نتایج جستجو برای: evolution relations
تعداد نتایج: 482398 فیلتر نتایج به سال:
In this paper, we introduce a new measure of personal ethics in the form of marital cheating to examine the relationship between personal ethics and corporate misconduct. Firms with CEOs and CFOs who use a marital infidelity website are more than twice as likely to engage in two forms of corporate misconduct. The relationship is not explained by a wide range of regional, firm, and executive cha...
A distinction between forms of social identity formation in small interactive groups is investigated. In groups in which a common identity is available or given, norms for individual behavior may be deduced from group properties (deductive identity). In groups in which interpersonal relations are central, a group identity may also be induced from individual group members' contributions, making ...
In this paper, we describe a novel user interface for the visual defin ition of temporal abstractions based on a set of intuitive metaphors, which re present both temporal features and logical relations of abstractions.
We investigate the evolution of clusters of galaxies in a sample of distant clusters with redshifts between 0.3 and 1.0. We show the abilities and limitations of combined ROSAT and ASCA data to draw cosmological conclusions. For the first time bolometric luminosities, masses, gas masses, gas mass fractions, and iron masses are derived in such a distant sample in a consistent way. We compare the...
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We predict the evolution of galaxy scaling relationships from cosmological, hydrodynamical simulations, that reproduce the scaling relations of present-day galaxies. Although we do not assume co-evolution between galaxies and black holes a priori, we are able to reproduce the black hole mass–velocity dispersion relation. This relation does not evolve, and black holes actually grow along the rel...
The measurement and evaluation of public relations effectiveness has long been a major professional and research issue. In the first half of the 20th century, there were two research methods applied, opinion polls and basic media analysis. These were used to plan campaigns and monitor progress of media relations activities. In the second half of the century, as the practices of public relations...
Early-type galaxies are characterized by many scaling relations. Evolutionary classifications find that some of these correlations are indeed generated by diversification. With a simple mathematical formalism, we show (Fraix-Burnet 2011) that even the so-called fundamental plane, a relatively tight correlation between three variables, can be easily explained as the artifact of the effect of ano...
Robust relations between CCN and the vertical evolution of cloud drop size distribution in deep convective clouds E. Freud, D. Rosenfeld, M. O. Andreae, A. A. Costa, and P. Artaxo Institute of Earth Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel Department of Applied Environmental Sciences, Stockholm University, Stockholm, Sweden Biogeochemistry Department, Max Planck Institute...
Bacteria are the only organisms known to actively take up DNA and recombine it into their genomes. While such natural transformation systems may provide many of the same benefits that sexual reproduction provides eukaryotes, there are important differences that critically alter the consequences, especially when recombination's main benefit is reducing the mutation load. Here, analytical and num...
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