Abstract: A warning device (100, 212, 301, 302, 510) for use in a luminaire (201, 410, 501), comprising a housing (110, 210, 310) accommodating a drive module (115, 215, 401, 402, 520) arranged to be coupled to a luminaire and to a mains voltage (260, 560). The drive module comprises a light source (120, 420) coupled to a switch (180, 380, 491, 492) and an electrical interface (140, 240) configured to electrically connect the drive module and the mains voltage to a light element (530) of the luminaire. The housing comprises a lid (130, 230, 330) operably coupled to the switch of the drive module and configured to activate the switch upon an opening of the lid for switching on the light source upon a current of the mains voltage passing in the electrical interface and deactivate the switch module upon a closing of the lid for switching off the light source.

Abstract: Some embodiments of the present disclosure provide a plant lamp. The plant lamp may include one or more light-emitting units and a lamp holder. Each of the one or more light-emitting units may include a light-emitting side and a non-light-emitting side oppositely disposed. The one or more light-emitting units may be mounted on the lamp holder. The plant lamp may further include one or more heat dissipation units located on the non-light-emitting side of at least one of the one or more light-emitting units, connected to the at least one light-emitting unit, and configured for heat dissipation of the at least one light-emitting unit.

Abstract: An electrically modulated light source is provided. The electrically modulated light source comprises a carbon nanotube film structure. The electrically modulated light source heats up to a highest temperature and emits thermal radiation in less than 10 milliseconds after a voltage is applied, and the electrically modulated light source cools down to an initial temperature of the electrically modulated light source in less than 10 milliseconds after the voltage is removed. An modulation frequency of the electrically modulated light source is greater than or equal to 150 KHz. A non-dispersive infrared spectrum detection system used the electrically modulated light source, and a method for detecting gas used the electrically modulated light source are also provided.

Abstract: Provided is a fan grow light. The fan grow light is configured to be mounted in a tent. The fan grow light includes a lamp board assembly and a fan assembly disposed on the lamp board assembly. The fan assembly is able to promote air circulation in the tent. The fan grow light can promote air circulation in the tent, enable plants to breathe better, inhibit molds, and promote plant growth.

Abstract: A system and a method for detecting welding based on edge computing, the system includes at least one edge server, each edge server configured to obtain welding information of at least one welding machine, preprocess the welding information to generate processed data, input the processed data to a trained algorithm to generate a detecting result, and determine a welding quality of the welding machine according to the detecting result; and a data server coupled to the at least one edge server and configured to process and store the detecting result and the welding information uploaded by each edge server, generate display information, and visualizes the detecting result according to the display information.

Abstract: Implementations described and claimed herein provide systems and methods for a framework to achieve completion optimization for waterflood field reservoirs. The proposed methodology leverages adequate data collection, preprocessing, subject matter expert knowledge-based feature engineering for geological, reservoir and completion inputs, and state-of-the-art machine-learning technologies, to indicate important production drivers, provide sensitivity analysis to quantify the impacts of the completion features, and ultimately achieve completion optimization. In this analytical framework, model-less feature ranking based on mutual information concept and model-dependent sensitivity analyses, in which a variety of machine-learning models are trained and validated, provides comprehensive multi-variant analyses that empower subject-matter experts to make a smarter decision in a timely manner.

Abstract: Various methods, apparatuses/systems, and media for implementing a payment application module for searching billets are disclosed. A plurality of data sources include customer profile data, customer payment history data, biller information data, and biller directory data. A processor operatively coupled to the plurality of data sources via a communication network builds a customer profile service area popularity model based on the customer profile data, customer payment history data, biller information data, and biller directory data; receives search query data for searching a biller; builds a biller search machine learning model to optimize weights applied to the search query data; and ranks search results by utilizing the machine learning model in response to the search query data.

Abstract: A wireless communication system includes a wireless transmission device and a wireless reception device. The wireless reception device includes: a plurality of reception antennas; and a processor connected to the reception antennas. The processor executes a process including: selecting transmission beam candidates or reception beam candidates based on a reception power of a signal transmitted by using transmission beams of a first array or of a signal received by using reception beams of the first array, the first array setting a delay difference between a plurality of antennas; and determining a beam pattern of a transmission beam and a reception beam based on a reception power of a signal transmitted by using transmission beam candidates formed by a second array or of a signal received by using reception beam candidates formed by the second array, the second array setting a phase difference between a plurality of antennas.

Abstract: A method for quickly invoking a small window while a video is being displayed in full screen, a graphic user interface, and a terminal are provided. The method may include: When a terminal displays a video playing interface in full screen, the terminal may display a small window in a hover box based on a user operation. A display interface of the small window may be switched. The terminal may further quickly switch between multi-window display and full-screen display based on a user operation. In this process, the terminal continuously plays the video. According to this method, the terminal can quickly switch between multi-window display and full-screen display while continuously playing a video.

Abstract: Provided are a rotary shaft assembly and a lamp. A first connecting base of the rotary shaft assembly is formed with a positioning hole. A second connecting base of the rotary shaft assembly is rotatably connected to the first connecting base. One end of a positioning pin of the rotary shaft assembly is movably connected to the second connecting base. The other end of the positioning pin is configured to enter or exit the positioning hole from a first side of the positioning hole. An unlocking pin of the rotary shaft assembly is configured to enter or exit the positioning hole from a second side of the positioning hole. The unlocking pin is configured to drive the positioning pin to exit the positioning hole when the unlocking pin enters the positioning hole.

Abstract: A wireless communication system includes a wireless transmission device and a wireless reception device. The wireless reception device includes: a plurality of reception antennas; and a processor connected to the reception antennas. The processor executes a process including: selecting transmission beam candidates or reception beam candidates based on a reception power of a signal transmitted by using transmission beams of a first array or of a signal received by using reception beams of the first array, the first array setting a delay difference between a plurality of antennas; and determining a beam pattern of a transmission beam and a reception beam based on a reception power of a signal transmitted by using transmission beam candidates formed by a second array or of a signal received by using reception beam candidates formed by the second array, the second array setting a phase difference between a plurality of antennas.

Abstract: A carbon nanotube field emitter comprises at least two electrodes and at least one graphitized carbon nanotube structure. The at least one graphitized carbon nanotube structure comprises a first end and a field emission end. The first end is opposite to the field emission end. The first end is fixed between the at least two electrodes, and the field emission end is exposed from the at least two electrodes and configured to emit electrons.

Abstract: A method for facilitating predictive caching of data is provided. The method includes retrieving raw data relating to user activity for a plurality of users, the user activity including a history of web resources accessed by a user; converting the raw data into a structured data set based on a predetermined criterion; generating a model based on the structured data set; training the model by using a training data set, the training data set including the user activity for a predetermined period of time; determining, by using the trained model, a predicted first web resource for the user; and automatically caching, in a memory, the predicted first web resource.

Abstract: A high temperature resistant wire is provided. The high temperature resistant wire comprises a carbon nanotube wire and a boron nitride layer coated on a surface of the carbon nanotube wire. The boron nitride layer is coaxially arranged with the carbon nanotube wire. A working temperature of the high temperature resistant wire in the air ranges from 0K to 1600K. A working temperature of the high temperature resistant wire in vacuum ranges from 0K to 2500K. A detector using the high temperature resistant wire is also provided.

Abstract: A cup holder for attachment to a handlebar or other support having a transverse section of a conical shell for a cup-holding ring. The ring has opposed exterior dual-purpose couplings for engaging arcuate inserts either on the inside of the ring for small cups, or on the outside of the ring for large cups. Arcuate inserts are included, featuring a central coupling section flanked by arcuate arms adapted on the inside curvature to engage the outside of the ring and on the outside curvature adapted to engage the inside surface of the ring. The ring also supports a slide-lock base able to receive an attachment for an external object, such as a handlebar. A handlebar clamp is also provided.

Abstract: A two-stage power converter can incorporate a buck pre-regulator and a resonant bus converter. Such a converter may be operated to achieve unconditional soft switching operation (zero voltage switching a/k/a ZVS) over a wide input and output range, while delivering excellent power conversion efficiency at lower power levels and in a no load condition.

Abstract: Disclosed is a method comprising obtaining information indicating at least a mode of a plurality of terminal devices, and allocating a set of radio resources to the plurality of terminal devices based at least partly on the mode of the plurality of terminal devices.

Abstract: A three-dimensional ultrasound tomography method and system based on spiral scanning are provided. The method includes the following. (1) Collecting raw data: an emission array element is switched while a probe maintains a uniform linear motion, so that changes in trajectory with time of a position of an equivalent emission array element in a three-dimensional space show a spiral or a partial spiral, and echo data is received. (2) Pre-processing data. (3) Calculating coordinates of each equivalent emission array element. (4) Calculating coordinates of an imaging focus point. (5) Performing synthetic aperture focusing on each imaging focus point. (6) Post-processing data. The disclosure improves the principle of the imaging method, the design of the overall process, etc. Volume data containing information of continuous tissue layers is obtained through spiral scanning.