منابع مشابه
Overregulation of Health Care: Musings on Disruptive Innovation Theory
Health care costs in the United States are rising at an extraordinary rate. The escalation has been attributed to a variety of factors, including the managed-care backlash, consumer choice, consumerism in an aging society, and insufficient competition in the health care industry. In addition, anecdotal evidence suggests that regulatory control may be a significant driver of health care costs. I...
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Given the importance of advertising and the massive expenditures on it, evaluating its effectiveness is one of the key questions in marketing. Also endorser as the most commonly used communication tool, allocates a large portion of advertising costs and its use is still under development. In this project, we use Communicational and Observational approaches to explore the impact of utilizing ‘hu...
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~ scinating feature of cell locomotion is that net actin polymerization and depolymerization occur simultaneously at different locations in the cytoplasm, while the total concentration of polymerized actin remains roughly constant. Net polymerization occurs primarily at the cell front and net depolymerization occurs, depending on cell type, throughout or at the rear of the lamella (Wang, 1985; ...
متن کاملFocusing on Contraction
Focusing [1] is a proof-theoretic device to structure proof search in the sequent calculus: it provides a normal form to cut-free proofs in which the application of invertible and non-invertible inference rules is structured in two separate and disjoint phases. It is commonly believed that every “reasonable” sequent calculus has a natural focused version. Although stemming from proof-search con...
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Model-based diagnosis is based on first-principles reasoning using the behavioral specifications of the primitive components of a device. Unless the computational architecture of the model-based reasoning engine is carefully designed, combinatorial explosion renders the approach useless for devices consisting of more than a handful of components. This paper analyzes the diverse origins of this ...
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ژورنال
عنوان ژورنال: Chemical & Engineering News Archive
سال: 1975
ISSN: 0009-2347,2157-4936
DOI: 10.1021/cen-v053n035.p002