منابع مشابه
Boundary Issues
Compartmentalization is essential for most biological processes. Yet, selective permeability of biological boundaries matters. For many cellular processes, ions, small molecules, peptides, RNAs, and large multicomponent complexes must be able to transit across membranes and perturbation of this exchange can cause disease. The challenge is how to preserve a boundary while still allowing necessar...
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introduction as a dynamic phenomenon, boundary is one of the basic issues in political geography and geopolitics. it is not a geographical and fixed phenomenon; rather, it has its own internal dynamic features, creates new realities, and affects the lives of people and groups living in its vicinity. different types of boundaries, such as political, social, economic, and virtual can be impenetra...
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That a journal for the philosophy of chemistry such as Hyle devotes several issues to nanotechnology does not mean that nanotechnology would overtake chemistry, as Eric K Drexler boldly predicted when he claimed that molecular manufacture would relegate current chemical technologies in the prehistory of mankind, along with chipping flint (Drexler 1986, p. 4). Rather nanotechnology is only one p...
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Boards have evolved into complex systems and even collections of interacting systems. Test engineers struggle to find out how these systems are initialized and booted because of poor documentation. While Boundary-Scan (IEEE Std 1149.1) [IEEE93, Park98] is a powerful test tool, test engineers are finding out that yesterday's DFT rules and test approaches may actually be detrimental to successful...
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ژورنال
عنوان ژورنال: Environmental Research Letters
سال: 2011
ISSN: 1748-9326
DOI: 10.1088/1748-9326/6/1/011001