Kategoria BISAC: Science >> History

This book provides a comprehensive survey of the Kjeldahl method and its modifications. It covers all relevant topics, including sample digestion and its variables, distillation and determination of ammonia, equipment development, and concludes with a review of the literature published on the method. Since its introduction in 1883, the Kjeldahl method has been an essential analytical tool for nitrogen determination in research, academic and industrial laboratories. This makes the history of the Kjeldahl method of outstanding relevance to graduate students, postgraduate students,...

Astronomy is a field concerned with matters very distant from Earth. Most phenomena, whether observed or theorized, transcend human spaces and timescales by orders of magnitude. Yet, many scientists have been interested not just in the events that have occurred millennia before Earth's inception, but also in their very own society here and now.

Since the first half of the twentieth century, an increasing number of them have pursued parallel careers as both academics and activists. Besides publishing peer-reviewed papers, they have promoted a great variety of underrepresented groups...

A Global History of Influenza traces flu's changing identity as a global disease through the 20th century. This book explores how the virus was first characterised as an infectious disease without borders by British, European and American medical and public health professionals at the fin de siecle; it then illuminates the crucial role of the 1918-19 pandemic in transforming influenza into a paradigmatic global infection and one of the key problems of 20th-century international health.

Michael Bresalier charts the identification of the influenza virus in 1933 and how the...