Abstract: An electrical connector includes a housing having a base portion and a tongue portion, two rows of terminals having signal terminals and ground terminals, a grounding member, and a metal shell. The grounding member is formed by bending a metal plate to have two long plates with fingers in contact with corresponding ground terminals. The base body defines a mating face and an outer face. A positioning groove is formed between a first side plate and the outer wall face. The metal shell is provided with an inner plate of which the lower edge is cut into a specific shape to form a locking edge. The metal shell has an inner shell and an outer shell.

Abstract: Provided is a fully decoupled MEMS gyroscope, including a base, a sensing unit elastically connected to the base, and a driving unit coupled with the sensing unit and driving the sensing unit to move. The base includes a coupling anchor point located at a center of a rectangle and a coupling structure elastically connected to the coupling anchor point. The driving unit includes four driving members located at inner positions of four corners of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two of the avoiding intervals, two Y mass blocks symmetrically arranged in the other two of the avoiding intervals, four Z mass blocks elastically connected to the adjacent driving members and located at the four corners of the rectangle, and four Z detection decoupling members elastically connected to the adjacent Z mass blocks and elastically connected to each other around the rectangle.

Abstract: A three-axis MEMS gyroscope includes a substrate, a sensing unit connected with the substrate, and a driving unit driving the sensing unit to move. The substrate includes anchor point structures and coupling structures connected with the anchor point structures. The driving unit includes driving pieces. One ends of each of the driving pieces are elastically connected with an adjacent coupling structure. The sensing unit includes X and Y mass blocks and Z mass blocks. Each of the X and Y mass blocks is arranged in a corresponding avoiding space. The X and Y mass blocks are respectively connected with adjacent coupling structures to form a rectangular frame. The Z mass blocks are connected with the driving pieces and separately arranged on one side of each driving piece away from each anchor point structure. The three-axis MEMS gyroscope is differentially driven, which realizes differential detection and reduces quadrature error.

Abstract: The present disclosure relates to a method for efficiently compressing a dynamic 3D model sequence based on 4D fusion. In some embodiments, comprising: storing a 3D model of one frame of the dynamic 3D model sequence as a reference model; determining an initial correspondence between vertices of the reference model and a target model to align the reference model and the target model by optimizing an energy function of the reference model so as to obtain initialized fusion parameters, wherein the target model is a 3D model of remaining frames of the dynamic 3D model sequence; and determining the final fusion parameters for deforming the reference model into the target model by iteratively optimizing the initialized fusion parameters.

Abstract: A blockchain-based transaction system for a green certificate includes an audit node, a proxy node, and an off-chain node. The proxy node is used by a power producer and a purchaser; the audit node verifies qualification information of the power producer, and send a green certificate to the power producer; the off-chain node predicts a transaction price of a next transaction; when receiving sale information of the power producer and purchase information of the purchaser, the proxy node sends the sale information, a digital signature of the power producer, the purchase information, and a digital signature of the purchaser to the off-chain node; the off-chain node matches the sale information and the purchase information, and sends successfully matched transaction information to the proxy node; the proxy node sends the successfully matched transaction information to a transaction smart contract; and the transaction smart contract performs transaction processing.

Abstract: Methods, devices, and computer-readable storage media are disclosed. In an example method, segmentation of to-be-encoded information bits of a length N into respective quantities of different types of segments is performed. The different types of segments are among (b?a+1) types of segments that correspond to (b?a+1) different segment code lengths. The (b?a+1) types of segments comprise a minimum-length segment that has the minimum segment code length of 2{circumflex over (?)}a and a maximum-length segment that has the maximum segment code length of 2{circumflex over (?)}b. The respective quantities of the different types of segments are determined based on the length N and a code rate in an orderly manner, wherein the orderly manner comprises firstly determining a quantity of the maximum-length segments and lastly determining a quantity of the minimum-length segments. Polar code encoding is performed on the respective quantities of the different types of segments of the to-be-encoded information bits.

Abstract: The invention discloses a MEMS gyroscope, including a substrate, a first unit and a second unit, and the first unit and the second unit are relatively arranged on the substrate along the first direction. The first unit is connected to the second unit through a coupling spring, and the substrate is also provided with a driving electrode and a detection electrode. The first unit includes a first weight and a second weight. The second unit includes the third weight and the fourth weight set oppositely along the second direction. The second set of coupling structures are connected to the third weight and fourth weight. Compared with the prior art, the beneficial effect of the present invention is that the MEMS gyroscope adopts a symmetrical layout, which facilitates the realization of differential detection and improves the sensitivity.

Abstract: A light adjustment device includes a first substrate and a second substrate that are arranged opposite to each other, a light adjustment module, and an ultraviolet light blocking layer. The light adjustment module is located between the first substrate and the second substrate. The ultraviolet light blocking layer is located between the first substrate and the light adjustment module or located inside the light adjustment module. A refractive index of the ultraviolet light blocking layer is greater than a refractive index of the first substrate.

Abstract: An energy spectrum-dose measuring method and device is provided. The method includes: performing energy calibration on a spectrometer using a standard radiation source to obtain a conversion relation between a channel and an energy, where the conversion relation is represented by a calibration factor; measuring ray peaks of n radiation sources with different energies, and dividing energy of an obtained energy spectrum into n regions; performing spectrum collection on the n radiation sources according to the n regions to obtain n net energy spectra subjected to the energy calibration through the calibration factor; performing dose measurement on the n radiation sources sequentially to obtain n dose rates corresponding to the n net energy spectra; calculating a relationship between counting rates of the radiation sources in the n regions and corresponding dose rates; and calculating a full-spectrum dose rate according to a current dose rate of each region.

Abstract: The present disclosure provides a dimming glass and a method for manufacturing the dimming glass. The dimming glass includes: at least one dimming functional layer sandwiched between two glass substrates, where a plurality of conductive leads is connected to a bonding circuit board, and a sealant filled between sealant regions of the two glass substrates. Each conductive lead includes a connecting end, a protruding end and an extension segment. The connecting end is connected to the bonding circuit board, the protruding end extends out of an outer side of an edge of the glass substrate, at least a part of the extension segment extends in a first direction which is an extension direction of an edge of the bonding side of the dimming functional layer, and the extension segment is located in the sealant region and is secured through the sealant.

Abstract: Provided are various embodiments relating to variant asparaginase polypeptides with enhanced stability, pharmacodynamics, and/or reduced immunogenicity. The variant asparaginase polypeptides may be used as therapeutics in mammals, including human, canines, felines, and equines.

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: There is provided a light adjusting structure, a light adjusting module and a light adjusting device, the light adjusting structure includes one or two light adjusting functional layers stacked, each light adjusting functional layer includes functional sub-layers in different regions, first substrates and/or second substrates of the functional sub-layers constitute a full-layer planar substrate, one of first electrodes or second electrodes of the functional sub-layers are disposed at an interval, and the other one of the first electrodes or the second electrodes are disposed at an interval or constitute a full-layer planar electrode; dye liquid crystal layers of the functional sub-layers each include a sealant between the first alignment layer and the second alignment layer, and dye molecules and liquid crystal molecules in a space surrounded by the sealant; sealants of the functional sub-layers are disposed at an interval, and spaces surrounded by the sealants are isolated.

Abstract: A light-adjusting glass is provided to include: a first toughened glass layer, a first adhesive layer, a first substrate, a second substrate, a second adhesive layer, a second toughened glass layer and supporting spacers between the first and second substrates, which are sequentially stacked; materials of the first and second adhesive layers are melted under the conditions that a temperature is in a range of 130° C. to 150° C. and a pressure is in a range of 12 bar to 14 bar, and are solidified after being cooled; the light-adjusting glass further includes an edge sealing structure around the first and second substrates, and the edge sealing structure, the first and second substrates are enclosed to form a gap filled with a liquid crystal; the edge sealing structure includes a liquid crystal pouring port therein; a sealing glue is at an opening of the liquid crystal pouring port and seals the opening.

Abstract: The present disclosure provides a method for preparing an organic-inorganic nanocomposite particle dispersion, comprising: preparing a negatively charged organic-inorganic nanocomposite particle dispersion: adding positively charged inorganic nanoparticles to an anionic organic polymer solution, stirring thoroughly, dispersing uniformly, and obtaining a negatively charged organic-inorganic nanocomposite particle dispersion; preparing a positively charged organic-inorganic nanocomposite particle dispersion: adding a negatively charged organic polymer inorganic metal oxide composite dispersion to a cationic organic polymer solution, stirring thoroughly, and dispersing uniformly to obtain a positively charged organic polymer inorganic nanocomposite particle dispersion; repeating step (1) and (2) alternately to obtain a dispersion of negatively charged and positively charged organic-inorganic nanocomposites by adjusting the number of step (1) and (2), respectively.

Abstract: The present disclosure provides an adjustable dumbbell including a dumbbell body, dumbbell plates, and a dumbbell base for placing the dumbbell body and dumbbell plates. The dumbbell implements transmission in a mode of meshing internal gear rings with gear sets and meshing the gear sets with teeth on telescopic sleeves, such that a high transmission efficiency is achieved, a torque of a handle can be more efficiently converted and transmitted to the telescopic sleeves, the telescopic sleeves can make a faster response, and a weight adjustment speed of the dumbbell is increased. A structure used in the transmission mode has greater load-bearing capacity, has higher wear resistance than a structure in a nut and lead screw mode, and there will be no situation where the dumbbell cannot be used due to thread wear after long-term use.

Abstract: This application relates to time frequency synchronization-based positioning methods and apparatuses. In an example method, a first device completes time-frequency synchronization with a second device via a narrowband system, to obtain time-frequency synchronization information. The first device performs positioning between the first device and the second device via a wideband system when the first device determines, at a media access control (MAC) layer, that the time-frequency synchronization information reaches time-frequency precision associated with the wideband system. The first device exchanges a positioning result with the second device via the narrowband system.