Abstract: Disclosed is a complex device key position vibration characteristic parameter verification method, comprising following steps: 1) constructing a model of complex device parts; 2) establishing a complex device dynamic model in a simulation software; 3) in the advancing process of a physical complex device, obtaining connection modes and constraint relationships among parts; 4) pre-simulating a complex device model in a dynamic simulation software; 5) determining a vibration characteristic parameter of a complex device key position needing to be verified, and carrying out post-processing on the vibration characteristic parameter for different levels of pavement spectra and vehicle speeds; 6) using a neural network model, training a selected key position rigidity damping coefficient and the vibration characteristic parameter; 7) comparing and verifying the vibration characteristic parameter obtained in the simulation process of the complex device dynamic model with the vibration characteristic parameter obtained

Abstract: A composite material includes a porous foam, having a density of less than 1 g/cm3, with a polymer matrix including chitosan, chitin, or chitosan oligosaccharide, and a first laminate adhered to a first surface of the porous foam.

Abstract: Provided are a large-size diesel exhaust valve and a manufacturing method thereof, which relate to the technical field of manufacturing of large-size diesel exhaust valves for ships. The large-size diesel exhaust valve includes an exhaust valve disc portion made of a 3J40 alloy, and the large-size diesel exhaust valve has the following microstructure: there are ultra-fine grains with a grain size of 10 grade or more, ?-Cr lamellar phases are evenly distributed at grain boundaries of the ultra-fine grains, nickel-lean Cr—Al—Ce particle phases are evenly distributed in a matrix, a single lamella of the ?-Cr lamellar phases has a thickness of less than 140 nm, and the nickel-lean Cr—Al—Ce particle phases have a diameter of less than 10 ?m. The present application solves the technical problem of how to improve the comprehensive mechanical properties and the vibration-damping performance of a large-size diesel exhaust valve simultaneously.

Abstract: Provided are a large-size diesel exhaust valve and a manufacturing method thereof, which relate to the technical field of manufacturing of large-size diesel exhaust valves for ships. The large-size diesel exhaust valve includes an exhaust valve disc portion made of a 3J40 alloy, and the large-size diesel exhaust valve has the following microstructure: there are ultra-fine grains with a grain size of 10 grade or more, ?-Cr lamellar phases are evenly distributed at grain boundaries of the ultra-fine grains, nickel-lean Cr—Al—Ce particle phases are evenly distributed in a matrix, a single lamella of the ?-Cr lamellar phases has a thickness of less than 140 nm, and the nickel-lean Cr—Al—Ce particle phases have a diameter of less than 10 ?m. The present application solves the technical problem of how to improve the comprehensive mechanical properties and the vibration-damping performance of a large-size diesel exhaust valve simultaneously.

Abstract: The present disclosure relates to the technical field of microbial electrochemical technology, in particular to a graphene-magnetite conductive skeleton electrode, a preparation method and application thereof, and a method for treating petrochemical wastewater. In the present disclosure, the surface roughness of the graphite rod electrode can be increased by the conductive skeleton modified on the surface of the graphite rod electrode, which is beneficial to the enrichment of microorganisms. The increase in the load of microorganisms will mean the amount of electroactive microorganisms will also increase, which will further improve the electron transfer ability, and because the material of the modified layer is a conductive material, it is also more conducive to the transfer of electrons; at the same time, the conductive skeleton modified on the surface of graphite rod electrode can also further enhance the transmission distance of electrons because of the skeleton constructed.

Abstract: The present application provides a compound eye camera device comprising a plurality of ommatidia arranged in a column or a row, and each of the ommatidia comprises an optical element and corresponding photosensitive units; each of the ommatidium columns corresponds to at least one ommatidium-column visual plane, the at least one ommatidium-column visual plane passing through the optical center of each ommatidium in the ommatidium column and a position near the center of at least one photosensitive unit of each ommatidium; each photosensitive unit intersects at least one ommatidium-column visual plane, and sight line of each photosensitive unit passes through the center of the photosensitive unit and the optical center of the ommatidium where the photosensitive unit is located; and a processor is configured to generate images based on information received by the photosensitive units, and to process the images to obtain information regarding the photographed object.

Abstract: Systems and methods of the present disclosure include a fit-for-basin strategy to automate continuous learning for machine learning models to be integrated into web-based and cloud-based software.

Abstract: The present invention relates to the field of chemical synthesis. Specifically, the present invention relates to methods, materials, compositions, and devices for multiplexing chemical synthesis. In particular, the present invention provides novel methods, materials, compositions, and devices to synthesize plurality of chemical compounds, including but not limited to nucleic acids, peptides, saccharides, and phospholipids. Specifically, the present invention provides methods, materials, compositions, and devices to first form plurality of isolated wells on a solid substrate and then to carry out plurality of chemical reactions in the isolated wells, in parallel, and on the same substrate.

Abstract: The present invention provides a speed measurement method and apparatus using a plurality of cameras. The speed measurement method includes: S1: calibrating positions of the respective cameras in a camera group, which are on a mobile platform at fixed relative positions; S2: obtaining a sequence of synchronized images from the respective cameras in the camera group, and recording time stamps thereof; and S3: performing a registration on the images captured by the respective cameras in the camera group and, if a registration result of two of the images is greater than a first threshold, calculating a position transformation matrix for the two images, and then calculating a position transformation matrix for the mobile platform based on the positional relationships between the cameras that captured the two images, and finally calculating a speed information of the mobile platform based on the position transformation matrix and an interval between times when the two images were captured.

Abstract: Disclosed are compounds inhibiting ErbBs (e.g., EGFR or Her 2), especially mutant forms of ErbBs, and BTK, pharmaceutically acceptable salts, hydrates, solvates or stereoisomers thereof and pharmaceutical compositions comprising the compounds. The compound and the pharmaceutical composition can effectively treat ErbBs (especially mutant forms of ErbBs) or BTK associated diseases, including cancer.

Abstract: In a calibration method for a multi-degree-of-freedom movable vision system, a calibration template is placed in front of a camera component, each degree of freedom of movement of the camera component is rotated, several images including features of the calibration template are recorded using the camera component, position information of each degree of freedom of movement when the corresponding images are acquired is also recorded, and calibration results of the camera component and each degree of freedom of movement are calculated using a calculation component. The movable vision system comprises the camera component, the calculation component and a control component.

Abstract: A multi-sector data correction method for gamma imaging while drilling includes the steps of: (a) dividing each gamma imaging sector into a plurality of counting zones; (b) counting a number of valid counting pulses for each counting zone at a predetermined time interval during MWD; (c) constructing a plurality of measurement vectors based on a value of recording times of each counting zone; (d) establishing a correction matrix with a conditional number less than a set value through an optimization algorithm; and (e) calculating a gamma intensity of each measured sector with the plurality of measurement vectors and the correction matrix as constructed, so as to complete the correction on the measurement data of each measured sector for each predetermined time interval. This method eliminate problems such as rotational measurement distortion of the gamma imaging while drilling tool and improve the accuracy of calculating the formation dip angle.

Abstract: Disclosed are compounds inhibiting ErbBs (e.g., EGFR or Her 2), especially mutant forms of ErbBs, and BTK, pharmaceutically acceptable salts, hydrates, solvates or stereoisomers thereof and pharmaceutical compositions comprising the compounds. The compound and the pharmaceutical composition can effectively treat ErbBs (especially mutant forms of ErbBs) or BTK associated diseases, including cancer.

Abstract: There are provided compounds of Formula I, and pharmaceutically acceptable salts and esters thereof, and pharmaceutical compositions thereof, used for inhibition or modulation of the activity of cyclin dependent kinases (CDK) and/or glycogen synthase kinase-3 (GSK-3), for the treatment of disease states or conditions mediated by cyclin dependent kinases and/or glycogen synthase kinase-3, including cancers.

Abstract: The present disclosure provides a broadband dual-polarized solar cell antenna and an antenna array. The broadband dual-polarized solar cell antenna includes an antenna dipole layer, an isolation layer, a solar cell layer, and a ground that are arranged sequentially from top to bottom, where the antenna dipole layer is connected to the ground and a radio frequency (RF) coaxial connector through a metal feeding probe structure, the solar cell layer is placed on the ground, the isolation layer is located between the antenna dipole layer and the solar cell layer, and the isolation layer is made of a transparent material. The present disclosure is small in sunlight shielding and high in transparency, and has a broadband dual-polarized wide-angle scanning capability, which ensures performance of the antenna and power generation efficiency of the solar cell, and is highly applicable in engineering.

Abstract: A stereo calibration method for a movable vision system. The movable vision system involved in the method comprises at least two photography components, at least one calculation component, and at least one control component. The method comprises: placing a calibration template in front of photography components; rotating the photography components by degrees of freedom of motion; obtaining one or more groups of images including calibration template features, and obtaining corresponding position information at the degrees of freedom of motion when the images are obtained; obtaining, by means of calculation, a calibration result of the photography components and the degrees of freedom of motion, i.e.

Abstract: A method of treating or preventing an intracellular bacterial infection, comprising contacting the cell(s) which are infected with an antibacterial agent and a photosensitizing agent and irradiating the cell(s) with light of a wavelength effective to activate the photosensitizing agent, wherein the antibacterial agent is released into the cytosol of the cell(s) and kills, damages or prevents the replication of bacteria in said cell(s) is described. Related uses, and compositions, products and kits for the same are further described.

Abstract: The present disclosure novel pyrazine compounds targeting adenosine receptors (especially A1 and A2, particularly A2a). The present disclosure also relates to pharmaceutical compositions comprising one or more of the compounds as an active ingredient, and use of the compounds in the treatment of adenosine receptor (AR) associated diseases, for example cancer such as NSCLC, RCC, prostate cancer, and breast cancer.

Abstract: The invention relates to chemical compounds, or pharmaceutically acceptable salts thereof, of the formula (I) which possess BTK inhibitory activity and are accordingly useful in therapy and in methods of treatment of the human or animal body. The invention also relates to processes for the manufacture of said chemical compounds, to pharmaceutical compositions containing them, and to their use in the manufacture of medicaments for use in a therapeutic effect in a warm-blooded animal such as man.