单词 | Harold Urey |
例句 | Such experiments were first performed in the early 1950’s by Stanley Miller, then a graduate student of the chemist Harold Urey. Cosmos 1980-01-01T00:00:00Z Even Harold Urey, who was a member of the Briggs committee, had no luck obtaining access to other scientists’ work to help him develop an isotope separation process for uranium. Big Science 2015-07-07T00:00:00Z Of the other possible candidates, Compton could not be spared from Chicago, and Harold Urey, a chemist, was not qualified to manage a physics lab. Big Science 2015-07-07T00:00:00Z The episode began with a prickly remark by Columbia’s Harold Urey, a chemist who maintained a lively skepticism about the cyclotron’s usefulness. Big Science 2015-07-07T00:00:00Z Over a period of weeks, criticism mounted steadily in volume and color; in one interview, Harold Urey labeled the measure the “first totalitarian bill ever written by Congress.” Big Science 2015-07-07T00:00:00Z And at least two well-known scientists, the astronomer Ernst Öpik and the chemist and Nobel laureate Harold Urey, had also voiced support for the notion at various times. A Short History of Nearly Everything 2003-05-06T00:00:00Z Harold Urey, a Berkeley chemistry PhD working at Columbia, had set out to identify a heavy isotope of hydrogen that had been postulated by Raymond Birge, among others. Big Science 2015-07-07T00:00:00Z In the early 1950s, Stanley Miller and Harold Urey, building on ideas first proposed by Alexander Oparin and J. B. S. Haldane, performed an experiment that would be a counterpart to Burke’s search for “radiobes.” What Does It Mean to Be a Living Thing? 2021-03-24T04:00:00Z Stanley Miller and Harold Urey, two chemists at the University of Chicago, designed a closed glass loop to mimic the water cycle on an ancient Earth. Ocean spray may have created conditions for life to form on Earth, new study suggests 2022-10-07T04:00:00Z Stanley Miller and Harold Urey conducted experiments which demonstrated that several organic compounds could be formed spontaneously by simulating the conditions of Earth's early atmosphere. Biology for AP Courses 2022-06-09T00:00:00Z Arguments about plausibility have plagued the chemistry-based quest to understand life’s beginnings on Earth since the early 1950s, when American researchers Stanley Miller and Harold Urey performed a landmark experiment. The First Organism on Earth May Have Been a Genetic Hybrid 2020-06-22T04:00:00Z Harold Urey also worked for the Manhattan Project. From bomb to Moon: a Nobel laureate of principles 2019-10-13T04:00:00Z Haldane and the experiments by Stanley Miller and Harold Urey in 1953. Meet the Martians 2012-08-19T19:45:00.167Z How does Stanley Miller and Harold Urey’s model support the claim that simple precursors present on early Earth could have assembled into complex molecules necessary for life? Biology for AP Courses 2022-06-09T00:00:00Z |
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