating material, 0.01 wt %-10 wt % of a binder, 0 wt %-10 wt % of a conductive additive material, 0 wt %-2 wt % of a dispersing agent and 0 wt %-2 wt % of an aid. The pre-lithiated material is a material that can produce an electrochemical reaction to release lithium ions under voltage control.

Abstract: A method for processing across neural networks includes: when processing a last block of a plurality of blocks of an i-th layer of a first neural network, reading data of a first block of a plurality of blocks of a k-th layer of a second neural network from a memory; and processing the first block of the plurality of blocks of the k-th layer of the second neural network according to the data of the first block of the plurality of blocks of the k-th layer of the second neural network after processing the last block of the plurality of blocks of the i-th layer of the first neural network. 1?i?N, N is a number of layers of the first neural network; and 1?k?M, M is a number of layers of the second neural network.

Abstract: A data fixed-point method, includes: calculating a maximum output value in a first target layer of a neural network for each input sample of a plurality of input samples; selecting at least two of a plurality of maximum output values as fixed-point reference values; determining a reference integer part bit width according to each of the fixed-point reference values; and performing an accuracy test based on a preset output value total bit width and each reference integer part bit width, to determine a reference integer part bit width with a highest accuracy as an integer part bit width used by the first target layer when output values are fixed-pointed.