نتایج جستجو برای: impact

تعداد نتایج: 760825  

Journal: :Journal of neurology, neurosurgery, and psychiatry 1997
E H Brilstra J W Hop G J Rinkel

Quality of life was measured by means of the sickness impact profile (SIP) questionnaire in a prospectively collected, consecutive series of 25 patients with perimesencephalic haemorrhage. A mean of two years and four months (range six months to six years) after the perimesencephalic haemorrhage, quality of life scores of the (former) patients were comparable with those of a random sample from ...

2009
Matthias C. Hoffmann János Hebling Harold Y. Hwang Ka-Lo Yeh Keith A. Nelson

Citation Hoffmann, Matthias C. et al. " Impact ionization in InSb probed by terahertz pump terahertz probe spectroscopy. Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story mat...

2017
Sandra L. Schmid

The San Francisco Declaration on Research Assessment (DORA) was penned 5 years ago to articulate best practices for how we communicate and judge our scientific contributions. In particular, it adamantly declared that Journal Impact Factor (JIF) should never be used as a surrogate measure of the quality of individual research contributions, or for hiring, promotion, or funding decisions. Since t...

2014
Helen Brown Jeffery Spickett

While health impact assessment (HIA) has typically been applied to projects, plans or policies, it has significant potential with regard to strategic considerations of major health issues facing society such as climate change. Given the complexity of climate change, assessing health impacts presents new challenges that may require different approaches compared to traditional applications of HIA...

2017
D. Tsamakis N. Glezos

The behaviour of the (I-V) characteristics is investigated in n+-i-n+ highly compensated Si resistors at temperatures 4.2-45K. The conduction mechanisms are discussed in detail here. The prebreakdown and breakdown regions of I-V characteristics were simulated by a one-dimensional model including the evidence of impurity high compensation and freeze out effects as well as the shallow-dopants imp...

2008
M. R. Talukder Y. Maron

In a recent paper [1], Talukder proposed a new empirical formula for electron-impact ionization cross sections of He-like ions that was claimed to excellently agree with the available experimental and theoretical data. Discussing this agreement, the author of reference [1] makes extensive comparison with our recommended formula of reference [2] (referred to as “BRY” in [1] although it would be ...

Journal: :Aslib J. Inf. Manag. 2014
Stefanie Haustein Vincent Larivière

Purpose – This study shows that the journal impact factor is not able to reflect the full impact of scholarly journals and provides an overview of alternative and complementary methods in journal evaluation. Design/methodology/approach – Aslib Proceedings (AP) is exemplarily analyzed with a set of indicators from five dimensions of journal evaluation, i.e. journal output, content, perception an...

2004
Isabelle Choquet

In this paper we study a partially ionized plasma that corresponds to an arc discharge at atmospheric pressure. We derive an inviscid hydrodynamic/diffusion limit, characterized by two temperatures, from a system of Boltzmann type transport equations modelling that plasma problem. The original property of this system is that impact ionization is a leading order collisional process. As a consequ...

2002
Sebastian Bruque Jose A. Medina

The relationship between the implantation and development of information technology (IT) and improvements in business performance has been a matter of interest to professionals and researchers in Management since the 1980’s. Despite numerous studies that have attempted to determine the full impact of IT, no conclusive results have as yet emerged. This situation has been termed the productivity ...

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