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Offers advice on raising and breeding discus, covers water chemistry, feeding strategies, sex determination, and illnesses, and shows a selection of popular varieties.
The tropical discus - fascinating, beautiful and high-maintenance. ­Looking after your ­discus is challenging and rewarding, and takes time, money and love. Now in a revised and fully updated second edition, DISCUS WORLD is the ­complete manual for the tropical discus ­keeper. Written in clear, easy-to-understand language, DISCUS WORLD is the ­indispensable reference guide to caring for these ­fascinating fish. ­Whether you are just beginning, a breeder, or a seasoned discus ­keeper, a wealth of discus information is between these covers. In this book: * Buying discus* Tips for keeping discus* Breeding discus* Feeding discus* Sexing discus* Bringing out the best in wild and cultivated varieties* Creating the perfect aquarium set-up* Keeping your discus healthy and doing the right thing when it all goes wrong* Moving house with discus* Acclimatising discus* Keeping your discus healthy when you're on holiday* Setting up a discus business* Real readers' questions... ­answered!
How modern philosophers use and perpetuate myths about prehistoryThe state of nature, the origin of property, the origin of government, the primordial nature of inequality and war why do political philosophers talk so much about the Stone Age? And are they talking about a Stone Age that really happened, or is it just a convenient thought experiment to illustrate their points?Karl Widerquist and Grant S. McCall take a philosophical look at the origin of civilisation, examining political theories to show how claims about prehistory are used. Drawing on the best available evidence from archaeology and anthropology, they show that much of what we think we know about human origins comes from philosophers imagination, not scientific investigation.Key FeaturesShows how modern political theories employ ambiguous factual claims about prehistoryBrings archaeological and anthropological evidence to bear on those claimsTells the story of human origins in a way that reveals many commonly held misconceptions
Excellent bridge between general solid-state physics textbook and research articles packed with providing detailed explanations of the electronic, vibrational, transport, and optical properties of semiconductors "The most striking feature of the book is its modern outlook ... provides a wonderful foundation. The most wonderful feature is its efficient style of exposition ... an excellent book." Physics Today "Presents the theoretical derivations carefully and in detail and gives thorough discussions of the experimental results it presents. This makes it an excellent textbook both for learners and for more experienced researchers wishing to check facts. I have enjoyed reading it and strongly recommend it as a text for anyone working with semiconductors ... I know of no better text ... I am sure most semiconductor physicists will find this book useful and I recommend it to them." Contemporary Physics Offers much new material: an extensive appendix about the important and by now well-established, deep center known as the DX center, additional problems and the solutions to over fifty of the problems at the end of the various chapters.
This open access book provides a comprehensive overview of the application of the newest laser and microscope/ophthalmoscope technology in the field of high resolution imaging in microscopy and ophthalmology. Starting by describing High-Resolution 3D Light Microscopy with STED and RESOLFT, the book goes on to cover retinal and anterior segment imaging and image-guided treatment and also discusses the development of adaptive optics in vision science and ophthalmology. Using an interdisciplinary approach, the reader will learn about the latest developments and most up to date technology in the field and how these translate to a medical setting. High Resolution Imaging in Microscopy and Ophthalmology – New Frontiers in Biomedical Optics has been written by leading experts in the field and offers insights on engineering, biology, and medicine, thus being a valuable addition for scientists, engineers, and clinicians with technical and medical interest who would like to understand the equipment, the applications and the medical/biological background. Lastly, this book is dedicated to the memory of Dr. Gerhard Zinser, co-founder of Heidelberg Engineering GmbH, a scientist, a husband, a brother, a colleague, and a friend.