منابع مشابه
Umbrella sampling
The calculation of free-energy differences is one of the main challenges in computational biology and biochemistry. Umbrella sampling, biased molecular dynamics (MD), is one of the methods that provide free energy along a reaction coordinate. Here, the method is derived in a historic overview and is compared with related methods like thermodynamic integration, slow growth, steered MD, or the Ja...
متن کاملAn Umbrella Named Action Research
Action research is a means for creating meaning and promoting understanding of complex social situations, and improving the quality of human interactions and performance in those situations. Action research is one of the words that can be heard now frequently in the educational cycle, but there are several definitions for it. Literature review shows that several writers have referred to this co...
متن کاملAn Introduction to Umbrella Reviews
سخن سردبیر Editorial مجله دانشگاه علوم پزشکی رفسنجان دوره هجدهم، مهر 1398، 622-621 درآمدی بر مرور چتری An Introduction to Umbrella Reviews محسن رضائیان[1] M. Rezaeian آیونیدیس (Ioannidis) در سال 2009 میلادی توضیح روشنی از مرور چتری (Umbrella review) ارائه کرده است. وی توضیح می‌دهد که یک مرور چتری به طور نظام‌مند به جمع‌بندی و ارزشیابی نتایج حاصل از چندین مرور نظام‌مند و ی...
متن کاملExtending the Umbrella
sumes responsibility for the teaching of mentally handicapped children and the training of their teachers. On the surface, taking over from the Department of Health appeared to involve a minor readjustment, in fact repercussions have been loud and farreaching. Stanley Segal, principal of Ravenswood Centre for Special Education, clarifies the complexities and warns that the wrangles must be reso...
متن کاملVolcán Reventador’s unusual umbrella
[1] Photographs of a volcanic column in a recent eruption of Reventador show a prominently scalloped umbrella that is unlike any umbrella previously documented on a volcanic column. We propose that the scallops in this umbrella are the result of a turbulent Rayleigh–Taylor (RT) instability, a type of fluid instability with no precedents in volcanology. Negative buoyancy drives this instability,...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 1997
ISSN: 0096-3941
DOI: 10.1029/eo078i025p00258-01