نتایج جستجو برای: 1924
تعداد نتایج: 4204 فیلتر نتایج به سال:
Radioastronomer who won share of Nobel for role in discovering pulsars.
OBJECTIVE To investigate commonalities in the clinical presentation of melancholia over time. METHOD I conducted a comparative study to 2 epidemiologically complete databases from 1875-1924 and 1995-2005. RESULTS Patients in the historical period (1875-1924, compared with 1995-2005) with a diagnosis of melancholia show a classic profile of endogenous onset, with remission after 6 months, ne...
assumed to be 286 km. sec.1in direction of 550 longitude6 is allowed for, very little change is brought about in the results of the computation. The velocity of the clouds then proves to be 90 km. sec.-' radially, and 583 km. sec. -1 tangentially, with respect to this center and no appreciable change takes place in the constants of the hyperbolic or elliptic orbits. The plane of the orbit, howe...
The late Dr. Togo Horiuchi significantly contributed to the establishment and development of the Tohoku University Cardiovascular Surgery Department. Although the history of cardiovascular surgery in the Tohoku University School of Medicine began in the latter half of 1950s, full-fledged operation began after the Cardiothoracic Surgery Department was established in 1971 with the cooperation of ...
The field of structural biology lost a giant on July 25, 2013, when Hugh E. Huxley passed away at age 89. At the time of his death, he was professor emeritus of biology at Brandeis University. But for much of his career, he was at the Medical Research Council (MRC) Laboratory of Molecular Biology (LMB) in Cambridge, United Kingdom. Huxley joined the American Society for Cell Biology in 1982. In...
مفهوم تحدید مسئولیت مالک کشتی در قرن یازدهم میلادی شناسایی شد و تا قرن نوزدهم در حقوق داخلی کشورها توسعه یافت. در قرن نوزدهم، با توجه به اهمیت حمل ونقل دریایی برای توسعۀ تجارت بین المللی و تعارض قوانین در حمل ونقل دریایی بین المللی، نیاز به یکسان سازی مقررات مربوط به حمل ونقل دریایی بین المللی، به ویژه قواعد مربوط به تحدید مسئولیت احساس می شد. اولین گام در جهت یکسان سازی قواعد بین المللی تحدید ...
In view of the recent investigations on the effect of temperature changes on biological processes (Crozier, 1924-25, a, b; Crozier and Federighi, 1924-25; Crozier and Sfier, 1924-25, a, b; Glaser, 1924-25) it became of interest to reexamine the relation between temperature and the rate of pulsation of the contractile vacuole of Paramecium. Kanitz (1907) found in four different species of Infuso...
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