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Does Distance Tyrannize Science?.- Tyrannies of Distance in British Science.- Dr George Bennett and Sir Richard Owen: A Case Study of the Colonization of Early Australian Science.- A Far Frontier: British Geological Research in Australia during the Nineteenth Century.- A Collaborative Dimension of the European Empires: Australian and French Acclimatization Societies and Intercolonial Scientific Co-operation.- International Exchange in the Natural History Enterprise: Museums in Australia and the United States.- A World-wide Scientific Network and Patronage System: Australian and Other 'Colonial' Fellows of the Royal Society of London.- Ionospheric and Radio Physics in Australian Science since the Early Days.- Theories of the Earth as Seen from Below.- Geographic Isolation and the Origin of Species: The Migrations of Michael White.- Antipodal Fire: Bushfire Research in Australia and America.- Notes on Contributors.

The common bean (Phaseolus vulgaris L.) is the most important pulse crop in Latin America, as well as in large parts of Asia and Africa. It is particularly important due to its ability, in symbiosis with Rhizobium bacteria, to fix atmospheric nitrogen and due to its high nutrient value. Incorporating contributions from plant breeders, microbiologists, plant physiologists and soil scientists, this volume reports the results of an FAO/IAEA Coordinated Research Programme (1985--1991), whose main objective was to enhance yield and biological nitrogen fixation in common bean by reducing its reliance on soil and fertilizer nitrogen. The volume will be invaluable to scientists working on biological nitrogen fixation and legume production.

This book conducts a systematic study on internal flow characteristics and performance of centrifugal pump for solid¿liquid mixed transportation. First, the applicability of the computational model for two-phase flow is analyzed. Then the relationship between the two-phase flow characteristics and wall wear in the pipeline is revealed. And the flow characteristics in centrifugal pumps are analyzed in relation to conveying performance and wall wear. Finally, the engineering application calculation of the mixed transportation pump with different impeller structures is carried out. The target audience of this book is researchers who perform calculations and engineering applications of solid¿liquid two-phase pumps.This book considers the influence of the particle size on the force magnitude of the particles and analyzes the applicability of different solid¿liquid two-phase calculation models. Considering the different motion trajectories of particles colliding with dry wall, wet wall, stationary wall, and moving wall, visual experiments are used to study the collision rebound model of different walls. The collision rebound model is applied to the numerical simulation of solid¿liquid mixed transport.