Abstract: The present disclosure relates to a compound and use thereof in an identification of Camellia ptilophylla varieties, with a structural formula of Formula (I). Upon identification, the compound was named as 4-amino-5-hydroxypentanoic acid, being a newly discovered natural compound found in tender shoots of Camellia ptilophylla, and also identified as a novel amino acid. This compound was not detected in other tea varieties, but it was consistently present in all populations of Camellia ptilophylla. In the tender shoot tissues or tea products made from such tender shoot materials, the detection of this compound can effectively identify tea products and seedlings of Camellia ptilophylla.

Abstract: This document describes a waveguide antenna array for use in an optical phased array (OPA) such that the OPA is able to achieve a wide field of view and grating-lobe-free far field projection. The waveguide antenna array comprises a first waveguide antenna having periodic perturbations comprising first waveguide sections and first perturbed sections, a second waveguide antenna having periodic perturbations comprising second waveguide sections and second perturbed sections. A pitch between the first and second waveguide antenna is equal or less than half an operating wavelength of an optical signal to be received by the waveguide antenna array. A width of the first waveguide section is different from a width of the second waveguide section. The perturbation period of the first waveguide antenna is different from the perturbation period of the second waveguide antenna.

Abstract: A drive circuit, an active pen, and a touch panel are provided. The circuit comprises a first voltage generation circuit, at least one energy storage element, and a switch circuit. The first voltage generation circuit and the at least one energy storage element are connected to a load through the switch circuit, the first voltage generation circuit is configured to output a first power supply voltage; and the switch circuit is configured to control the first voltage generation circuit to charge the load in a first phase until a voltage of the load reaches the first power supply voltage, control the load to discharge to the at least one energy storage element sequentially in a second phase, control the load to discharge to ground in a third phase, and control the at least one energy storage element to charge the load sequentially in a fourth phase.

Abstract: The present invention provides a novel silicon-on-insulator wafer and a preparation method therefor. According to the present invention, the preparation method for a novel silicon-on-insulator wafer comprises the following steps: S1: preparing a TRL or porous silicon on and injecting hydrogen into a silicon wafer to form a hydrogen-injected silicon wafer; S2: growing SiO2 as BOX2 on a substrate, and flipping the hydrogen-injected silicon wafer over to undergo low-temperature bonding with BOX2; S3: after high-temperature stripping, growing SiO2 as BOX1 on the TRL or porous silicon; and S4: injecting hydrogen into the silicon wafer, then flipping the silicon wafer over to undergo low-temperature bonding with BOX1, and, after high-temperature stripping, forming SOI to obtain a novel silicon-on-insulator wafer. The novel silicon-on-insulator wafer of the present invention has lower back gate leakage.

Abstract: Described are a composite emulsifier and an oil-based drilling fluid. The composite emulsifier includes a main emulsifier and an auxiliary emulsifier. The auxiliary emulsifier is a sulfonated substance and/or carboxylation product of the main emulsifier. The composite emulsifier has a good emulsification effect and good electrical stability and thermal stability, and can greatly reduce difficulties in compounding at a drilling site.

Abstract: A composition for administration to a subject is disclosed. The composition comprises at least one botanical active component. The botanical active component is present in the composition in an amount effective to inhibit advanced glycation end products (AGEs) in skin of the subject. The botanical active component comprises at least one extract selected from the group consisting of: i) an extract of Dendrobium officinale flower; ii) an extract of Scrophularia ningpoensis; iii) an extract of Eucommia ulmoides; and iv) combinations of i) to iii). The composition may be in the form of a topical composition, e.g., for topical application. The composition may also be in the form of an oral composition, e.g., for ingestion. A method of inhibiting advanced glycation end products (AGEs) in skin of a subject is also provided. The method comprises administering an effective amount of the composition to the subject.

Abstract: A method includes obtaining an ASR model trained to recognize speech in a first language and receiving transcribed training utterances in a second language. The method also includes integrating the ASR model with an input reprogramming module and a latent reprogramming module. The method also includes adapting the ASR model to learn how to recognize speech in the second language by training the input reprogramming module and the latent reprogramming module while parameters of the ASR model are frozen.

Abstract: The present disclosure provides a preparation method of an easy-to-cook whole grain based on microwave-induced cracking, and belongs to the technical field of food processing. In the present disclosure, the preparation method of an easy-to-cook whole grain includes the following steps: subjecting a whole grain to a heat-moisture treatment, and conducting short-time microwave-induced cracking, tempering, and cooling to obtain the easy-to-cook whole grain. The easy-to-cook whole grain obtained by the preparation method of the present disclosure has a complete grain, a slightly-expanded volume, and fine cracks on its surface. Compared with unprocessed whole grains, the easy-to-cook whole grain has a water absorption increased from 1.35 times to 1.9 times an original weight of the unprocessed whole grains during rice steaming.

Abstract: The present application relates to the technical field of computers, and provides a method and apparatus for identifying PCI devices, an electronic device and a nonvolatile readable storage medium. The method comprises: acquiring a configuration file of a processor; on the basis of the configuration file, determining an identification sequence of interfaces, and generating an identification sequence list; in response to an identification sequence position modification request, modifying in a basic input output system the identification sequence position of a target interface in the identification sequence list, and adjusting the sequence position of a port resource identifier corresponding to the interface of which the identification sequence position has changed, so as to generate a new identification sequence list; and, according to the new identification sequence list, scanning PCI devices connected to the processor.

Abstract: The present disclosure involves methods, apparatus, and systems for identifying a query to perform in an emulated data analytics environment; parsing, by a first virtual machine (VM) executing a first operating system (OS), two subsets of operations from the plurality of operations; sending, by the first VM, the second subset of operations to a custom interface; receiving, by a second VM executing a second OS and from the custom interface, the second subset of operations; executing, by the second VM, the second subset of operations using an emulated hardware accelerator executing on the second VM, wherein executing the second subset of operations comprises performing a read operation of a memory using a standard interface; and returning, by the second VM, results associated with the second subset of operations to the first VM using the custom interface.

Abstract: An ambient lamp includes a column lamp and a projection lamp. The column lamp includes a support column and a first light-emitting assembly arranged on the support column and extending along a length direction of the support column. The projection lamp is supported on the column lamp, is electrically connected to the column lamp and is configured to project dynamic projection light.

Abstract: A test device and a method for testing a photovoltaic module, for testing anti-stepping performance of the photovoltaic module. A test member is configured to abut against the photovoltaic module and apply a preset load to the photovoltaic module, to simulate force on the photovoltaic module when an operator walks on a surface of the photovoltaic module, so as to easily adjust and replace the material and the manufacturing process of the photovoltaic module according to test results, so that the photovoltaic module has stronger anti-stepping performance, thereby prolonging the service life of the photovoltaic module. The test member is provided with an abutment surface for abutting against the photovoltaic module, and an area S of the abutment surface satisfies: 50 cm2?S?400 cm2, which improves accuracy and reliability of the test results of the test device, thereby improving operation performance of the test device.

Abstract: The present disclosure belongs to the technical field of tea component detection methods, and specifically relates to a method for simultaneously detecting four alkaloids and 10 catechin components in tea. The method includes: simultaneously detecting four alkaloids and 10 catechin components in a tea sample by using HPLC, and obtaining the content of the 14 characteristic components in the tea sample according to respective standard curves of the four alkaloids and 10 catechin components.

Abstract: Devices, systems, and methods for combined multi-process treatment of wastewater, waste gas streams, or a gas flow that includes hydrogen gas. A water treatment device includes a hollow fiber membrane with an exterior biofilm coating that includes a first microorganism for a first process that utilizes a gas that diffuses from an interior of the membrane. The membrane is disposed within a bulk liquid that includes a hydrogel bead that carries a second microorganism for a second process. The second process can utilize a product of the first process. The first process can include an anaerobic process, such as biomethanization, or an aerobic process, such as nitrification. An aerobic first process causes a decreasing oxygen gradient in the bulk liquid that allows for an anaerobic process, such as denitrification, for the second process. The disclosure provides continuous-flow bioreactors that provide distinct niches for microorganisms that have different culture requirements.

Abstract: Methods, systems, and apparatuses, including computer programs encoded on computer storage media, for processing a sequence of image frames. The methods comprise processing a sequence of image frames to generate output representing one or more objects detected in the sequence of image frames using a first module. For each object, a tracking ID and location data is determined, and the corresponding location data is processed to generate a group of processed images for the object. An embedding for each group of the groups of processed images is generated using a first sequence of neural network layers of a neural network, and each of the embeddings is processed using a second sequence of neural network layers of the neural network to generate respective rectification parameters for rectifying the embedding. The output comprises (i) a prediction of content and (ii) a reconstructed image for each object of the one or more objects.

Abstract: Provided is a photovoltaic module, including a first intermediate busbar having a first lead-out terminal provided at an end thereof; a second intermediate busbar having a second lead-out terminal provided at an end thereof; and a first jumper wire arranged on a first isolation bar; the first lead-out terminal and the second lead-out terminal are located on two opposite sides of the first jumper wire, and the first lead-out terminal and the second lead-out terminal abut against two opposite side surfaces of the first isolation bar or overlap a top surface of the first isolation bar. Compared with the related art, the first isolation bar where the first jumper wire is located is clamped or pressed by the first lead-out terminal and the second lead-out terminal, to prevent short circuit or shielding of the cell caused by free movement of the first jumper wire, the first and second intermediate busbars.

Abstract: An ambient image projection device includes a lens assembly and a projection assembly. The projection assembly includes a first light source and a display screen. Content displayed on the display screen forms dynamic images to be projected into space under guidance of the lens assembly. The first light source, the display screen, and the lens assembly are arranged along an optical path direction of the projection assembly. The display screen is arranged on a light-emitting side of the first light source and is coaxially arranged with the first light source.

Abstract: A backplane operative to drive an array of emissive pixel elements is disclosed. A plurality of pixel drive circuits form part of an array of emissive elements. The plurality of pixel drive circuits are disposed to form a plurality of rows and a plurality of columns. The plurality of pixel drive circuits are organized into sets of pixel drive circuits, and each set comprises at least one pixel drive circuit.

Abstract: Provided are a mediator, a preparation method and use thereof. The mediator includes the following components, in percentage by mass: 5-50% of a magnesium salt, 3-40% of a manganese salt, 5-30% of a rare earth compound, and 6-60% of an auxiliary metal salt, where the magnesium salt and the manganese salt each have vacancy defects.

Abstract: Provided is a wall-mounted air conditioner, comprising a housing and a heat exchanger. An air duct is provided in the housing; the air duct comprises an air inlet and an air outlet; the air duct comprises an air inflow section and an air outflow section that are connected to each other; at least a portion of the air inlet is located on the front side of the housing; and the heat exchanger is disposed in the air duct. The air inflow section horizontally or obliquely extends forward from the air outflow section to form a first mounting space behind the air inflow section; and/or the portion of the air outflow section adjacent to the air outlet extends downward and forward from the remaining portion of the air outflow section to form a second mounting space behind the air outflow section.