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نویسندگان
چکیده
منابع مشابه
How tribology has been helping us to advance and to survive
Movement between contacting surfaces ranges from macro to micro scales, from the movement of continental plates and glaciers to the locomotion of animals and insects. Surface topographies, lubricant layers, contaminants, operating conditions, and others control it, i.e., this movement depends on the tribological characteristics of a system. Before the industrial revolution, friction and wear we...
متن کاملHas there been any change in the comovement between the Chinese and US stock markets?
Article history: Received 29 February 2012 Received in revised form 31 July 2013 Accepted 5 August 2013 Available online 20 August 2013 This paper examines the comovement between the Chinese and US stock markets over the period between January 4, 2000 and January 13, 2012. We show that there is no cointegration relationship between the two markets, even when allowing for structural change. Thei...
متن کاملHas acromegaly been diagnosed earlier?
PURPOSE We investigated whether acromegaly has been diagnosed earlier at the Niigata Medical and Dental University Hospital. METHODS Patients with acromegaly (n = 81) who underwent their first transsphenoidal surgery from 2006 to 2015 were reviewed. Two groups were compared: those who underwent surgery between 2006 and 2010 (n = 35) and those who underwent surgery between 2011 and 2015 (n = 4...
متن کاملNDT theory has been updated.
Thc SEC developcd this statcment 1)1' revicwing kCI' educllional and historical documcl1ls of AOTA. A draft of this papel' was distributcd bmadly for review ancl commel1l to kel' constitucl1l groups ancl leadcrs of the Associarion, Two cycles of review were completed before the statement Ivas submitted to the Representarive Assembly in 1993. The intent of the statement is nor to delineate all p...
متن کاملHas the US Cancer Centre model been 'successful'? Lessons for the European cancer community.
The US model of Cancer Centres created by the National Cancer Act in 1971 has been one of the most tried and tested models of organised disease-specific scientific endeavors in the world. With many countries, particularly those in Europe now looking to develop the research arms of their National Cancer Control Programmes through the development of similar Cancer Centres the time is correct to c...
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ژورنال
عنوان ژورنال: Medical Express
سال: 2015
ISSN: 2318-8111
DOI: 10.5935/medicalexpress.2015.02.01