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Researchers offer look into 'central engine' powering a solar flare（图）
Researchers offer look central engine powering solar flare
2020/7/31
In a U.S. National Science Foundation-funded study published in Nature Astronomy, an international team of researchers has presented a new, detailed look inside the "central engine" of a lar...
ESTIMATION OF REVISED CAPACITY IN GOBIND SAGAR RESERVOIR USING GOOGLE EARTH ENGINE AND GIS
NDWI Capacity curve Sedimentation Cumulative Capacity Water-Spread Area Google Earth Engine GIS Satellite Data
2019/2/28
Capacity studies of reservoirs are important to evaluate sedimentation and optimize reservoir operation schedule based on realistic assessment of available storage. Capacity study at regular interval ...
COPERNICUS BIG DATA AND GOOGLE EARTH ENGINE FOR GLACIER SURFACE VELOCITY FIELD MONITORING: FEASIBILITY DEMONSTRATION ON SAN RAFAEL AND SAN QUINTIN GLACIERS
Big Data Google Earth Engine Sentinel-1 Glacier velocity field SAR off-set tracking San Rafael Glacier San Quintin Glacier
2018/5/11
The glaciers are a natural global resource and one of the principal climate change indicator at global and local scale, being influenced by temperature and snow precipitation changes. Among the parame...
Four-Stroke Engine Cycle Produces Hydrogen from Methane and Captures CO2
Four-Stroke Engine Cycle Produces Hydrogen Methane CO2
2017/3/14
When is an internal combustion engine not an internal combustion engine? When it’s been transformed into a modular reforming reactor that could make hydrogen available to power fuel cells wherever the...
Revving the microbial engine:Horsepower versus fuel efficiency in bacterial genomes
Revving the microbial engine Horsepower fuel efficiency bacterial genomes
2016/9/29
Microbes that can reproduce rapidly in times of plenty have an evolutionary stockpile of extra genes that allows them to quickly respond to changing conditions such as oil spills or outbreaks of intes...
Various distributed engine control architectures are presented. Different elements of this architecture include semi-autonomous (aka smart) nodes, digital network communications, data concentrators an...
A CACHE DESIGN METHOD FOR SPATIAL INFORMATION VISUALIZATION IN 3D REAL-TIME RENDERING ENGINE
Memory cache Disk cache 3D Rendering Engine Multi-thread, Replacement policy
2014/4/25
A well-designed cache system has positive impacts on the 3D real-time rendering engine. As the amount of visualization data getting larger, the effects become more obvious. They are the base of the 3D...
Photo-driven Molecular Wankel Engine B$_{13}^+$
Photo-driven Molecular Wankel Engine Chemical Physics
2012/4/20
We report a molecular Wankel motor, the dual-ring structure B13+, driven by circularly-polarized infrared electromagnetic radiation, under which a guided uni-directional rotation of the outer ring is ...
Free Energy and Internal Combustion Engine Cycles
Free Energy Internal Combustion Engine Cycles Chemical Physics
2012/5/17
The performance of one type (Carnot) of Internal Combustion Engine (ICE) cycle is analyzed within the framework of thermodynamic free energies. ICE performance is different from that of an External Co...
Research on the state space reconstruction applying in fault diagnosis of Diesel engine
State space reconstruction Phase Diagram Analysis
2010/9/25
Analyzing the data of diesel surface vibration acceleration monitoring, the method of state space reconstruction was applied. Processing the vibration acceleration signal via integration and filtering...
Fe-K line probing of material around the AGN central engine with Suzaku
galaxies active — galaxies Seyfert — X-rays galaxies
2010/11/11
We systematically analyzed the high-quality Suzaku data of 88 Seyfert galax-ies, about 31% of which are Compton-thick AGNs. We obtained a clear relation between the absorption column density and the e...
Instabilities in the Gamma Ray Burst central engine. What makes the jet variable?
High Energy Astrophysical Phenomena (astro-ph.HE)
2010/12/24
Both types of long and short gamma ray bursts involve a stage of a hyper-Eddington accretion of hot and dense plasma torus onto a newly born black hole. The prompt gamma ray emission originates in jet...
Power and efficiency performances of a micro thermal Brownian heat engine with and without external forces
Brownian heat engine power output efficiency current performance characteristics
2010/6/30
Power and efficiency performances of a thermal Brownian heat engine, which consists of Brownian particles
moving in a periodic sawtooth potential with and without external forces and contacting with ...
Tyre model of PNT engine
Tyre model PNT engine
2015/6/5
In terms of the PNT volitional control of atomic reciprocal PNT combination in accordance with dynamic rationale of PNT engine, the key technological issue of PNT engine is the regular & volitional co...
Secondary organic aerosol production from modern diesel engine emissions
Secondary organic aerosol production modern diesel engine emissions
2010/2/1
Secondary organic aerosol (SOA) production was observed at significant levels in a series of modern diesel exhaust (DE) aging experiments conducted at the European Outdoor Photoreactor/Simulation Cham...