Hydrogen darkening

Known as: Darkening 
Hydrogen darkening is a physical degradation of the optical properties of glass. Free hydrogen atoms are able to bind to the SiO2 silica glass… (More)
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Highly Cited
2010
Highly Cited
2010
Converters for photovoltaic (PV) systems usually consist of two stages: a dc/dc booster and a pulsewidth modulated (PWM) inverter… (More)
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Highly Cited
2009
Highly Cited
2009
In functional brain imaging there is controversy over which hemodynamic signal best represents neural activity. Intrinsic signal… (More)
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Highly Cited
2008
Highly Cited
2008
Boreal spring climate is uniquely susceptible to solar warming mechanisms because it has expansive snow cover and receives… (More)
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Highly Cited
2007
Highly Cited
2007
[1] We apply our Snow, Ice, and Aerosol Radiative (SNICAR) model, coupled to a general circulation model with prognostic carbon… (More)
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Highly Cited
2001
Highly Cited
2001
Anamorph genera associated with Mycosphaerella are separated on a combination of characters such as conidiomatal structure, the… (More)
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Highly Cited
2000
Highly Cited
2000
Inside color effectively darkening the history of just noticeable color. The numerous color matching functions for example… (More)
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Highly Cited
1996
Highly Cited
1996
Overactivation of calcium-activated neutral protease (calpain) has been implicated in the pathophysiology of several degenerative… (More)
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Highly Cited
1987
Highly Cited
1987
Stomatal pores in leaves enable plants to regulate the exchange of gases with their environment. Variations of the pore aperture… (More)
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Highly Cited
1974
Highly Cited
1974
J q,•.=I:Pi,Vt;, i-I f "'(~)d~=1 and "'W~O of the variation of star density along a line-of-sight from the distribution of proper… (More)
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Highly Cited
1959
Highly Cited
1959
In this paper, we analyze the activity of single fibers in the optic nerve of a frog. Our method is to find what sort of stimulus… (More)
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