Abstract: The present application discloses an optical receiving device, including: a receiving sensor; an optical assembly arranged on a side where a photosensitive surface of the receiving sensor is located. The optical assembly includes a first prism having a first end surface, a second end surface, and a plurality of sides connected between the first end surface and the second end surface. The plurality of sides include a first side and a second side. At least a portion of laser signals reflected by a detecting target is refracted by the first side and enter the first prism. At least a portion of laser signals refracted by the first side is refracted by the second side and emitted from the first prism to reach the receiving sensor.

Abstract: A data compression method is disclosed. The data compression method is applied to a flash memory device having a flash memory medium. The data compression method includes: reading at least two pieces of cold data in the flash memory medium; compressing the at least two pieces of cold data in the flash medium, so as to obtain at least two pieces of compressed data; splicing the at least two pieces of compressed data, so as to generate at least one write unit; and writing each of the at least one write unit into the flash memory medium.

Abstract: A flexible tracking bracket, comprising: columns (1), wherein multiple columns are spaced apart on a base surface; bases (2), provided on top of each column; rotating beams (3), pivotally arranged on the bases; flexible bearing bodies, comprising at least two bearing cables (41) each connected between two adjacent rotating beams, and used to support photovoltaic modules (13); driving devices (5), provided at each base. The driving device comprises a driving end, which is connected to a corresponding rotating beam. Multiple driving devices synchronously drive the corresponding rotating beams to rotate. The disclosure has a well-engineered configuration, a compact structure, and is easy to install or maintain, and is not prone to jamming. It also has a reverse self-locking function, which allows the flexible bracket to have an angle adjustment function, improving the power generation efficiency and profitability of photovoltaic power plants.

Abstract: A preparation method of a high-moisture-permeability fluorine-containing super-oleophobic microporous membrane is provided having the following steps: (1) preparing a white opaque mixture of fluorine-containing polymers: adding the materials in sequence according to a weight ratio of A50%˜90%:B3%˜25%:C0%˜35%:D0%˜3%, and stirring and mixing uniformly in a non-shear manner; A is a blend of a high molecular weight polytetrafluoroethylene dispersion resin and a fluorine-containing ion exchange resin; B is a fluorine-containing alkyl acrylate monomer, or a fluorine-containing alkyl methacrylate monomer, or a mixture thereof; C is a polyurethane acrylate prepolymer, or a fluorine-free alkyl acrylate monomer, or a mixture thereof; D is a high temperature free radical initiator; (2) pouring the white opaque mixture into the blank pressing column barrel, and pressing a blank; (3) calendering into strips; (4) stretching and thermally shaping to form a membrane.

Abstract: This application discloses an off-axis optical system and a LiDAR. The off-axis optical system includes a transmitting module, a receiving module, and a deflecting element. The transmitting module and the receiving module are arranged along a first direction perpendicular to the optical axis of the receiving module. The deflecting element is positioned on a light-incident side of the receiving module, with a gap existing along the first direction between the deflecting element and the optical axis of the receiving module. At least part of echo beams, which are formed by reflection of scanning beams emitted from the transmitting module off a target, are refracted by the deflecting element before reaching the receiving module.

Abstract: An anhydrous composition for caring for and/or making up keratin materials, which is liquid and comprises: a) at least one organopolysiloxane elastomer powder coated with a silicone resin; b) at least one organopolysiloxane elastomer conveyed in a first oil; c) at least two fillers including polymethylsilsesquioxane and calcium aluminum borosilicate; and d) at least one second oil, which is a volatile hydrocarbon oil, wherein the composition does not comprise a wax and comprises more than 15 wt % of fillers, relative to the total weight of the composition.

Abstract: A flexible photovoltaic bracket includes a number of upright columns, a number of cross beams, a load-bearing rope and a module fastener. The cross beam is correspondingly arranged on a top of the upright column. The load-bearing rope is fixedly connected to the cross beam and is extended between adjacent cross beams. The module fastener includes a pressing block, a fastening component and a clamping assembly. The pressing block and the fastening component are rotationally connected. A receiving cavity is formed between the pressing block and the fastening component for clamping and limiting the load-bearing rope. The pressing block includes a horizontal base plate portion and a hook portion configured to contact a photovoltaic module. The clamping assembly passes through the fastening component and the horizontal base plate portion, and is configured to be fixedly connected to a frame of the photovoltaic module.

Abstract: The present disclosure provides a method for processing storage medium failure, an apparatus, and a solid state disk thereof. The method includes: acquiring a failed storage medium; detecting a state of the failed storage medium in real time, where the state at least includes an idle state, an open state, and a closed state; and processing the failed storage medium in real time according to the state of the failed storage medium.

Abstract: The invention provides stable aqueous pharmaceutical formulations comprising an anti-PDL1 antibody. The invention also provides methods for making such formulations and methods of using such formulations.

Abstract: The present disclosure relates to a 3D integrated imaging device and a preparation method thereof. The 3D integrated imaging device includes a spacer layer, a three-dimensional structure layer, and a microlens array. The spacer layer has a preset thickness. The three-dimensional structure layer is disposed on a surface of a side of the spacer layer and includes a plurality of micro-nano structure units. The microlens array is arranged on a surface of a side of the spacer layer away from the three-dimensional structure layer and includes a plurality of microlenses. The plurality of micro-nano structure units correspond to the plurality of micro-lenses one by one. A front view pattern of the plurality of micro-nano structure units is a superposition of images formed by each layered image of a target stereoscopic image under the plurality of micro-lenses according to different depths of field after the target stereoscopic image is layered.

Abstract: A signal conflict detecting method, which comprises: (a) the signal transceiving device performing a first detecting operation to detect whether a signal conflict may occur in a target frequency band; (b) the signal transceiving device transmitting a target signal if the signal conflict will not occur in the target frequency band; (c) the signal transceiving device performing a second detecting operation to detect whether the signal conflict may occur in the target frequency band, after transmitting the target signal in the step (b); (d) the signal transceiving device performing a third detecting operation to detect whether the signal conflict may occur in the target frequency band, if the step (c) determines that the signal conflict may occur in the target frequency band; and (e) the signal transceiving device retransmitting the target signal if the step (d) determines that the signal conflict will not occur in the target frequency band.

Abstract: A method and a packet detector for detecting a target detection packet are provided. The method includes: utilizing a match filter of the packet detector to perform match filtering on an input signal based on a reference sequence in order to generate a match filtering output, where the reference sequence corresponds to the target detection packet; utilizing a post-calculation circuit of the packet detector to perform calculation on the match filtering output to generate a calculation result; utilizing a comparator of the packet detector to compare the calculation result with a predetermine threshold to generate a comparison result; and determining whether the input signal is the target detection packet or not according to the comparison result.

Abstract: Disclosed herein are dithiol-based polymers and cyclic compounds that can be formed therefrom. The cyclic compounds also can be used to regenerate recycled polymers. Methods for making native and recycled polymers are described herein, along with methods for using the compounds of the present disclosure to provide crosslinked “vitrimer”-like products.

Abstract: The present disclosure relates to a 3D integrated imaging device and a preparation method thereof. The 3D integrated imaging device includes a spacer layer, a three-dimensional structure layer, and a microlens array. The spacer layer has a preset thickness. The three-dimensional structure layer is disposed on a surface of a side of the spacer layer and includes a plurality of micro-nano structure units. The microlens array is arranged on a surface of a side of the spacer layer away from the three-dimensional structure layer and includes a plurality of microlenses. The plurality of micro-nano structure units correspond to the plurality of micro-lenses one by one. A front view pattern of the plurality of micro-nano structure units is a superposition of images formed by each layered image of a target stereoscopic image under the plurality of micro-lenses according to different depths of field after the target stereoscopic image is layered.

Abstract: Heat transfer fluids were formulated with a neat solution of a synthetic ester base stock. A base stock prepared with a neat ester according to the invention has similar performance characteristics to commercially available heat transfer fluids.

Abstract: A flexible photovoltaic bracket includes a fixing structure, a rope structure and a support frame. The rope structure includes a first assembly rope, a second assembly rope, a first stabilizing rope and a second stabilizing rope. The support frame includes an assembly rope support rod, a first side support rod, a second side support rod and a stabilizing rope support rod. Two ends of the assembly rope stay are connected to the first assembly rope and the second assembly rope. The first side support rod is connected to the first assembly rope and the first stabilizing rope. The second side support rod is connected to the second assembly rope and the second stabilizing rope. Two ends of the stabilizing rope support rod are connected to the first stabilizing rope and the second stabilizing rope. A flexible photovoltaic system is also disclosed.

Abstract: A flexible photovoltaic tracking bracket includes a number of basic structures, a number of beam structures, a driving device, a rope structure connecting adjacent beam structures, and a support frame. The rope structure includes assembly ropes and stabilizing ropes. The stabilizing ropes are located below the assembly ropes. The assembly ropes are configured to be fixedly connected to a photovoltaic module. The assembly ropes include a first assembly rope and a second assembly rope which are disposed along a left-right direction. The stabilizing ropes include a first stabilizing rope and a second stabilizing rope which are disposed along the left-right direction. The support frame is connected to the assembly ropes and the stabilizing ropes. The first stabilizing rope is in an arc shape that curves in an upper right direction, and/or, the second stabilizing rope is in an arc shape that curves in an upper left direction.

Abstract: A microwave sensing device includes: a generation circuit, for generating a microwave sensing packet according to a wireless communication protocol; a detecting circuit, for detecting whether a channel is idle; a transmitting circuit, coupled to the generation circuit and the detecting circuit, for transmitting the microwave sensing packet in response to the channel being idle; a receiving circuit, coupled to the detecting circuit, for receiving a received microwave sensing packet corresponding to the microwave sensing packet; and a processing circuit, coupled to the receiving circuit, for determining whether the received microwave sensing packet comprises an interference.

Abstract: A low-yield-ratio, easy-to-weld and weather-proof bridge steel and a manufacturing method therefor. The present invention comprises the following components in percentages by mass: C: 0.051-0.080%, Si: 0.20-0.50%, Mn: 1.20-1.50%, P?0.010%, S?0.003%, Cr: 0.30-0.60%, Ni: 0.20-0.50%, Cu: 0.20-0.50%, Mo: 0-0.20%, Nb: 0.02-0.06%, V: 0-0.070%, Ti: 0.005-0.025%, Al: 0.010-0.040%, CEV?0.46%, Pcm?0.20% and the balance of iron and inevitable impurities. The production method comprises the process steps of molten iron pretreatment, converter smelting, external refining, continuous casting, rolling, cooling, straightening and heat treatment, and the steel and the corresponding production process solve matching problems of technical indexes, such as high strength, low yield ratio, weather resistance and welding performance, of the bridge steel.

Abstract: Provided is a method for determining huff and puff fluid volumes in multi-scale spaces of shale oil reservoirs, including the following steps: rock sample pretreatment; porosity stress sensitivity testing; high pressure hg injection testing and nuclear magnetic resonance testing benchmarking; online nuclear magnetic resonance testing; data processing and analysis. Firstly, a changing law of multi-scale spaces of shale oil reservoirs with an effective stress is characterized through a pore stress sensitivity measurement and online nuclear magnetic resonance measurement combined experiment, and then the huff and puff fluid volumes of multi-scale spaces of shale oil reservoirs under a condition of a certain stimulated reservoir volume are calculated. A usage amount of a fracturing fluid for a fracturing horizontal well in the shale oil reservoir is determined from the perspective of giving full play to the imbibition replacement role of micro-nano pores.