Abstract: The present invention provides an analysis method for determining halogens in geological samples by ICP-MS. The method includes following steps: weighing a geological sample and ammonium bifluoride in a sample dissolving tank, tightening the sample dissolving tank, and shaking; then heating the sample dissolving tank in a drying oven, and setting a temperature of the drying oven as 200-220° C. and heating time as 1-2 hours; cooling the sample dissolving tank to room temperature so as to obtain a solid mixture after heating is ended, adding ammonium hydroxide into the solid mixture, centrifuging, removing a precipitate, and collecting the supernatant; adding an internal standard solution into the supernatant, and uniformly mixing; and optimizing the ICP-MS to an optimal state, testing content of chlorine in the supernatant under a condition of medium resolution m/?m=4000, and testing content of bromine and iodine in the supernatant under a condition of low resolution m/?m=300.

Abstract: Methods and compositions are provided for assessing, treating, and preventing diseases, especially cancer, using cancer-associated targets (CAT). Methods and compositions are also provided for determining or predicting the effectiveness of a treatment for these diseases or for selecting a treatment, using CAT. Methods and compositions are further provided for modulating cell function using CAT. Also provided are compositions that modulate CAT (e.g., antagonists or agonists), such as antibodies, proteins, small molecule compounds, and nucleic acid agents (e.g., RNAi and antisense agents), as well as pharmaceutical compositions thereof. Further provided are methods of screening for agents that modulate CAT, and agents identified by these screening methods.

Abstract: An adjustment device includes a body, an adjustment inner gear ring, and an adjustment shaft. The body has a cavity therein, has a first end provided with a first hole and a second hole, and has a peripheral wall provided with a third hole. The first hole, the second hole, and the third hole are connected with the cavity. The adjustment inner gear ring is fitted in the cavity, and has a peripheral wall provided with adjustment holes. The adjustment holes have different cross-sectional areas. A second end of the adjustment shaft has an adjustment gear and passes through the second hole into the cavity. The adjustment gear meshes with the adjustment inner gear ring. The adjustment shaft is rotatable to drive rotation of the adjustment inner gear ring so as to enable the third hole to be connected with the cavity through one of the adjustment holes.

Abstract: The present disclosure is related to systems and methods for monitoring a medical device. The medical device may include a tube configured to generate radiation rays and a detector configured to receive radiation rays emitted from the tube. The tube may include an anode target and a filament. The detector may include a plurality of detecting units. The method may include obtaining imaging data acquired by the detector via detecting radiation rays emitted from the tube. The method may also include determining a first feature parameter associated with the radiation rays based on the imaging data. The method may further include monitoring the medical device based on the first feature parameter associated with the radiation rays.

Abstract: A system and method for assisting with a math problem includes: acquiring an image including at least a first question of the math problem; identifying a first region in the image where the first question is located based on the image; identifying characters in the first region based on the first region so as to obtain the first question; determining a type of the first question based on the first question; if the type of the first question is a calculation question, generating a first answer and a step-by-step problem solving process of the calculation question; and displaying the first question and/or the first region, the first answer and the step-by-step problem solving process.

Abstract: Embodiments of the present disclosure disclose a vehicle step apparatus and a vehicle. The vehicle step apparatus includes a step, a retractable device, and a locking member. The step is movable between an extended position and a retracted position. The retractable device is connected to the step and configured to drive the step to move between the extended position and the retracted position. The locking member is configured to lock the step in the retracted position or to allow the step to move away from the retracted position towards the extended position.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: Methods and compositions for diagnosing and treating diseases, particularly cancer, associated with differential expression of cancer-associated targets (CAT) in disease cells compared to healthy cells are provided. Also provided are antagonists and agonists of CAT, and methods for screening agents that modulate CAT level or activity in vivo or in vitro.

Abstract: An antibody production process in mammalian cells in which engineered unpaired cysteine residues are post-translationally modified and capped with particular chemical entities, which capped antibodies are well suited to further site-specific conjugation steps to form antibody-drug conjugates (ADCs) or protein drug conjugates; ADCs produced using these capped antibodies including in particular ADCs formed by the selective reduction of the capped antibodies' cysteine residues, and ADCs formed using chemical handles such as aldehyde/azide/alkyne biorthogonal groups, which permit additional drug conjugation chemistry; and uncapped antibodies produced by cells in low cysteine, cysteine and glutathione media, and ADCs produced via direct conjugation to these uncapped antibodies.

Abstract: The present disclosure relates to a data backup method and device, and a method, device and computer program product for managing data backup. The method for data backup implemented at the computing device comprises: receiving a backup message indicating that data backup is to be performed, the backup message indicating at least one of the following: a virtual machine to be backed up, an operating computing device of the virtual machine to be backed up, and a virtual disk to be backed up; determining, based on the backup message, a block device for which data backup is to be performed, the block device corresponding to at least a part of the virtual disk to be backed up; and performing incremental backup on data in the block device.

Abstract: An annular seal comprising: a central section; a first seal interface extending from a first axial side of the central section; and a second seal interface extending from a second axial side of the central section, wherein the first and second seal interfaces each include less than three sealing lips, and wherein at least a portion of the central section is adapted to be spaced apart from a surface of a hardware in an installed state.

Abstract: The present disclosure is related to systems and methods for monitoring a medical device. The medical device may include a tube configured to generate radiation rays and a detector configured to receive radiation rays emitted from the tube. The tube may include an anode target and a filament. The detector may include a plurality of detecting units. The method may include obtaining imaging data acquired by the detector via detecting radiation rays emitted from the tube. The method may also include determining a first feature parameter associated with the radiation rays based on the imaging data. The method may further include monitoring the medical device based on the first feature parameter associated with the radiation rays.

Abstract: An antibody production process in mammalian cells in which engineered unpaired cysteine residues are post-translationally modified and capped with particular chemical entities, which capped antibodies are well suited to further site-specific conjugation steps to form antibody-drug conjugates (ADCs) or protein drug conjugates; ADCs produced using these capped antibodies including in particular ADCs formed by the selective reduction of the capped antibodies' cysteine residues, and ADCs formed using chemical handles such as aldehyde/azide/alkyne biorthogonal groups, which permit additional drug conjugation chemistry; and uncapped antibodies produced by cells in low cysteine, cysteine and glutathione media, and ADCs produced via direct conjugation to these uncapped antibodies.

Abstract: A method and an apparatus for generating an image are provided. A specific embodiment of the method comprises: acquiring a to-be-processed facial image, the image resolution of the to-be-processed facial image being lower than a preset first resolution threshold; and inputting the to-be-processed facial image into a pre-trained generativemodel to generate a processed facial image. The generative model updates a model parameter using a loss function in a training process, and the loss function is determined based on a probability of an image group being positive sample data, the image group composed of a facial sample image and a facial generative image. According to this embodiment, authenticity of the generated facial image is enhanced.

Abstract: An apparatus and a method for removing nitrogen and phosphorus from sewage by using sponge iron and activated sludge are disclosed herein. The apparatus comprises a raw tank, a pH adjusting tank, a primary SBBR reactor, a secondary SBBR reactor, an intermediate tank, and a discharge tank; by modification of sponge iron, preparation of composite filler, sludge inoculation and domestication, and sewage treatment, an effect of simultaneous denitrification and dephosphorization is achieved in one reactor using the combined action of sponge iron and activated sludge with high nitrogen and phosphorus removal efficiency.

Abstract: A method and a system for intelligent identification and correction of a question, which implements, through artificial intelligence, automatic identification of stems of various types of questions and contents of answering in test papers and auto-corrects the contents of answering. The technical solution is: to train a neural network model (e.g., CNN model) into a model for question type recognition based on numerous test paper samples in advance, and to use this trained model to detect the position of individual questions, the type corresponding to the question, the different components of the question (stem, answer, picture) in the test paper, and then to identify the printed font character information of the stem and the handwriting font character information of the answer part based on the recognition model, and finally to auto-correct based on the identified character information.

Abstract: The invention provides antibodies, and antigen-binding fragments thereof, that specifically bind to GDF15, as well as methods and uses for the antibodies.

Abstract: The present disclosure relate to a vehicle running board apparatus and a retractable device thereof. In some embodiments, a retractable device includes a running board holder and an arm assembly. The running board holder has a connecting portion, and the arm assembly is configured to drive the running board holder to move between an extended position and a retracted position. The arm assembly includes a first arm and a second arm. The first arm has a first end and a second end. The second end of the first arm is pivotally connected to the connecting portion of the running board holder. The second arm has a first end and a second end. The second end of the second arm is pivotally connected to the connecting portion of the running board holder. The second end of at least one of the first arm or the second arm straddles the connecting portion.

Abstract: A method for controlling STB game, a remote control system and a handheld electronic apparatus are provided. After the handheld electronic apparatus is connected to the STB, when a gamepad mode is enabled, a virtual gamepad interface is displayed through a touch display panel of the handheld electronic apparatus, so as to simulate an operation method of a real gamepad. When the screen capturing mode is enabled, a game image of the display is captured and displayed on the touch display panel of the handheld electronic apparatus, and a specific function set in the game image is controlled through the touch display panel.

Abstract: Disclosed are a gray scale voltage compensation method of a liquid crystal panel, a circuit for a liquid crystal panel and a liquid crystal panel including the circuit. The invention adjusts the common voltage and/or compensates the pixel voltage to minimize the afterimage of the whole liquid crystal panel under the premise of saving the cost of the liquid crystal panel and greatly improves the panel display performance.