نتایج جستجو برای: 150 and 150
تعداد نتایج: 16840357 فیلتر نتایج به سال:
Die Fachzeitschrift "Mitteilungen der Ãsterreichischen Geographischen Gesellschaft" (früher k.k. Gesellschaft in Wien") ⢠ist das wichtigste regelmäÃig erscheinende Organ "Ãsterreichischen Gesellschaft", erscheint seit 1857 und die älteste noch existierende geographischen Inhaltes im deutschen Sprachraum, vermittelt neue Erkenntnisse aus allen Bereichen Geographie, Kartographie verwandt...
Sub-picosecond electron pulses are desirable for generating femtosecond X-ray pulses. By numerical simulation, it has become clear that racetrack microtron (RTM) has unique features to produce very short electron bunches by itself. In addition, it has proved experimentally that RTM has beneficial characteristics to accelerate only an excellent quality beam in both emittance and energy spread. T...
This year we celebrate the 150th anniversary of the law of mass action. This law is often assumed to have been "there" forever, but it has its own history, background, and a definite starting point. The law has had an impact on chemistry, biochemistry, biomathematics, and systems biology that is difficult to overestimate. It is easily recognized that it is the direct basis for computational enz...
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