نتایج جستجو برای: century

تعداد نتایج: 112802  

2016
Robert Finkelstein

I became an undergraduate at Dartmouth College in 1933. The freshman course in physics was given by G.F. Hull who with E.L. Nichols, the founder of the Physical Review, was the first, with P. Lebedev in Russia to measure the pressure of light. (The world would learn sometime later about the diabolical importance of the pressure of light in enabling the hydrogen bomb.) Hull was a Canadian who ha...

2006
Edward L. Wright

In the century since Einstein’s anno mirabilis of 1905, our concept of the Universe has expanded from Kapteyn’s flattened disk of stars only 10 kpc across to an observed horizon about 30 Gpc across that is only a tiny fraction of an immensely large inflated bubble. The expansion of our knowledge about the Universe, both in the types of data and the sheer quantity of data, has been just as drama...

2012
Michael F. Jacobson

DOCUMENT RESUME

Journal: :Medical History 1986
G. E. Berrios

LEWIS THOMAS, The youngest science, Oxford University Press, 1983, 8vo, pp. viii, 276, £3.95 (paperback). Now in paperback, these are the reminiscences of the career of a successful, kindly, drily humorous, medical scientist. His most attractive trait is that of enjoyment. The son of a Flushing general practitioner, he moves through life, to Harvard, various residencies, Guam and Okinawa during...

2008
JEFFREY RICHARDS Joel H. Kaplan Sheila Stowell Oscar Wilde

Downloaded: 30 May 2012 IP address: 148.88.176.155 In his excellent introductory essay, Mayer not only discusses the theatrical history, nature, and function of the plays, but also their ideological significance both in Britain and America. He sees them as a response to many of the cultural and social anxieties of the age: the crisis of religious faith, the rise of feminism, the emergence of cl...

1995
Margaret A Boden

design of the first digital computer, in the hands of John Von Neumann, was strongly influenced by this work of 1943. Von Neumann himself rejected logic as the key to human thinking. Something much more like thermodynamics, he speculated, is needed. And in 1947—only just under half a century ago—Pitts and McCulloch published “How We Know Universals: The Perception of Auditory and Visual Forms.”...

2004
NEIL SCHNEIDERMAN MARJORIE A. SPEERS

The purpose of this volume is to provide a capsule view of the relationship of the behavioral and social sciences to pubIic health as we enter the 2 1st century. Historically, the genealogical tree of Western medicine often is traced to Hippucrates, who held a holistic concept of health and disease: “Health depends upon a state of equilibrium among the various internal factors which govern the ...

2002
Robert K. Elliott

Every aspect of the accounting profession is being pervasively affected by advances in information technology (IT). IT shifts power from producers (such as accountants and auditors) to consumers (such as investors, creditors, and other information users). Present and potential users of accounting and auditing services have increasing needs for relevant, reliable, and timely information, and IT ...

خاک مراتع ذخیره‏گاه مهم جهانی کربن بوده و هرگونه تغییر در این ذخیره‏گاه تأثیر زیادی بر انتشار دی‏اکسیدکربن به اتمسفر و گرمایش جهانی دارد. ظرفیت این ذخیره‏گاه به وسیله روابط متقابل پیچیده‏ بین عوامل متنوعی مانند اقلیم، خصوصیات خاک، نوع  پوشش‌گیاهی و اقدامات مدیریتی کنترل می‏شود. مدل‏های کربن برای فهمیدن اثر این فاکتورها بر کربن خاک در بلندمدت نقش مهمی دارند. مدل‏های کربن باید به طور صحیح در منطق...

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