PUR Facts - Thea van Oosten - eBook (9789048512072)

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Flexible Polyurethane (PUR) foams, in use since the 1950s and familiar from furniture upholstery and other domestic textiles, can be found in museum collections in numerous art and design objects. However, these exhibits pose severe conservation problems due to the ageing of the foam caused by photo-oxidation, leading to discoloration, loss of stre...

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PUR Facts - Thea van Oosten - eBook (9789048512072)
PUR Facts - Thea van Oosten - eBook (9789048512072)
Flexible Polyurethane (PUR) foams, in use since the 1950s and familiar from furniture upholstery and other domestic textiles, can be found in museum collections in numerous art and design objects. However, these exhibits pose severe conservation problems due to the ageing of the foam caused by photo-oxidation, leading to discoloration, loss of strength and fl exibility, and fi nally the crumbling of the object. This defi nitive work outlines the most up-to-date methods of restoring fl exibility of older foams and protecting new foams from degradation by coating them with stabilising systems acting effectively as a `sunblock. The author, an experienced conservator, describes the research involved in developing the new methods and their impact on the visual, textural and chemical properties of treated PUR foams. One of the chapters details the preparation and application of the light stabilizing system to PUR foams.
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De tapuit - Herman van Oosten - eBook (9789045036526)
De tapuit - Herman van Oosten - eBook (9789045036526)
In ‘De tapuit’ beschrijft bioloog Herman van Oosten zijn onderzoek naar en bevindingen over een van zijn meest geliefde vogels. De tapuit dwingt van oudsher grote bewondering af: geen ander zangvogeltje legt namelijk zo’n grote afstand af tussen broedplaats en overwinteringsgebied. Want hoewel tapuiten over de hele wereld broeden, zelfs in Canada en Alaska, overwinteren ze allemaal in Afrika. In de broedtijd kun je tapuiten zingend in de lucht zien vliegen. Tenminste, als je je best doet. De tapuit was een veelvoorkomende broedvogel op ons platteland, in de duinen en op de heide, maar tegenwoordig broeden er hooguit nog driehonderd paartjes in Nederland. Alleen in het voorjaar zijn de vogels hier nog talrijk, als ze vanuit Afrika doortrekken naar hun noordelijker broedgebieden en even in Nederland blijven om aan te sterken. De tapuit is te herkennen aan zijn staart: daarop vind je een omgekeerde T.
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Ten oosten van de afgrond is de vierde deel in de prijswinnende Ludwig Licht-serie over barkeeper, problem solver en voormalig Stasi-agent Ludwig Licht. Eerder verschenen in het kwartet van Thomas Engström Ten westen van de vrijheid, Ten zuiden van de hel en Ten noorden van het paradijs. Tbilisi, juli 2016. Zakenvrouw Pauline Hollister draagt een aantal duistere geheimen met zich mee. Ze wendt zich tot Ludwig Licht, die nu werkt voor een bewakingsdienst in Georgië. Maar voor ze iets kan onthullen, verdwijnt ze. Tegelijkertijd brokkelt de Kaukasische republiek af. Terroristische aanslagen treffen de hoofdstad, en de dreiging van het machtige Rusland wordt steeds groter. Wat wilde Hollister vertellen? Welke krachten heeft ze in gang gezet? Op het kruispunt tussen Oost en West, Noord en Zuid, het christendom en de islam wordt Ludwig geconfronteerd met zijn meest rücksichtslose vijand ooit: een van zijn voormalige chefs van de Oost-Duitse Stasi. Het is tijd voor een laatste, wanhopige st…
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Landscape biographies - eBook (9789048517800)
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'Landscape Biographies' explores the long and complex histories of landscapes from personal and social perspectives. As an essential part of human life-worlds, landscapes have the potential to absorb something of people's lives, works, and thoughts. But landscapes also shape their own life-histories at different timescales, transcending human life-cycles and generating their own temporalities and rhythms. It comes as no surprise, therefore, that the co-scripting of landscapes and people figures prominently in the (auto-)biographical works of writers and attracts the interest of geographers, archaeologists, historians, and anthropologists. This has even resulted in a new genre in landscape research, rapidly gaining in popularity, under the heading of 'landscape biography'. In 'Landscape Biographies', twenty geographers, archaeologists, historians, and anthropologists investigate the diverse ways in which landscapes and monuments have been constructed, transmitted, and transformed from p…
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In Late Antiquity, people commonly sought to acquire knowledge about the past, the present, and the future, using a variety of methods. While early Christians did not doubt that these methods worked effectively, in theory they were not allowed to make use of them. In practice, people responded to this situation in diverse ways. Some simply renounced any hope of learning about the future, while others resorted to old practices regardless of the consequences. A third option, however, which emerged in the fourth century, was to construct divinatory methods that were effective yet religiously tolerable. This book is devoted to the study of such practices and their practitioners, and provides answers to essential questions concerning this phenomenon. How did it develop? How closely were Christian methods related to older, traditional customs? Who used them and in which situations? Who offered oracular services? And how were they treated by the clergy, intellectuals, and common people?
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Tijdens een expeditie in de Himalaya, eind 19e eeuw, ontmoeten de schrijver en zijn metgezellen de 'Meesters van het Himalaya-gebergte', zij maken de expeditieleden deelgenoot van hun bijzondere ervaringen en vermogens. Zij nemen aan dat Boeddha de weg naar het Licht wijst, maar ze stellen onomwonden dat Christus de weg naar het Licht is, ofwel een staat van bewustzijn waarnaar we allen op weg zijn: het Christus-bewustzijn.
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We love beef - Alain Caron, Richard van Oostenbrugge - eBook (9789048827565)
Let op: Epub3 fixed lay-out, niet geschikt voor e-reader. In We Love Beef laten chefs Alain Caron en Richard van Oostenbrugge zien hoe veelzijdig én veelomvattend een rund is. In hun recepten gebruiken ze alles, van tong tot staart, van borst tot haas. Als je rundvlees koopt van topkwaliteit, geniet je van meer dan alleen biefstuk en burgers. We Love Beef is gelardeerd met foto's van Richard en Alain in Engeland, waar ze gepassioneerde veeboeren en slagers bezochten, door Londen scharrelden speurend naar rundvlees en daar van alles aantroffen; van een memorabele bagel met pekelvlees in de ochtend, runderlever met uien for lunch, tot de beste steaks van de stad in de avond. Extra: Een uitgebreid beef-abc. 'Deze bereidingen met beef door Alain en Richard zijn smaakvol, met lef en respect voor het mooie product bereid. Voor iedereen die rundsvlees adoreert en dit zelf graag klaarmaakt voor de mooie momenten in het leven.' - Sergio Herman 'Toen ik bij The Fat Duck werkte, was chef Hesto…
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Applications, possibilities, and limitations of handheld XRF in art conservation and archaeology. Over the last decade the technique of X-ray fluorescence has evolved, from dependence on laboratory-based standalone units to field use of portable and lightweight handheld devices. These portable instruments have given researchers in art conservation and archaeology the opportunity to study a broad range of materials with greater accessibility and flexibility than ever before. In addition, the low relative cost of handheld XRF has led many museums, academic institutions, and cultural centres to invest in the devices for routine materials analysis purposes. Although these instruments often greatly simplify data collection, proper selection of analysis conditions and interpretation of the data still require an understanding of the principles of x-ray spectroscopy. These instruments are often marketed and used as 'point and shoot' solutions; however, their inexpert use can easily generate de…
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Productomschrijving

Flexible Polyurethane (PUR) foams, in use since the 1950s and familiar from furniture upholstery and other domestic textiles, can be found in museum collections in numerous art and design objects. However, these exhibits pose severe conservation problems due to the ageing of the foam caused by photo-oxidation, leading to discoloration, loss of strength and fl exibility, and fi nally the crumbling of the object.
This defi nitive work outlines the most up-to-date methods of restoring fl exibility of older foams and protecting new foams from degradation by coating them with stabilising systems acting effectively as a `sunblock. The author, an experienced conservator, describes the research involved in developing the new methods and their impact on the visual, textural and chemical properties of treated PUR foams. One of the chapters details the preparation and application of the light stabilizing system to PUR foams.

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