Abstract: An underwater optical image enhancement method and system. The method calculates dynamic compensation factors by evaluating color attenuation degree of the underwater optical image, corrects a color of the underwater image by utilizing pixel distribution standard deviations between different color channels based on histogram distribution characteristics of image pixels; and based on the corrected image color after underwater image color correction, finally determines a background light estimation value by utilizing a block-indexing strategy through recursive iteration and gradual localization until a set threshold is met; and completes enhancement of the underwater image based on the obtained background light estimation value.

Abstract: Disclosed are an elastic member driven finger exoskeleton mechanism and a hand exoskeleton mechanism in the technical field of finger exoskeletons. The finger exoskeleton mechanism includes an elastic driving member disposed adjacent to a back of a hand, the elastic driving member being extendable and retractable and capable of flexion and extension movement; and a plurality of links. One end of each link forms a hand fixation pair with a finger segment or a palm, and the other end forms an elastic driving member fixation pair with an end portion of the elastic driving member and a composite kinematic pair with a non-end portion thereof. The elastic driving member has a bending working state and an extension working state. The mechanism can independently drive bending of a plurality of finger segments, and has advantages of better finger protection, stronger hand size compatibility, and multiple degrees of freedom.

Abstract: A semiconductor package comprises a lead frame, a chip, and a molding encapsulation. The lead frame comprises one or more die paddles and a plurality of leads. Each of the plurality of leads comprises a base member and a protrusion member. A width of an end surface of the protrusion member of each of the plurality of leads is less than 50% of a width of a corresponding base member so as to improve solderability. A method, for fabricating semiconductor packages, comprises the steps of providing a lead frame array, mounting a chip, forming a molding encapsulation, applying a cutting process or a punching process, applying a plating process, and applying a singulation process.

Abstract: Disclosed herein are IC structures with triple and/or quadruple cells of N-type and P-type transistors, and related methods and devices. An IC structure may include first, second, third, and fourth nanoribbons, and first, second, third, and fourth transistors having channel regions in portions of respective nanoribbons (e.g., channel region of the first transistor is in a portion of the first nanoribbon, channel region of the second transistor is in a portion of the second nanoribbon, etc.), where first and third transistors are P-type transistors and second and fourth transistors are N-type transistors, gates of these transistors are coupled to one another, a width of the portion of the third nanoribbon is more than two time larger than a width of the portion of the first nanoribbon, and a width of the second nanoribbon is more than two time larger than a width of the portion of the fourth nanoribbon.

Abstract: A train speed estimation device and method are disclosed. Vibration in a natural frequency band experienced by a train as it advances is sampled by means of first and second sensors at the same sampling frequency, to obtain a first set and a second set of sampling signals respectively; a first set and a second set of vibration signals are obtained on the basis of the first set and second set of sampling signals respectively, and the first set and second set of vibration signals are subjected to cross-correlation analysis, to obtain a target sampling difference; and a train speed is calculated on the basis of the target sampling difference. The train speed estimation device and method according to the present disclosure can precisely monitor the real-time train speed without relying on any speed sensor or GNSS.

Abstract: This invention relates to modified adenovirus-associated virus (AAV) capsid proteins with enhanced transduction efficiency and enhanced ability to evade neutralizing antibodies, AAV vectors comprising the same, and methods of using the same for delivery of nucleic acids to a cell of a joint or a joint of a subject.

Abstract: An antibody-drug conjugate containing a side chain of a functional small molecule for enhancement of targeted treatment of cancers and refractory diseases is provided. The preparation of such conjugate, pharmaceutical compositions, and methods in treatment of refractory diseases are also provided.

Abstract: A communication apparatus includes a multiplexer and a plurality of antenna structures. The multiplexer includes a common terminal and a plurality of selection terminals. The common terminal of the multiplexer is configured to switchably connect to different selection terminals of the plurality of selection terminals to form a plurality of paths. The plurality of antenna structures include a phased array antenna. The plurality of selection terminals include a first selection terminal. The phased array antenna is coupled to the first selection terminal.

Abstract: The present invention relates to the technical field of medical rehabilitation and discloses a three-degree-of-freedom wearable upper limb rehabilitation exoskeleton mechanism, including: a shoulder joint mechanism and an elbow joint mechanism. Two ends of the shoulder joint mechanism are fastened to a human shoulder and a human upper arm, respectively, and the shoulder joint mechanism is configured to drive the human upper arm to implement flexion, extension, abduction, and adduction movements. Two ends of the elbow joint mechanism are fastened to the human upper arm and a human forearm, respectively, and the elbow joint mechanism is configured to drive the human forearm to implement flexion and extension movements.

Abstract: The present disclosure relates to the field of finger rehabilitation and provides a nested elastic member-driven finger rehabilitation device and hand rehabilitation device. The nested elastic member-driven finger rehabilitation device includes: an elastic driving member disposed on one side close to the back of a hand and capable of telescopic and flexion-extension movements, a palm connection assembly configured to be connected to a palm and the elastic driving member, and a finger joint connection assembly configured to be connected to a finger joint and the elastic driving member, where the elastic driving member has the following working states: a bending state and an extension state. In the bending state, the elastic driving member extends and bends toward the palm. In the extension state, the elastic driving member retracts and extends away from the palm.

Abstract: The present invention relates to novel linkers containing a 2,3-disubstituted succinic group, or 2-monosubstituted, or 2,3-disubstituted fumaric or maleic (trans (E)- or cis (Z)-butenedioic), or acetylenedicarboxyl group for conjugation of a cytotoxic agent, and/or one or more different functional molecules per linker to a cell-binding molecule, through bridge linking pairs of thiols on the cell-binding molecule specifically. The invention also relates to methods of making such linkers, and of using such linkers in making homogeneous conjugates, as well as of application of the conjugates in treatment of cancers, infections and autoimmune disorders.

Abstract: The present disclosure provides methods, systems, devices, and media for data processing. The method may include obtaining information of one or more hard disks of each of one or more data nodes, the information of the one or more hard disks at least including type information, capacity information, and location information of each of the one or more hard disks; determining, based on a data processing instruction and the information of the one or more hard disks, target information of a target hard disk among the one or more hard disks; and transmitting the data processing instruction including the target information of the target hard disk to a target data node corresponding to the target hard disk.

Abstract: Embodiment herein relate to logic gates. An example of a logic gate includes a semiconductor material, source regions having a first width, drain regions having a second width that is different than the first width, transistor gates, and electrical contacts coupled to the source regions and the drain regions.

Abstract: A second AP receives a first frame from a first AP, where the first frame includes first indication information and second indication information, the first indication information indicates whether the first AP allows another AP to perform data transmission simultaneously with the first AP, the second indication information indicates a first bandwidth, and the first bandwidth is used by the first AP to receive a first acknowledgment frame; and when the first AP separately sends data to at least one first STA, the second AP separately sends data to K second STAs, where K is a positive integer. The second AP receives a second acknowledgment frame by using a bandwidth other than the first bandwidth.

Abstract: A method of wireless communication at a first network node, comprising: providing a request for an energy cost associated with one or more attributes of a second network node, wherein the request indicates the one or more attributes, and wherein the one or more attributes include one or more of a beam, a group of beams, a coverage state for one or more beams or cells, a cell activation, a cell deactivation, a beam activation, a beam deactivation, a beam reconfiguration, a cell reconfiguration, a power reconfiguration, a periodicity, a system information activation, a system information deactivation, a synchronization signal block (SSB) activation, an SSB deactivation, discontinuous transmission (DTX), discontinuous reception (DRX), a random access configuration, a paging configuration, or a group handover of multiple UEs and receiving a response indicating energy cost information of the second network node associated with the one or more attributes indicated in the request.

Abstract: The disclosure is directed to an antibody and an antibody-drug conjugate (ADC) including a monoclonal antibody, or an antigen-binding fragment thereof, conjugated to a cytotoxin, directed against B-cell maturation antigen (BCMA). The BCMA antibody and its ADCs are useful for treatment of multiple myeloma cells, B-cell mediated or plasma cell mediated disease, and immune disorders as well as for detecting BCMA. Further disclosed are pharmaceutical compositions and medical treatment methods.

Abstract: Provided herein is a process for preparing a homogeneous conjugate of an antibody or antibody-like protein via linkage of cysteine sites between heavy-light chains in the IgG antibody or antibody-like protein. It also relates to method of making the conjugates in a specific manner including either generation of specific thiols of an antibody or antibody-like protein agent, followed by reaction with drug/linker complexes, or generation of specific thiols of an antibody or antibody-like protein agent and conjugation of a synthetic linker-drug assembly with the thiols simultaneously in one pot reaction, to provide conjugates with over 75%, in most cases more than 80% of payloads linked at the specific cysteine sites between heavy-light chains of the IgG antibody or antibody-like protein. It also relates to methods of using the homogeneous conjugate in targeted prophylaxis or treatment of cancer, infection and immunological disorders.

Abstract: A communication method includes receiving a Wi-Fi data frame from a transmitter; obtaining interference information of the Wi-Fi data frame, where the interference information comprises a proportion of interfered orthogonal frequency-division multiplexing (OFDM) symbols or a first quantity of interfered medium access control (MAC) protocol data units (MPDUs); and sending the block acknowledgment frame to the transmitter, where the block acknowledgment frame includes interference information.

Abstract: Dynamic coverage optimization for network energy savings is described. An apparatus is configured to receive or retrieve first information indicative of a coverage region. The coverage region has a common definition common for both the first network device and a set of second network devices that is independent of cells, beams, and/or SSBs of the network devices. The apparatus is also configured to provide, to the set of second network devices, second information associated with a coverage state for the coverage region having the common definition.

Abstract: A bioactive peptide PCT-1, and preparation method and application thereof are provided. The amino acid sequence of the bioactive peptide PCT-1 is LNRTFE, as shown in SEQ ID NO: 1, and the bioactive peptide PCT-1 has antioxidant and intestinal flora-regulating functions. Extracted from spirulina protein peptides, the bioactive peptide PCT-1 can significantly increase the activities of SOD and GSH-Px in serum, and significantly reduce the content of MDA in serum; its in vivo antioxidant activity is comparable to that of the positive control Trolox. Meanwhile, compared with the blank control group, the bioactive peptide PCT-1 can also reduce the ?-diversity index of intestinal flora, change the overall structure of intestinal flora, regulate the abundance of intestinal flora at various taxonomic levels, and significantly increase the contents of acetic acid and butyric acid. Therefore, the bioactive peptide PCT-1 can be applied in functional foods for antioxidation and intestinal flora regulation.