Abstract: Disclosed is a safe hand-pulled vegetable chopper, which relates to the field of food processing tools. The vegetable chopper herein includes a cup body, a lid matched with the cup body, a puller cord driving member in the lid, and a blade assembly in the cup body and detachably connected with a driving end of the puller cord driving member, a circular skirt-like enclosure is provided from a bottom of the lid around an outer periphery of the blade assembly for shielding the blade assembly, the skirt-like enclosure is on an inner side of the cup body when the cup body engages the lid, and the blade assembly stays on the lid when the cup body and the lid are separated.

Abstract: Exemplary semiconductor processing methods may include providing a carbon-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be disposed within the processing region. The substrate may define one or more recessed features. The methods may include providing a second precursor to the processing region. The methods may include forming a plasma of the carbon-containing precursor and the second precursor in the processing region. Forming the plasma of the carbon-containing precursor and the second precursor may be performed at a plasma power of greater than or about 500 W. The methods may include depositing a carbon-containing material on the substrate. The carbon-containing material may extend within the one or more recessed features. The methods may include, subsequent depositing the carbon-containing material for a first period of time, applying a bias power while depositing the carbon-containing material for a second period of time.

Abstract: A battery module and a vehicle. The battery module includes: a unit battery; an end plate located at an end of the battery module along a length direction; and an output pole base including a mounting part and a matching part which are fixedly connected, where the matching part is made of metal material and is fixedly connected to the end plate to limit the freedom degree of movement of the output pole base relative to the end plate along the height direction, the width direction and the length direction. The plastic structure of the output pole base is added a matching part made of metal material therein and is fixedly connected to the end plate by the matching part.

Abstract: An immunoassay platform and methodology are described for discriminatively detecting target microorganism antibodies to a target antigen in a biological sample derived from a host animal, from among antibodies of cross-reactively-related microorganism(s) potentially present in the biological sample, by use of contemporaneous assays conducted with and without blocking antibodies exogenous to the host animal. Attenuation of detection reagent signal between the contemporaneous assays may be used to determine a target antigen previously infected or non-infected status of the host animal.

Abstract: Disclosed are methods, systems, and apparatus for object localization in video. A method includes obtaining a reference image of an object; generating, from the reference image, homographic adapted images showing the object at various locations with various orientations; determining interest points from the homographic adapted images; determining locations of an object center in the homographic adapted images relative to the interest points; obtaining a sample image of the object; identifying matched pairs of interest points, each matched pair including an interest point from the homographic adapted images and a matching interest point in the sample image; and determining a location of the object in the sample image based on the locations of the object center in the homographic adapted images relative to the matched pairs. The method includes generating a homography matrix; and projecting the reference image of the object to the sample image using the homography matrix.

Abstract: An open-ear earphone includes a housing, a chamber is provided inside the housing, a speaker is provided inside the chamber and divides the chamber into a front chamber and a rear chamber. The housing is provided with a first sound hole and a second sound hole. The front chamber is communicated to the outside through the first sound hole, and the rear chamber is communicated to the outside through the second sound hole. The rear chamber includes a first volume down chamber and a second volume down chamber communicated to the first volume down chamber, and the first volume down chamber is located between the speaker and the second volume down chamber. The sound wave in backward motion generated by the speaker is transmitted to the outside from the second sound hole after being reduced by the first volume down chamber and the second volume down chamber.

Abstract: A method for scenario triggering and interaction is disclosed. One or more camera devices (110) are used to monitor a target object (142) in a scene (140). A target object vector (143a) is generated from captured images of each camera device (110) to represent a line of sight from the camera device (110) to the target object (142). A target object position (129) in the scene (140) is then determined from an intersection of the target object vectors (143a). The target object position (129) is compared with a task triggering region (144) in the scene (140) to trigger a pre-determined task when the target object (142) is within or around the task triggering region (144). For example, the target object (142) may be a human user and augmented reality contents are presented to the human user when the human user is detected to be within or around the task triggering region (144).

Abstract: The disclosure provides an LED light source recognition method, device, apparatus, and medium based on deep learning, belonging to the field of indoor positioning and navigation technology. The method includes the following. In an LED lighting environment, a spline frame is obtained through a CMOS camera, in which the spline frame is an image having dark stripes. The spline frame is input to a target detection model, a dark stripe detection result output by the target detection model is obtained. The multiple rectangular boxes are preprocessed, and based on the predicted classification corresponding to each preprocessed rectangular box, an image feature encoding sequence of the spline frame is determined. The image feature encoding sequence is compared with a light source feature encoding sequence corresponding to each LED light source to determine the light source feature encoding sequence that best matches the spline frame.

Abstract: The present disclosure relates to an efficient biodegradable dust suppressant for an open-pit mine and a preparation method therefor. The dust suppressant includes the following components in percentage by weight: 2%-3.5% of gallic acid, 1.5%-2% of sodium alginate, 0.25%-2% of a surfactant, 0.5%-1% of an antifreeze liquid, and balance water. The preparation method includes the following steps: (1) preparing the gallic acid; (2) preparing the antifreeze liquid; (3) weighing the components in parts by weight; (4) mixing the gallic acid, water, sodium alginate and antifreeze liquid; (5) adding the surfactant; and (6) adding the balance water to prepare the efficient biodegradable dust suppressant for an open-pit mine. The present disclosure has the characteristics of low temperature resistance, high temperature resistance, bonding, wetting, coal dust consolidation and the like, is biodegradable, and does not cause secondary pollution.

Abstract: The present invention relates to a method and device for preparing an ultrathin metal lithium foil. With regard to the problems of lithium preparation processes in the prior art having a high lithium preparation reaction temperature, a low lithium recovery rate, low purity in collected lithium foils, a complicated process operation, etc., the present invention provides a method for preparing an ultrathin metal lithium foil, wherein firstly, a complex lithium salt is prepared, the complex lithium salt and a reducing agent are then subjected to a vacuum thermal reduction reaction so as to generate a metal vapor, the metal vapor is then subjected to vacuum distillation, and finally, vacuum evaporation is used to prepare the ultrathin metal lithium foil of the present invention.

Abstract: Methods of pre-conditioning and lubricating the rubbing surfaces of steel substrates are provided. The methods include a pre-conditioning step in which a hydrocarbon fluid having cycloalkane carboxylic acid additives dispersed therein is used to form a tribofilm on a rubbing surface of a device, following by replacing the pre-conditioning lubricant with a cycloalkane-carboxylic acid-free hydrocarbon lubricant for the regular operation of the device. The tribofilm formed during the pre-conditioning step provides long-term friction and wear reduction at the rubbing surfaces, even after it is replaced, and allows for the subsequent operation of the device without the need to change the composition of the regularly used lubricant.

Abstract: An optical module includes a shell, a circuit board, a base, a laser assembly and a silicon optical chip. The laser assembly and the silicon optical chip are located on the base. The laser assembly includes an upper box, conductive substrates, laser chips and a light transmitting member. The upper box and the base are combined to provide a cavity. The cavity has an opening and a slot. The laser chips are located on the conductive substrates which are at least partially located in the cavity. The light transmitting member is disposed between the upper box and the base, and is configured to enclose the opening. Light exit surfaces of the laser chips are parallel to a light incident surface of the light transmitting member, and the light incident surface and a light exit surface of the light transmitting member are not parallel.

Abstract: An intelligent-cleaning steam oven liner includes a liner body, a door, a heating system, and a spray system. The heating system is used for cooking food in the liner body, and after the food in the liner body is cooked, the spray system cleans an inner wall surface of the liner body. The door is in seal fit with the liner body, and the heating system and the spray system are arranged in the liner body. The heating system realizes the food steaming and roasting function of a steam oven, and after the food is cooked by the heating system, the spray system operates to clean the inner wall of the liner body to keep the liner body clean.

Abstract: Provided is a gene target region enrichment method and a kit. The method comprises (1) amplifying fragmented DNA comprising a target region by means of a specific probe so as to obtain a captured-extension product, wherein the specific probe comprises a sequence complementary to the target region of the fragmented DNA, and the 3? terminal nucleotide of the specific probe is modified to prevent a ligation reaction at the 3? terminal of the specific probe; and (2) linking the 3? terminal of the captured-extension product obtained in step (1) to linker DNA to obtain a ligation product.

Abstract: The present disclosure relates to novel pan-KRAS glutarimide-containing compounds with KRAS degradation activities, pharmaceutical compositions containing such compounds, and their use in prevention and treatment diseases and conditions.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The method for operating a user equipment (UE) in a wireless communication system is provided. The method includes detecting a synchronization signal block, performing downlink synchronization process according to the detected synchronization signal block, and determining time-frequency resources of an anchor subband; acquiring random access configuration information according to the time-frequency resources of the anchor subband, performing a random access process according to the random access configuration information, and completing uplink synchronization; and acquiring control information in a control channel band, and performing data communication with a base station in the data transmission band according to the control information.

Abstract: A control system for cell therapy and a control method therefor. The control system may comprise a cell processing module, an auxiliary connection module, and a cell culture module which are connected in sequence; and a processor which is in communication connection with the cell processing module, the auxiliary connection module and the cell culture module, wherein the processor controls the auxiliary connection module to temporarily store a cell solution of the cell processing module and to transfer the temporarily stored cell solution to the cell culture module.

Abstract: A thermal interface material including at least a diamond-containing filler; a silicone oil, as well as a plurality of additives.