منابع مشابه
William A . Yost and Stanley Sheft
A positive reinforcement, adaptive tracking procedure was used to study the intensity discrimination abilities of six chinchillas to noise signals. Increment detection thresholds were obtained using a two-down, one-up tracking rule. The effect of overall noise masker level and the effect of noise bandwidth on increment detection thresholds were studied, The continuous noise masker and the signa...
متن کاملWilliam Stanley Jevons and the Extent of Meaning in Logic and Economics
This paper shows that William Stanley Jevons was not precursor of logical positivism despite his attempt to build up a unified science. His mechanical reductionism was directed towards this project, and Jevons tried to found mathematics on logic through the development of a theory of number. We show that his attempts are unsuccessful, and that his errors remain visible within the totality of hi...
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متن کاملWilliam G. Kaelin Jr. and Gregg L. Semenza receive the 2012 ASCI/Stanley J. Korsmeyer Award.
Cells are able to sense the level of oxygen in their environment and can adapt by rapidly altering expression of various genes. This capacity has both positive and negative implications; following ischemic injury, it can help promote blood vessel growth and recovery, but in cancer, new vessel growth helps sustain developing and metastasizing tumors. In the 1990s, William Kaelin Jr. and Gregg Se...
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ژورنال
عنوان ژورنال: BMJ
سال: 2019
ISSN: 1756-1833
DOI: 10.1136/bmj.l6709