Results 291 to 300 of about 168,319 (335)

The impacts of the cold fronts on thermal stratification and water quality in a tropical reservoir (Brazil)

, 2010
Stech, José Luis, Enner Alcântara, João A. Lorenzzetti, Evlyn Márcia Leão de Moraes Novo, Arcilan T. Assireu   +4 more
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Switchgrass Population and Cold–Moist Stratification Mediate Germination

Crop Science, 2015
ABSTRACTSwitchgrass (Panicum virgatum L.) breeding and selection have enhanced the agronomic qualities of this species as a crop for forage and bioenergy applications. Previous work has characterized variation in phenotypic traits (e.g., survival, biomass yield, and cell wall carbohydrates) among wild and cultivated populations.
James O. Eckberg, Michael D. Casler, Gregg A. Johnson, Laura L. Seefeldt, Karen E. Blaedow, Ruth G. Shaw   +5 more
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Fluent analysis of a ROSA cold leg stratification test

Nuclear Engineering and Design, 2010
One of the OECD ROSA project tests, investigating temperature stratification in the cold legs and the downcomer during ECCS water injection under single-phase natural circulation conditions was analysed with the FLUENT code. The guidance given in the “Best Practice Guidelines for the Use of CFD in Nuclear Reactor Safety Applications” of the OECD GAMA ...
T. Farkas, I. Tóth
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Phenomenon of Mechanoinduced Atomic Stratification in Alloys under Cold Plastic Strain

Russian Physics Journal, 2001
Low-temperature (24°C) redistribution of nickel in K12N30 and K12N40 stable austenitic steels under strong (e > 9) cold shear strain at a pressure of 8 GPa is investigated. The strain-induced atomic stratification of FCC alloys is identified from the enhanced alloy magnetization and the occurrence of ferromagnetic microregions with vastly higher Curie ...
A. I. Deryagin, V. A. Zavalishin, V. V. Sagaradze, A. P. Kuznetsov   +3 more
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Cold Soaking—A Short-Cut Substitute for Stratification?

Journal of Forestry, 1950
Abstract Exploratory tests indicate that cold-water soaking of seeds of some Lake States conifers for one to two weeks may be as effective in overcoming internal dormancy as cold stratification for one to three months.
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Does cold stratification level out differences in seed germinability between populations?

Plant Ecology, 1998
Populations of seeds can vary greatly in their dormancy-breaking and germination characteristics. The purpose of this study was to determine if such dormancy differences are levelled out by cold stratification. Seeds of 33 annual weed species, each represented by three populations, were tested in light and darkness 7 weeks after harvest and after two ...
Per Milberg, Lars Andersson
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