منابع مشابه
A Global Experiment UnderWay
HABITAT LOSS AND FRAGMENTATION ARE THE principal drivers of biodiversity loss, notably in the tropics (7). One of the most immediate results of fragmentation is the loss of top predators. As early as 12 years ago, evidence was provided for top-down effects of predator removal in tropical forest mammalian communities (2). Now, in their report "Ecological meltdown in predator-free forest fragment...
متن کاملMobile telephone study underway.
Epidemiologists at the University of Leeds in the United Kingdom will study victims of brain tumors over the next 3 years to determine if the use of mobile phones has contributed to the victims cancers. At the same time, the researchers will study the use of mobile phones by an equal number of people without cancer. Epidemiologist Tricia McKinney, PhD, who will lead the study said, “The causes ...
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While continuing to defend his besieged health-care reform law against lawsuits and repeal threats, US President Barack Obama is championing a new health initiative. This one also has a bold goal: to radically change the medical treatment patients receive in the USA. “I want the country that eliminated polio and mapped the human genome to lead a new era of medicine—one that delivers the right t...
متن کاملA Virtual Vehicle Approach to Underway Replenishment
The problem of coordinated control of a leader-follower system is solved using a virtual vehicle approach to alleviate information requirements on the leader. The virtual vehicle stabilizes to a shifted reference position/heading defined by the leader, and provides a reference velocity for the synchronization control law of the follower. Only position/heading measurements are available from the...
متن کاملThe Information-Seeking Funnel
We introduce a new conceptual framework for information seeking called the information-seeking funnel, inspired by a common model of how people are attracted to products they end up buying. By using this model, we are able to better understand why current search tools are inadequate for several stages of the information-seeking process. At the same time, we explore what characteristics tools th...
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ژورنال
عنوان ژورنال: Theology Cataloging Bulletin
سال: 2010
ISSN: 1548-8497
DOI: 10.31046/tcb.v18i3.1441