نتایج جستجو برای: uncertainly

تعداد نتایج: 255  

2013
Rong Wang

Although China has become the world’s second largest economy, a serious urgent issue of global consequences as well as the major obstacle in the process of China’s economic development is the lack of CSR. Through CSR initiatives, enterprises of all sizes, in cooperation with their stakeholders, can help to reconcile economic, social and environmental ambitions. Socially responsible supply chain...

Journal: :Age and ageing 2011
Clare Gardiner Mark Cobb Merryn Gott Christine Ingleton

BACKGROUND the need for access to high-quality palliative care at the end of life is becoming of increasing public health concern. The majority of deaths in the UK occur in acute hospitals, and older people are particularly likely to die in this setting. However, little is known about the barriers to palliative care provision for older people within acute hospitals. OBJECTIVE to explore the p...

2003
ANTHONY J. ZERA

SYNOPSIS. The endocrine mechanisms controlling the development and reproduction of flight-capable (longwinged) and flightless (short-winged or wingless) morphs of wing-polymorphic insects have been intensively investigated. The ‘‘classical model,’’ put forward in the early 1960s, postulates that morph-specific differences in development and reproduction are caused by variation in the titers of ...

2008
James Lindesay

A finite vacuum energy density implies the existence of a UV scale for gravitational modes. This gives a phenomenological scale to the dynamical equations governing the cosmological expansion that must satisfy constraints consistent with quantum measurability and spatial flatness. Examination of these constraints for the observed dark energy density establishes a time interval from the transiti...

2017
Gholamreza Farahani

Nowadays in the complicated systems, design of proper and implementable controller has a most importance. With respect to ability of fractional order systems in complicated systems identification as a first order fractional system with time delay, usage of fractional order PID has a proper result. From one side flexibility of fractional calculus than integer order has been topics of interest to...

2007
Ojan Assadian

There is no straight line to trace the trajectory of antiseptics; rather, this has been manifested more as a fluctuating line, a backwards and forwards movement, seen in the wake of major discoveries but of colossal mistakes too. While today no one would allow their prophylactic policies to be guided by miasma or contagia, there continues to be some uncertainly about how to manage anti-infectiv...

2016
Adam P. Fitzpatrick Amir Zaidi

Tilt-table testing for patients with unexplained syncope was first described in 1986 by Kenny et al. (1) and later by Almquist et al in the U.S. (2). The tilt protocols proposed differed, with the Westminster Protocol favoring prolonged passive tilt alone (1,3) and the Minneapolis Protocol routinely using isoproterenol provocation (2). Although there is now widespread acceptance of tilt testing...

2012
Guanqun Bao Yunxing Ye Umair Khan Xin Zheng

Wireless capsule endoscopy (WCE) is a noninvasive technology that provides excellent images of the intestinal lumen as the capsule moving along in the gastrointestinal (G.I.) tract. However, the biggest drawback of this technology is its incapability of localizing the capsule when an abnormality is found by the video source. Existing localization methods based on radio frequency (RF) and magnet...

2014

Occupational disengagement, social disengagement and retirement have remained very interesting topics of discussion among different professionals; gerontologist, geriatricians, social workers and pension administrators in the developing world. No doubt, this period in life especially in this part of the world, comes (though gradually) with a plethora of physiological, economic and psycho-social...

2011
Abdallah A. Al-Shammari

This study discusses the effect of uncertainty on production levels of a petrochemical complex. Uncertainly or variations in some model parameters, such as prices, supply and demand of materials, can affect the optimality or the efficiency of any chemical process. For any petrochemical complex with many plants, there are many sources of uncertainty and frequent variations which require more att...

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