Mechanique

In 1978, the European Mechanics Committee and the French Centre National de la Recherche Scientifique agreed to the organization of an Interna tional Colloquium on the "Mechanical Behavior of Anisotropic Solids". The meeting was held at Villard-de-Lans (near Grenoble, France) from 19th to 22 nd June 1979. The Colloquium considered mechanical aspects of the anisotropy of solids, both initial and induced by permanent deformation, anisotropic hardening and damage, oriented fissuration, etc. Topics concerned mathematical, experimental and engineering aspects of the anisotropy of metals, composites, soils and rocks. The aim of the Colloquium was to bring together experimentalists, theoretecians and engineers interested in various features of mechanical anisotropy, in order to permit an interdisciplinary exchange of understanding, experience and methods. A detailed description of the scope, aim and proposed topics is contained in the Preface. The announcement of the Colloquium attracted a large number of sub mitted contributions. Conforming with the principles of Euromech Colloquia and of the Colloques Internationaux du CNRS, the accepted contributions were limited to 50 communications. A general description of the scientific program is to be found in the Preface. Five general lectures gave state-of-the-art reports concerning some areas of the behavior of anisotropic solids; the 50 communications were divided into 12 sessions dealing with specific topics (see "Contents"). In order to facilitate subsequent contact between the reader and the contributors, full addresses are given in the "List of Authors."

Dams are planned, constructed, and operated to meet human needs - generation of energy, irrigated agricultural production, flood control, public and industrial supply, supply of drinking water, and various other purposes. Dams impound water in reservoirs during times of high flood that can be used for human requirements during times with inadequate natural flows. Positive impacts of dams are improved flood control, improved welfare resulting from new access to irrigation and drinking water. Without dams there would be insufficient food to feed the world’s people and energy would be generated by burning fossil fuels that produce greenhouse gases. Despite this progress there remain significant concerns about the environmental impacts of dams. These environmental impacts are complex and far reaching, remote of the dam, and may occur in time with the dam construction or later and may lead to a loss of biodiversity and of productivity of natural resources. This bulletin compiles improvements in knowledge and state of the art technology to avoid or mitigate environmental impacts of dams on the natural ecosystem as well as to the people that depend upon them for their livelihood and also addresses the mitigation of environmental impacts on dams and reservoirs. Les barrages sont planifiés, construits et exploités de manière à répondre aux besoins humains. Les barrages retiennent l'eau dans les réservoirs pendant les périodes de forte crue, une eau qui peut être utilisée pour les besoins de l'homme pendant les périodes d’insuffisance des débits naturels. Les impacts positifs de barrages sont le contrôle des crues et l'amélioration du bien-être résultant du nouvel accès à l'irrigation et à l'eau potable. Sans barrages, la production alimentaire serait insuffisante pour nourrir la population du globe et l'énergie serait générée en brûlant des combustibles fossiles qui produisent des gaz à effet de serre. Malgré ces progrès, d'importantes préoccupations subsistent quant aux retombées des barrages sur l’environnement. Les impacts environnementaux sont complexes et d’une grande portée. Ils peuvent se produire au moment de la construction du barrage ou plus tard et peuvent entraîner une perte de la biodiversité et de la productivité des ressources naturelles. Le présent bulletin compile l'amélioration des connaissances et des technologies les plus récentes pour éviter ou atténuer les impacts environnementaux des barrages sur l'écosystème naturel ainsi que pour les personnes qui en dépendent pour leur subsistance. Il aborde également l'atténuation des impacts environnementaux sur les barrages et les réservoirs.

Assembled from a series of newspaper articles first published in the newspaper Morning Chronicle throughout the 1840s, this exhaustively researched, richly detailed survey of the teeming street denizens of London is a work both of groundbreaking sociology and salacious voyeurism. In an 1850 review of the survey, just prior to its initial book publication, William Makepeace Thackeray called it "tale of terror and wonder" offering "a picture of human life so wonderful, so awful, so piteous and pathetic, so exciting and terrible, that readers of romances own they never read anything like to it." Delving into the world of the London "street-folk"-the buyers and sellers of goods, performers, artisans, laborers and others-this extraordinary work inspired the socially conscious fiction of Charles Dickens in the 19th century as well as the urban fantasy of Neil Gaiman in the late 20th. Volume III explores the lives of: the "destroyers of vermin" street musicians "exhibitors of trained animals" dock laborers cab drivers steamboatmen vagrants and more. English journalist HENRY MAYHEW (1812-1887) was a founder and editor of the satirical magazine Punch.

Now nominated for the Nebula Award for Best Novel of 2011." Come inside and take a seat; the show is about to begin... Outside any city still standing, the Mechanical Circus Tresaulti sets up its tents. Crowds pack the benches to gawk at the brass-and-copper troupe and their impossible feats: Ayar the Strong Man, the acrobatic Grimaldi Brothers, fearless Elena and her aerialists who perform on living trapezes. War is everywhere, but while the Circus is performing, the world is magic. That magic is no accident: Boss builds her circus from the bones out, molding a mechanical company that will survive the unforgiving landscape. But even a careful ringmaster can make mistakes. Two of Tresaulti's performers are entangled in a secret standoff that threatens to tear the circus apart just as the war lands on their doorstep. Now the Circus must fight a war on two fronts: one from the outside, and a more dangerous one from within.

Environmental Fluid Mechanics provides comprehensive coverage of a combination of basic fluid principles and their application in a number of different situations-exploring fluid motions on the earth's surface, underground, and in oceans-detailing the use of physical and numerical models and modern computational approaches for the analysis of environmental processes. Environmental Fluid Mechanics covers novel scaling methods for a variety of environmental issues; equations of motion for boundary layers; hydraulic characteristics of open channel flow; surface and internal wave theory; the advection diffusion equation; sediment and associated contaminant transport in lakes and streams; mixed layer modeling in lakes; remediation; transport processes at the air/water interface; and more.