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Acute exposure guideline levels for selected airborne chemicals / par Levels,, Subcommittee on Acute Exposure Guideline. Publication : [S.l.] : National Academies Press, 2002 . 292 p. ; , Broché. 23 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

National security and homeland defense : challenges for the chemical sciences in the 21st century / par Century,, Committee on Challenges for the Chemical Sciences in the 21st. Publication : [S.l.] : National Academies Press, 2002 . 122 p. ; , Paperback. 23 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des lettres et sciences humaines et sociales (1),

Opportunities in high magnetic field science / par Science,, Committee on Opportunities in High Magnetic Field. Publication : [S.l.] : National Academies Press, 2005 . 188 p. ; , High-field magnets - those that operate at the limits of the mechanical and/or electromagnetic properties of their structural materials - are used as research tools in a variety of scientific disciplines. The study of high magnetic fields themselves is also important in many areas such as astrophysics. Because of their importance in scientific research and the possibility of new breakthroughs, the National Science Foundation asked the National Research Council to assess the current state of and future prospects for high-field science and technology in the United States. This report presents the results of that assessment. It focuses on scientific and technological challenges and opportunities, and not on specific program activities. The report provides findings and recommendations about important research directions, the relative strength of U.S. efforts compared to other countries, and ways in which the program can operate more effectively. 25 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

The Quarantine and certification of martian samples / par Exploration,, Committee on Planetary and Lunar. Publication : [S.l.] : National Academies Press, 2002 . 92 p. ; , Paperback. 27 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

Thinking strategically : the appropriate use of metrics for the climate change science program / par Research,, Committee on Metrics for Global Change. Publication : [S.l.] : National Academies Press, 2005 . 162 p. ; , The Climate Change Science Program (CCSP) and its predecessor U.S. Global Change Research Program have sponsored climate research and observations for nearly 15 years, yet, the overall progress of the program has not been measured systematically. Metrics - a system of measurement that includes the item being measured, the unit of measurement, and the value of the unit - offers a tool for measuring such progress; improving program performance; and demonstrating program successes to Congress, the Office of Management and Budget, and the public. This report lays out a framework for creating and implementing metrics for the CCSP. A general set of metrics provides a starting point for identifying the most important measures, and the principles provide guidance for refining the metrics and avoiding unintended consequences. 23 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

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