Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are reaching their full potential, enabling the preparation of new generations of advanced materials not easily accessible by other methods yet using mild, low-energy conditions. The topic is therefore increasingly included in advanced undergraduate, MSc and PhD programmes in the areas of chemistry, physics and materials science. This concise introductory text, written at the advanced undergraduate/first-year postgraduate level, is also suitable as an introduction to the development, mechanisms, chemistry, characterisation methods and applications of the technique. It provides readers with an extensive yet concise grounding in the theory of each area of the subject and details the real and potential applications and the future prospects of sol-gel chemistry.

Together With A Few Rough Pen-And-Ink Sketches, By The Same Hand, Of Some Of The People He Has Met, The Changes He Has Seen, And The Places He Has Visited, 1817-1865.

More than forty nations provided assistance to the Republic of Vietnam in its struggle against North Vietnam. This aid ranged from economic and technical assistance to educational and humanitarian contributions. Hundreds of Free World civilians worked in Vietnam as doctors, teachers, and technical specialists. Eight nations also provided military assistance. The flags of these Free World countries-the United States, the Republic of Korea, Thailand, Australia, New Zealand, the Philippines, the Republic of China, and Spain-flew alongside the colors of the Republic of Vietnam at the headquarters of the Free World Military Assistance Forces in Saigon. The military contributions of these nations included combat troops, army medical teams, and individual political warfare advisers. The degree of assistance and co-operation among the concerned Free World nations resulted from years of work and involvement. While many nations expressed sympathy for the plight of South Vietnam, aid did not always come easily, quickly, or to the extent desired. Many nations, beset by their own internal economic and political problems, could do little to help; others did nothing. The story of the efforts of the contributing nations and the efforts to enlist their aid is the subject of this book.

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1969.

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1969.