منابع مشابه
The 2012 Genetics Society of America Medal: Joanne Chory.
AS a senior graduate student contemplating my postdoctoral options, I was struck by the paper “Arabidopsis thaliana mutant that develops as a light-grown plant in the absence of light” (Chory et al. 1989). The temerity of looking for mutant plants that developed as if in the light when in the dark, along with the fact that this idea was only then being brought to fruition, was striking. The pos...
متن کاملAn outbreak of coronavirus OC43 respiratory infection in Normandy, France.
The 2 groups of human coronaviruses (HCoVs) represented by the prototype strains HCoV 229E and HCoV OC43 are mostly known as viruses responsible for common cold syndrome. HCoVs are difficult to detect, and epidemiological data are rare. From October 2000 through April 2001, we tested 1803 respiratory samples for HCoV by reverse-transcriptase polymerase chain reaction. From 8 February through 27...
متن کاملDispersion Evaluation In Optical Wave Guides
One of the factors which limits the transmission capacity of the fiber optics communication channel is the material dispersion. Exact analytical study of the material dispersion is often complex and involves calculating the derivatives of the refractive index of the core. These calculations are too cumbersome to do, especially for high-order derivatives. So material dispersion has only been stu...
متن کاملSCRC Collection Guides
Links: [1] http://www.lib.siu.edu/collections [2] http://collections.carli.illinois.edu/cdm4/index_sic_degypt.php?CISOROOT=/sic_d egypt [3] http://libguides.lib.siu.edu/content.php?pid=593927 [4] http://libguides.lib.siu.edu/localhistory [5] http://libguides.lib.siu.edu/carbondalehistory [6] http://libguides.lib.siu.edu/philcollections [7] http://libguides.lib.siu.edu/content.php?pid=58190&...
متن کاملHow evolution guides complexity.
Long-standing debates about the role of natural selection in the growth of biological complexity over geological time scales are difficult to resolve from the paleobiological record. Using an evolutionary model-a computational ecosystem subjected to natural selection-we investigate evolutionary trends in an information-theoretic measure of the complexity of the neural dynamics of artificial age...
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ژورنال
عنوان ژورنال: The Geographical Journal
سال: 1911
ISSN: 0016-7398
DOI: 10.2307/1777913