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There are few fields of science that carbon-14 has not touched. A radioactive isotope of carbon, it stands out for its unusually long half-life. Best known for its application to estimating the age of artifacts-carbon dating-carbon-14 helped reveal new chronologies of human civilization and geological time. Everything containing carbon, the basis of all life, could be placed in time according to the clock of radioactive decay, with research applications ranging from archeology to oceanography to climatology.In Hot Carbon, John F. Marra tells the untold story of this scientific revolution. He weaves together the workings of the many disciplines that employ carbon-14 with gripping tales of the individuals who pioneered its possibilities. He describes the concrete applications of carbon-14 to the study of all the stuff of life on earth, from climate science's understanding of change over time to his own work on oceanic photosynthesis with microscopic phytoplankton. Marra's engaging narrative encompasses nuclear testing, the peopling of the Americas, elephant poaching, and the flax plants used for the linen in the Shroud of Turin. Combining colorful narrative prose with accessible explanations of fundamental science, Hot Carbon is a thought-provoking exploration of how the power of carbon-14 informs our relationship to the past.

Carbon --- Radiocarbon dating. --- Radioactive dating. --- Age determination, Radiometric --- Dating, Radioactive --- Dating, Radiometric --- Fission dating methods --- Radiometric age determination --- Radiometric dating --- Geochronometry --- Radioactivity --- Carbon dating --- Carbon-14 dating --- Dating, Radiocarbon --- Archaeological dating --- Radioactive dating --- Radiocarbon --- Isotopes. --- Measurement --- Radiocarbon dating --- isotopes --- Carbone --- Datation --- Datation radioactive. --- Méthode du carbone 14 --- Méthode du carbone 14. --- Carbon - isotopes --- Méthode du carbone 14 --- Méthode du carbone 14.

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À en juger par le succès que rencontrent à chacune de leurs éditions, le salon de l’automobile, le salon de l’aéronautique du Bourget ou les nombreuses expositions organisées sur les transports, cet ouvrage concernera des lecteurs de tous âges et d’occupations variées. La voiture surtout, mais aussi les transports en commun et le transport aérien, ont pris une telle place dans nos existences que les perspectives de crise ouvertes par la question de l’énergie sont causes de vives préoccupations chez tous les citoyens et toutes les collectivités. Des efforts de recherche très importants et variés sont consacrés par de nombreux acteurs, publics et privés, pour découvrir et mettre au point des réponses techniques aux transformations imposées par la raréfaction et le renchérissement de l’énergie, et par la demande sociale en matière de développement durable. Les thèmes explicités dans cet ouvrage ont pour une bonne part trait aux moyens d’économiser l’énergie : nouveaux matériaux pour alléger les structures, mise au point de carburants plus efficaces et moins polluants, développement de batteries pour la propulsion électrique. Chaque fois, le rôle central de la chimie apparaît et illustre la vigueur et la fécondité de la science et de la technologie chimiques. La place des transports, non pas comme un simple utilisateur d’énergie, mais comme un acteur participant – par exemple par ses capacités de stockage – à la gestion de la question énergétique ou – par exemple en « recréant » de façon nouvelle cette « route » qui est depuis toujours la base de nos campagnes – à l’aménagement de nos territoires. Exposés par des professionnels de l’industrie ou de la recherche publique, concrets et actifs sur ces sujets, ce livre fera progresser les lecteurs qui disposent d’une formation scolaire de base en matière scientifique et leur facilitera la compréhension du monde de demain.

Transport --- Transport durable --- Transportation --- Sustainable development --- Teneur en carbone --- Actes de congrès. --- Économies d'énergie --- Carbon content --- Congresses --- Energy conservation --- Environmental aspects --- Teneur en carbone. --- Économies d'énergie. --- Congresses. --- Économies d'énergie.

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Le réseau «Économie et développement urbain durable» a comme ambition de contribuer au développement de la recherche économique dans le domaine du développement urbain durable en prenant en compte les préoccupations des acteurs socio-économiques (élus, entreprises, associations). Ce réseau rassemble sept équipes de recherche : • le Centre international de recherche sur l'environnement et le développement (CIRED); • le Laboratoire d'économie de la production et de l'intégration internationale (LEPII); • le Laboratoire d'économie des transports (LET); • le Laboratoire ville, mobilité, transports (LVMT); • l'École des MINES ParisTech; • le Département économie et sciences humaines du Centre scientifique et technique du bâtiment; • la Mission climat de la Caisse des dépôts. Ce livre présente les travaux exposés et partagés lors de la deuxième réunion annuelle du réseau en 2010. Ces travaux sont dédiés aux inventaires des émissions urbaines et aux politiques publiques en faveur de la maîtrise de ces émissions dans le bâtiment ainsi qu'à la problématique de l'usage des sols dans le cadre de la mise en œuvre de politiques publiques des transports.

Sociology & Social History --- Social Sciences --- Communities - Urban Groups --- développement durable --- gaz à effet de serre --- politiques publiques --- transport --- environnement --- taxe carbone

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A unique and critical analysis of the wealth of research conducted on the biology, biochemistry and chemical ecology of the rapidly growing field of insect cuticular hydrocarbons. Authored by leading experts in their respective fields, the twenty chapters show the complexity that has been discovered in the nature and role of hydrocarbons in entomology. Covers, in great depth, aspects of chemistry (structures, qualitative and quantitative analysis), biochemistry (biosynthesis, molecular biology, genetics, evolution), physiology, taxonomy, and ecology. Clearly presents to the reader the array of data, ideas, insights and historical disagreements that have been accumulated during the past half century. An emphasis is placed on the role of insect hydrocarbons in chemical communication, especially among the social insects. Includes the first review on the chemical synthesis of insect hydrocarbons. The material presented is a major resource for current researchers and a source of ideas for new researchers.

Insects --- Insect biochemistry --- Cuticle --- Hydrocarbons --- Insectes --- Hydrocarbures --- Physiology --- Physiologie --- Insect biochemistry. --- Cuticle. --- Hydrocarbons. --- Organic compounds --- Skin --- Biochemistry --- Physiology. --- Composition --- Carbone --- Métabolisme --- Cuticules animales --- Hydrocarbures. --- Composés --- Écologie. --- Physiologie.

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To date, the second edition of the Rodd's series consists of 71 volumes and over 30,000 pages. Rodd's Chemistry of Carbon Compounds is continuing with a short series of topical volumes on emerging subjects that are not covered in detail in the main volumes. The first two topical volumes will cover organic electrochemistry and asymmetric catalysis . Asymmetric synthesis initiated by metal catalysts is, of course, not a new topic and asymmetric reduction and epoxidation of alkenes, in particular, are major subject areas covered widely in the Supplements to the 2nd Edition of Rodd's Chemistry of the Carbon Compounds. However, there has been a huge increase in the use of asymmetrically catalysed reactions in other areas in the last five years or so, and this is why this subject has been specially selected to form the content of a Topical Volume. The book does not dwell at length upon topics of great importance such as Sharpless epoxidation, or upon the control of stereochemistry through catalytic reduction of double bonds. These subjects have been exhaustively surveyed elsewhere. Instead it concentrates upon those topics that appear to be 'up and coming'. Only time can tell if all will be adopted as widely and successfully as their predecessors, but it now seems clear that chemists have at their disposal an ever increasing and formidable array of methods to effect total topological control of even the most complex target molecule. This book, written by some of the best young chemists, concentrating upon work in their own subject areas, provides a snap shot of the current 'state of play' in this a key test of their scientific ingenuity. In the Cumulative Index will be found the entire contents of the 2nd edition and both of the supplements, together with a list of main titles and chapter headings for each volume. This index will enable the reader to make better and easier searches in Rodd, which is the most compact, comprehensive and accessible survey of organic c

Carbon compounds. --- Carbon. --- Chemistry, Organic. --- Organic compounds. --- Chemistry, Organic --- Carbon compounds --- Chimie organique --- Carbone --- Composés --- Basic Sciences. Chemistry --- Organic Chemistry.