Описание: Explores the confluence of human and environmental change on ten of the great rivers of the world. Ranging from the Yellow River in China to Central Europe`s Danube, this book shows us how pollution, such as in the Ganges and in the Ob of Siberia, has affected biodiversity in the water.
Автор: Herbert J.A. Dartnall Название: Photochemistry of Vision ISBN: 3642650686 ISBN-13(EAN): 9783642650680 Издательство: Springer Рейтинг: Цена: 16979.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Radiation can only affect matter if absorbed by it. Within the broad range of 300-1000 nm, which we call "the visible," light quanta are energetic enough to produce excited electronic states in the atoms and molecules that absorb them. In these states the molecules may have quite different properties from those in their dormant condition, and reactions that would not otherwise occur become possible. About 80 % of the radiant energy emitted by our sun lies in this fertile band, and so long as the sun's surface temperature is maintained at about 6000 C this state of affairs will continue. This and the transparency of our atmosphere and waters have allowed the generation and evolution of life. Before life began the atmosphere probably also transmitted much of the solar short-wave radiation, but with the rise of vegetation a new product - oxygen - appeared and this, by a photochemical reaction in the upper atmosphere, led to the ozone layer that now protects us from the energetic "short-wave" quanta that once, perhaps, took part in the generation of life-molecules. Light is an ideal sensory stimulus. It travels in straight lines at great speed and, consequently, can be made to form an image from which an animal can make "true," continuous and immediate assessments of present and impending events.
Автор: B. Britt Bromberg; Darlene A. Dartt; David A. Sull Название: Lacrimal Gland, Tear Film, and Dry Eye Syndromes ISBN: 1461360250 ISBN-13(EAN): 9781461360254 Издательство: Springer Рейтинг: Цена: 36570.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: During the past decade a significant international research effort has been directed towards understanding the composition and regulation of the preocular tear film.
Автор: W. Wieser; F. Schiemer; A. Goldschmidt; K. Kotrsch Название: Environmental biology of European cyprinids ISBN: 9401051232 ISBN-13(EAN): 9789401051231 Издательство: Springer Рейтинг: Цена: 20962.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Hidemi Ishida; Russell Tuttle; Martin Pickford; Na Название: Human Origins and Environmental Backgrounds ISBN: 1441939946 ISBN-13(EAN): 9781441939944 Издательство: Springer Рейтинг: Цена: 34799.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Hidemi Ishida: 40 Years of Footprints in Japanese Primatology and Paleoanthropology.- Hidemi Ishida: 40 Years of Footprints in Japanese Primatology and Paleoanthropology.- Fossil Hominoids and Paleoenvironments.- Seven Decades of East African Miocene Anthropoid Studies.- Evolution of the Vertebral Column in Miocene Hominoids and Plio-Pleistocene Hominids.- Terrestriality in a Middle Miocene Context: Victoriapithecus from Maboko, Kenya.- Late Cenozoic Mammalian Biostratigraphy And Faunal Change.- The Ages and Geological Backgrounds of Miocene Hominoids Nacholapithecus, Samburupithecus, and Orrorin from Kenya.- Functional Morphology.- Patterns of Vertical Climbing in Primates.- Functional Morphology of the Midcarpal Joint in Knuckle-Walkers and Terrestrial Quadrupeds.- Morphological Adaptation of Rat Femora to Different Mechanical Environments.- A Hallmark of Humankind: The Gluteus Maximus Muscle.- Primates Trained for Bipedal Locomotion as a Model for Studying the Evolution of Bipedal Locomotion.- Locomotor Energetics in Nonhuman Primates.- Computer Simulation of Bipedal Locomotion.- Theoretical Approaches.- Paleoenvironments, Paleoecology, Adaptations, and the Origins of Bipedalism in Hominidae.- Arboreal Origin of Bipedalism.- Neontological Perspectives on East African Middle and Late Miocene Anthropoidea.- The Prehominid Locomotion Reflected: Energetics, Muscles, and Generalized Bipeds.- Evolution of the Social Structure of Hominoids.- Are Human Beings Apes, or are Apes People too?.- Current Thoughts on Terrestrialization in African Apes and the Origin of Human Bipedalism.
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