This text includes keynote invited papers from the Third International Crop Science Congress held in Hamburg, Germany in August 2000. The papers provide an overview of the major issues confronting crop science today and in the future.
This book provides basic knowledge on how to produce, multiply and use propagation material in seed potato production and supply systems world wide. Healthy, vigorous seed tubers are essential in potato production. Producing them used to be expensive and difficult. Multiplication rates in the field are low, seed-borne diseases are numerous and seed tubers lose quality during storage between growing seasons. Recently, novel methods of multiplication have revolutionised the seed potato industry. This has resulted in a diversity of seed production systems adjusted to the local potential and needs. This book summarises the current knowledge and assesses the efficient use of modern technology in different stages of seed production. It describes in detail what seed quality means, how (pre-)basic seed can be produced, how this can be multiplied, and how seed health is maintained. It also describes diverse examples of seed supply systems in different regions of the world. The book is aimed at agronomists, farm advisors, seed producers, breeders, and at those involved in seed policies, seed programme development and seed trade. Also recommended for (international) students in agronomy, horticulture and plant breeding.
When children refuse or seem unable to talk about their traumatic memories, it might be tempting to ‘let sleeping dogs lie’. However, if left untreated, the memories of childhood abuse and neglect can have a devastating effect on the development of children and young people. How can these children be motivated and engage in trauma-focused therapy? Treating Chronically Traumatized Children: The Sleeping Dogs Method describes a structured method to overcome resistance and enable children to wake these sleeping dogs safely, so these children heal from their trauma. The ‘Sleeping Dogs method’ is a comprehensive approach to treating chronically traumatized children, first preparing the child to such an extent that he or she can engage in therapy to process traumatic memories, then by the trauma processing and integration phase. Collaboration with the child’s network, the child’s biological family including the abuser-parent and child protection services, are key elements of the 'Sleeping Dogs method'. The underlying theory about the consequences of traumatization, such as disturbed attachment and dissociation, is described in a comprehensive, easy-to-read manner illustrated with case studies and is accompanied by downloadable worksheets. This new edition has been updated to include the clinical experience in working with this method and the most recent literature and research, as well as entirely new chapters that apply the ‘Sleeping Dogs method’ to the experiences of children in foster care and residential care, and those with an intellectual disability. Treating Chronically Traumatized Children will have a wide appeal, including psychologists, psychiatrists, psychotherapists, counsellors, family therapists, social workers, child protection, frontline, foster care and youth workers, inpatient and residential staff and (foster or adoptive) parents.
This compact, well-written history — first published in 1948, and now in its fourth revised edition — describes the main trends in the development of all fields of mathematics from the first available records to the middle of the 20th century. Students, researchers, historians, specialists — in short, everyone with an interest in mathematics — will find it engrossing and stimulating. Beginning with the ancient Near East, the author traces the ideas and techniques developed in Egypt, Babylonia, China, and Arabia, looking into such manuscripts as the Egyptian Papyrus Rhind, the Ten Classics of China, and the Siddhantas of India. He considers Greek and Roman developments from their beginnings in Ionian rationalism to the fall of Constantinople; covers medieval European ideas and Renaissance trends; analyzes 17th- and 18th-century contributions; and offers an illuminating exposition of 19th century concepts. Every important figure in mathematical history is dealt with — Euclid, Archimedes, Diophantus, Omar Khayyam, Boethius, Fermat, Pascal, Newton, Leibniz, Fourier, Gauss, Riemann, Cantor, and many others. For this latest edition, Dr. Struik has both revised and updated the existing text, and also added a new chapter on the mathematics of the first half of the 20th century. Concise coverage is given to set theory, the influence of relativity and quantum theory, tensor calculus, the Lebesgue integral, the calculus of variations, and other important ideas and concepts. The book concludes with the beginnings of the computer era and the seminal work of von Neumann, Turing, Wiener, and others. "The author's ability as a first-class historian as well as an able mathematician has enabled him to produce a work which is unquestionably one of the best." — Nature Magazine.
This undergraduate text develops the geometry of plane and space, leading up to conics and quadrics, within the context of metrical, affine, and projective transformations. 1953 edition.
These selected mathematical writings cover the years when the foundations were laid for the theory of numbers, analytic geometry, and the calculus. Originally published in 1986. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Elementary, yet authoritative and scholarly, this book offers an excellent brief introduction to the classical theory of differential geometry. It is aimed at advanced undergraduate and graduate students who will find it not only highly readable but replete with illustrations carefully selected to help stimulate the student's visual understanding of geometry. The text features an abundance of problems, most of which are simple enough for class use, and often convey an interesting geometrical fact. A selection of more difficult problems has been included to challenge the ambitious student. Written by a noted mathematician and historian of mathematics, this volume presents the fundamental conceptions of the theory of curves and surfaces and applies them to a number of examples. Dr. Struik has enhanced the treatment with copious historical, biographical, and bibliographical references that place the theory in context and encourage the student to consult original sources and discover additional important ideas there. For this second edition, Professor Struik made some corrections and added an appendix with a sketch of the application of Cartan's method of Pfaffians to curve and surface theory. The result was to further increase the merit of this stimulating, thought-provoking text — ideal for classroom use, but also perfectly suited for self-study. In this attractive, inexpensive paperback edition, it belongs in the library of any mathematician or student of mathematics interested in differential geometry.
This compact, well-written history covers major mathematical ideas and techniques from the ancient Near East to 20th-century computer theory, surveying the works of Archimedes, Pascal, Gauss, Hilbert, and many others. "The author's ability as a first-class historian as well as an able mathematician has enabled him to produce a work which is unquestionably one of the best." — Nature.
Magnificent South Africa is a celebration of one of the world's most beautiful regions – and one of its leading tourist destinations. Diversity is the single word that best sums up the nature of this land, vividly evident in its myriad landscapes and in the mix of its peoples. Here, strikingly revealed in more than 160 large-format full-colour photographs and a concise text, are historic towns, hidden hamlets and modern cities, vast spaces and heat-hazed horizons, mountain ramparts and broad grassland plains, game-rich savanna, bushveld scrub, arid desert and emerald pastures, wild seashore and striking coastal terrace. The reader is introduced to South Africa by an informative overview of the country, its history and its economy. Thereafter the scene unfolds, region by region, in a series of eye-catching features, each focusing on a particular area and its distinctive attractions. Some, like Cape Town's Table Mountain, the Kruger National Park, Durban's Golden Mile, the towering heights of the Drakensberg, the Garden Route in the south and the subtropical shorelines of the east, are world-renowned; others are little known, even to South Africans. Magnificent South Africa is an evocative profile of a fascinating country – a book for the home, the perfect gift for family and friends, and a superb memento for those who have spent time discovering South Africa for themselves.
Details of over 450 guest farms and country lodges thoughout South Africa, Swaziland, Lesotho and Namibia are included in this companion for travellers looking for accommodation and traditional hospitality in rural surroundings. Guest farms are an increasingly popular alternative for families seeking a carefree, inexpensive and relaxed holiday, while also offering children the chance to experience something of rural life. Country lodges, situated in scenic and peaceful locations, will appeal to travellers looking for quality accommodation and personal service.
It is fitting that Professor Dirk Jan Struik be greeted with this melange of mathematical, scientific, historical, sociological and political essays. The authors are also appropriately varied: different countries, outlooks, religions, generations, and we suppose - of course we did not as- different politics too. Many more would have joined us, we know, but the good friends in this book make a fine and representative assembly of the intersection of two (mathematical!) classes: affectionately respect ful admirers of Dirk Struik, and the best thinkers of this troubled century. Struik has been among the most steadfast supporters of the Boston Colloquium for the Philosophy of Science, that discussion group which we have been holding at Boston University since 1960, but his luminous collaboration has been welcome, in Boston and Cambridge, for nearly five decades among mathematicians, physicists, philosophical and political thinkers, and especially among the students. It has not mattered whether they have been his own students or not, whether at M.LT. or elsewhere, whether scholars or dropouts, nature-lovers or book worms, anarchists or Republicans, Catholics or Unitarians, Communists or communists, prim or liberated. No doubt he has his preferences! But the main thing for Struik has been to educate and respect the other person.
The photographs portray the typical South Africa, that is tourist attractions, famous landmarks and landscape features, fauna and flora that are clearly identifiable with South Africa. Every picture tells its own story, for example, photographs showing vast, uninhabited areas, or simply the country's beauty (Blyde River Canyon, Table Mountain, etc). Pictures of fauna typify animal behaviour or characteristics like animals drinking at a water hole or running in a herd. The design makes the most of the pictures by featuring quite a few double-page spreads (26 in total) and concentrates on full-page bleeds; three-quarter pictures across the gutter are limited and were only used in cases where a photograph particularly warranted it.
Elementary, yet authoritative and scholarly, this book offers an excellent brief introduction to the classical theory of differential geometry. It is aimed at advanced undergraduate and graduate students who will find it not only highly readable but replete with illustrations carefully selected to help stimulate the student's visual understanding of geometry. The text features an abundance of problems, most of which are simple enough for class use, and often convey an interesting geometrical fact. A selection of more difficult problems has been included to challenge the ambitious student. Written by a noted mathematician and historian of mathematics, this volume presents the fundamental conceptions of the theory of curves and surfaces and applies them to a number of examples. Dr. Struik has enhanced the treatment with copious historical, biographical, and bibliographical references that place the theory in context and encourage the student to consult original sources and discover additional important ideas there. For this second edition, Professor Struik made some corrections and added an appendix with a sketch of the application of Cartan's method of Pfaffians to curve and surface theory. The result was to further increase the merit of this stimulating, thought-provoking text — ideal for classroom use, but also perfectly suited for self-study. In this attractive, inexpensive paperback edition, it belongs in the library of any mathematician or student of mathematics interested in differential geometry.
Mare Liberum" is a book (originally written in Latin) on international law written by the Dutch jurist and philosopher Hugo Grotius. In Mare Liberum, Grotius formulated the new principle that the sea was international territory and all nations were free to use it for seafaring trade. The disputation was directed towards the Portuguese Mare Clausum policy and their claim of monopoly on the East Indian Trade. Grotius wrote the treatise while counsel to the Dutch East India Company over the seizure of the Portuguese carrack "Santa Catarina".Hugo Grotius (10 April 1583 – 28 August 1645), was a jurist in the Dutch Republic. With Francisco de Vitoria and Alberico Gentili he laid the foundations for international law, based on natural law. He was also a philosopher, theologian, Christian apologist, playwright, and poet.
A photojourney taking the reader through lush tropical rainforests and blistering deserts to life below the oceans. Ancient civilizations and modern icons of art and architecture in South East Asia, Australia and the USA are also explored, along with the colourful local flora and fauna.
This will help us customize your experience to showcase the most relevant content to your age group
Please select from below
Login
Not registered?
Sign up
Already registered?
Success – Your message will goes here
We'd love to hear from you!
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.