Abstract: Embodiments include technologies to apply at least one machine learning model to features of a search query, features of a searcher user, features of a searchee content item, and features of a searchee user, produce a first outcome prediction that represents a probability of a first objective relating to engagement of the searcher user with a content item in an online system and a second outcome prediction that represents a probability of a second objective relating to engagement of the searchee user with the online system responsive to the engagement of the searcher user with the content item, apply a multi-objective optimization solver to the first objective, the second objective and an outcome prediction that is a combination of the first outcome prediction and the second outcome prediction, and generate a serving function for a search engine based on the first objective, the second objective, and the outcome prediction.

Abstract: The invention discloses an effusion cell with a retractable crucible for molecular beam epitaxy, comprising a crucible bracket, a mounting flange, a heat shielding cylinderarranged on an upper side of the mounting flange, a gate valvearranged on a lower side of the mounting flange, an outer cylinderarranged on a lower side of the gate valveand a driving devicefor driving the crucible bracketto move between the heat shielding cylinderand the outer cylinder, the heat shielding cylinderis internally provided with a heater, the outer cylinder driving deviceis hermetically connected to the outer cylinder.

Abstract: A method including transcutaneously measuring motility patterns, in the colon of a recipient of an implantable neuromodulator, responsive to an electrical stimulus delivered by the implantable neuromodulator, and programming the implantable neuromodulator responsive to the measured motility patterns, wherein the method comprises adjusting at least one parameter of the implantable neuromodulator that defines the electrical stimulus that the implantable neuromodulator is configured to deliver to the recipient.

Abstract: A method for forwarding a vector packet processing (VPP) is applicable to a forwarding path. The forwarding path includes an Ethernet entrance, a data plane development kit (DPDK) input end, an entrance labeling-and-categorizing plug-in unit, one or more intermediate nodes, a Tx output end, an exit labeling-and-categorizing plug-in unit, and an Ethernet exit. The vector packet processing forwarding method includes: executing a learning-and-recording mode for a preceding packet to obtain a learning result, and in the learning-and-recording mode, having the preceding packet entirely pass through the forwarding path; and executing an optimized acceleration mode for a subsequent packet, and in the optimized acceleration mode, based on the learning result, having the subsequent packet detour some intermediate nodes of the one or more intermediate nodes in the forwarding path.

Abstract: A method for selectively chemically reducing CO2 to form CO includes providing a catalyst, and contacting H2 and CO2 with the catalyst to chemically reduce CO2 to form CO. The catalyst includes a metal oxide having a chemical formula of FexCoyMn(1-x-y)Oz, in which 0.7?x?0.95, 0.01?y?0.25, and z is an oxidation coordination number.

Abstract: The present invention provides a method of implementing an ARM64-bit floating point emulator on a Linux system, which includes: running an ARM64-bit instruction on the Linux system; applying an instruction classifier to a first feature code of a machine code indicated by the ARM64-bit instruction to determine whether the ARM64-bit instruction is an ARM64-bit floating point instruction; and, if the ARM64-bit instruction is an ARM64-bit floating point instruction, applying the instruction classifier to a second feature code of the machine code indicated by the ARM64-bit instruction to determine the ARM64-bit floating instruction to be a specific ARM64-bit floating instruction.

Abstract: The present disclosure provides a light source system and a projection device. The light source system includes: a laser light source, a supplementary light source, a wavelength conversion device and an imaging subsystem. The laser light source is configured to emit laser light. The supplementary light source is configured to emit supplementary light. The wavelength conversion device is configured to convert the laser light into excited light and output first light including the excited light and the laser light. The imaging subsystem is configured to form a first light imaging beam, a supplementary light imaging beam, and a mixed light imaging beam; the imaging subsystem includes a light combining device and a reflective assembly, the light combining device is placed at an intersection of the first light imaging beam and the supplementary light imaging beam, and the reflective assembly is placed between the wavelength conversion device and the light combining device.

Abstract: A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO2), the shell includes zirconium dioxide (ZrO2), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

Abstract: A light source device, includes an excitation light source for generating excitation light, a light condensing device, and a fluorescent cavity. The fluorescent cavity includes a chamber and a fluorescent layer, the chamber having a light window for allowing light to enter and exit and a bottom wall opposite to the light window. The fluorescent layer is provided on the surface of the bottom wall. The excitation light is concentrated by the light condensing device, and then is incident from the light window to the surface of the fluorescent layer to form a light spot and excite the fluorescent layer to generate a laser. The area of the light window is smaller than the area of the light spot, and the laser can be emitted from the light window.

Abstract: An electrode patch 100 for monitoring electrical activity generated by a subject is disclosed. The electrode patch comprises a plurality of spatially arranged electrodes 102 for contacting an outer surface of a skin of the subject to sense and measure electrical potentials at multiple electrodes 102. The electrode patch 100 further comprises at least one connector portion 104 for connecting to a connector of a connector device. The connector portion 104 is spaced apart from the electrodes 102 and is electrically connected with the electrodes 102. A connector device for connecting to such electrode patch is also disclosed.

Abstract: A light source device, includes an excitation light source for generating excitation light, a light condensing device, and a fluorescent cavity. The fluorescent cavity includes a chamber and a fluorescent layer, the chamber having a light window for allowing light to enter and exit and a bottom wall opposite to the light window. The fluorescent layer is provided on the surface of the bottom wall. The excitation light is concentrated by the light condensing device, and then is incident from the light window to the surface of the fluorescent layer to form a light spot and excite the fluorescent layer to generate a laser. The area of the light window is smaller than the area of the light spot, and the laser can be emitted from the light window.

Abstract: A negative electrode plate includes a current collector and an active layer. The active layer includes a porous carbon framework and includes silicon nanoparticles and lithium metal that are located in the porous carbon framework. Embodiments of this application reduce the volume change of the negative electrode plate during cycles, suppress growth of lithium dendrites, improve safety of the lithium-ion battery, and achieve a higher energy density of the battery that contains the negative electrode plate.

Abstract: The present disclosure provides a video jitter detection method and an apparatus. The video jitter detection method includes: acquiring a video; inputting the video into a detection model to obtain an evaluation value of the video, where the evaluation value is used to indicate a degree of jitter of the video; where the detection model is a model obtained by training using video samples in a video sample set as inputs and evaluation values of the video samples in the video sample set as outputs. By inputting the video to be detected into the detection model, the evaluation value of the video can be acquired through the detection model, thereby whether the video is jittery is determined, which realizes the video jitter detection end-to-end, and improves the detection accuracy and robustness of video jitter.

Abstract: Described are compounds of the structure R4-a—Si-((Sp-Y)—Zb)a, wherein “a” is an integer from 1 to 3; “b” is an integer from 0 to (3×a); “Z,” which is absent when “b”=0, is halogen, C1-6 linear or branched alkyl, alkenyl, or alkynyl, C1-6 linear or branched halo-alkyl, halo-alkenyl, or halo-alkynyl, or wherein each “R” is halogen, C1-6 linear or branched alkyl, alkenyl, or alkynyl or C1-6 linear or branched halo-alkyl, halo-alkenyl, or halo-alkynyl; each “Sp” C1-15 linear or branched alkylenyl or C1-15 linear or branched halo-alkylenyl; and each “Y” an organic polar group. Also described are electrolyte compositions containing one or more of these compounds.

Abstract: An MBE system is disclosed for eliminating the excess flux in an MBE growth chamber before growth, during growth or growth interruption, and/or after growth by evaporating getter material from an effusion evaporator to the cold panel. The cold panel can be the cryopanel of the MBE growth chamber or a cold panel in an attached chamber. Said MBE system includes the cyropanel in the MBE growth chamber or a cold panel in the chamber attached to the MBE growth chamber. With a proper process such as cooling the cold panel, loading a substrate for the MBE process, providing necessary flux for the MBE growth, heating the effusion evaporator and opening the shutter for the evaporator to get the getter material flux onto the said panel, the excess flux will be eliminated. The cross contamination of the grown layer is then avoided.

Abstract: Provided herein are hyaluronic acid compositions comprising hyaluronic acid or modified hyaluronic acid or crosslinked hyaluronic acid and slowly resorbable particles, spheres and granules. Also provided are methods for augmenting soft tissue utilizing the compositions.

Abstract: Proived herein are derivatized or rapidly polymerizing collagen compositions for tissue augmentation containing non-resorbable or slowly resorbable polymers. Also provided are methods for the preparation of the compositions, and methods for augmenting soft tissue utilizing the compositions.

Abstract: A method for preparing inorganic macromolecular flocculant by polymerizing silicate and zirconium tetrachloride is disclosed and relates to the field of feed water treatment. The invention aims at the problem of poor efficiency of inorganic low-molecular zirconium salt flocculant in treating low-temperature raw water and blockage of flocculation, by copolymerization of polymeric zirconium chloride and polysilicic acid, the Si—O—Zr bond was formed to increase the molecular chain of the flocculant to strengthen the function of adsorption bridge and net capture sweep. Under low temperature, the flocculant can remove organic pollutants effectively, and the size of flocs formed is large and easy to precipitate. The invention is particularly suitable for the treatment of raw water at low temperature, low turbidity and high organics by enhanced coagulation.

Abstract: A display panel and a display device are provided. The display panel includes a common electrode layer, a power management chip, and a time schedule controller. By configuring the common electrode layer into a plurality of common electrode partitions, and by adjusting a feedthrough voltage according to a feedback voltage of each of the common electrode partitions, a DC voltage in each of the common electrode partitions can be maintained as a better value, thereby weakening or eliminating a problem of image sticking.

Abstract: Provided is a light source device, including a first light source module configured to output a first light beam; a second light source module configured to output a second light beam, etendue of the first light beam being smaller than etendue of the second light beam; a polarization conversion system configured to receive the first light beam and the second light beam and perform polarization conversion on at least one of the first light beam the second light beam; and an etendue increasing module provided on a light path between the first light source module and the polarization conversion system and configured to increase the etendue of the first light beam. Etendue of the first light beam incident on the PCS increases and the optical power density of the first light beam incident on the PCS decreases, thereby preventing overheating from affecting reliability of the polarization conversion system.