Abstract: The present disclosure relates to a method for efficiently producing lactic acid by fermenting brewers' spent grains. The method specifically includes the following steps: (1) adding water to brewers' spent grains after alkali pretreatment so as to adjust a solid content of a fermentation production system to 10%-15%, adding cellulase to the brewers' spent grains according to an addition amount of 5 FPU/g-10 FPU/g, carrying out hydrolysis at 50° C.-60° C. and pH of 4.5-5.2 for 20 hours-48 hours, and obtaining a prehydrolyzed substrate; and (2) inoculating hydrolysate prepared in step (1) with a lactic acid bacteria seed solution with a viable count of 1×108 CFU/mL-1×1010 CFU/mL according to an inoculation amount of 10%-15% (v/v), conducting fermentation at 40° C.-55° C. and pH of 6.0-7.2 for 72 hours-96 hours, and obtaining a fermentation broth.

Abstract: A method for free flow fever screening is presented. The method includes capturing a plurality of frames from thermal data streams and visual data streams related to a same scene to define thermal data frames and visual data frames, detecting and tracking a plurality of individuals moving in a free-flow setting within the visual data frames, and generating a tracking identification for each individual of the plurality of individuals present in a field-of-view of the one or more cameras across several frames of the plurality of frames. The method further includes fusing the thermal data frames and the visual data frames, measuring, by a fever-screener, a temperature of each individual of the plurality of individuals within and across the plurality of frames derived from the thermal data streams and the visual data streams, and generating a notification when a temperature of an individual exceeds a predetermined threshold temperature.

Abstract: The present disclosure provides a data processing method performed by an electronic device. The method includes: obtaining first and second service behavior features, and a service scenario feature of an object from service history data associated with the object; generating first and second service embedding vectors and a scenario representation vector according to the first and second service behavior features and the service scenario feature; obtaining first and second weights of the first and second service embedding vectors according to the scenario representation vector and the first and second service embedding vectors; generating first and second service feature vectors according to the first and second service embedding vectors and the first and second weights of the first and second service embedding vectors, respectively; and obtaining an object embedding vector according to the first service feature vector and the second service feature vector.

Abstract: The present disclosure provides a grating structure, a lens, and a head-mounted display. The grating structure comprises a base and a plurality of grating sections provided on a surface of the base, the plurality of grating sections are spaced apart in an extending direction of the base, at least a portion of a surface of the grating section is coated with an enhancement layer, and the enhancement layer has a refractive index greater than that of the grating sections.

Abstract: A head-up display system and a vehicle are disclosed, the head-up display system comprises a light source and an optical guide assembly (1); an incident light emitted from the light source is incident into the optical guide assembly (1); the optical guide assembly (1) receives the incident light and outputs an exit light; the optical guide assembly (1) comprises at least two optical guides, and the incident light is coupled in and coupled out by the at least two optical guides and then is exited to form at least two divided field of views. By replacing the light guide (4) in the prior art with the optical guide assembly (1), the difficulty for processing a large area optical guide is effectively reduced, and a purpose of expanding an angle of field of view of an HUD and an eyebox is achieved.

Abstract: Techniques for preparing an electrocatalyst include growing and immobilizing an earth-abundant metal on an MXene two-dimensional (2D) substrate using a solvothermal, hydrothermal, or electrodeposition process. The earth-abundant metal may include NiFeOOH. The earth-abundant metal may include Mn, Fe, Co, Ni, Cu, Ti, V, Cr, and a combination thereof. The earth-abundant metal may be nanoparticles. The nanoparticles may include multiple metals. The electrocatalyst may be provided for an oxygen evolution reaction. The electrocatalyst may produce a current density of 500-1000 mA/cm2 for at least 20 hours without degradation thereof.

Abstract: Disclosed are an imprinting master-template and a manufacturing method therefor, wherein the method includes a master-template and a cushioning structure. A surface of the master-template is provided with a structural area and a non-structural area, the non-structural area being provided on a lateral edge of the structural area, and the structural area being provided with a structural member. The cushioning structure is provided in the non-structural area, when the imprinting master-template is transferred to form the transferring structure for the flexible template, the cushioning structure is used to be imprinted to form a supporting structure that supports the flexible template.

Abstract: An isolated nucleic acid molecule and the use thereof. The nucleic acid molecule comprises a liver-specific expression regulatory element and a target gene, and the liver-specific expression regulatory element can increase the expression amount and/or activity of the target gene. Further provided are a vector a diagnostic or pharmaceutical composition containing the isolated nucleic acid molecule, and the use thereof.

Abstract: An optical imaging system and an imaging device are disclosed. The optical imaging system includes: a display assembly, which outputs lights of an image; a lens assembly, which enlarges the image; a polarization converter, wherein the polarization converter is a frequency-dependent polarization converter, which can convert the lights of a first frequency to a first polarization and convert the lights of a second frequency to a second polarization; and an aberration-correcting optical assembly, which is a polarization-dependent planar optics assembly.

Abstract: Aspects of the present disclosure generally relate to short-wave infrared (SWIR) materials, SWIR detectors, and methods of use. In an aspect, a SWIR detector is provided and includes a conductive layer disposed over a first portion of a substrate, the conductive layer having a trench therein, and a hole transport layer disposed over at least a second portion of the substrate and within the trench of the conductive layer. The SWIR detector further includes a light conversion layer disposed over at least a portion of the hole transport layer, the light conversion layer comprising a composition having the formula AaBbMcXd, wherein: A is an organic group or ion thereof; B is an organic group, an inorganic group, or ion thereof; M is a metal or ion thereof; X is a halogen or ion thereof; and a, b, c, and d are numbers expressing amounts of A, B, M, and X.

Abstract: A method of electrochemical reduction of CO2 includes the use of a catalyst of Cu/Cu2O particles including Cu/Cu2O interfaces. The catalyst may be included in an electrochemical cell for the conversion of CO2 to value-added products. The electrochemical cell may include an anode, a cathode including the Cu/Cu2O particles including Cu/Cu2O interfaces, and an aqueous medium containing CO2 or CO3?2. The CO2 or CO3?2 is reduced by contacting the Cu/Cu2O particles with the aqueous medium while supplying electricity to the cell. The conversion of CO2 by the electrochemical reduction thereof has higher Faradaic Efficiency due to the Cu/Cu2O interfaces in the Cu/Cu2O particles.

Abstract: A liver-specific expressional regulatory element, including, in order from 51 to 31: a promoter of a dog serpinAl gene or a functional fragment thereof, a promoter of a Xenopus laevis vitellogenin A2 gene or a functional fragment thereof, a promoter of a Xenopus laevis albumin gene or a functional fragment thereof, and a promoter of a human serpinAl gene or a functional fragment thereof.

Abstract: Aspects for active alignment for assembling optical imaging systems are described herein. As an example, the aspects may include aligning an optical detector with an optical component. The optical component is configured to alter a direction of one or more light beams emitted from an image displayed by an optical engine. The aspects may further include detecting, by the optical detector, a virtual image generated by the one or more light beams emitted by the optical engine; and adjusting, by a multi-axis controller, an optical path of the one or more light beams based on one or more parameters of the virtual image collected by the optical detector.

Abstract: Aspects for active alignment for assembling optical imaging systems are described herein. As an example, the aspects may include aligning an optical detector with an optical component. The optical component is configured to alter a direction of one or more light beams emitted from an image displayed by an optical engine. The aspects may further include detecting, by the optical detector, a virtual image generated by the one or more light beams emitted by the optical engine; and adjusting, by a multi-axis controller, an optical path of the one or more light beams based on one or more parameters of the virtual image collected by the optical detector.

Abstract: A flash memory device includes a plurality of memory planes each contains arrays of memory cells; a host interface for accessing the plurality of memory planes by an external host; and a controller connected to the plurality of memory planes via a memory interface and controlling the host interface for accessing the plurality of memory planes. The controller is configured to perform: receiving one or more commands on the host interface from the external host; determining whether to perform asynchronous multi-plane independent (AMPI) read operation corresponding to the commands; and after determining to start the AMPI read operation, accessing the memory planes in parallel according to the commands, and completing the AMPI read operation using an order of the commands determined based on an indicator signal provided to the controller to correspond to a sequence of the commands received on the host interface.

Abstract: A use of the bile acids represented by Formula (1) and derivatives thereof in the preparation of a GPR39 agonist, as well as a drug composite which contains such bile acids and the derivatives thereof as the active ingredient, the drug composite being used to prevent, treat and/or relieve diseases associated with GPR39 activity.

Abstract: Aspects for active alignment for assembling optical imaging systems are described herein. As an example, the aspects may include aligning an optical detector with an optical component. The optical component is configured to alter a direction of one or more light beams emitted from an image displayed by an optical engine. The aspects may further include detecting, by the optical detector, a virtual image generated by the one or more light beams emitted by the optical engine; and adjusting, by a multi-axis controller, an optical path of the one or more light beams based on one or more parameters of the virtual image collected by the optical detector.

Abstract: Aspects for active alignment for assembling optical imaging systems are described herein. As an example, the aspects may include aligning an optical detector with an optical component. The optical component is configured to alter a direction of one or more light beams emitted from an image displayed by an optical engine. The aspects may further include detecting, by the optical detector, a virtual image generated by the one or more light beams emitted by the optical engine; and adjusting, by a multi-axis controller, an optical path of the one or more light beams based on one or more parameters of the virtual image collected by the optical detector.

Abstract: All inorganic perovskites for short-wave IR (SWIR) devices having improved chemical stability and long-term stability. Improved methods of making all inorganic perovskites for short-wave IR (SWIR) devices are also disclosed herein.

Abstract: Aspects for active alignment for assembling optical imaging systems are described herein. As an example, the aspects may include aligning an optical detector with an optical component. The optical component is configured to alter a direction of one or more light beams emitted from an image displayed by an optical engine. The aspects may further include detecting, by the optical detector, a virtual image generated by the one or more light beams emitted by the optical engine; and adjusting, by a multi-axis controller, an optical path of the one or more light beams based on one or more parameters of the virtual image collected by the optical detector.