David Bradley – författare

Applied Underwater Acoustics meets the needs of scientists and engineers working in underwater acoustics and graduate students solving problems in, and preparing theses on, topics in underwater acoustics. The book is structured to provide the basis for rapidly assimilating the essential underwater acoustic knowledge base for practical application to daily research and analysis.

Each chapter of the book is self-supporting and focuses on a single topic and its relation to underwater acoustics. The chapters start with a brief description of the topic's physical background, necessary definitions, and a short description of the applications, along with a roadmap to the chapter. The subtopics covered within individual subchapters include most frequently used equations that describe the topic. Equations are not derived, rather, assumptions behind equations and limitations on the applications of each equation are emphasized. Figures, tables, and illustrations related to the sub-topic are presented in an easy-to-use manner, and examples on the use of the equations, including appropriate figures and tables are also included.

The first of its kind, this series is devoted to the use of physical principles in the study and scientific conservation of objects with cultural heritage significance. It begins with a review of the modern museum, which discusses new techniques employed in the conservation of museum artifacts such as X-ray tomography and other techniques used to study Egyptian mummies, bones and mineralization of bones in the archaeological context, and the degradation of parchment. All of these topics and techniques are essential for the preservation of our history. This includes finding ways to preserve parchment documents and letters, which much of our written heritage is documented on, so that it can be used and understood for generations to come.

This book is a must have for any museum as well as any university that teaches or employs the techniques discussed.

鲍勃是个有着超大脑袋的小男孩，每天生活中麻烦不断，就像你和我一样。《大头鲍勃》的内容非常有趣，语言朗朗上口。通过冥想沉思 ，他学会了把自己的弱点转变成优势。鲍勃变成了一个强大、能给人带来快乐的孩子。鲍勃爱我们，我们也爱鲍勃!

鲍勃的头的确很大，但在故事里它也谕旨我们的自负、愤怒、焦虑、 体重问题或任何你认为的缺陷。这个故事讲述的是我们要停下来、深 呼吸，通过另一个视角，学会如何积极的改变。

大头鲍勃是个透明的人，不代表任何特定的种族或肤色，这点对我来说很重要。他的信仰是人。这样是想让他在各方面都更有包容性。请好好欣赏这本书吧!

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Emergency care professionals are increasingly expected to work autonomously when caring for patients with minor musculoskeletal injuries and conditions. They have to be able to competently and safely take a patient’s history, examine, diagnose and provide management of these conditions. Managing Minor Musculoskeletal Injuries and Conditions pulls together all these aspects of care into one practical, easy-to-read text.

Aimed principally at students undertaking minor injury and emergency care courses, this title is a comprehensive manual of minor musculoskeletal injuries and conditions, highly illustrated throughout and containing a variety of activities and exercises.

Key features:

Emergency care professionals are increasingly expected to work autonomously when caring for patients with minor musculoskeletal injuries and conditions. They have to be able to competently and safely take a patient’s history, examine, diagnose and provide management of these conditions. Managing Minor Musculoskeletal Injuries and Conditions pulls together all these aspects of care into one practical, easy-to-read text.

Aimed principally at students undertaking minor injury and emergency care courses, this title is a comprehensive manual of minor musculoskeletal injuries and conditions, highly illustrated throughout and containing a variety of activities and exercises.

Key features:

Language endangerment is a fundamental issue for humanity. What rights do minority communities have concerning their languages? How does each language conceptualize the world differently? How much knowledge about the world and a local ecosystem is lost when a language disappears? What is the process involved and how can insights about this process contribute to linguistic theory? What typological insights will be lost if undescribed languages disappear before their unique structural properties are known? How can language shift be stopped or reversed?This volume comprises:* a general overview introduction* four theoretical chapters on what happens during language shift* ten case studies of autochthonous languages under threat* four case studies of migrant languages at risk* three concluding chapters discussing strategies and resources for language maintenance.

Language endangerment is a fundamental issue for humanity. What rights do minority communities have concerning their languages? How does each language conceptualize the world differently? How much knowledge about the world and a local ecosystem is lost when a language disappears? What is the process involved and how can insights about this process contribute to linguistic theory? What typological insights will be lost if undescribed languages disappear before their unique structural properties are known? How can language shift be stopped or reversed?This volume comprises:* a general overview introduction* four theoretical chapters on what happens during language shift* ten case studies of autochthonous languages under threat* four case studies of migrant languages at risk* three concluding chapters discussing strategies and resources for language maintenance.