منابع مشابه
Twenty-Five Years of Progress in the Three-Nucleon Problem
Twenty-five years ago the International Few-Body Conference was held in Quebec City. It became very clear at that meeting that the theoretical situation concerning the He and H ground states was confused. A lack of computational power prevented converged brute-force solutions of the Faddeev or Schrödinger equations, both for bound and continuum states of the three-nucleon systems. Pushed by exp...
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Current guidelines necessitate varying degrees of long-term anticoagulation in patients with mechanical heart valve(s) to prevent thrombotic and embolic complications. We describe a patient with a functioning aortic mechanical valve without anticoagulation for 23 years. A 68-year-old man had an aortic valve (St Jude Medical) replacement in 1984. His native valve was incompetent from infective e...
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In looking back at previous issues of RNA and my own eight RNA papers, what strikes me, in addition to all the great science that’s been published in our society journal over the past 20 years, is the evolution (or more properly, revolution!) in the methods and technologies we use. Equally striking has been the exponential increase in the amount of data in each published paper. In two decades, ...
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In 1994, a total of 159,959 marriages were performed in Canada, up only slightly from 159,316 the year before. This small increase had no effect on the crude marriage rate, which remained at 5.5 marriages per 1,000 population. Aside from a brief uptum in the late 1980s, Canada's marriage rate has fallen quite steadily since the early 1970s. The overall decline is also evident when rates are dis...
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As I was reflecting deeply in front of the statue of Bodhisattva of Gr~ and Wisdom in the University Muset~n, I was startled to see Jane. Having heard from Don that he had asked the old cats to reflect on the 20 years of ACL, Jane had decided that she should drop in on some of them to seek their advice concerning the future of ACL. I wish to thank Alice, the Cheshire Puss, and Lewis Carroll for...
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ژورنال
عنوان ژورنال: Journal of Japan Institute of Light Metals
سال: 1953
ISSN: 0451-5994
DOI: 10.2464/jilm.1953.9_5