منابع مشابه
Architecture, City and Mathematics: The Lost Connection
The connection between architecture and science and sound based on mathematical relations has continued to develop[ since the rise of the Western classical civilization that originated in Ancient Greece. The mysterious Pythagorean cosmology pursued as secret esoteric knowledge was related to the search of rhythm, proportionality and harmony. Even somewhat earlier, Greek mysteries were based on ...
متن کاملTHE CONNECTION BETWEEN SOME EQUIVALENCE RELATIONS ON FUZZY SUBGROUPS
This paper, deals with some equivalence relations in fuzzy subgroups. Further the probability of commuting two fuzzy subgroups of some finite abelian groups is defined.
متن کاملNotch
The crux of development is that different cells need to be instructed to follow different developmental decisions. This involves signalling between cells so that each cell knows what its neighbour is doing. The Notch protein is pivotal for communication between cells during development and if Notch activity is perturbed, a cell may no longer be aware of which fate it should adopt. One consequen...
متن کاملThe Notch proteins
What are their known functions? They are best known for their role in ‘lateral inhibition’ in the developing fruitfly nervous system and in ‘lateral specification’ of several tissues in C. elegans. To put it simply, cells in a developing tissue communicate with one another through Notch receptors and their ligands. Those that receive a Notch signal assume one fate, whereas those that do not rec...
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ژورنال
عنوان ژورنال: Nature
سال: 1995
ISSN: 0028-0836,1476-4687
DOI: 10.1038/375736a0