Results 301 to 310 of about 10,682,507 (345)
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The Luminosity function and stellar evolution
, 1955The evolutionary significance of the observed luminosity function for main-sequence stars in the solar neighborhood is discussed. The hypothesis is made that stars move off the main sequence after burning about 10 per cent of their hydrogen mass and that
E. Salpeter
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Noble metal-free hydrogen evolution catalysts for water splitting.
Chemical Society Reviews, 2015Sustainable hydrogen production is an essential prerequisite of a future hydrogen economy. Water electrolysis driven by renewable resource-derived electricity and direct solar-to-hydrogen conversion based on photochemical and photoelectrochemical water ...
Xiaoxin Zou, Yu Zhang
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The Evolution of Parental Care
, 2019Synthesizing studies of parental care in a wide variety of animals, this book is the first attempt to provide general answers to the following important questions: Why does the extent of parental care vary so widely between species?
T. Clutton‐Brock
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The concept of a tourist area cycle of evolution: implications for management of resources.
, 1980The concept of a recognizable cycle in the evolution of tourist areas is presented, using a basic s curve to illustrate their waving and waning popularity.
R. Butler
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Geologic Evolution of the Himalayan-Tibetan Orogen
, 2000A review of the geologic history of the Himalayan-Tibetan orogen suggests that at least 1400 km of north-south shortening has been absorbed by the orogen since the onset of the Indo-Asian collision at about 70 Ma.
A. Yin, T. Harrison
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Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination
, 1998Introduction. Ecologically Meaningful Germination Studies. Types of Seed Dormancy. Germination Ecology of Seeds with Nondeep Physiological Dormancy. Germination Ecology of Seeds with Morphophysiological Dormancy.
C. Baskin, J. Baskin
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The geochemical evolution of the continental crust
, 1995A survey is given of the dimensions and composition of the present continental crust. The abundances of immobile elements in sedimentary rocks are used to establish upper crustal composition. The present upper crustal composition is attributed largely to
S. Taylor, S. McLennan
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Selection and the evolution of industry
, 1981Proposes a theory that explains why smaller firms have higher and more variable growth rates than larger firms. Relying on employer heterogeneity and market selection to generate patterns of employer growth and failure, the model states that efficient ...
Boyan Jovanovic
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