نتایج جستجو برای: had been devoted
تعداد نتایج: 2922954 فیلتر نتایج به سال:
You’ve Been Had! How the Media and Environmentalists Turned America into a Nation of Hypochondriacs.
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), one of the components of Agent Orange, has been reported to be a deadly poison despite its presence at extremely small doses. TCDD is reported to cause various kinds of cancers and other harmful effects on humans. However, a correlation between exposure to TCDD and acute coronary syndrome (ACS) is not yet proven. Thus, we examined the correlation betw...
In 1946 Emil Leon Post (Bulletin of Amer. Math. Soc. 52 (1946), 264 – 268) defined a famous correspondence decision problem which is nowadays called the Post Correspondence Problem, and he proved that the problem is undecidable. In this article we follow the steps of Post, and give another, simpler and more straightforward proof of the undecidability of the problem using the same source of redu...
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