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Penziopolis
DVA DOPISY O JEDNOM MĚSTĚ Jiří Vogl v dopise adresovaném Josefu Rybákovi vzpomíná na Písek svého dětství a mládí ve 20. a 30. letech 20. století. Vykresluje živé město se svéráznými obyvateli a jedinečnou atmosférou. Jeho poutavý a poetický styl, okořeněný ironií a humorem, udělal z dopisu pamětníka – už tak unikátního dokumentu – pozoruhodné literární dílo. Petr Mano jím byl téměř padesát let po jeho vzniku okouzlen natolik, že se rozhodl Jiřímu Voglovi odepsat a vylíčit mu totéž město, jak ho poznal od 80. let až do současnosti. Když se baráky kolem řeky proměnily během jediného roku v troudnou suť, zmizeli potkani spolu s ni...
Root Ecology
In the course of evolution, a great variety of root systems have learned to overcome the many physical, biochemical and biological problems brought about by soil. This development has made them a fascinating object of scientific study. This volume gives an overview of how roots have adapted to the soil environment and which roles they play in the soil ecosystem. The text describes the form and function of roots, their temporal and spatial distribution, and their turnover rate in various ecosystems. Subsequently, a physiological background is provided for basic functions, such as carbon acquisition, water and solute movement, and for their responses to three major abiotic stresses, i.e. hard soil structure, drought and flooding. The volume concludes with the interactions of roots with other organisms of the complex soil ecosystem, including symbiosis, competition, and the function of roots as a food source.
Numerical Methods for Least Squares Problems
The method of least squares was discovered by Gauss in 1795. It has since become the principal tool to reduce the influence of errors when fitting models to given observations. Today, applications of least squares arise in a great number of scientific areas, such as statistics, geodetics, signal processing, and control. In the last 20 years there has been a great increase in the capacity for automatic data capturing and computing. Least squares problems of large size are now routinely solved. Tremendous progress has been made in numerical methods for least squares problems, in particular for generalized and modified least squares problems and direct and iterative methods for sparse problems. Until now there has not been a monograph that covers the full spectrum of relevant problems and methods in least squares. This volume gives an in-depth treatment of topics such as methods for sparse least squares problems, iterative methods, modified least squares, weighted problems, and constrained and regularized problems. The more than 800 references provide a comprehensive survey of the available literature on the subject.
I Had Nowhere to Go
Jonas Mekas has worked together with Andy Warhol, George Maciunas, John Lennon, and many others. In New York he was an influential figure in the New American Cinema, although he came to film-making relatively late. In 1944 Mekas and his younger brother Adolfas had to flee from the Nazis for copying leaflets. They were interned for eight months in a labour camp in Elmshorn. The Soviet occupation prevented him from returning to his native Lithuania after the war and, classed as a ?displaced person?, he lived in DP camps in Wiesbaden and Kassel. Towards the end of 1949 he and his brother emigrated to New York. In his autobiography 'I Had Nowhere to Go' he describes his survival in the camps and his arrival in New York. Mekas tells a universal story, that of an émigré who can never go back, whose loneliness in his new world is emblematic of human existence.
Cosmic Rays at Earth
In 1912 Victor Franz Hess made the revolutionary discovery that ionizing radiation is incident upon the Earth from outer space. He showed with ground-based and balloon-borne detectors that the intensity of the radiation did not change significantly between day and night. Consequently, the sun could not be regarded as the sources of this radiation and the question of its origin remained unanswered. Today, almost one hundred years later the question of the origin of the cosmic radiation still remains a mystery.Hess' discovery has given an enormous impetus to large areas of science, in particular to physics, and has played a major role in the formation of our current understanding of universal ...
Handbook of Chiral Chemicals
As pharmaceutical companies look to develop single enantiomers as drug candidates, chemists are increasingly faced with the problems associated with this subclass of organic synthesis. "The Handbook of Chiral Chemicals, Second Edition" highlights the problems associated with the production of chiral compounds on a commercial scale. The handbook fir
Can You Hear The Trees Talking?
WINNER OF THE AAAS/SUBARU PRIZE FOR EXCELLENCE IN SCIENCE BOOKS BASED ON THE NEW YORK TIMES BESTSELLER THE HIDDEN LIFE OF TREES This interactive and illustrated book for kids aged 8-10 introduces the wonderful science of the forest through outdoor activities, quizzes, fun facts, photographs, and more! Discover the secret life of trees with this nature and science book for kids: Can You Hear the Trees Talking? shares the mysteries and magic of the forest with young readers, revealing what trees feel, how they communicate, and the ways trees take care of their families. The author of The Hidden Life of Trees, Peter Wohlleben, tells kids about the forest internet, aphids who keep ants as pets, ...
Hypoxia and the Circulation
Just one of a series of volumes on differing aspects of hypoxia, this authoritative text focuses on cutting-edge research at the interface of hypoxia and biomedicine. Hypoxia – or lack of oxygen – is a constant threat to the human body and its vital organs, one that can take its toll in a number of situations. There are many situations in which the threat is heightened in health and disease, but mechanisms have evolved to lessen its detrimental effects. The International Hypoxia Symposia was founded to enable scientists, clinicians, physiologists, immunologists, mountaineers and other interested individuals to share their experiences of the situations associated with the lack of oxygen and the adaptations that allow us to survive.
