Abstract: The present application relates to a method for evaluating an operation of a distribution network based on data capture and Spark. The method includes: acquiring a packet from a terminal, and mirroring the packet through a mirroring port of a switch to acquire a mirror packet of the packet; analyzing the mirror packet, acquiring a 101/104 protocol packet, and storing the 101/104 protocol packet into an HDFS; acquiring the 101/104 protocol packet from the HDFS, parsing the 101/104 protocol packet on a Spark platform to acquire a parameter in the 101/104 protocol packet, and analyzing and processing the parameter to obtain a key indicator for evaluating the operation of the distribution network; and displaying the key indicator through a web page.

Abstract: A control circuit of a pipeline analog-to-digital converter (ADC) is provided. The pipeline ADC includes a multiplying digital-to-analog converter (MDAC) which includes a capacitor. The control circuit includes six switches and two buffer circuits. The first and second switches are respectively coupled between one end of the capacitor and the first and second reference voltages. The output terminals of the first and second buffer circuits are respectively coupled to the first and second switches. The input terminal of the first buffer circuit is coupled to the third reference voltage through the third switch, or receives a control signal through the fifth switch. The input terminal of the second buffer circuit is coupled to the fourth reference voltage through the fourth switch, or receives the control signal through the sixth switch. The first and second reference voltages are different, and the first and second switches are not turned on simultaneously.

Abstract: A pipeline analog to digital converter (ADC) includes converter circuitries, a detector circuitry, and a clock generator circuit. The converter circuitries sequentially convert an input signal to be digital codes. One of the converter circuitries includes a sub-ADC circuit and a multiplying digital to analog converter (MDAC) circuit. The sub-ADC circuit performs a quantization according to a first signal to generate a corresponding one of the digital codes, in which the first signal is the input signal or a previous stage residue signal. The MDAC circuit processes the corresponding one of the digital codes in response to a first clock signal, in order to generate a current stage residue signal. The detector circuitry detects whether the quantization is complete, in order to generate a control signal. The clock generator circuit adjusts a timing of the first clock signal according to the control signal.

Abstract: Disclosed herein are a preparation method and an application of an isoxazinone compound (I), where the preparation method includes: reacting compound (II) with a carboxylic acid (III) in the presence of a dehydrating agent and a base to produce the isoxazinone compound (I); and subjecting the isoxazinone compound (I) and a protonic acid salt of an amino compound (IV) or R3OH (VII) to ring-opening reaction in the presence of a base to produce a bisamide compound (V) or an N-acyl benzoate compound (VI).

Abstract: Disclosed are a distribution transformer terminal and a method for monitoring a state of a distribution transformer court device. The distribution transformer terminal includes an ARM core processor, a carrier communication module connected to a court device, a sub-G wireless communication module connected to the court device and a GPS module connected to the court device. The ARM core processor is connected to the carrier communication module, the sub-G wireless communication module and the GPS module. The ARM core processor is configured to identify a phase of the court device and a court to which the court device belongs, acquire an operating state and fault information of the court device through the sub-G wireless communication module, and acquire geographical location information of the court device through the GPS module.

Abstract: The present discloses a gas-gas high-temperature heat exchanger, including a shell (12), a tube sheet (5), a low-temperature gas inlet pipeline (6) and an outlet pipeline (7), and a high temperature gas outlet (8), the tube is divided into a first heat transfer zone (1) and a second heat transfer zone (2), a low temperature gas (4) flows in the tube, the tube includes a insert component (9) and an outer fin (10); a heat transfer tube in the second heat transfer zone (2) has a sleeve structure, a high-temperature gas (3) flows in the core tube (13), the low temperature gas (4) flows in an annular region between the core tube (13) and an outer tube (14), the high-temperature gas (3) flows out of the core tube (13) and flows into the shell-side area of the second heat transfer zone (2) again.

Abstract: A dustproof test device includes a test box and a dust supply apparatus, where the test box includes a sample cabin, where the dust supply apparatus is connected to the test box through a dust tube, and where the dust supply apparatus is configured to transport dust into the sample cabin under the action of compressed air.

Abstract: This application provides a graphics rendering method and apparatus. A service starts an application and obtains a rendering instruction sent by the application; and sends the rendering instruction to an electronic device. The electronic device performs graphics rendering according to the rendering instruction, to display an image related to the application. According to the technical solutions provided in this application, the electronic device, instead of the server, can perform graphics rendering according to the rendering instruction, thereby improving picture quality and user experience.

Abstract: A makeup bag includes a bag body, an upper cover, a horizontal partition plate, and vertical partition plates. An inner cavity of the bag body is partitioned by the horizontal partition plate and the vertical partition plates into a plurality of lattices. The inner cavity of the bag body is partitioned into a plurality of lattices, so that the makeup bag can store makeup with different sizes and can protect articles stored therein against damage caused by manual collisions.

Abstract: A six-gear automatic transmission device is provided for automobiles with a brushless control-by-wire centrifugal ball arm engagement. One brushless control-by-wire centrifugal ball arm engagement device is provided between each gear input gear and each gear driving gear; and by controlling the engagement and disengagement of the brushless control-by-wire centrifugal ball arm engagement device, the shifting control of the six-gear automatic transmission for automobile with a brushless control-by-wire centrifugal ball arm engagement device is performed. The technology provides advantages including compact structure, being capable of dynamic gear-shift, no mechanical or hydraulic gear-shift components and low operational energy consumption.

Abstract: Provided are a closed-loop system and a method for testing an intelligent alarm application of an integrated monitoring system. The system includes: a host computer and a slave computer, where the host computer and the slave computer perform downloading files and command interactions through an internal protocol, the host computer includes a visual signal configuration module, a scheduling protocol analysis and simulation module and an evaluation module, and the slave computer includes an intelligent electronic devices (IEDs) server simulation module.

Abstract: A dimmable LED drive circuit and a control method is provided in the present disclosure. The dimmable LED drive circuit may include a thyristor dimmer, a bleeder current circuit, and an LED circuit. The bleeder current circuit may provide a current required by the thyristor dimmer when an input voltage does not reach a forward voltage of the LED circuit. The dimmable LED drive circuit may further include a thyristor chopping angle detection circuit and a bleeder current control circuit. The thyristor chopping angle detection circuit may obtain a first electrical parameter signal characterizing a thyristor chopping angle when the thyristor dimmer is in a conducting state. The bleeder current control circuit may compare the first electrical parameter signal with a first threshold, and control the bleeder current circuit according to a comparison result.

Abstract: A transmission speed reduction device, comprising: a worm assembly (1) which is located within a container body (2), a worm wheel assembly (3) and an output axle (4); an input axle (11) is provided on the worm assembly (1), while the worm assembly (1) and the worm wheel assembly (3) achieve primary stage mesh transmission there between by means of worm teeth which are provided on the worm assembly (1) and a first worm wheel tooth (34) which is provided on the worm wheel assembly (3); the worm wheel assembly (3) and the output axle (4) achieve secondary stage mesh transmission by means of an intermediate rotary body (32) which is provided on the worm wheel assembly (3) and a rotary disc assembly (5) which is fixed on the output axle (4).

Abstract: Disclosed are a distribution transformer terminal and a method for monitoring a state of a distribution transformer court device. The distribution transformer terminal includes an ARM core processor, a carrier communication module connected to a court device, a sub-G wireless communication module connected to the court device and a GPS module connected to the court device. The ARM core processor is connected to the carrier communication module, the sub-G wireless communication module and the GPS module. The ARM core processor is configured to identify a phase of the court device and a court to which the court device belongs acquire an operating state and fault information of the court device through the sub-G wireless communication module, and acquire geographical location information of the court device through the GPS module.

Abstract: The present invention relates to a method of treating, mitigating, minimizing, or preventing HIV-1/AIDS by administering a CD24 protein to a subject in need thereof. Also provided herein is use of a CD24 protein in the manufacture of a medicament for treating HIV-1/AIDS. Further, provided is a pharmaceutical composition comprising a pharmaceutically acceptable amount of a CD24 protein.

Abstract: The present invention relates to a novel antibody and an antibody fragment thereof that specifically bind to TIGIT and a composition comprising the antibody or the antibody fragment. In addition, the present invention relates to a nucleic acid encoding the antibody or the antibody fragment thereof, a host cell comprising the nucleic acid, and related use. Furthermore, the present invention relates to therapeutic and diagnostic use of the antibody and the antibody fragment.

Abstract: A method is described wherein a user equipment (UE) receives first information indicating a direction of data received by a base station in each one of a plurality of time periods. The UE maintains a first list including a sequence of the directions in which the base station receives the data. The sequence indicates channel quality when the base station receives, in the different directions, the data. The UE receives second information indicating listening durations to listen on a channel in the different directions in the first list, and a listening duration corresponding to a direction ranked higher is shorter. The UE determines, in accordance with the start of the first time period and based on the second information, a first listening duration corresponding to the first direction. If the channel is idle within the first listening duration, the UE accesses the channel.

Abstract: Disclosed are a method for preparing 2-(cyclohexenylidene) malonic acid derivatives and uses thereof. In this method, an olefin and a 2-substituted malonic acid derivative are used as starting materials to prepare the 2-(cyclohexenylidene) malonic acid derivative in the presence of a catalyst through cyclization reaction. This method has the following advantages: (1) the method can be very efficiently used for the synthesis of highly sterically-hindered 2-(2,6-disubstituted cyclohexenylidene) malonic acid derivatives; (2) the reaction yield is high, the reaction conditions are mild, and the wastes are less, favorable for industrial production. More importantly, the present invention extends the further use of 2-(cyclohexenylidene)malonic acid derivatives in organic synthesis, especially in the synthesis of 2-aryl malonic acid derivatives and their corresponding drugs such as Pinoxaden.