Results 31 to 40 of about 199,320 (146)

The detection and tracking of mine-water pollution from abandoned mines using electrical tomography [PDF]

open access: yes, 2009
Increasing emphasis is being placed on the environmental and societal impact of mining, particularly in the EU, where the environmental impacts of abandoned mine sites (spoil heaps and tailings) are now subject to the legally binding Water Framework and ...
Chambers, J.E.   +6 more
core  

The Conversion of CESR to Operate as the Test Accelerator, CesrTA, Part 2: Vacuum Modifications

open access: yes, 2015
Cornell's electron/positron storage ring (CESR) was modified over a series of accelerator shutdowns beginning in May 2008, which substantially improves its capability for research and development for particle accelerators.
Billing, M. G., Li, Y.
core   +1 more source

Energy Storage Technologies for Smoothing Power Fluctuations in Marine Current Turbines [PDF]

open access: yes, 2014
With regard to marine renewable energies, significant electrical power can be extracted from marine tidal current. However, the power harnessed by a marine current turbine varies due to the periodicity of the tidal phenomenon and could be highly ...
BENBOUZID, Mohamed   +4 more
core   +2 more sources

Earth Potential Electrodes in Permafrost and Tundra [PDF]

open access: yes, 1957
Introduction : During the past two years, the authors installed a number of electrodes in the permafrost and tundra area of Point Barrow to obtain earth potential data.
Franzke, A. R., Hessler, V. P.
core   +2 more sources

Experimental Study on an Electrical Deicing Technology Utilizing Carbon Fiber Tape [PDF]

open access: yes, 2012
INE/AUTC 12 ...
Singla, Mithun   +3 more
core  

Research Advances and Prospect of Intelligent Monitoring Systems for the Physiological Indicators of Beef Cattle

open access: yes智慧农业
SignificanceThe beef cattle industry plays a pivotal role in the development of China's agricultural economy and the enhancement of people's dietary structure.
ZHANG Fan   +6 more
doaj   +1 more source

Insensitivity of Ion Motional Heating Rate to Trap Material over a Large Temperature Range

open access: yes, 2013
We present measurements of trapped-ion motional-state heating rates in niobium and gold surface-electrode ion traps over a range of trap-electrode temperatures from approximately 4 K to room temperature (295 K) in a single apparatus.
Chiaverini, J., Sage, J. M.
core   +1 more source

Application of a Vertical Electrical Resistivity Array (VERA) for monitoring CO2 migration at the Ketzin site: First performance evaluation

open access: yes, 2011
At the CO2 storage site Ketzin, near Berlin (Germany), an integrated monitoring concept has been applied for characterization of the reservoir state before and during CO2 injection.
C. Schmidt-Hattenberger   +5 more
semanticscholar   +1 more source

Controlling trapping potentials and stray electric fields in a microfabricated ion trap through design and compensation

open access: yes, 2012
Recent advances in quantum information processing with trapped ions have demonstrated the need for new ion trap architectures capable of holding and manipulating chains of many (>10) ions. Here we present the design and detailed characterization of a new
Alexa W Harter   +22 more
core   +1 more source

ADVANCES OF ORBITAL GAS TUNGSTEN ARC WELDING FOR BRAZILIAN SPACE APPLICATIONS – EXPERIMENTAL SETUP

open access: yesJournal of Aerospace Technology and Management, 2011
The present work describes details of the several steps of the technology involved for the orbital Gas Tungsten Arc Welding (GTAW) process of pure commercially titanium tubes.
José A. Orlowski de Garcia   +4 more
doaj  

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