Abstract: Provided herein are KRN2 gene controlling kernel row number in plant, molecular markers closely linked to KRN2 and their application in molecular breeding.

Abstract: The present disclosure relates to a surgical robot and a method of controlling the surgical robot. The method may include obtaining pose information of an end tool and providing first feedback information to an operator based on the pose information.

Abstract: An embodiment of this application provides a method and apparatus for testing control software, and a computer-readable storage medium to reduce the time consumed in the simulation-based debugging and enhance efficiency. The method may include obtaining test information of a plurality of fault signals; and injecting, based on the test information of the plurality of fault signals, the plurality of fault signals into a simulation environment in sequence to obtain test results of the plurality of fault signals handled by the control software, where the simulation environment may be a simulation environment of a control object of the control software.

Abstract: An anti-FGFR2 antibody, an encoding nucleic acid of the antibody, a vector and host cell for the expression and production thereof, an antibody-drug conjugate, and a pharmaceutical composition comprising the antibody. The present invention further relates to the use of the antibody molecule in a drug for diagnosing a cancer caused by FGFR2-pathway-related dysregulation, and the use of the antibody or antibody-drug conjugate in the preparation of a medicament for treating a cancer caused by FGFR2-pathway-related dysregulation, in particular gastric cancer.

Abstract: The present invention relates to a Si-containing high-strength and low-modulus medical titanium alloy, and an additive manufacturing method and use thereof. The additive manufacturing method comprises alloy ingredient design, powder preparation, model construction and substrate preheating, and additive manufacturing molding; wherein the Si-containing high-strength and low-modulus medical titanium alloy is designed in the ingredient proportion of Ti 60-70 at. %, Nb 16-24 at. %, Zr 4-14 at. %, Ta 1-8 at. %, Si 0.1-5 at. %.

Abstract: Composite particles of the present invention include alumina particles and an inorganic coating disposed on a surface of the alumina particles, the alumina particles containing molybdenum (Mo), the inorganic coating including a composite metal oxide.

Abstract: An in vitro analysis diagnostic instrument, and a microfluidic chip and method for sorting and enriching circulating tumor cells. The microfluidic chip includes a functional board. A first side face of the functional board is provided with a primary sorting channel in communication with a sample inlet and a fine screening channel in communication with the primary sorting channel, and a deepened channel is dug on the side of the fine screening channel away from the aggregation of circulating tumor cells. The deepened channel is arranged in an extension direction of the fine screening channel, and the deepened channel has a depth greater than that of the fine screening channel.

Abstract: An apparatus, a method, and a storage medium for database pagination. The apparatus, method, and storage medium are configured to perform following processes, including: acquiring a pagination request from a user; determining a query parameter based on the pagination request; determining a corresponding pagination pattern and a request data amount based on the query parameter; determining a target query mode based on the request data amount; generating a query task based on the pagination pattern and the target query mode; obtaining at least one first query result based on the query task; determining a target result set based on the at least one first query result; and paging the target result set based on the pagination pattern and the target query mode to obtain multiple pages of pagination data.

Abstract: The present invention discloses a Fe—Al-based metal porous membrane and a preparation method thereof, which relate to the technical field of industrial gas-solid and liquid-solid separation and purification, and mainly address problems in the prior art, such as cracking-prone and peeling of a membrane layer of an existing Fe—Al-based metal porous membrane during its preparation and use. The preparation method of the present invention comprises the steps of: adding a Fe—Al-based metal powder and a metal fiber powder into an organic-additive-added water-based solvent, and mixing them into a slurry; casting the slurry, through a casting machine, to form a membrane green body on a metal substrate layer, and letting it dry; and placing the dried membrane green body in a sintering furnace, to remove organic substances and perform high-temperature sintering and predetermined-temperature reaction synthesis.

Abstract: The present invention discloses a method for welding Fe—Al intermetallic compound microporous material and a welded part made thereby, and the present invention relates to the field of welding technology. For the problem in the prior art that there is great difficulty in welding between Fe—Al microporous material and dense stainless steel, the method for welding Fe—Al intermetallic compound microporous material, in accordance with the present invention, comprises the following steps: turning on “welding torch fuel-gas” of a fusion-welding machine, and turning on welding shielding gas in a shield; adjusting welding parameters of the welding machine and parameter of the welding shielding gas in the shield for a fusion welding process; switching on the welding machine, and using welding wire as welding filler for welding Fe—Al intermetallic compound microporous material to dense stainless steel; and, cooling after completion of the welding.

Abstract: The present application provides an access traffic limiting method and apparatus, a device, a storage medium, and a computer program product. The method includes: when detecting that the number of access requests transmitted by a plurality of terminal devices to an access interface exceeds a first preset value, intercepting for each individual terminal device, outside the access interface, a target access request transmitted by the terminal device; determining the number of times that the target access request is received within a preset time period; and transmitting the target access request to the access interface if the number of times is greater than a second preset value. According to the present application, the success rate of interface accessing by a user can be improved.

Abstract: A brain tumor types distinguish system includes an image outputting device and a server computing device. The image outputting device outputs at least three brain images captured from the position of a brain tumor. The server computing device pre-stores a plurality of distinguish pathways corresponding to different types of brain tumors. The server computing device includes an image receiving module, an image pre-processing module, a data comparison module and a distinguish module. The image receiving module receives the brain images. The image pre-processing module pre-processes the brain images to obtain corresponding processed images thereof. The data comparison module compares the brain images and the processed images with the distinguish pathways to obtain at least three comparison results. The distinguish module statistically analyzes the comparison results to obtain a distinguish result.

Abstract: The present application relates to a salt formed from a compound of formula (I) with an acid: wherein the acid is selected from hydrochloric acid, methanesulfonic acid, benzenesulfonic acid, ethanesulfonic acid, maleic acid, hydrobromic acid, citric acid, L-tartaric acid, and p-toluenesulfonic acid. The present application also relates to a method for treating non-small cell lung cancer (NSCLC) with EGFR exon 20 insertion mutation using the salt.

Abstract: The present invention discloses a Fe—Al intermetallic compound filter element and a preparation method thereof, which relates to the field of powder metallurgy and filtration technology. In view of the drawback in the prior art that using a fiber felt as a filtration layer reduces stability and reliability of a filter, the present invention provides an Fe—Al intermetallic compound filter element, which comprises: at least two filter-element parts, and a rebar connecting the at least two filter-element parts transversely by means of welding, wherein, the filter-element parts each comprises at least two segments of Fe—Al intermetallic compound filter-element powder tube and a connector connecting the at least two segments of Fe—Al intermetallic compound filter-element powder tube end-to-end by means of welding; and wherein, the at least two segments of Fe—Al intermetallic compound filter-element powder tube each comprises a substrate framework and a surface filtration membrane.

Abstract: The present disclosure provides a preparation method of a Kaixinsan powder, including the following steps: pulverizing Radix Polygalae, Rhizoma Acori Graminei, ginseng, and Poria into a fine powder separately; and mixing each fine powder evenly in sequence according to a backing register method to obtain the Kaixinsan powder; where in the Kaixinsan powder, the fine powders each are required to pass through an 80-mesh sieve, and at least 95 wt% of each of the fine powders passes through a 100-mesh sieve. In the present disclosure, the fine powder of each medicinal material is capable of being mixed evenly, and has desirable dissolution effect and stability; and the Kaixinsan powder meets requirements for traditional Chinese medicine powders stipulated in Chinese Pharmacopoeia 2020 edition.

Abstract: The present disclosure provides a method of making a semiconductor device. The method includes forming a semiconductor stack on a substrate, wherein the semiconductor stack includes first semiconductor layers of a first semiconductor material and second semiconductor layers of a second semiconductor material alternatively stacked on the substrate; patterning the semiconductor stack and the substrate to form a trench and an active region being adjacent the trench; epitaxially growing a liner of the first semiconductor material on sidewalls of the trench and sidewalls of the active region; forming an isolation feature in the trench; performing a rapid thermal nitridation process, thereby converting the liner into a silicon nitride layer; and forming a cladding layer of the second semiconductor material over the silicon nitride layer.

Abstract: The present application provides a method and a device for estimating background motion of infrared image sequences and a storage medium. The method comprises: determining regions to be matched according to the maximum displacement of two adjacent frames of images in background motion, dividing the region to be matched into T sub-regions, and generating M groups of sub-window sets in the sub-regions randomly, and computing the background motion displacement corresponding to these sub-window sets by synchronous mutual information matching, then calculating the background motion displacement between two adjacent frames of images by a potential function voting method according to the background motion displacement corresponding to these sub-window sets. The method in the present application is based on image block matching, and does not depend on feature point extraction, so it has high robustness for background motion estimation of infrared image sequences with few feature points and noise interference.

Abstract: The present invention discloses a method for welding Fe—Al intermetallic compound microporous material and a welded part made thereby, and the present invention relates to the field of welding technology. For the problem in the prior art that there is great difficulty in welding between Fe—Al microporous material and dense stainless steel, the method for welding Fe—Al intermetallic compound microporous material, in accordance with the present invention, comprises the following steps: turning on “welding torch fuel-gas” of a fusion-welding machine, and turning on welding shielding gas in a shield; adjusting welding parameters of the welding machine and parameter of the welding shielding gas in the shield for a fusion welding process; switching on the welding machine, and using welding wire as welding filler for welding Fe—Al intermetallic compound microporous material to dense stainless steel; and, cooling after completion of the welding.

Abstract: Disclosed are a video watermark identification method and apparatus, device, and a storage medium. The method includes: each video frame of multiple video frames of a video is divided into multiple image blocks to obtain an image sequence corresponding to the each video frame; multiple image sequences corresponding to the multiple video frames are input to a target detection model to obtain a classification result of each image block, and a feature vector of the video is obtained according to all classification results of the multiple image blocks; and the feature vector of the video is input to a watermark identification model to obtain a watermark identification probability output by the watermark identification model, and the video containing a watermark is determining in a case where the watermark identification probability is greater than or equal to a probability threshold.

Abstract: The present invention discloses a Fe—Al-based metal membrane and preparation method thereof, which relate to the technical field concerning gas-solid separation under high-temperature, low-pressure working conditions, and mainly address the defects of conventional metal filter elements in the prior art such as high filtration resistance and low flux under low-pressure working environments. The preparation method of the present invention comprises the steps of: stirring and defoaming a mixture composed of a Fe—Al-based metal powder and an organic-additive-added water-based solvent, thus obtaining a cast slurry; casting a uniform membrane layer on a metal substrate layer having a required thickness on a casting machine, and performing drying treatment on it, thus obtaining a membrane green body; and, placing the dried membrane green body in a sintering furnace for degreasing, sintering, and alloy phase ordering treatments, respectively, thus obtain a prepared Fe—Al-based metal membrane.