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Dl4All - Download free For All: software and educational resource.Free software and educational resource. With a little searching, you can download what you need for free without spending any money. Our site - "Dl4All" offers free software downloads including antivirus software, office suites and video editing software. Here you can find software reviews and ratings so you can understand which apps are worth downloading. If you're looking for free educational programs or materials in the US and Canada, we'll help you find what you need for students and learners. ![]() Free Download Electrical Conductivity of Vitreous Substances by Rudol'f L. Myuller English | PDF | 1971 | 200 Pages | ISBN : 1475750641 | 24.3 MB [/b] ![]() Free Download Electric Contacts: Theory and Application by Ragnar Holm English | PDF | 1967 | 503 Pages | ISBN : 3540038752 | 50.9 MB This book is a completely revised and rewritten edition of "Electric Contacts Handbook" published in 1958. A large number of new in vestigations are considered, and many of the basic theories are revised in detail and even in general. The body of information had to be limited as it was not advisable to increase the volume of the book. In particular, no attempt was made to cover all of the practical applications. They appear as examples following concentrated explanations of basic phenomena. As in several branches of technology, the solutions of problems ari sing in the field of electric contacts involve insight into various disci plines of physics. It is feit that reviews of some of those topics, especi ally adapted to electric contact phenomena, are welcome to many readers. For example, chapters have been devoted to the structure of carbon, the band theory of electric conduction in solids, certain pro blems in statistics, and the theory of the electric arc. As regards arc problems, new ideas have been introduced. In order to make the main text less cumbersome, such reviews are presented as appendices. Throughout this edition, the mksa-unit system is used in accord with the latest recommendation for standardization of units in scientific and technical writings. The chapter "History of Early Investigations on Contacts" forming Part IV in the preceding edition of 1958 has not been repeated in this book. ![]() Free Download Einfach Kochen in leichter Sprache By Steffen Schwab Deutsch | PDF | 2018 | 118 Pages | ISBN : 3662556537 | 119.19 MB Dieses Kochbuch ist in Leichter Sprache.Leichte Sprache hilft Menschen mit geistiger Behinderung.Das Buch ist auch gut für andere Menschen. ![]() Free Download Econometrics: Statistical Foundations and Applications by Phoebus J. Dhrymes English | PDF | 1974 | 605 Pages | ISBN : 0387900950 | 101.4 MB T his book was written, primarily, for the graduate student in econo- metrics. Its purpose is to provide a reasonably complete and rigorous exposition of the techniques frequently employed in econometric research, beyond what one is likely to encounter in an introductory mathematical statistics course. It does not aim at teaching how one can do successful original empirical research. Unfortunately, no one has yet discovered how to communicate this skill impersonally. Practicing econometricians may also find the integrated presentation of simultaneous equations estimation theory and spectral analysis a convenient reference. ![]() Free Download Ecology of Angola: Terrestrial Biomes and Ecoregions by Brian John Huntley English | EPUB (True) | 2023 | 479 Pages | ISBN : 3031189221 | 149.9 MB This book richly illustrates the first, and comprehensive, account of the country's biomes and ecoregions, the driving forces that account for their diversity and vulnerability, and the ecological principles that provide an understanding of the patterns and processes that have shaped landscapes, ecoregions, and ecosystems. Angola encompasses the greatest diversity of terrestrial biomes and is the second richest in terms of ecoregions, of any African country. Yet its biodiversity and the structure and functioning of its ecosystems are largely undocumented. The author draws on personal field observations from over 50 years of involvement in ecological and conservation studies in Angola and across Southern Africa. The vast recent literature published by researchers in neighboring, better resourced countries provides depth to the accounts of ecological principles and processes relevant to Angola and thus contributing to the understanding and sustainable management of its natural resources. ![]() Free Download Ecological Risks of Emerging Pollutants in Urbanizing Regions by Yonglong Lu, Pei Wang, Jingjing Yuan English | EPUB (True) | 2023 | 402 Pages | ISBN : 9811996296 | 164.6 MB This book characterizes the major pollution patterns of emerging contaminants, such as sources, emission effluents, temporal and spatial distributions, multi-media transportation and transformation processes, exposure pathways to ecosystems and humans, and ecological risks. 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