منابع مشابه
The Bad Guys and the Good Guys in Petroleum Microbiology
There is more diversity among microorganisms such as bacteria than there is in the range of life from artichokes to zebras. Bacteria have successfully colonized virtually e very environment on earth because they can rapidly adapt to changing conditions, and use a large and varied number of nutrients to generate energy. How e ve r, until relat ively recently, the environments of many petroleum r...
متن کاملBacteria in molluscs: good and bad guys
The aquaculture of molluscs is seriously affected worldwide by bacterial pathogens that cause high losses in hatcheries as well as in natural beds. The main responsible for the mortality outbreaks is a number of Vibrio species that are considered important pathogens in aquaculture. The pathologies caused by vibrios in bivalves have been described since the 1960s; however, over recent years, suc...
متن کاملSecuring Wireless Localization: Living with Bad Guys
The infrastructure provided by wireless networks promises to have a significant impact on the way computing is performed. Not only will information be available while we are on the go, but new locationaware computing paradigms along with location-sensitive security policies will emerge. Already, many techniques have emerged to provide the ability to localize a communicating device [?], [1]–[4]....
متن کامل'Bad guys' among the antiparkinsonian drugs.
The first effective drugs for Parkinson's disease (PD) were anticholinergics, introduced at the end of 19.th century by Charcot. Since the introduction of levodopa in the sixties of the previous century, many new drugs have emerged for the treatment of Parkinson's disease: dopamine agonists (ergot as well as non-ergot, bromocriptine, pergolide, mirapexine, ropinirole), MAO B inhibitors (selegil...
متن کاملNice Guys Finish Fast and Bad Guys Finish Last: Facilitatory vs. Inhibitory Interaction in Parallel Systems.
Systems Factorial Technology is a powerful framework for investigating the fundamental properties of human information processing such as architecture (i.e., serial or parallel processing) and capacity (how processing efficiency is affected by increased workload). The Survivor Interaction Contrast (SIC) and the Capacity Coefficient are effective measures in determining these underlying properti...
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ژورنال
عنوان ژورنال: Health Affairs
سال: 1997
ISSN: 0278-2715,1544-5208
DOI: 10.1377/hlthaff.16.1.222