Denver,Colorado

丹佛市,是美国西部科罗拉多州首府,位于雄伟壮丽的落基山东麓,濒南普拉特河,不仅风景秀丽。同时也是落基山区经济文化中心,到底是怎样的魅力让丹佛成为“美国人最希望居住的城市”呢？让我们一起来感受一下吧!     

Journalism

Michael Wynn Jones' A Newspaper History of the World (New York: Morrow, 1974—$15.95)

Problems of Journalism: Proceedings of the 1974 Convention, American Society of Newspaper Editors (ASNE, Box 551, 1350 Sullivan Trail, Easton, Pa. 18042—$6.25)

M.L. Stein's Shaping the News: How the Media Function in Today's World (New York: Pocket Books, 1974—$1.25, paper)

Raymond A. Schroth S.J., The Eagle and Brooklyn: A Community Newspaper, 1341-1955 (Westport, Conn.: Greenwood Press, 1974— $12.95)

American Newspaper Publishers Association News Research Bulletin (write to Mr. William Schabacker, Manager, Information Services, American Newspaper Publishers Association, P.O. Box 17407, Dulles International Airport, Washington, D.C. 20041)     

E-Journal Cataloging in an Age of Alternatives: A Survey of Academic Libraries

This article reports on a survey of U.S. academic libraries that was conducted in the spring of 2008 to determine if and how academic libraries were actively cataloging e-journals in the age of the OpenURL, A–Z journal lists, and the batch loading of purchased MARC records.     

Models for Curricular Materials Development: Combining Applied Development Processes with Theory

Developing curricular materials for technical and vocational education is particularly challenging because of the comprehensive requirements for technical education and the rapidity with which technical positions are evolving. Well-educated employees are expected to have general communication, reasoning, problem-solving, and behavioral skills in addition to occupation-specific technical knowledge. Furthermore, technical and vocational education materials must meet the needs of various contexts each with its own unique array of factors which must be accommodated. To assist in the process of materials development, this paper presents a comprehensive and contextualized model as a guide for curricular developers. This model was formed through the synthesis of two theoretical and four applied models, with the outline of the applied models occurring as part of a national evaluation of the National Science Foundation’s Advanced Technological Education Program. Examples illuminating the elements of the template are provided.     

Bond graph based sensitivity and uncertainty analysis modelling for micro-scale multiphysics robust engineering design

Components within micro-scale engineering systems are often at the limits of commercial miniaturization and this can cause unexpected behavior and variation in performance. As such, modelling and analysis of system robustness plays an important role in product development. Here, schematic bond graphs are used as a front end in a sensitivity analysis based strategy for modelling robustness in multi-physics micro-scale engineering systems. As an example, the analysis is applied to a behind-the-ear (BTE) hearing aid.By using bond graphs to model power flow through components within different physical domains of the hearing aid, a set of differential equations to describe the system dynamics is collated. Based on these equations, sensitivity analysis calculations are used to approximately model the nature and the sources of output uncertainty during system operation. These calculations represent a robustness evaluation of the current hearing aid design and offer a means of identifying potential for improved designs of multiphysics systems by way of key parameter identification.     

Findings of addition and subtraction in infants are robust and consistent: reply to Wakeley, Rivera, and Langer

Findings showing numerical computation abilities in infants are considerably more robust and consistent than Wakeley, Rivera, and Langer suggest. All the interim replication attempts have successfully replicated my original findings. Possible reasons for Wakeley et al.'s failure to replicate are discussed.