oalib

OALib Journal期刊

ISSN: 2333-9721

费用:99美元

投稿

时间不限

2017 ( 9 )

2016 ( 11 )

2015 ( 63 )

2014 ( 151 )

自定义范围…

匹配条件: “Adriana MURE?AN” ,找到相关结果约8567条。
列表显示的所有文章,均可免费获取
第1页/共8567条
每页显示
Correlated Criteria in Decision Models: Recurrent Application of TOPSIS Method
Cosmina Ioana BONDOR,Adriana MURE?AN
Applied Medical Informatics , 2012,
Abstract: The purpose of multicriteria decision models is to help decision maker to evaluate each alternative and to rank them in descending order of performance. A problem can appear when the criteria are not independent. This study explores the effect of multicollinearity between criteria in decision making with the technique for order preference by similarity to ideal solution (TOPSIS) and proposes an algorithm to resolve this problem. The algorithm was based on the application of the TOPSIS method several times until all the components are uncorrelated. The algorithm was applied on two examples from medical field to demonstrate its effectiveness. After we applied the purposed algorithm on two examples the index result from TOPSIS was equal correlated with all the criteria.
The Relation between the Romanian Commercial Banking Companies and the Corporate Social Responsibility
Laura Mure?an,Carmen Adriana Gheorghe
Bulletin of the Transilvania University of Bra?ov. Series VII : Social Sciences and Law , 2009,
Abstract: The relatively recent legal regulation regarding the field of the banking service consumer protection has been determined by the abusive commercial activity of the commercial banking companies. If the commercial banking companies had been aware of the need to comply with certain ethical principles in their relation with consumers – having a socially responsible behavior – then these principles would not legally have been sanctioned. That is why we consider that the significant sanctions to which the banks expose themselves at present are a consequence of the flagrant and repeated breach of the ethical principles in the field of consumer protection.
Influence of the Administration of a TNF-α Inhibitor on the Oxidant/Antioxidant Balance in Chronic Venous Insufficiency
Cristina Maria VAIDA VOEVOD,Remus MOLDOVAN,Nicoleta DECEA,Adriana MURE?AN
Applied Medical Informatics , 2012,
Abstract: Purpose: many studies in experimental models have evidenced the presence of inflammation in venous vascular dysfunction and the implication of TNF-α in vascular pathology, through its prooxidant and proinflammatory effect. Starting from these studies, we experimentally investigated the effect of treatment with a TNF-α inhibitor, etanercept, on the oxidant/antioxidant balance in rats, with the partial obstruction of the common femoral vein. Methods: the researches were carried out in 7 groups of animals (n=10 rats/group), 6 groups undergoing surgery and a control group. In 3 groups, the ligation of the common femoral vein was performed (groups 1, 2, 3), 3 groups underwent the ligation of the common femoral vein and received etanercept (groups 4, 5, 6), in a dose of 1 mg/kg, one dose per week, according to data found in literature. The serum indicators of the O/AO balance were determined: indicators for oxidative stress (malondialdehyde (MDA), protein carbonyls (PC)), indicators for non-enzymatic AO defense (thiol groups (SH), hydrogen donors (HD ), glutathione (GSH)) at weeks 1, 2 and three. Results and Conclusions: chronic venous insufficiency with and without anti-TNF-α treatment induced changes in the oxidant/antioxidant balance compared to the control group; after the administration of the anti-TNF-α preparation, oxidative stress was maintained on account of MDA that increased significantly, and decreased significantly on account of PC compared to the untreated groups; after the administration of the anti-TNF-α preparation, at two and three weeks there was an insignificant increase in antioxidant defense on account of HD and GSH compared to the untreated groups; the administered anti-TNF-α preparation had late and insignificant effects in chronic venous insufficiency.
Postnatal Development of the Retina in Rats Exposed to Hyperoxia: A Fractal Analysis
Anne Claudia ?tef?nu?,?tefan ??lu,Viorel Micl?u?,Adriana Mure?an,Remus Moldovan,Bianca Szabo
ISRN Biomedical Imaging , 2013, DOI: 10.1155/2013/589327
Abstract: Purpose. The aim of this study was to investigate and quantify changes in the newborn rats retinal layers during the hyperoxia (80% O2) exposure using fractal analysis. Materials and Methods. This study was conducted on two groups of 20 newborn rats: a control (normal) group (10 rats) and an experimental group (10 rats). The control group was composed of 10 newborn rats, which were placed at 12 hours after birth, in a pediatric incubator, together with their mother, in conditions of normoxia for 21 days. The experimental group consisted of 10 newborn rats, which were placed at 12 hours after birth, in a pediatric incubator with their mother, in conditions of normoxia for 7 days, then 7 days of hyperoxia (80% O2) for 22.5 hours/day, and then 7 days in conditions of normoxia. Slaughtering of the rats was performed on day 21 and the eye globes were harvested in order to perform histopathological examinations. The fractal analyses of the retinal digital images were performed using the fractal analysis software Image J, and the fractal dimensions were calculated using the standard box-counting method. Results. Microscopic examination revealed a normal development of the retina in the control group. In the experimental group, all the animals exposed to hyperoxia revealed both structural and vascular abnormalities on entire retina. Conclusions. The results showed that the fractal analysis is a valuable tool to quantify histoarchitectural changes in the newborn rats retinal layers during the hyperoxia (80% O2). 1. Introduction In the last few decades important efforts have been directed to understand various aspects of the newborn rats retinal layers, for clinical diagnostics and treatment [1–4]. The rat’s retina is immature at birth, being comparable with that from human fetuses of 26 weeks, and allows tracking its development postnatally [1]. Exposure to oxigen of rat pups retina, during the first days after birth, develops an oxygen-induced retinopathy (OIR), similar to human retinopathy of prematurity (ROP) [2–4]. Retinopathy of prematurity is a leading cause of blindness in children [5–9]. Newborn rat model represents a solution to study normal and abnormal development of primary visual system of human subjects [4]. The cycle hyperoxia-normoxia mimics ischemia-reperfusion and leads to retinal neovascularization [2–4, 10–12]. This experimental model could be useful in the study of angiogenesis occurring in other potentially blinding retinal diseases (e.g., diabetes), cancer, and degenerative diseases and in the study of the effect of some substances with
Global attractivity without stability for Liénard type systems
Marian Mure an
International Journal of Mathematics and Mathematical Sciences , 2001, DOI: 10.1155/s0161171201010262
Abstract: We are concerned with some conditions such as the trivial solution of a planar system of differential equations (including the Liénard system) that is globally attractive but not stable. We emphasize the connection with some nonoscillatory conditions. The results are related to the previous ones obtained by Hara in 1993.
ELEMENTE DE INTERDISCIPLINARITATE N STUDIUL REGIONAL AL RII VRANCEI
Alexandru MURE?AN
Geographia Napocensis , 2011,
Abstract: Elements of interdisciplinarity in the regional study of the Vrancea Land. Pointing out specific elements of a land type region in Romania within a study of regional geography is a vast work. These regions being so complex, both regarding the component elements, as well as the processes and phenomena that are to be found at regional level, studying them means using interdisciplinary methods, or methods that are specific to other fields of research. This work has as purpose highlighting the connections that the regional geography has with other sciences and the way it can be influenced by those.
REZULTATE MANAGERIALE ASUPRA INDICILOR DE AUTOCORELA IE SPA IAL I ANALIZA SCHIMB RILOR SPA IALE PRIVIND INDICATORUL NUM RUL DE MEDICI N JUDE UL BIHOR” N PERIOADA 1992 – 2004
Florin Mure?an
Studia Universitatis Vasile Goldis Arad, Seria Stiinte Economice , 2011,
Abstract: To obtain concrete results in the health management through G.I.S. we are forced to resortto “spatial autocorrelation indices”. Moran Index and Geary's ratio has well definedstatistical properties to describe the global spatial autocorrelation. They are not effective inidentifying different types of models for meeting space. They are described as “hot spots”or “cold spots” sometimes. If high values are close to each other, the two local indexes willregister acceptable high positive spatial autocorrelation. These values can be classified ashot spots. The existing classification of Public Health Directorate of Bihor County was usedfor existing hospitals at the time of the study: clinical hospitals, municipal and cityhospitals, health centres and single-specialty hospitals. Each of those types of hospital wasincluded in the digital map layer.
LES PARTICULARITéS DES SéISMES DE VRANCEA
Alexandru MURE?AN
Geographia Napocensis , 2009,
Abstract: The particularities of the earthquakes in Vrancea. The unique seismicity of Vrancea resides from the concourse of conditionings in this area and is due especially to the great tectonic mobility. The frequency of seismic movements in Vrancea is high and they usually have an intermediary character. They frequently take place in the same seismic focus, but, fortunately, the catastrophic earthquakes do not have aftershocks. The careful surveillance of the epicentral area is a first step in predicting earthquakes and avoiding human loss in case a major seismic event is produced.
EVOLUTION OF TOURISM IN EUROPEAN CONTEXT
Maria MURE?AN
Revista de Turism : Studii si Cercetari in Turism , 2009,
Abstract: Tourism globalization requires seeking solutions to the problems that involves sustainable development. Tourism sustainable development should meet the present needs of tourists and regions that receive tourists, leaving open the gates to further development of tourism with the preservation of cultural and natural heritage for future generations. Romania, with an experience of over 2000 years in tourism activities, in present its improves the forms of tourism exercise, tourism infrastructure and is in the stage of adopting a strategy of tourist activities, taking into account the experience of advanced countries, the scientific developments from the large university and academics centres. Romania has universal opportunities, specific, unique in tourism development. Romania cannot (nor should) take to a model developed and used in other countries of the world. Romania has its own scientific and practical potential which to substantiate its own strategy, entirely original, which to apply through methods, also, fully specific. Such an orientation cannot be explained only by historical experience or by originality of geographical conditions, climate, traditions, customs, arts, culture, etc.
Le temps des croisades
Radu Mure?an
Journal for Communication and Culture , 2011,
Abstract: About time, much has been written and much more will be. The problem of time was discussed by philosophers, mathematicians, philologists, philosophers, men of the church, each looking in a different perspective, new and revolutionary at the beginning, futuristic and hypothetical today. The perspectives that we can approach time are almost limitless as does the way each of us, ordinary people or genius researchers of humanity, stands in relation to time. There is a time based on pre-established principles, which build upon the human senses, there is a solar time, a universal time and even a civil time. Through no fault, we can say that the civil time is, perhaps, the most complex since it encompasses a wide range of relationships over time. Thus, in most cases, time is a personal time but still subject to time "customary", that is to say, universal time, solar, accepted by human standards.
第1页/共8567条
每页显示


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.