The book covers the topic of geopolymers, in particular it highlights the relationship between structural differences as a result of variations during the geopolymer synthesis and its physical and chemical properties. In particular, the book describes the optimization of the thermal properties of geopolymers by adding micro-structural modifiers such as fibres and/or fillers into the geopolymer matrix. The range of fibres and fillers used in geopolymers, their impact on the microstructure and thermal properties is described in great detail. The book content will appeal to researchers, scientists, or engineers who are interested in geopolymer science and technology and its industrial applications.
Translated by Herbert Donald Morton The central theme of this history is the Free University as a private institution founded to provide Christian higher education. At its founding in 1880, the Vrije University had only five professors and five students. Among the other public universities, it struck an odd figure and seemed destined for failure. Yet founder Abraham Kuyper never wavered in his determination to build a special Reformed, Calvinist university. Arie van Deursen here recounts the engrossing history of this unique university in its 125th year, using fully documented archival sources to detail the school's ups and downs over the years.
What makes history difficult to learn is the fact that one has to travel in time. Studying events and circumstances from a time perspective different from our own is something that doesn’t come naturally to people. It is an ability that has to be acquired. This book discusses teaching and learning history from the perspective of passage of time. Time experiences exist in different shapes and dimensions, one of which is historical time. The specific characteristics of the kind of time are defined in this study, based on philosophical and psychological insights, as well as on theory of history. The differences with other kinds of time, such as daily time and social time, are outlined. Six key concepts of historical time are then defined: chronology, periodization, relics, anachronism, contingency, and generations – meaning a specific way of dealing with the generations of our predecessors. The main issues for teaching historical thinking are described using these six categories. An inventory is made of what is known about them from existing research and what questions still need further investigation. An empirical study is reported about the means students preferably use to orient in historical time: timelines and numbered years attached to events, or imaginative-associative contexts? It is demonstrated that ‘images of time’ are the optimum means for historical orientation. An historical consciousness of time is essential to an open democratic society. The one-dimensional perspective of the present is broken up, it is shown that alternatives are possible, that the present is only the coincidental result of a contingent development and might have been totally different, and that the views held by people have changed, may change now and certainly will change in the future. All of this can enhance tolerance, open-mindedness and promote a healthy societal debate. This study provides insights into the kind of history teaching that might be helpful in developing this.
Gerard ter Borch (1617-1681) was unequalled among his Dutch peers for capturing the elegance & grace of wealthy Dutch society in his portraiture. A major influence on Vermeer, ter Borch has not received the attention he deserves & this is the first major English language text about his work.
The book covers the topic of geopolymers, in particular it highlights the relationship between structural differences as a result of variations during the geopolymer synthesis and its physical and chemical properties. In particular, the book describes the optimization of the thermal properties of geopolymers by adding micro-structural modifiers such as fibres and/or fillers into the geopolymer matrix. The range of fibres and fillers used in geopolymers, their impact on the microstructure and thermal properties is described in great detail. The book content will appeal to researchers, scientists, or engineers who are interested in geopolymer science and technology and its industrial applications.
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