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"Peter Wood"
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White Over Black
In 1968, Winthrop D. Jordan set out in encyclopedic detail the evolution of white Englishmen's and Anglo-Americans' perceptions of blacks, perceptions of difference used to justify race-based slavery, and liberty and justice for whites only. This second edition, with new forewords by historians Christopher Leslie Brown and Peter H. Wood, reminds us that Jordan's text is still the definitive work on the history of race in America in the colonial era. Every book published to this day on slavery and racism builds upon his work; all are judged in comparison to it; none has surpassed it.
eBook
Electrochemical Exfoliation of Graphite to Graphene-Based Nanomaterials
Here, we report on a new automated electrochemical process for the production of graphene oxide (GO) from graphite though electrochemical exfoliation. The effects of the electrolyte and applied voltage were investigated and optimized. The morphology, structure and composition of the electrochemically exfoliated GO (EGO) were probed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), energy dispersive X-ray (EDX) spectroscopy, X-ray photoelectron spectroscopy (XPS), FTIR spectroscopy and Raman spectroscopy. Important metrics such as the oxygen content (25.3 at.%), defect density (ID/IG = 0.85) and number of layers of the formed EGO were determined. The EGO was also compared with the GO prepared using the traditional chemical method, demonstrating the effectiveness of the automated electrochemical process. The electrochemical properties of the EGO, CGO and other carbon-based materials were further investigated and compared. The automated electrochemical exfoliation of natural graphite powder demonstrated in the present study does not require any binders; it is facile, cost-effective and easy to scale up for a large-scale production of graphene-based nanomaterials for various applications.
Journal Article
Oat and Rye β-Glucan: Properties and Function
Over the years, the β-glucan of oats and barley has been the subject of study either because of the importance of the cholesterol-lowering potential to health claims (FDA 1997, 2005) or, in the case of barley, because of the role of β-glucan and β-glucan-rich endosperm cell walls in malting and brewing. β-Glucan is also present in rye and in much lesser amounts in wheat. The most striking difference in these latter two sources is the difficulty in extractability; alkali rather than water is required for significant release from the cell walls. This review will discuss physicochemical properties of oat and rye β-glucan and, where information allows, relate these to physiological effects. Viscosity, or more generally rheology, plays a central role in discussions of cereal β-glucan functionality and physiological effects and will be the focus of this review.
Journal Article
Becoming a mathematician : an international perspective
Based on interviews, observations and surveys conducted in Australia, South Africa, Northern Ireland, Canada and Brunei, this book investigates the experiences and views of students and graduates in the process of seeking their identities as mathematicians.
Book
Sixteen years of change in the global terrestrial human footprint and implications for biodiversity conservation
Human pressures on the environment are changing spatially and temporally, with profound implications for the planet’s biodiversity and human economies. Here we use recently available data on infrastructure, land cover and human access into natural areas to construct a globally standardized measure of the cumulative human footprint on the terrestrial environment at 1 km
2
resolution from 1993 to 2009. We note that while the human population has increased by 23% and the world economy has grown 153%, the human footprint has increased by just 9%. Still, 75% the planet’s land surface is experiencing measurable human pressures. Moreover, pressures are perversely intense, widespread and rapidly intensifying in places with high biodiversity. Encouragingly, we discover decreases in environmental pressures in the wealthiest countries and those with strong control of corruption. Clearly the human footprint on Earth is changing, yet there are still opportunities for conservation gains.
Habitat loss and urbanization are primary components of human impact on the environment. Here, Venter
et al.
use global data on infrastructure, agriculture, and urbanization to show that the human footprint is growing slower than the human population, but footprints are increasing in biodiverse regions.
Journal Article
أبجديات تعلم وتعليم الطب
يستعرض الكتاب طرق التعليم الطبي الحديثة التي تعتمد في الأساس على الطالب، وتنمية قدرته التحصيلية باستخدام مصادر التعليم المتاحة على الإنترنت وبالمناقشات الفعالة مع المعلمين، والزملاء، وباستخدام برامج المحاكاة، ومن خلال مجموعات التعلم السريرية الصغيرة، وقد تم تخصيص بعض الفصول لطرق تقييم الطلاب الحديثة وكيفية بناء الأسئلة، ووضع الاختبارات بطريقة تقيم الطلاب فعليا، وتميز بين مستويات الطلاب، وركزت بعض الفصول على تشجيع الطلاب والمتدربين على كتابة انطباعاتهم السلبية والإيجابية وتقديم تغذية راجعة في ختام كل دورة تدريبية واقتراحاتهم لتحسين مستوى الدورة وتلافي السلبيات، وقد تم تخصيص فصل بالكتاب لتنمية الاحترافية لدى الطلاب وطرق التعامل مع المرضى والاهتمام بهم والتعاطف معهم، وفصل آخر لكيفية التعامل مع الطلاب الذين يواجهون صعوبات أثناء مسارهم التعليمي.
Book
Employment Location in Regional Economic Planning
Originally published in 1970. During the times of planned population movements and new towns, with a growing interest in specifically regional policies by government, this book considers the problems of development within regions. It presents research on the facts and trends of employment generated by the regional economy and its relationship with the size and socio-economic character of local workforce, using the example of the West Midlands as testing ground for policy. The authors come from the viewpoint of needing to develop understanding of population, housing, employment and communications – the way our regional economy and society worked, before organised de-centralisation could be planned appropriately. Within the field of economic planning they ask what analysis of the information available tell us about development possibilities within a region. The book looks at trends in employment growth, the character and distribution of manufacturing industries and service industries and the locational consequences, to build a picture of the regional economic system. It then considers supply and demand and measures the ways towns vary in detailed case studies.
Foreword 1. Perspective on Regional Planning in Britain 2. Regional Trends in Employment Growth 3. The Regional Manufacturing Structure 4. Service Industries in Towns 5. Employment and the Socio-Economic Character of Towns 6. The Demand and Supply of Labour 7. Employment Location and Planning Policy
eBook