Sedimentary Structures in Lake Abashiri inferred from Continuous Seismic Profiling using “UNIBOOM”
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Cyanophage diversity, inferred from g20 gene analyses, in the largest natural lake in France, Lake Bourget.
The genetic diversity of the natural freshwater community of cyanophages and its variations over time have been investigated for the first time in the surface waters of the largest natural lake in France. This was done by random screening of clone libraries for the g20 gene and by denaturing gradient gel electrophoresis (DGGE). Nucleotide sequence analysis revealed 35 distinct cyanomyovirus g20...
متن کاملCyanophage Diversity Inferred from g20 Gene Analyses in the Largest Natural French Lake, Lake Bourget
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Continuous Discrete Variable Optimization of Structures Using Approximation Methods
Optimum design of structures is achieved while the design variables are continuous and discrete. To reduce the computational work involved in the optimization process, all the functions that are expensive to evaluate, are approximated. To approximate these functions, a semi quadratic function is employed. Only the diagonal terms of the Hessian matrix are used and these elements are estimated fr...
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Lake Sayram is an ancient cold water lake locating at a mountain basin in Xinjiang, China. The lake water is brackish, alkaline, unpolluted, and abundant in SO4(2-) and Mg(2+). The lacustrine ecosystem of Lake Sayram has been intensely investigated. However, profiles of the microbial communities in the lake remain largely unknown. In this study, taxonomic compositions of the planktonic and sedi...
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ژورنال
عنوان ژورنال: Japanese Journal of Limnology (Rikusuigaku Zasshi)
سال: 1978
ISSN: 0021-5104,1882-4897
DOI: 10.3739/rikusui.39.61