Abstract: A discrete element method contact model building method includes: selecting a filling body in a disaster-causing structure to obtain a change rule of cumulative loss of the filling body; performing test simulation, and determining a relation function of each group of corresponding mesoscopic mechanical parameters in each time period and mesoscopic parameters of a DEM contact model representing a change rule of macroscopical parameters of the filling body; embedding each mesoscopic parameter relation function into an existing particle contact model, performing test simulation, and updating a fracture failure criterion of the contact model according to a corresponding relation of macro-mesoscopic strength during model failure; and based on a seepage failure indoor test, building a seepage failure discrete element calculation model, and simulating the seepage failure process of a rock and soil mass by using the obtained particle contact model and the fracture criterion of the particle contact model.

Abstract: Methods and systems are provided for improving user authentication and access control by a network file system service in a multi-tenant public cloud environment by receiving a request for a connection to a file system from a file system client (client), sending an identification request for identification authentication of the client to a control system, receiving a response from the control system, establishing the connection to the file system upon determining that the connection to the file system is allowed based on cloud tenant information associated with the client, receiving an attempt to access the file system from the client by a sub-user, authenticating the sub-user based on the cloud tenant information, issuing a security token including a globally unique sub-user identifier of the sub-user, and using the security token to determine access rights of the sub-user to the file system for a subsequent request.

Abstract: Disclosed is a use of a small-molecule AURKB inhibitor for treatment of non-small cell lung cancer.

Abstract: The present disclosure provides a multi-layer open channel portable flow measuring device based on a water impulse principle and a flow measuring method; an instantaneous water head height of a water-carrying section, namely, a water level H is measured through a pressure sensor at a bottom of a U-shaped hollow tube; at the same time, layered multi-point velocity measuring components in equidistant layout include a series of position “current meters” composed of tension sensors, hollow punching lightweight steel balls and lightweight elastic steel ropes to measure velocities V1-n of different points, n depends on the layer decided to be arranged according to a channel depth, an instantaneous flow value of the whole water-carrying section is further acquired through multi-layer flow accumulation, and with a simple structure, intelligent control, easy operation and convenient carrying, the present disclosure may further improve the flow measuring precision.

Abstract: The present disclosure provides a multi-layer open channel portable flow measuring device based on a water impulse principle and a flow measuring method; an instantaneous water head height of a water-carrying section, namely, a water level H is measured through a pressure sensor at a bottom of a U-shaped hollow tube; at the same time, layered multi-point velocity measuring components in equidistant layout include a series of position “current meters” composed of tension sensors, hollow punching lightweight steel balls and lightweight elastic steel ropes to measure velocities V1-n of different points, n depends on the layer decided to be arranged according to a channel depth, an instantaneous flow value of the whole water-carrying section is further acquired through multi-layer flow accumulation, and with a simple structure, intelligent control, easy operation and convenient carrying, the present disclosure may further improve the flow measuring precision.

Abstract: A human identifying device includes a temperature sensing module, a temperature pattern recognizing module and a human body identifying module. The temperature sensing module senses temperature distribution within the target area. The temperature pattern recognizing module determines at least one matching region out of the target area based on a human-resembling temperature feature within the temperature distribution. The temperature pattern recognizing module identifies at least one matching temperature sensor that corresponds to the at least one matching region. The human body identifying module determines if distribution of the at least one matching temperature sensor resembles at least one part of a human body contour.

Abstract: A lighting apparatus includes a power circuit, multiple light sources, a power failure detection circuit, a wall switch decoder and a controller. The power circuit converts an external power source to multiple driving currents. The multiple light sources respectively receive the multiple driving currents to generate a required mixed light. The power failure detection circuit is coupled to the power circuit for detecting a predetermined power failure pattern. When the predetermined power failure pattern is detected, the power failure detection circuit generates a failure signal. The wall switch decoder is coupled to a wall switch via a signal wire for converting a manual operation to a corresponding switch parameter. The failure signal activates a mode switch in the controller to select a working mode. The switch parameter is interpreted with different setting instructions under different working modes.

Abstract: A lighting apparatus includes a light source plate, a surface rim and a light passing cover. The light source plate is mounted with a light source. The light source plate is placed upon the support plate. The surface rim has an inner wall and an exterior wall. The inner wall has a top part and a bottom part. A bottom diameter of the bottom part is smaller than a top diameter of the top part. The light source is placed closer to the bottom part of the inner wall and surrounded by the bottom part of the inner wall. The light passing cover is attached to the top part of the inner wall. An exterior edge of the exterior wall is attached to a peripheral edge of the support plate.

Abstract: A control device for controlling at least one LED module includes: a power supply module arranged to receive power over Ethernet to generate a first supply power; and an illumination controlling module coupled to the power supply module for receiving a communication signal from the Ethernet to generate a serial bus signal to control an illumination of the at least one LED module; wherein the illumination controlling module is powered by the first supply power.

Abstract: A self-adaptive illuminating device includes an illumination module and a driver module. The illumination module includes multiple electrically coupled illuminating units and a sampler. The sampler is electrically coupled to the illuminating units. The sampler tests at least one electrical property of the illuminating units by using a test signal for generating a feedback parameter. The driver module is electrically coupled to the illumination module. The driver module includes a signal processing unit and a power transformer. The signal processing unit is coupled to the sampler. The signal processing unit generates an operating parameter based on the feedback signal. The power transformer is electrically coupled to the signal processing unit and the illuminating units. The power transformer generates a resulting driving power based on the operating parameter and the initial driving power, and drives the illuminating units using the resulting driving power.

Abstract: A programmable light apparatus includes a LED module and a driver. The driver has a current adjustable circuit that supports multiple types of LED modules. By sending a programming signal to a wireless circuit of the driver, the current adjustable circuit determines a correct setting to provide a necessary driving current to a corresponding LED module.

Abstract: A LED driving circuit includes a DALI module, a linear voltage luminance adjusting module, a DIP luminance adjusting module, a control module, a power source, a constant current driving module and an output module. The DALI module generates a PWM signal. The linear voltage luminance adjusting module generates a second PWM signal. The DIP luminance adjusting module generates a switch signal. The control module generates a drive PWM signal using the first PWM signal, the second PWM signal and the switch signal. The power source provides power. The constant current driving module generates a constant-current drive voltage using the provided power and the drive PWM signal. The output module generates a drive current that responds to the constant-current drive voltage. And the output module drives an external LED device using the drive current.

Abstract: A light bulb apparatus has a plurality of LED modules, a substrate, a driver circuit board, a plastic piece, a radiator and a lamp cap. The substrate has aluminum material for mounting the plurality of LED modules, a first connection end and a second connection end. The first connection end and the second connection end are electrically connected to the plurality of LED modules. The plastic piece with a guiding groove is used for inserting the driver circuit board. The radiator has a top plate and a side wall. The substrate is fixed on the top plate, and the side wall are connected to the plastic piece.

Abstract: A lighting apparatus includes a power circuit, multiple light sources, a power failure detection circuit, a wall switch decoder and a controller. The power circuit converts an external power source to multiple driving currents. The multiple light sources respectively receive the multiple driving currents to generate a required mixed light. The power failure detection circuit is coupled to the power circuit for detecting a predetermined power failure pattern. When the predetermined power failure pattern is detected, the power failure detection circuit generates a failure signal. The wall switch decoder is coupled to a wall switch via a signal wire for converting a manual operation to a corresponding switch parameter. The failure signal activates a mode switch in the controller to select a working mode. The switch parameter is interpreted with different setting instructions under different working modes.

Abstract: An LED driving circuit includes a power source, a first voltage stepping-down module, a constant current driving module, a second voltage stepping-down module, a DIP switch module, a control module and a loading module. The power source provides a source voltage. The first voltage stepping-down module reduces the source voltage's voltage level and correspondingly generates a first buck voltage. The second voltage stepping-down module reduces the first buck voltage's voltage level to generate a second buck voltage. The DIP switch module generates a maximal current indicating signal according to the second bulk voltage. The control module generates a PWM signal based on the second buck voltage and the maximal current indicating signal. The constant current driving module generates a drive current according to the first buck voltage and the PWM signal, and drives the loading module using the drive current.

Abstract: Disclosed is a use of a small-molecule AURKB inhibitor for treatment of non-small cell lung cancer. The small-molecule AURKB inhibitor is directed to a diindolylmethane compound of formula (I) or a stereoisomer, a tautomer, a solvate, a prodrug, a N-oxide or a pharmaceutically acceptable salt thereof.

Abstract: A self-adaptive illuminating device includes an illumination module and a driver module. The illumination module includes multiple electrically coupled illuminating units and a sampler. The sampler is electrically coupled to the illuminating units. The sampler tests at least one electrical property of the illuminating units by using a test signal for generating a feedback parameter. The driver module is electrically coupled to the illumination module. The driver module includes a signal processing unit and a power transformer. The signal processing unit is coupled to the sampler. The signal processing unit generates an operating parameter based on the feedback signal. The power transformer is electrically coupled to the signal processing unit and the illuminating units. The power transformer generates a resulting driving power based on the operating parameter and the initial driving power, and drives the illuminating units using the resulting driving power.

Abstract: A human-presence-responding luminance system includes an illuminating device and a luminance adjusting device. The luminance adjusting module includes a human proximity sensor, a luminance determining module and a transmission module. The human proximity sensor detects a current location of a human appearing in its proximity. The luminance determining module determines whether the current location of the human is within a first predetermined region and whether the current location of the human is within a second predetermined region. The first predetermined region substantially covers the second predetermined region. In addition, the luminance determining module sets a luminance controlling signal to a higher average luminance when the current location of the human is within the second predetermined region.

Abstract: A control device for controlling at least one LED module includes: a power supply module arranged to receive power over Ethernet to generate a first supply power; and an illumination controlling module coupled to the power supply module for receiving a communication signal from the Ethernet to generate a serial bus signal to control an illumination of the at least one LED module; wherein the illumination controlling module is powered by the first supply power.