Abstract: Embodiments of this application provide a WLAN communication apparatus and a control method. The method includes: adjusting power consumption of an external LNA based on a WLAN signal, to dynamically adjust the power consumption of the external LNA based on an actual requirement, so that the power consumption of the external LNA is reduced while a service requirement is ensured, and further, overall power consumption of a device is reduced.

Abstract: A patterned epitaxial structure laser lift-off device, including a substrate, reshaping structures, a transmittance adjustment structure, a patterned epitaxial structure, gas transmission systems, an ultraviolet source, a lift-off chamber and a light entry window. The gas transmission systems are at two sides of the lift-off chamber; the light entry window is on the lift-off chamber; the ultraviolet source is above the outside of the light entry window; the patterned epitaxial structure is inside the lift-off chamber; the substrate is on the patterned epitaxial structure. The patterned epitaxial structure includes an epitaxial structure, a sapphire substrate, patterned structures, oblique interfaces and planar interfaces, several patterned structures being uniformly designed on the epitaxial structure, each of the patterned structures being a V-shaped groove structure formed by two oblique interfaces, two adjacent patterned structures being connected by means of a planar interface.

Abstract: A system for alarm correlation and aggregation. The system includes a computing device. The computing device has a process and a storage device storing computer executable code. The computer executable code, when executed at the processor, is configured to: provide a plurality of alarms triggered by components of the system; provide aggregation patterns; perform iteratively until a criterion is met: generating itemsets from the alarms using the aggregation patterns, computing a new aggregation pattern from the generated itemsets using frequent itemset mining, and updating the aggregation pattern using the new aggregation pattern to obtain updated aggregation patterns; and aggregate the alarms using the updated aggregation patterns to obtain aggregated alarms.

Abstract: A system for alarm correlation and aggregation. The system includes a computing device. The computing device has a process and a storage device storing computer executable code. The computer executable code, when executed at the processor, is configured to: provide a plurality of alarms triggered by components of the system; provide aggregation patterns; perform iteratively until a criterion is met: generating itemsets from the alarms using the aggregation patterns, computing a new aggregation pattern from the generated itemsets using frequent itemset mining, and updating the aggregation pattern using the new aggregation pattern to obtain updated aggregation patterns; and aggregate the alarms using the updated aggregation patterns to obtain aggregated alarms.

Abstract: A patterned epitaxial structure laser lift-off device, including a substrate, reshaping structures, a transmittance adjustment structure, a patterned epitaxial structure, gas transmission systems, an ultraviolet source, a lift-off chamber and a light entry window. The gas transmission systems are at two sides of the lift-off chamber; the light entry window is on the lift-off chamber; the ultraviolet source is above the outside of the light entry window; the patterned epitaxial structure is inside the lift-off chamber; the substrate is on the patterned epitaxial structure. The patterned epitaxial structure includes an epitaxial structure, a sapphire substrate, patterned structures, oblique interfaces and planar interfaces, several patterned structures being uniformly designed on the epitaxial structure, each of the patterned structures being a V-shaped groove structure formed by two oblique interfaces, two adjacent patterned structures being connected by means of a planar interface.

Abstract: This invention belongs to the field of biomass energy utilization at the large scale. A material stirring device for a biomass bin includes a transmission mechanism, a main stirring mechanism, and an auxiliary stirring mechanism. The main stirring mechanism includes a cylinder connected to the transmission mechanism. The outer wall of the cylinder is provided with a hollow stirring rod. The auxiliary stirring mechanism includes a rotating shaft vertically penetrating through the hollow stirring rod. Both ends of the rotating shaft are provided with stirring blades and the rotating shaft is connected to the transmission mechanism. That the stirring device is easily damaged due to too high density of the biomass material is overcome through the automatic conversion adjustment of the main and auxiliary stirring mechanisms. The continuous discharge efficiency of the biomass bin is improved by the organic integration of over and partial stirring.

Abstract: This invention belongs to the field of biomass energy utilization at the large scale. A material stirring device for a biomass bin includes a transmission mechanism, a main stirring mechanism, and an auxiliary stirring mechanism. The main stirring mechanism includes a cylinder connected to the transmission mechanism. The outer wall of the cylinder is provided with a hollow stirring rod. The auxiliary stirring mechanism includes a rotating shaft vertically penetrating through the hollow stirring rod. Both ends of the rotating shaft are provided with stirring blades and the rotating shaft is connected to the transmission mechanism. That the stirring device is easily damaged due to too high density of the biomass material is overcome through the automatic conversion adjustment of the main and auxiliary stirring mechanisms. The continuous discharge efficiency of the biomass bin is improved by the organic integration of over and partial stirring.

Abstract: A plunger type water pump mainly comprises a cavity body, a rotary main shaft and a plunger flow-distributing unit. The plunger flow-distributing unit comprises a flat valve assembly, a plunger-shoe assembly and a supporting valve assembly. The plunger-shoe assembly divides the cavity body into a high-pressure cavity and a low-pressure cavity independent of each other. The high-pressure cavity is in fluid communication with the flat valve assembly; and the low-pressure cavity is in fluid communication with the supporting valve assembly. The high-pressure water and the low-pressure water are independent of each other. This arrangement ensures a high volumetric efficiency of the water pump under ultra-high-pressure conditions and provides fluid support and lubrication for a friction coupling under high-speed heavy-load conditions to prolong the service life of the water pump.

Abstract: Methods and systems are provided that may be utilized to recommend content to a user.

Abstract: The present disclosure provides a plunger type water pump, which mainly comprises a cavity body, a rotary main shaft and a plunger flow-distributing unit. The plunger distributing unit comprises a flat valve assembly, a plunger-shoe assembly and a supporting valve assembly; the plunger-shoe assembly divides the cavity body into a high-pressure cavity and a low-pressure cavity independent of each other; the high-pressure cavity is in fluid communication with the flat valve assembly; and the low-pressure cavity is in fluid communication with the supporting valve assembly. According to the present disclosure, the high-pressure water and the low-pressure water are independent of each other. This can ensure a high volumetric efficiency of the water pump under ultra-high-pressure conditions and surely provide the fluid supporting and lubrication for a friction coupling under high-speed heavy-load conditions so as to prolong the service life of the water pump.

Abstract: A method and system is provided for storing and manipulating customer purchase information received from a plurality of sources. A computer system may be used comprising a storage device for storing the customer purchase information and a processor for processing the customer purchase information. The method may include receiving the customer purchase information; organizing the customer purchase information within a predetermined organizational structure; creating a customer preference based at least in part on the customer purchase information; and aggregating customer purchases for merchant classes based on the customer purchase information so as to generate aggregated customer purchase information. The method may further include generating marketing information based on at least one of the customer preference and the aggregated customer purchase information.