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Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration! ![]() Free Download Optimal Transport and Applications to Geometric Optics English | 2023 | ISBN: 9819948665 | 137 Pages | PDF EPUB (True) | 15 MB This book concerns the theory of optimal transport (OT) and its applications to solving problems in geometric optics. It is a self-contained presentation including a detailed analysis of the Monge problem, the Monge-Kantorovich problem, the transshipment problem, and the network flow problem. A chapter on Monge-Ampère measures is included containing also exercises. A detailed analysis of the Wasserstein metric is also carried out. For the applications to optics, the book describes the necessary background concerning light refraction, solving both far-field and near-field refraction problems, and indicates lines of current research in this area. ![]() Free Download Optical Properties of Wood: Measurement Methods and Result Evaluations English | 2024 | ISBN: 3031469054 | 549 Pages | PDF EPUB (True) | 50 MB This book describes all optical properties of wooden materials, including definitions and measurement methods of optical parameters such as absorbance, diffuse and specular reflectance, colour and gloss. Basic knowledge regarding the reflectance measurement in the ultraviolet, visible, near- and middle infrared radiation ranges is also discussed. It examines conducting correct optical measurements, as well as introduces the validity limits of the individual methods. Steaming as an environmental-friendly colour modification process is introduced by the description of the steaming properties of eight species. Steaming schedules for wood-working industry are suggested to create optimum colour modification. Natural and artificial aspects of photodegradation are monitored by studying the colour change and using infrared reflectance spectrum measurement. The effect of influencing parameters such as temperature, relative air humidity and leaching effect of rain is also discussed. Combined effects of heat and light on the optical properties of wood in all possible combinations are presented. The book helps wood researchers and Ph.D. students perform correct and repeatable optical measurements and evaluations in order to draw the right conclusions. ![]() Free Download Terrence Hake, Wayne Klatt, "Operation Greylord: The True Story of an Untrained Undercover Agent and America's Biggest Corruption Bust" English | 2018 | pages: 290 | ISBN: 1641051558, 1627229191 | EPUB | 0,8 mb In 1980, Terrence Hake was a young assistant prosecutor in the Cook County State's Attorney's Office in Chicago, Illinois. In April of that year, he agreed to assist the FBI and the United States Attorney's Office in an investigation of the county court system, known nationwide to be a hotbed of bribery, corruption, and mob ties. ![]() Free Download Dorothy Height, "Open Wide The Freedom Gates: A Memoir" English | 2003 | pages: 345 | ISBN: 1586482866, 1586481576 | EPUB | 0,3 mb Dorothy Height marched at civil rights rallies, sat through tense White House meetings, and witnessed every major victory in the struggle for racial equality. Yet as the sole woman among powerful, charismatic men, someone whose personal ambition was secondary to her passion for her cause, she has received little mainstream recognition - until now. In her memoir, Dr. Height, now ninety-one, reflects on a life of service and leadership. We witness her childhood encounters with racism and the thrill of New York college life during the Harlem Renaissance. We see her protest against lynchings. We sit with her onstage as Martin Luther King Jr. delivers his "I Have a Dream" speech. We meet people she knew intimately throughout the decades: W.E.B. DuBois, Marcus Garvey, Eleanor Roosevelt, Mary McLeod Bethune, Adam Clayton Powell Sr., Langston Hughes, and many others. 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