Coupling agents

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  • The first edition of Handbook of MRI Technique was a resounding success. The rapidly increasing number of radiographers and technologists entering the modality, coupled with the development of education and training courses worldwide, has resulted in an increased demand for MRI books of any shape and size. The education of radiographers, technologists and radiologists often lags behind the rapid technological advances in MR.

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  • The introduction of the technology for bonded composite repairs of metallic airframe structures could not have come at a more opportune time. Today, many countries are facing the challenge of aging aircraft in their inventories. These airframes are degrading due to damage from fatigue cracking and corrosion. Repair with dependable techniques to restore their structural integrity is mandatory. The concept of using bonded composite materials as a means to maintain aging metallic aircraft was instituted in Australia approximately thirty years ago....

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  • Acoustic fatigue is due to a very high intensity excitation as a result of pressure waves caused by either engine or aerodynamic effects. Acoustically-induced cracking has occurred on the external surface of the lower nacelle and aft fuselage skins on the F/A-18, as illustrated in Figure 19.1. In the former region, overall sound pressure levels greater than 170dB have been measured in flight [l]. These high sound pressure levels appear to be a result of an aerodynamic disturbance at the inlet lip....

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Contribution à l’étude du couple Fomes annosus-épicéa variabilité de l’hôte et de l’agent pathogène ...

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  • Brent Weinstein, head of the new UTA Online division, told The New York Times, “The barrier to entry is so low, everybody is now a potential artist.” The agents will look at unsolicited submissions, preferably as web links. New media’s impact on publishing The migration of consumers from print to new media has been dramatic. In 1892, London had 14 evening newspapers; now there is one (plus a couple of skimpy give-aways). In 1960, 80 percent of Americans read a daily paper; now it’s more like 50 percent. Naturally, the money follows the consumers, and the internet is where they...

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  • Natural and social scientists face a great challenge in the coming decades: to understand the role that humans play in ecosystems, particularly urban ecosystems. Cities and urbanizing regions are complex coupled humannatural systems in which people are the dominant agents. As humans transform natural landscapes into highly human-dominated environments, they create a new set of ecological conditions by changing ecosystem processes and dynamics.

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  • As in the first edition, I’ve tried to make this Encyclopedia a comprehensive source of informa- tion about matters relating to networking. I’ve also tried to present the information in a clear and useful manner. This book contains comprehensive, straightforward summaries of the major concepts, issues, and approaches related to networking. Networking is defined broadly to encompass configurations ranging from a couple of connected computers just a few feet apart to a network of several thousand machines (of all types and sizes) scattered around the world.

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  • During development of an undivided flow battery based on the Pb(II)/Pb and PbO2 /Pb(II) couples in aqueous methanesulfonic acid, it was noted that battery performance might be improved by additives that (i) decrease the roughness of the lead deposit at the negative electrode and (ii) enhance the kinetics of the Pb(II)/PbO2 couple at the positive electrode. This paper reports the study of sodium ligninsulfonate and polyethylene glycol as potential levelling agents for lead and of three inorganic ions as possible catalysts for the Pb(II)/PbO2 couple. ...

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  • The Internet is a loosely coupled federation of computer servers and clients. Clients are sometime disconnected, and yet they need to be able continue functioning. Rather than building tightly- coupled RPC-based applications, Internet-scale applications must be constructed as asynchronous tasks structured as workflows involving multiple autonomous agents. eMail gives an intuitive understanding of these design issues. You want to be able to read and send mail...

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  • The rapid erosion of privacy poses numerous puzzles. Why is it occurring, and why do people care about it? This paper proposes an explanation for many of these puzzles in terms of the increasing importance of price discrimination. Privacy appears to be declining largely in order to facilitate di®erential pricing, which o®ers greater social and economic gains than auctions or shopping agents.

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