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spec: In a test of their modeling framework , Tang and his colleagues used shopping information from 548 households gathered over a 2-year period to examine purchases of ice cream , frozen pizza , regular cereal , spaghetti sauce , yogurt , coffee , hot dogs , and potato chips ) . Enforcement of this provision has not yet started in earnest . If that 's the case , S. 1214 would be a true judicial nightmare . This activity can be described in terms of mathematical expressions called random matrices , which were originally used to describe the quantum energy levels of large atoms or heavy atomic nuclei . President Bush used the same economic reasoning when he rejected the Kyoto Protocol in 2001 , an international treaty requiring 35 industrial nations to cut their global-warming gases by 5 percent on average below 1990 levels by 2012 . The dual construction corresponding to the concavity of distance from the boundary of a space of nonnegative curvature is also considered . Hence , the probability that a consumer purchases a certain brand on a given trip to the supermarket is simply the probability that a consumer buys a product from a particular category multiplied by the conditional probability that a certain brand is chosen when a purchase is made . Nevertheless , Dingell has promised to move aggressively on the climate issue , planning a series of hearings beginning next week , and he has asked former Vice President Al Gore , among the loudest voices on the climate issue , to testify . Happersett 's set of beautifully printed , accordion-folded artbooks , Box of Growth , features grid spaces that are filled in with a specific number of strokes per row , where the number is determined by the Fibonacci sequence . Asia , and Europe ) . maybe I ' m still in the honeymoon phase . " In this mathematical language , it is the number of strokes per grid space that holds significance , " she says . Hsu has been nominated president of silicon foundry Vanguard International Semiconductor by Taiwan Semiconductor Manufacturing Co ., Vanguard 's largest stakeholder . `` Westernized '' African advertising - contrast with Wodaabe . The journey of adult learning that you begin here does not stop when we ring the bell in May , 2008 .