نتایج جستجو برای: fifty

تعداد نتایج: 69001  

Journal: :The Journal of Cell Biology 2005
Ira Mellman

With the publication of this issue we celebrate 50 years of astonishing and enlightening cell biology in the pages of this journal. In January 1955 the Journal first appeared as the Journal of Biophysical and Biochemical Cytology; in 1962 the name changed to the Journal of Cell Biology, catalyzing the development of cell biology as a discipline, a function the JCB serves to this day. The...

2001
W.John Hutchins

The history of machine translation is described from its beginnings in the 1940s to the present day. In the earliest years, efforts were concentrated either on developing immediately useful systems, however crude in their translation quality, or on fundamental research for high quality translation systems. After the ALPAC report in 1966, which virtually ended MT research in the US for more than...

2007
GEORGE W. WHITEHEAD William S. Massey G. W. WHITEHEAD

The subject of homotopy theory may be said to have begun in 1930 with the discovery of the Hopf map. Since I began to work under Norman Steenrod as a graduate student at Chicago in 1939 and received my Ph.D. in 1941, I have been active in the field for all but the first ten years of its existence. Thus the present account of the development of the subject is based, to a large extent, on my own ...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2012

Journal: :National Science Review 2018

Journal: :The Boston Medical and Surgical Journal 1888

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید