Abstract: A method comprises acquiring anomaly data including a plurality of anomalies detected from streaming data, wherein each of the anomalies relates to an entity on or associated with a computer network. The method determines a risk score of each of the anomalies, and adjusts the risk score of an anomaly according to a set of factors. The method further determines, for each of a plurality of sliding time windows of different lengths, an entity score of the entity in relation to the sliding time window, based on an aggregation of risk scores of all anomalies related to the entity that were detected within the sliding time window, where the entity score corresponds to a risk level associated with the entity. An action to prevent the entity from performing an operation can be determined and caused to occur based on the entity score.

Abstract: A method for preparing aluminum foam sandwich material by rotating friction extrusion and electromagnetic pulse hybrid process includes: step 1: preparing the filler; step 2: processing the filler to prepare a plurality of preforms; step 3: clamping and fixing the plurality of preforms to form a preform assembly; step 4: welding the panel on the surface of the preform assembly to form an non-foaming sandwich material; step 5: heating and foaming the non-foaming sandwich material through a foaming mold; step 6: insulating the foaming mold after completion of foaming; injecting cooling water into the foaming mold after completion of insulation to maintain pressure and shape, forming the aluminum foam sandwich material of the required shape. The aluminum foam sandwich material produced by this method has good interface bonding, no adverse interface reaction, high bending resistance, impact resistance, and excellent sound absorption and insulation properties.

Abstract: Provided are a method, a device and electronic equipment for detecting a stability of a generator set in a power system. The method includes following steps: determining a target matrix by using Liapunov's direct method based on a state space matrix corresponding to power management unit (PMU) data; obtaining a state deviation corresponding to the PMU data and an oscillation curve corresponding to the state deviation in a case of determining the power system being in a stable state according to the target matrix; determining extreme point values corresponding to the oscillation curve at each oscillation; and evaluating a working state of the generator set in the power system according to the extreme point values.

Abstract: The present invention discloses an electromagnetic pulse-aided friction stir lock welding processing device and method, which comprises an upper die body and a lower die body. The upper end of the lower die body is provided with a frustum-shaped settling tank. The lower end of the upper die body is provided with a tip inserted into the settling tank, an outer wall of the tip is fitted with an inner wall of the settling tank, a gap for placing parts to be processed is arranged between the upper die body and the lower die body.

Abstract: A method for preparing aluminum foam sandwich material by rotating friction extrusion and electromagnetic pulse hybrid process includes: step 1: preparing the filler; step 2: processing the filler to prepare a plurality of preforms; step 3: clamping and fixing the plurality of preforms to form a preform assembly; step 4: welding the panel on the surface of the preform assembly to form an non-foaming sandwich material; step 5: heating and foaming the non-foaming sandwich material through a foaming mold; step 6: insulating the foaming mold after completion of foaming; injecting cooling water into the foaming mold after completion of insulation to maintain pressure and shape, forming the aluminum foam sandwich material of the required shape. The aluminum foam sandwich material produced by this method has good interface bonding, no adverse interface reaction, high bending resistance, impact resistance, and excellent sound absorption and insulation properties.

Abstract: An electromagnetic pulse additive device for a connection ring of a heavy-lift carrier rocket is provided. The device includes brackets, a gear disk rotatably matched with the annular ground rail through a plurality of rolls arranged in a circumferential direction of the gear disk, a first drive motor, an annular ground rail, and a guide rail in a semicircular shape arranged at top ends of the brackets. An output shaft of a first drive motor is fixedly provided with a first drive gear engaged with the gear disk. The guide rail is slidably provided with three lifting modules which respectively drive a bending module, an electromagnetic head arranged electromagnetic coil electrically connected with a capacitor and a discharge circuit, and a rotational friction and extrusion module including a second drive motor and a friction bar fixedly connected to an output shaft of the second drive motor to rise and fall.

Abstract: The present invention discloses an electromagnetic pulse-aided friction stir lock welding processing device and method, which comprises an upper die body and a lower die body. The upper end of the lower die body is provided with a frustum-shaped settling tank. The lower end of the upper die body is provided with a tip inserted into the settling tank, an outer wall of the tip is fitted with an inner wall of the settling tank, a gap for placing parts to be processed is arranged between the upper die body and the lower die body.

Abstract: An identify resolution system performs actions comprises a set-up process and an identity resolution process that executes asynchronously with respect to the set-up process. the set-up process includes accessing machine data including a plurality of event data objects, each event data object of the plurality of event data objects including timestamped raw machine-generated data indicative of performance or operation of one or more entities in a computer network environment. The identity resolution process ascertains the identity of an entity associated with the computer network environment, based on the association data in the data store, wherein the identity of the entity is not expressed directly in the association data in the data store.

Abstract: A method comprises acquiring anomaly data including a plurality of anomalies detected from streaming data, wherein each of the anomalies relates to an entity on or associated with a computer network. The method determines a risk score of each of the anomalies, and adjusts the risk score of an anomaly according to a set of factors. The method further determines, for each of a plurality of sliding time windows of different lengths, an entity score of the entity in relation to the sliding time window, based on an aggregation of risk scores of all anomalies related to the entity that were detected within the sliding time window, where the entity score corresponds to a risk level associated with the entity. An action to prevent the entity from performing an operation can be determined and caused to occur based on the entity score.

Abstract: An electromagnetic pulse additive device for a connection ring of a heavy-lift carrier rocket is provided. The device includes brackets, a gear disk rotatably matched with the annular ground rail through a plurality of rolls arranged in a circumferential direction of the gear disk, a first drive motor, an annular ground rail, and a guide rail in a semicircular shape arranged at top ends of the brackets. An output shaft of a first drive motor is fixedly provided with a first drive gear engaged with the gear disk. The guide rail is slidably provided with three lifting modules which respectively drive a bending module, an electromagnetic head arranged electromagnetic coil electrically connected with a capacitor and a discharge circuit, and a rotational friction and extrusion module including a second drive motor and a friction bar fixedly connected to an output shaft of the second drive motor to rise and fall.

Abstract: A water treatment system includes a flat plate rotating so as to be partially immersed in a raw water and an imaging device configured to image the flat plate to which microorganisms adhere. The water treatment system further includes a calculator configured to calculate an amount of the microorganisms adhering to the flat plate, a controller configured to control the water treatment system and a lighting device radiating light on the flat plate.

Abstract: The present disclosure discloses a welding gas shielding device, a laser filler wire welding system and a welding method. The welding gas shielding device comprises an upper shielding gas dragging cover device and a back shielding gas device. The laser filler wire welding system comprises a welding gas shielding device, a height adjusting mechanism, a wire feeding system, a laser system, a numerical control console and the like. The welding gas shielding device for narrow gaps made of dissimilar materials is reasonable in structural design, gas shielding can be carried out on the upper area and the lower area of a welding area in the welding process of the narrow gaps made of dissimilar materials, the problem that laser narrow-gap welding gas shielding is insufficient and unstable is solved, the weld joint cooling speed can be adjusted and controlled, the shielding effect is enhanced, and the welding efficiency is improved.

Abstract: A wastewater treatment apparatus includes a treatment mechanism that treats a wastewater containing an organic chromaticity component with an enzyme produced by Bacillus proteolyticus.

Abstract: The present invention discloses an automatic grinding device for weld beading on the inner wall of a pipeline with a large length to diameter ratio. The automatic grinding device includes a supporting module, and a walking module, a working module and a control module which are arranged on the supporting module, where the walking module is used for moving the supporting module to the butt welding position of the pipeline; the working module is used for grinding the weld beading; and the control module is used for controlling the actions of the walking module and the working module. When the pipeline rotates along the axial direction, the position of the grinding device can remain at the bottom of the pipeline, rather than rotating together with the pipeline, and the elimination of weld beading on the whole circumference at the butt welding position of the pipeline is realized.

Abstract: An additive repair device for internal threads is provided. The device includes a moving assembly, a rotating assembly, a speed regulation assembly, a gear assembly, an additive assembly, and a connecting assembly. The moving assembly includes a drive part and a linear movement mechanism. The additive assembly is connected to the linear movement mechanism through the connecting assembly. One end, which is far away from the drive part, of the linear movement mechanism is connected to an input end of the speed regulation assembly through the gear assembly. The rotating assembly includes a clutch mechanism and a clamping mechanism. The clutch mechanism includes a clutch outer gear and a clutch inner gear. The clutch outer gear is arranged at an output end of the speed regulation assembly. The clamping mechanism is fixed to one end, which is far away from the speed regulation assembly, of the clutch inner gear.

Abstract: A water treatment apparatus includes a flat plate and a remover. The flat plate rotates so as to be partially immersed in raw water and to which microorganisms that purify the raw water are attached. The remover removes part of the microorganisms adhering to the flat plate.

Abstract: The present invention discloses an adaptive and rapid repairing device for single roller, which includes a working module and a mechanical arm module, which are fixedly connected, where the mechanical arm module is connected with a movable module; the working module includes a supporting frame, symmetrical dovetail grooves are opened in two sides of the supporting frame, the dovetail grooves are movably connected with four sliding supports symmetrically arranged along the supporting frame; a connecting rod support penetrates the two through holes opened in the top of the sliding support, the top end of the connecting rod support is hinged with a long connecting rod; the supporting frame is provided with a worm gear mounting support, the worm gear mounting support is equipped with worm gears and worms through rotating shafts, and the worm is fixedly connected with an output shaft of a worm motor.

Abstract: The present invention discloses an adaptive and rapid repairing device for single roller, which includes a working module and a mechanical arm module, which are fixedly connected, where the mechanical arm module is connected with a movable module; the working module includes a supporting frame, symmetrical dovetail grooves are opened in two sides of the supporting frame, the dovetail grooves are movably connected with four sliding supports symmetrically arranged along the supporting frame; a connecting rod support penetrates the two through holes opened in the top of the sliding support, the top end of the connecting rod support is hinged with a long connecting rod; the supporting frame is provided with a worm gear mounting support, the worm gear mounting support is equipped with worm gears and worms through rotating shafts, and the worm is fixedly connected with an output shaft of a worm motor.

Abstract: The present invention discloses an automatic grinding device for weld beading on the inner wall of a pipeline with a large length to diameter ratio. The automatic grinding device includes a supporting module, and a walking module, a working module and a control module which are arranged on the supporting module, where the walking module is used for moving the supporting module to the butt welding position of the pipeline; the working module is used for grinding the weld beading; and the control module is used for controlling the actions of the walking module and the working module. When the pipeline rotates along the axial direction, the position of the grinding device can remain at the bottom of the pipeline, rather than rotating together with the pipeline, and the elimination of weld beading on the whole circumference at the butt welding position of the pipeline is realized.