Abstract: An aluminum-lithium alloy with low density, high strength, and high elastic modulus and its production method are provided. A chemical composition of the aluminum-lithium alloy with low density, high strength, and high elastic modulus by weight is: Cu 1.5-4.5 wt %, Li 2.4-3.8 wt %, Mg 0.5-2.0 wt %, Zn 0.5-1.0 wt %, Ag 0.3-0.8 wt %, Er 0.05-0.3 wt %, Zr 0.05-0.25 wt %, Fe?0.08 wt %, Si?0.05 wt %, and the balance is Al and inevitable impurities. The production method includes: preparing raw materials, drying, adjusting pressure of an electromagnetic-induction furnace, melting in a vacuum induction furnace, power adjustment, casting, heat treatment, cooling. Degassing and slag removals are avoided, and defects of aluminum-lithium alloy during production are reduced.

Abstract: A backlight module and a display device are disclosed. The backlight module includes: a back plate (1); a middle frame (3) disposed on the back plate (1); a light-emitting substrate (2) disposed on the back plate (1) and in the middle frame (3), the light-emitting substrate (2) including a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) being close to an edge of the light-emitting substrate (2); a light compensation structure (100) close to the edge of the light-emitting substrate (2), the light compensation structure (100) including one or more light conversion materials. The backlight module and the display device can improve the display effect.

Abstract: A device and method for treating urban domestic sewage based on a two-stage combined process of partial denitrification-anammox belong to the field of biological sewage treatment. The device includes a raw water tank, a sequencing batch biofilm reactor (SBBR), an intermediate water tank, an up-flow anaerobic sludge bed (UASB) and a water outlet tank. A part of urban domestic sewage enters the SBBR and is mixed with residual sewage in the last cycle, a partial denitrification-anammox reaction is carried out under a stirring condition to remove nitrate nitrogen and a part of ammonia nitrogen, followed by a nitrification under an aeration condition to completely convert ammonia nitrogen into nitrate nitrogen, and effluent enters the intermediate water tank; and the other part of the urban domestic sewage is mixed with the effluent of the SBBR and continuously enters the UASB, and nitrite nitrogen, which is generated by nitrate nitrogen reduction, and ammonia nitrogen, are removed by means of anammox.

Abstract: The present invention provides a use of a phillyrin/phillygenin composition which targets and inhibits 3CLpro protein of COVID-19 virus, in preparation of an anti-coronavirus drug or a drug for treating a disease caused by the coronavirus, wherein the coronavirus is COVID-19 virus, and the disease caused by the coronavirus is COVID-19.

Abstract: Disclosed is a psychomotor ability assessment method based on multi-target tracking paradigm, which includes the following steps: analyzing research data of psychomotor ability, determining a plurality of measurement dimensions of psychomotor ability, and designing an experimental task paradigm based on the plurality of measurement dimensions, wherein the experimental task paradigm is used for representing a level of the plurality of measurement dimensions; designing evaluation schemes of the measurement dimension based on the experimental task paradigm; evaluating a ability dimension of a person to be detected based on the evaluation schemes, collecting and processing evaluation data, and calculating a weight value of the ability dimension to obtain an evaluation result of the psychomotor ability.

Abstract: The present disclosure discloses a cellulose nanocrystal-supported sodium alginate adsorbent and use thereof in enriching organic phosphorus in wastewater, belonging to the technical field of environmental engineering. Cellulose nanocrystals are prepared from papermaking deinking sludge through chemical conditioning, drying, crushing, chemical oxidation and microwave assisted separation, and then supported on alginate under weakly acidic conditions to provide the cellulose nanocrystals with the ability to enrich organic phosphorus in wastewater. By using this method, the content of organic phosphorus in the wastewater can be significantly reduced, the total phosphorus in the effluent can be reduced, and the wastewater treatment effluent can satisfy the discharge standard. The enriched organic phosphorus can be recycled as a phosphorus resource through incineration.

Abstract: The invention relates to a fiber-optic wave guide sensor of aptamers having functions of in situ target enrichment and purification, and a method for detection of small molecules to realize the quantitative detection of small molecules targets based on that small molecules targets and the aptamers complementary short strand DNA competitively bind with aptamers tethered on the fiber surface. It synchronously realized specifically binding aptamers with targets and in situ target enrichment and purification of targets by modifying aptamers and solid micro extraction layer with silica fibers of the fiber-optic wave guide sensor, which can achieve the ultrasensitive and ultrahigh specific quick detection for all types of small molecule targets regardless of any signal amplification reaction based on enzyme. The detection limitation is very low with good generalizability.

Abstract: In various examples, a set of object trajectories may be determined based at least in part on sensor data representative of a field of view of a sensor. The set of object trajectories may be applied to a long short-term memory (LSTM) network to train the LSTM network. An expected object trajectory for an object in the field of view of the sensor may be computed by the LSTM network based at least in part an observed object trajectory. By comparing the observed object trajectory to the expected object trajectory, a determination may be made that the observed object trajectory is indicative of an anomaly.

Abstract: According to embodiments of the present invention, an apparatus for adjusting a wind turbine system is provided. The apparatus includes a structure including a top surface opening and a bottom surface opening opposite to the top surface opening, the structure configured to receive a mast of the wind turbine system through the top surface opening and the bottom surface opening; a jacking mechanism operable to raise or lower the structure with respect to the mast; and a locking mechanism configured to releasably secure the structure to the wind turbine system. According to further embodiments, a mast of a wind turbine system, a system including the apparatus and the mast, and a method for adjusting a wind turbine system are also provided.

Abstract: A diagnosis report generation method and terminal device are provided. The method includes obtaining electrocardiography ECG data, determining that the ECG data includes abnormal heartbeat data, obtaining, based on the ECG data, an abnormal heartbeat waveform corresponding to the abnormal heartbeat data, combining a normal heartbeat waveform and the abnormal heartbeat waveform to obtain an abnormality comparison image, and generating a diagnosis report based on the abnormality comparison image. The abnormal heartbeat waveform is obtained by extracting and analyzing the ECG data, so that the abnormal heartbeat waveform can be combined and compared with the normal heartbeat waveform, to obtain the abnormality comparison image for generating the diagnosis report.

Abstract: A method for identifying an origin of Chrysanthemi flos is provided, which belongs to the technical field of chemical analysis and detection, and comprises the following steps: mixing Chrysanthemi flos extract with aluminum ion solution, and gold nano-clusters (AuNCs) solution in a solvent, standing for reaction, detecting fluorescence intensity of Chrysanthemi flos, comparing the fluorescence intensity of Chrysanthemi flos to be detected with that of Chrysanthemi flos from a target origin, and determining whether they are from a same origin.

Abstract: A method for identifying an origin of Chrysanthemi flos is provided, which belongs to the technical field of chemical analysis and detection, and comprises the following steps: mixing Chrysanthemi flos extract with aluminum ion solution, and gold nano-clusters (AuNCs) solution in a solvent, standing for reaction, detecting fluorescence intensity of Chrysanthemi flos, comparing the fluorescence intensity of Chrysanthemi flos to be detected with that of Chrysanthemi flos from a target origin, and determining whether they are from a same origin.

Abstract: A backlight module and a display device are disclosed. The backlight module includes: a back plate (1); a middle frame (3) disposed on the back plate (1); a light-emitting substrate (2) disposed on the back plate (1) and in the middle frame (3), the light-emitting substrate (2) including a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) being close to an edge of the light-emitting substrate (2); a light compensation structure (100) close to the edge of the light-emitting substrate (2), the light compensation structure (100) including one or more light conversion materials. The backlight module and the display device can improve the display effect.

Abstract: Apparatuses, systems, and techniques to train neural networks to perform classification. In at least one embodiment, one or more neural networks are trained to perform classification based, at least in part, on grouping one or more sets of neural network training data according to behaviors of one or more objects within one or more images represented by the training data.

Abstract: Here we describe a statistical approach based on beta mixture modelling to detect contamination and report contamination levels as both point estimates and confidence intervals in liquid biopsy samples. We validate our method with both in silico simulation and in vitro contamination spiked samples. Although we focus on liquid biopsy samples, the same strategy is applicable to any generic NGS application with minor modifications. For example, tissue samples from a biopsy can be used according to the systems and methods described herein.

Abstract: This application provides a solar cell, a method for preparing the solar cell, smart glasses, and an electronic device. The solar cell includes a first conductive layer, a second conductive layer, a first conductive lattice, a second conductive layer, and a functional layer. The functional layer is disposed between the first conductive layer and the second conductive layer, the functional layer is configured to absorb light and generate a photocurrent, and both the first conductive layer and the second conductive layer are configured to receive the photocurrent. The first conductive lattice is in contact with a surface that is of the first conductive layer. The second conductive lattice is in contact with the second conductive layer, and the first conductive lattice and the second conductive lattice are configured to output the photocurrent to the target device. This application can mitigate impact of a sheet resistance on cell efficiency.

Abstract: The present disclosure discloses a method for determining optimal preservation temperature of the anaerobic ammonia oxidation biofilm in wastewater treatment, and belongs to the technical field of environmental engineering. The method of the present disclosure characterizes the ratio of living cells, early apoptotic cells, late apoptotic cells and dead cells in the anaerobic ammonia oxidation biofilm by flow cytometry, and the optimum storage temperature can be measured within a few hours. The method of the present disclosure performs correlation analysis on the characteristic indexes of the anaerobic ammonia oxidation biofilm activity recovery process to verify the reliability of the data. By using the method of the present disclosure, the step of recovering the biofilm activity can be omitted, the removal rates of ammonia nitrogen and total nitrogen were over 90% and 85%, respectively.

Abstract: A backboard, comprising a substrate, a first reflecting layer, multiple light-emitting diode chips, and multiple optical structures. The substrate comprises a circuit structure layer. The first reflecting layer is provided on a bearing surface of the substrate, and comprises multiple through holes provided at intervals. One of the multiple light-emitting diode chips is located in one of the multiple through holes, and the multiple light-emitting diode chips is electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the multiple light-emitting diode chips to emit light. One of the multiple optical structures covers a light exit surface of one of the multiple light-emitting diode chips. Light entrance surfaces of the optical structures are in contact with light exit surfaces of the light-emitting diode chips. A light exit surface of the optical structure comprises a curved surface.

Abstract: The technology of this application relates to a cell assembly and a method for preparing a cell assembly. The cell assembly includes a first subcell, a second subcell adjacent to the first subcell, and a bottom electrode. Both the first subcell and the second subcell include a P-type layer and an N-type layer, and a light-harvesting layer located between the P-type layer and the N-type layer. The P-type layer of the first subcell is connected to the N-type layer of the second subcell by using the bottom electrode. A connection manner between subcells is provided. Compared with a current manner in which P1, P2, and P3 gaps are formed between subcells through cutting to implement interconnection, geometrical optical loss brought by interconnection between the subcells can be reduced.

Abstract: In various examples, a set of object trajectories may be determined based at least in part on sensor data representative of a field of view of a sensor. The set of object trajectories may be applied to a long short-term memory (LSTM) network to train the LSTM network. An expected object trajectory for an object in the field of view of the sensor may be computed by the LSTM network based at least in part an observed object trajectory. By comparing the observed object trajectory to the expected object trajectory, a determination may be made that the observed object trajectory is indicative of an anomaly.