181,480 research outputs found
Dependence on roughness degree in 2-normed spaces
No full textRecently, in summability theory, some mathematicians have studied the concepts of convergence on 2-normed space and rough convergence in normed space. The concept of 2-normed spaces was initially introduced by Gähler in the 1960's. Since then, this concept has been studied by many authors. Gürdal and Pehlivan (2009) studied statistical convergence and statistical Cauchy sequence and investigated some properties of statistical convergence in 2-normed spaces. Gürdal and Açık (2008) investigated I-Cauchy and I^*-Cauchy sequences in 2-normed spaces. Sarabadan and Talebi (2011) studied statistical convergence and ideal convergence of sequences of functions in 2-normed spaces. Statistical convergence of sequences of functions in 2-normed spaces was studied by Yegül and Dündar (2017). Arslan and Dündar (2018a) investigated the concepts of I-convergence and I^*-convergence of functions in 2-normed spaces. Also, Arslan and Dündar (2018b) introduced the concepts of I-Cauchy and I^*-Cauchy sequences of functions in 2-normed spaces.
Phu (2001) first introduced the idea of rough convergence in finite-dimensional normed spaces. In [19], he showed that the set LIM^r x_i is bounded, closed, and convex; and he introduced the notion of rough Cauchy sequence and investigated some properties. He also investigated the relations between rough convergence and other convergence types and the dependence of LIM^r x_i on the roughness degree r. Arslan and Dündar (2018c) defined the concepts of -convergence and -Cauchy sequence in 2-normed space and also investigated some properties such as convexity, boundedness and closeness of -convergence.
In this paper, we examined the dependence of r-limit LIM_2^r x_n of a fixed sequence (x_n) on varying parameter r in 2-normed space
On some properties of rough convergence in 2-normed spaces
No full textThe concepts of convergence on 2-normed space and rough convergence in normed spaces are important in summability theory. The concept of 2-normed spaces was initially introduced by Gähler in the 1960's. Since then, this concept has been studied by many authors. Gürdal and Pehlivan (2009) studied statistical convergence and statistical Cauchy sequence and investigated some properties of statistical convergence in 2-normed spaces. Gürdal and Açık (2008) investigated I-Cauchy and I^*-Cauchy sequences in 2-normed spaces. Sarabadan and Talebi (2011) studied statistical convergence and ideal convergence of sequences of functions in 2-normed spaces. Yegül and Dündar (2017) investigated statistical convergence of sequences of functions in 2-normed spaces. Arslan and Dündar (2018a, 2018b) investigated the concepts of I-convergence, I^*-convergence, I-Cauchy and I^*-Cauchy sequences of functions in 2-normed spaces.
The idea of rough convergence was first introduced by Phu (2001) in finite-dimensional normed spaces. In [19], he showed that the set LIM^r x_i is bounded, closed, and convex; and he introduced the notion of rough Cauchy sequence and investigated some properties. He also investigated the relations between rough convergence and other convergence types and the dependence of LIM^r x_i on the roughness degree r. Arslan and Dündar (2018c) defined r-convergence and r-Cauchy sequence in 2-normed space and also investigated some properties of r-convergence.
In this study, we investigated relationships between rough convergence and classical convergence and studied some properties about the notion of rough convergence, the set of rough limit points and rough cluster points of a sequence in 2-normed space. Also, we examined the dependence of r-limit LIM_2^r x_n of a fixed sequence (x_n) on varying parameter r in 2-normed space
Determination of photosynthetic activities of C3 and C4 plants exposed to water deficit
No full textSu k tl ko ullar , tar msal alanlar n kullan labilirli ini azaltmakta ve tar msal ürünlerde verim kay plar naneden olmaktad r. Bu ara t rman n amac , tüm dünyada tar msal üretim için önemli bir problem olan su k tl n nbu day (Triticum aestivum L.) ve m s r (Zea mays L.) bitkileri üzerindeki etkisini fotosentetik aç dan incelemektir.Bu day ve m s r bitkileri fotosentezi iki farkl metabolik yolla gerçekle tirdi inden, su k tl nda C3 ve C4bitkilerinin fizyolojik ve metabolik davran lar aras ndaki farklar gerçek su içeri i, lipid peroksidasyonu, klorofila fluoresans , fotosentetik pigment içeri i, RuBisCo aktivitesi ve toplam çözünür eker içeri i parametrelerinceortaya konulmaktad r. Bu amaçla C3 bitkisi olan bu day ve C4 bitkisi olan m s r bitkilerine ait iki çe it (Geliboluve Ada-9516, s ras yla) 8 gün boyunca kontrollü iklim kabininde 25C de, % 40-50 nemde, 16 saat k/ 8 saatkaranl k fotoperiyodunda, 250 µmol m-2s-1 k yo unlu unda ½ kuvvet Hoagland çözeltisi kullan larak perlitortam nda büyütülmü lerdir. Ard ndan stres gruplar 7 gün boyunca -0.6 MPa PEG 6000 çözeltisi ile sulanm vesu k tl ko ullar olu turulmu tur. Su k tl incelenen tüm parametrelerce tah llar olumsuz yönde etkilemi tir.Tüm çe itlerin su içerikleri azalm , zar hasarlar artm , fotosentetik aktiviteler azalm t r. Bununla beraber,toplam çözünür eker oran ndaki art su k tl na kar koruyucu bir mekanizma olarak de erlendirilmi tir. Buara t rma sonucunda m s r n bu day bitkisine göre tüm parametrelerce su k tl ko ullar na daha dayan kl oldu ubelirlenmi tir.The water deficit conditions reduces the usability of agricultural lands and induces loss of productionof agricultural products. The aim of this study was to investigate the effect of water deficit which is an importantproblem for the agricultural productivity on wheat (Triticum aestivum L.) and maize (Zea mays L.) plants byphotosynthetically. Though wheat and maize plants carry out photosynthesis through two different metabolicpathways, the differences between the physiological and metabolic behaviors of C3 and C4 plants at water deficitconditions was presented by the parameters of actual water content, lipid peroxidation, chlorophyll a fluorescence,photosynthetic pigment content, RuBisCo activity and total soluble sugar content. According to this purpose,wheat cultivar as C3 plant and maize cultivar as C4 plant (Gelibolu and Ada-9516, respectively) were grown incontrolled growth chamber at 25C, 40-50% humidity, 16 h photoperiod and 250 µmol m-2s-1 light intensity with½ strain Hoagland solution in perlite medium for 8 days. Then, the stress groups exposed to -0.6 MPa PEG 6000solution to occur water deficit condition. Stress conditions adversely effected all investigated parameters of cereals.Actual water content and photosynthetic activities were decreased, membrane injury was increased of all cultivars.However, increased total soluble sugar ratio evaluated as defence mechanism to water deficit. In the conclusion ofthis study, maize is more tolerant to water deficit conditions with all parameter than wheat
Kahramanmaraş’ta 2005-2007 Yıllarında Anal Yoldan Cinsel Saldırı İddiası Bulunan Olguların Değerlendirilmesi
No full textKaranfil R, Toprak S, Arslan MM. Kahramanmaraş’ta 2005-2007 Yıllarında Anal Yoldan Cinsel Saldırı İddiası Bulunan Olguların Değerlendirilmesi. Adli Tıp Bülteni, Cilt 13, Sayı 1, 2008, sayfa 19-2
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
A Strategic Orientation Model for the Turkish Local e-Governments
No full textIncreased environmental uncertainty and complexity along with budget constraints requires public organizations to manage strategically as never before. The environments of public organizations have become increasingly turbulent and more firmly interconnected. During the past two decades, governments have innovated new management tools such as strategic planning, outsourcing, and performance measurement to deal with complex governance and networks to provide their public services. Meanwhile, the drive to implement e-government has resulted in the formulation of many e-government visions and strategies, driven by their own sets of political, economic, and social factors and requirements. With this regard, recent developments in e-service provision of Turkish Local e-Governments deserve empirical and well-structured research. Building on the recent literature, this study draws a strategic orientation framework and tests it by analyzing the contents of strategic documents of 114 Turkish Local e-Governments.Turkish Local e-Governments; e-Government Strategy; Strategic Orientation Model;
Neonatal screening: risk factors and outcome in 4400 children
No full textThe aim of this study was to determine the incidence of neonatal deafness and how effective screening could be in a cohort of infants under the national health service in Mestre Venice. The criteria used in the screening of a population at risk were those established by the JCIH (1990). All the children born between September 1992 and August 1995 (4408 infants) were examined in an attempt to identify risk factors. The children presenting one or more risk factors and those admitted to neonatal intensive care for any reason were submitted to ABR testing. The results were considered negative if the wave V was perceived at an intensity < or = 40 dB nHL. Of the 4408 children screened, a total of 5 were found with a degree of deafness in excess of 50 dB HL. Three children were found to be at risk while two had a silent history. In terms of etiology, 2 children showed genetic transmission, one there had a 21 trisomia while it proved impossible to determine the cause of deafness in the remaining two. As indicated in other studies, application of a risk register makes it possible to identify congenital deafness in 50-60% of the cases. For this reason the authors consider mass screening through the use of oto-acoustic emissions to be quite useful
IV Seminar on Audiology and Phoniatrics - International Course on Hearing Aids Vibrotactile Devices and Cochlear Implants - New Strategies in the Rehabilitation of Profoundly Deaf Children - December 1995
No full text"Closing the R&D Gap, Evaluating the Sources of R&D Spending"
No full textBoth spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
- …
