ans les deux sites, les acteurs publics et privés mettent en place différents types d’actions en vue de préserver l’environnement qui se traduisent par des pressions environnementalistes sur les agriculteurs. Le premier type de pression renvoie à l’application des réglementations existantes par les pouvoirs publics ou par des acteurs pr…
Aqueous solutions are subject to bacterial or enzymatic degradation but may be preserved by initially boiling the solution for a short time to inactivate any enzymes present; microwave irradiation can also be used. Aqueous solutions may also be preserved by the addition of an antimicrobial preservative such as 0.1% w/v benzoic acid, 0.1% w/v sodium benzoate, or a mixture of 0.17% w/v methylpara…
The seven articles in this volume, written by French and German specialists in book history, address various aspects of the materiality of print culture, examining both the processes of book production and the paths of book circulation. They explore notions of composition, collection and circulation of texts and images, from manuscript to books designed for specific readers. They are based on a…
Bringing together the latest research on megalithic monuments throughout the world, 150 researchers offer 72 articles, providing a region-by region account in their specialist areas, and a summary of the current state of knowledge. Highlighting salient themes, the book is vital to anyone interested in the phenomenon of megalithic monumentality.
The stadium, adorned with flags from throughout the world, is packed. On a central arena, thousands of performers present a rich, colorful spectacle to spectators both present and the millions throughout the planet watching it on television. At last, the parade of nations starts, beginning with the Greek delegation and continuing with those of every nation in the world, with that of the host co…
Though the guitar as we know it is only about a century and a half old, its roots as a plucked stringed instrument go back deep into history. Many ancient folk instruments have followed the basic strings-stretched-overfretboard-and-played-with-fingers design for thousands of years, and the guitar is in some ways the culmination of that legacy. It seems humans have always had something like the …
This ICME-13 Topical Survey is designed to provide an overview of contemporaryresearch in the philosophy of mathematics education. This is a broad cluster ofoverlapping but at times disparate themes. In thefirst instance, this publicationexposes some of the problems and questions in mathematics education that thephilosophy of mathematics education clarifies, illuminates and sometimes helps toso…
The purpose of the anthology is to provide stories with ample and accurate astronomy spanning a range of topics covered in introductory courses. Instructors in high school and college may find these stories useful, as some students may learn concepts more easily through story than from lecture. Fans of science fiction with good science should also enjoy these stories. Contributions include both…