Two macabre discoveries in a single morning present an intriguing challenge for Detective Inspector Tom Harper Leeds, England. July, 1893. D.I. Tom Harper is witnessing the demonstration of a devastating new naval weapon, the torpedo, at Roundhay Park. The explosion brings up a body in the lake, a rope lashed tightly around its waist. At the same time, dredging operations in the River Aire are disrupted when a woman’s severed leg floats to the water’s surface, still clad in its stocking and boot. Could the two macabre discoveries be connected? Harper’s investigations will lead him right to the heart of the criminal underworld that underpins the city – and into the path of a merciless killer.
Do you love plants? Do you love crafting? Would you like to dye your own fabric, yarn or clothing? Learn the relaxing art of botanical dyeing with natural dyer, Rebecca Desnos. Connect with nature and open your eyes to the colour potential of plants. Discover how to: produce a wide palette of colours, including pink from avocados, yellow from pomegranates and coral from eucalyptus leaves; extract dye from just about any plant from the kitchen, garden or wild; use the ancient method of soya milk mordanting to achieve rich and long-lasting colour on plant fibres, such as cotton and linen; produce reliable colours that withstand washing and exposure to light.
This Best Practice Guide on the Control of Iron and Manganese in Water Supply is one of a series produced by the International Water Association’s Specialist Group on Metals and Related Substances in Drinking Water. Iron and manganese are often found in soft upland water sources associated with natural organic matter and are also commonly found in the groundwater abstracted from confined and unconfined aquifers. The presence of iron and manganese in water is one of the most frequent reasons for customers’ complaint due to aesthetic issues (yellow, brown and black or stains on laundry and plumbing fixtures). These two metals can be removed fairly readily by physico-chemical treatment. The municipal treatment systems deployed derive benefit from their larger scale, particularly in relation to control, but the processes used are less suitable for the numerous small supplies that are the most common water supplies throughout Europe, especially in rural areas. One important source of iron in drinking water is from old corroded cast-iron water mains, historically the material used most commonly in supply networks. Replacement and refurbishment is very expensive and the major challenge is how best to prioritize available expenditure. The purpose for this Best Practice Guide on the Control of Iron and Manganese in Water Supply is to give readers the broad view of a problem based on state-of-the-art compilation of the range of scientific, engineering, regulatory and operational issues concerned with the control of iron and manganese in drinking water. The Guide is of interest to water utility practitioners, health agencies and policy makers, as well as students on civil engineering and environmental engineering courses. Authors: Dr Adam Postawa, AGH University of Science and Technology, Faculty of Geology, Geophysics and Environment Protection, Krakow, Poland and Dr Colin R Hayes, University of Swansea, UK, Chair of IWA Specialist Group on Metals and Related Substances in Drinking Water.
The acclaimed travel writer's youthful journey - as an 18-year-old - across 1930s Europe by foot began in A Time of Gifts, which covered the author's exacting journey from the Lowlands as far as Hungary. Picking up from the very spot on a bridge across the Danube where his readers last saw him, we travel on with him across the great Hungarian Plain on horseback, and over the Romanian border to Transylvania. The trip was an exploration of a continent which was already showing signs of the holocaust which was to come. Although frequently praised for his lyrical writing, Fermor's account also provides a coherent understanding of the dramatic events then unfolding in Middle Europe. But the delight remains in travelling with him in his picaresque journey past remote castles, mountain villages, monasteries and towering ranges.
Nanotechnology has a great potential for providing efficient, cost-effective, and environmentally acceptable solutions to face the increasing requirements on quality and quantity of fresh water for industrial, agricultural, or human use. Iron nanomaterials, either zerovalent iron (nZVI) or iron oxides (nFeOx), present key physicochemical properties that make them particularly attractive as contaminant removal agents for water and soil cleaning. The large surface area of these nanoparticles imparts high sorption capacity to them, along with the ability to be functionalized for the enhancement of their affinity and selectivity. However, one of the most important properties is the outstanding capacity to act as redox-active materials, transforming the pollutants to less noxious chemical species by either oxidation or reduction, such as reduction of Cr(VI) to Cr(III) and dehalogenation of hydrocarbons. This book focuses on the methods of preparation of iron nanomaterials that can carry out contaminant removal processes and the use of these nanoparticles for cleaning waters and soils. It carefully explains the different aspects of the synthesis and characterization of iron nanoparticles and methods to evaluate their ability to remove contaminants, along with practical deployment. It overviews the advantages and disadvantages of using iron-based nanomaterials and presents a vision for the future of this nanotechnology. While this is an easy-to-understand book for beginners, it provides the latest updates to experts of this field. It also opens a multidisciplinary scope for engineers, scientists, and undergraduate and postgraduate students. Although there are a number of books published on the subject of nanomaterials, not too many of them are especially devoted to iron materials, which are rather of low cost, are nontoxic, and can be prepared easily and envisaged to be used in a large variety of applications. The literature has scarce reviews on preparation of iron nanoparticles from natural sources and lacks emphasis on the different processes, such as adsorption, redox pathways, and ionic exchange, taking place in the removal of different pollutants. Reports and mechanisms on soil treatment are not commonly found in the literature. This book opens a multidisciplinary scope for engineers and scientists and also for undergraduate or postgraduate students.
Much has been written about legal questions surrounding Indian water rights; this book now places them in the political framework that also includes water development. McCool analyzes the two conflicting doctrines relating to water use—one based on federal case law governing the rights of Indians on reservations, the other sanctioned by legislation and applied to non-Indians—based on the "iron triangles" of bureaucrats, legislators, and interest groups that dominate policy issues. He examines the way federal and BIA water development programs have reacted to conflict, competition, and opportunity from the turn of the century to the 1980s and updates the situation in an introduction written for this edition.
When the Sudanese civil war reaches his village in 1985, 11-year-old Salva becomes separated from his family and must walk with other Dinka tribe members through southern Sudan, Ethiopia and Kenya in search of safe haven. Based on the life of Salva Dut, who, after emigrating to America in 1996, began a project to dig water wells in Sudan. By a Newbery Medal-winning author.
Chemistry is widely considered to be the central science: it encompasses concepts on which all other branches of science are developed. Yet, for many students entering university, gaining a firm grounding in chemistry is a real challenge. Chemistry3 responds to this challenge, providingstudents with a full understanding of the fundamental principles of chemistry on which to build later studies.Uniquely amongst the introductory chemistry texts currently available, Chemistry3's author team brings together experts in each of organic, inorganic, and physical chemistry with specialists in chemistry education to provide balanced coverage of the fundamentals of chemistry in a way that studentsboth enjoy and understand.The result is a text that builds on what students know already from school and tackles their misunderstandings and misconceptions, thereby providing a seamless transition from school to undergraduate study. Written with unrivalled clarity, students are encouraged to engage with the text andappreciate the central role that chemistry plays in our lives through the unique use of real-world context and photographs.Chemistry3 tackles head-on two issues pervading chemistry education: students' mathematical skills, and their ability to see the subject as a single, unified discipline. Instead of avoiding the maths, Chemistry3 provides structured support, in the form of careful explanations, reminders of keymathematical concepts, step-by-step calculations in worked examples, and a Maths Toolkit, to help students get to grips with the essential mathematical element of chemistry. Frequent cross-references highlight the connections between each strand of chemistry and explain the relationship between thetopics, so students can develop an understanding of the subject as a whole.Digital formats and resourcesChemistry3 is available for students and institutions to purchase in a variety of formats, and is supported by online resources.The e-book offers a mobile experience and convenient access along with functionality tools, navigation features, and links that offer extra learning support: www.oxfordtextbooks.co.uk/ebooksThe e-book also features interactive animations of molecular structures, screencasts in which authors talk step-by-step through selected examples and key reaction mechanisms, and self-assessment activities for each chapter. The accompanying online resources will also include, for students:DT Chapter 1 as an open-access PDF;DT Chapter summaries and key equations to download, to support revision;DT Worked solutions to the questions in the book.The following online resources are also provided for lecturers:DT Test bank of ready-made assessments for each chapter with which to test your studentsDT Problem-solving workshop activities for each chapter for you to use in classDT Case-studies showing how instructors are successfully using Chemistry3 in digital learning environments and to support innovative teaching practicesDT Figures and tables from the book
