منابع مشابه
Howard Berg
to test whether termites of the Cryptotermes domesticus species might be able to discriminate between different sizes of wood. The team constructed experiments that presented termites with blocks of wood with a standard crosssectional diameter of 20x20 mm but of either 20 mm or 160 mm length. The insects were placed in a gap between the two faces of the timber blocks so that they were not able ...
متن کاملTribute to Alfred E. Chang.
It has been my distinct honor to co-edit this special issue of the Journal of Surgical Oncology about gastrointestinal stromal tumors (GIST) with Dr. Alfred E. Chang. This issue is dedicated to him in recognition of longstanding contributions to surgical oncology and tumor immunology. Dr. Chang is the Hugh Cabot Professor of Surgery and Chief of the Division of Surgical Oncology at the Universi...
متن کاملBritiangives rebels time to chang
had left “ an extraordinary impression” during his weeklong visit to the United States. “ We were both surprised at the degree of warmth arid enthusiasm among the people in welcoming the pope," the president said of his private White House talk with the pontiff. “ I had no idea it would be that enthusiastic.” Carter said he believes the pope's U.S. tour was “ one of the most dramatic and potent...
متن کاملChang 16_8
Endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) have been shown to communicate with each other via cytokine signaling during neovascularization. In this study, we investigated the effect of platelet-derived growth factor (PDGF), a cytokine released from tumors and ECs, on vascular endothelial growth factor (VEGF) expression in human VSMCs and underlying signal transduction path...
متن کاملBerg Literature Survey
My objective in this article is to add evidence for the belief espoused above regarding the two elds of (i) signal processing and (ii) control and estimation. I focus here on the interaction of specialties from (i), i.e., adaptive ltering, and (ii), i.e., adaptive identi cation and control. For evidence, I use three basic communication systems applications of adaptive ltering to evoke system id...
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ژورنال
عنوان ژورنال: American Journal of Public Health
سال: 2005
ISSN: 0090-0036,1541-0048
DOI: 10.2105/ajph.2005.072041