Abstract: A flexible witness service system architecture is provided that comprises one or more cluster sites each having at least two storage/compute nodes; at least one local external device associated with at least one of the one or more cluster sites, the at least one local external device configured to run a local witness service. A central cloud management platform is in communication with the one or more cluster sites, the central cloud management platform being configured to run a cloud witness service. The local witness service and the cloud witness service perform identical arbitration services if a storage/compute node in one of the one or more cluster sites fails or communication between storage/compute nodes in a cluster fails.

Abstract: Provided is a kit for calibration of an isothermal polymerase chain reaction (PCR) analyzer and use thereof. The kit includes a standard substance, an amplification primer set, a reaction buffer, a polymerase, a dye, and a negative control. The standard substance is a DNA plasmid with a gradient concentration of 100 copies/?L to 106 copies/?L; the amplification primer set has nucleotide sequences shown in SEQ ID NO: 1 to SEQ ID NO: 6; the polymerase is a Bst DNA polymerase; and the dye is a loop-mediated isothermal amplification (LAMP) fluorescent dye (with excitation: 485 nm, emission: 498 nm, and a detection channel of SYBR® Green I or a FAM channel). The kit and a technology for calibration of an isothermal PCR instrument meet calibration demands of the isothermal PCR instrument and fill a technical gap.

Abstract: The invention discloses a method for correcting differential pressure values of a fire extinguishing agent concentration analyzer in the engine compartment of an aircraft, the analyzer, and a readable storage media thereof. The method includes: correcting theoretical differential pressure values of the analyzer; measuring actual differential pressure values of the analyzer under different pressure; obtaining a series of corrected viscosity coefficients accordingly; obtaining a relation accordingly; setting a corrected model to replace the original model of the analyzer. It is solved for the problem that the noise influence caused by the pressure of flight environment cannot be overcome in the test of extinguishing agent concentration in aircraft engine compartment.

Abstract: A flexible witness service system architecture is provided that comprises one or more cluster sites each having at least two storage/compute nodes; at least one local external device associated with at least one of the one or more cluster sites, the at least one local external device configured to run a local witness service. A central cloud management platform is in communication with the one or more cluster sites, the central cloud management platform being configured to run a cloud witness service. The local witness service and the cloud witness service perform identical arbitration services if a storage/compute node in one of the one or more cluster sites fails or communication between storage/compute nodes in a cluster fails.

Abstract: A method for predicting clinical severity of a neurological disorder includes steps of: a) identifying, according to a magnetic resonance imaging (MRI) image of a brain, brain image regions each of which contains a respective portion of diffusion index values of a diffusion index, which results from image processing performed on the MRI image; b) for one of the brain image regions, calculating a characteristic parameter based on the respective portion of the diffusion index values; and c) calculating a severity score that represents the clinical severity of the neurological disorder of the brain based on the characteristic parameter of the one of the brain image regions via a prediction model associated with the neurological disorder.

Abstract: A flexible witness service system architecture is provided that comprises one or more cluster sites each having at least two storage/compute nodes; at least one local external device associated with at least one of the one or more cluster sites, the at least one local external device configured to run a local witness service. A central cloud management platform is in communication with the one or more cluster sites, the central cloud management platform being configured to run a cloud witness service. The local witness service and the cloud witness service perform identical arbitration services if a storage/compute node in one of the one or more cluster sites fails or communication between storage/compute nodes in a cluster fails.

Abstract: Provided is a device for measuring a gas concentration, including: a preheating module configured to preheat and rectify an input to-be-measured gas to output a first stage gas; a differential pressure conversion module connected to the preheating module, wherein the differential pressure conversion module is configured to allow the first stage gas flowing through to generate a differential pressure change value; and a processing module configured to acquire a volume concentration of the to-be-measured gas according to the differential pressure change value; wherein the differential pressure conversion module comprises a capillary laminar flow unit having a plurality of capillaries, and flow channels of the plurality of capillaries become a main channel of a gas flow, so as to form a laminar flow structure. A method for measuring a gas concentration is further provided, including measuring a concentration of a to-be-measured gas using the above-mentioned device for measuring a gas concentration.

Abstract: The present invention relates to the field of compounds, and in particular to a probucol derivative, a preparation method therefor and use thereof, the probucol derivative having a structure represented by general formula I. The probucol derivative provided in the present invention can be used for the prevention and treatment of vascular diseases including diabetes, cardio-cerebrovascular diseases or complications thereof, and can be effectively used for reducing blood glucose, reducing blood lipid, reducing cholesterol, reducing body weight, reducing triglyceride, anti-inflammatory, and anti-oxidation, etc., having broad prospective applications.

Abstract: A drum washing machine includes a tub; a drum rotatably provided in the tub; an agitator rotatably provided in the drum and having a water spray hole; a driver in transmission connection with the drum via a main shaft, and the main shaft transmitting a torque of the driver to the drum; a planetary gear assembly in transmission connection with the main shaft and the agitator separately, and transmitting the torque of the main shaft to the agitator; a brake linked with the planetary gear assembly, and a water supply device configured to supply water to the agitator.

Abstract: A planetary gear assembly for a drum washing machine and a washing machine are provided. The planetary gear assembly includes a planetary gear component. The planetary gear component includes a planet carrier, a plurality of planetary gears rotatably mounted to the planet carrier separately and configured to be meshed with a main shaft separately, the main shaft being configured to drive a drum to rotate in a drum washing machine; and a planetary gear outer teeth casing fitted over an outer side of the plurality of planetary gears, meshed with the plurality of planetary gears separately, and configured to be in transmission connection with an agitator in the drum.

Abstract: Disclosed herein is a method for diagnosing a neurological disorder based on at least one magnetic resonance imaging (MRI) image. The method includes identifying brain image regions that contain a respective portion of diffusion index values of at least one diffusion index. For each of the brain image regions, a characteristic parameter based on the respective portion of the diffusion index values is calculated. a diagnoses is then made for the brain using one of predetermined categories of the neurological disorder by performing classification on a combination of the characteristic parameters via a classifier.

Abstract: A brake for a drum washing machine and a drum washing machine are disclosed. The brake includes a brake disk, provided on a second shaft; a brake seat, provided with a slideway; a brake pawl, provided to the brake seat, switchable between a state of holding the brake disk and a state of releasing the brake disk; a brake lever, slidably fitted with the slideway between an extending position and a retracting position, and the brake pawl is switched to the tightening state when the brake lever is at the extending position, and the brake pawl is switched to the releasing state when the brake lever is at the retracting position; a brake driver, mounted to the brake seat and in transmission connection with the brake lever, the brake driver driving the brake lever to move between the extending position and the retracting position.

Abstract: The present disclosure relates to an agitator for a drum washing machine and a drum washing machine. The agitator comprises a first agitating subsection and a second agitating subsection, and an agitating rib of the first agitating subsection is provided with water spray holes, the second agitating subsection and the first agitating subsection are separate parts, and the second agitating subsection and the first agitating subsection are mounted and jointly define a water spray channel in communication with the water spray hole.

Abstract: A non-contact transporting apparatus (10) includes: a negative pressure assembly (100) configured to generate a negative pressure airflow within the non-contact transporting apparatus; and an ultrasonic assembly (200) connected to the negative pressure assembly (100). The ultrasonic assembly (200) includes: an ultrasonic transducer (210) configured to convert a high-frequency ultrasonic electrical signal into a high-frequency mechanical vibration, one end of the ultrasonic transducer (210) is connected to the negative pressure assembly (100); an ultrasonic horn (230) configured to amplify the high-frequency mechanical vibration, one end of the ultrasonic horn (230) is connected to one end of the ultrasonic transducer (210) away from the negative pressure assembly (100); and an ultrasonic chuck (250) configured to amplify and convert the high-frequency mechanical vibration, the ultrasonic chuck (250) is connected to one end of the ultrasonic horn (230) away from the ultrasonic transducer (210).

Abstract: A drum washing machine includes a tub; a drum rotatably provided in the tub; an agitator rotatably provided in the drum; a driver in transmission connection with the drum via a main shaft, and the main shaft transmitting a torque of the driver to the drum; a planetary gear assembly in transmission connection with the main shaft and the agitator separately, and transmitting the torque of the main shaft to the agitator; and a brake linked with the planetary gear assembly.

Abstract: A drum washing machine includes a tub; a drum rotatably arranged in the tub; an agitator rotatably arranged in the drum; a drive in transmission connection with the drum via a main shaft which transmits a torque of the driver to the drum; and a planetary gear assembly in transmission connection with the main shaft and the agitator and transmitting a torque of the main shaft to the agitator.

Abstract: A multi-layer transdermal drug delivery system containing ibuprofen or a structural analogue thereof, comprising a transdermal patch containing ibuprofen or a structural analogue thereof and a second combined layer. The transdermal patch comprises a polymer matrix layer, the polymer matrix layer comprising an active ingredient, a compound containing at least one amino group, and a pressure-sensitive adhesive. All or some of active ingredient-amino compound salts or all or some of free active ingredients formed in the polymer matrix layer are kept in a uniform dissolution state in the polymer matrix, and can be stably stored before use, without recrystalization. The transdermal drug delivery system can continuously and controllably deliver a therapeutically effective amount of ibuprofen or a structural analogue thereof for 12 to 24 hours in the absence of a transdermal enhancer, has excellent wearing ability, and avoids a cold flow phenomenon.

Abstract: A drum washing machine includes a tub; a drum rotatably arranged in the tub; an agitator rotatably arranged in the drum and having a water spray hole; a drive in transmission connection with the drum via a main shaft which transmits a torque of the driver to the drum; a planetary gear assembly in transmission connection with the main shaft and the agitator and transmitting a torque of the main shaft to the agitator; and a water supply device in communication with one of the tub and a water source as well as the agitator respectively, supplying water in the tub or the water source to the agitator, and spraying the water into the drum through the water spray hole.

Abstract: A non-contact transporting apparatus (10) includes: a negative pressure assembly (100) configured to generate a negative pressure airflow within the non-contact transporting apparatus; and an ultrasonic assembly (200) connected to the negative pressure assembly (100). The ultrasonic assembly (200) includes: an ultrasonic transducer (210) configured to convert a high-frequency ultrasonic electrical signal into a high-frequency mechanical vibration, one end of the ultrasonic transducer (210) is connected to the negative pressure assembly (100); an ultrasonic horn (230) configured to amplify the high-frequency mechanical vibration, one end of the ultrasonic horn (230) is connected to one end of the ultrasonic transducer (210) away from the negative pressure assembly (100); and an ultrasonic chuck (250) configured to amplify and convert the high-frequency mechanical vibration, the ultrasonic chuck (250) is connected to one end of the ultrasonic horn (230) away from the ultrasonic transducer (210).

Abstract: A wind power converter device is provided. The wind power converter device includes grid side converters, generator side converters and a DC bus module. Each of the grid side converters includes grid side outputs electrically coupled to a grid and a first and a second DC inputs. Each two of the neighboring grid side converters are connected in series at the second and the first DC inputs. Each of the generator side converters includes generator side inputs electrically coupled to a generator device and a first and a second DC outputs. Each two of the neighboring generator side converters are coupled in series at the second and the first DC outputs. The DC bus module is electrically coupled between the grid side converters and the generator side converters.