Colored Contact Lenses
Continuing developments in glass science and technology have necessitated the revision of this successful work, which provides up-to-date coverage of the chemistry of glasses. A thorough treatment of the molecular structure and chemistry of the glassy state is presented in order that the relationsip between properties and function in glasses may be appreciated. For the new edition, two new chapters have been added; one dealing with the chemistry of glass batch reactions and the other with the sol-gel method of glass making. A further new section has been included on the strength of glasses. The formation and transformations of glasses are discussed, followed by chapters on physical properties, chemical durability, redox reactions and acid-base concepts. The author then shows how colour originates in glasses and finally considers the polymeric nature of glass-forming melts. This text should be useful as both a text and reference to all those studying glass whether as chemists, materials scientists, or glass scientists and technologists. This book should be of interest to senior undergraduates/graduates and professionals in materials science, glass technology and ceramics.
This is a new, completely revised, updated and enlarged edition of the author's Ergebnisse vol. 46: "Spin Glasses: A Challenge for Mathematicians". This new edition will appear in two volumes, the present first volume presents the basic results and methods, the second volume is expected to appear in 2011. In the eighties, a group of theoretical physicists introduced several models for certain disordered systems, called "spin glasses". These models are simple and rather canonical random structures, of considerable interest for several branches of science (statistical physics, neural networks and computer science). The physicists studied them by non-rigorous methods and predicted spectacular behaviors. This book introduces in a rigorous manner this exciting new area to the mathematically minded reader. It requires no knowledge whatsoever of any physics. The first volume of this new and completely rewritten edition presents six fundamental models and the basic techniques to study them.
In this, the second edition of her popular book "Don't Forget Your Sunglasses: A Parent's Survival Guide to Kindergarten", Dr. Benyo tackles more of the questions and issues that concern parents, practically doubling the length of the first edition. From How to Set Limits to How to Answer 'Why?', Dr. Benyo offers clear, concise suggestions of value to parents whose youngsters will be starting or are enrolled in kindergarten (recommended for ages 3-6). The author also provides ideas on how to dress, attending school parties, taking a vacation during school, packing a lunch, contacting the teacher or principal, and so much more. Her views of kindergarten as an elementary teacher, school principal, and professor of students studying to become teachers, as well as her experiences as a parent of five children, give her a unique perspective of the needs of children and their parents.
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