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Advanced Materials Technologies, EarlyView.This work presents an innovative spin‐on SiOx‐assisted inkjet‐printed approach to form localized n+ and p+ poly‐Si/SiOx passivating contacts for high‐efficiency silicon solar cells within a single‐annealing step. The developed process results in a well‐defined interdigitated doping pattern, with unintended doping and cross‐doping concentrations ...
Jiali Wang +8 more
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Heavy Problems For Heavy Water
Chemical & Engineering News Archive, 2012Last December, Ontario Power Generation sent a letter to a small group of customers informing them that it would stop selling deuterium oxide by the end of 2012. The company, a nuclear power producer that is the main supplier of electricity to the Canadian province, told the customers that it was keeping the material for itself.
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Science, 1933
THE Raman spectrum of 80 per cent heavy water obtained with a sample supplied by Prof. H. S. Taylor of Princeton, when compared with the spectrum of the 18 per cent material previously reported1, shows that the water molecule with two atoms of heavy hydrogen gives a Raman band with a frequency difference of 2517, while the molecule with one atom of ...
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THE Raman spectrum of 80 per cent heavy water obtained with a sample supplied by Prof. H. S. Taylor of Princeton, when compared with the spectrum of the 18 per cent material previously reported1, shows that the water molecule with two atoms of heavy hydrogen gives a Raman band with a frequency difference of 2517, while the molecule with one atom of ...
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CULTIVATION OF MICROORGANISMS IN HEAVY WATER*
Annals of the New York Academy of Sciences, 1960Data are presented on the culture of a variety of algae and other microorganisms in highly deuterated systems. Growth rates for the unicellular green algae Scenedesmus obliquss and Chlorella ralgaris in 99.6% D/sub 2/O were improved so that they approach one-half the rates in H/sub 2/O nutrient media. S.
H L, CRESPI +3 more
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Light- and heavy-water dynamics
Physica B: Condensed Matter, 2000Abstract We show first results of an analysis of the dynamics of water as observed by neutron scattering, based on a model common to both isotopic forms, H2O and D2O. Using incoherent scattering results from H2O, and the liquid structure factor of D2O, we show that within the framework of an approximation of decoupled motions, the H2O and D2O spectra
S Longeville, R.E Lechner
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Fragmentation of Water by Heavy Ions
Physical Review Letters, 2005Absolute cross sections for fragmentation of water molecules by C3+ and O5+ ions over an energy region where the Bragg peak maximizes were measured for ionization, electron capture, and electron loss channels. A collision regime where sigmaSigmaOq+> or =sigmaH2O+ was reached for the first time, producing large abundances of H+ and O+ fragments in ...
H, Luna, E C, Montenegro
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Membrane permeability of heavy water
Biochimica et Biophysica Acta (BBA) - Biomembranes, 1971Abstract Hydrodynamic permeability, thermoosmotic permeability and thermoosmotic pressures of liquid H2O and 2H2O have been measured and heats of transport estimated. Similar measurements have been made for solutions of KCl in H2O and 2H2O using a copper ferrocyanide impregnated membrane.
R P, Rastogi, P C, Skukla, B, Yadava
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From heavy water to heavy aldehydes
Nature Catalysis, 2019Simple methods to incorporate deuterium into organic compounds are highly sought after as deuteration can enable mechanistic studies or improve the metabolic stability of pharmaceuticals. Now, a catalytic hydrogen–deuterium exchange reaction using deuterated water allows convenient access to deuterated aldehyde building blocks.
Sarah M. Anthony +3 more
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