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Calculation of the thermodynamic quantities of perovskite metal organics DMAKCr and perovskite HyFe close to the weakly first-order relaxor-like structural transformation using the mean field theory
No full text#nofulltext# -- Tarı, Özlem (Arel Author)Weakly first-order or nearly second-order phase transitions occurring in metal{organic frameworks (MOFs), particularly in DMAKCr and perovskite HyFe, are studied under the mean field model by using the observed data from the literature. In this work, mainly thermal and magnetic properties among various physical properties which have been reported in the literature for those MOFs are studied by the mean field theory. By expanding the free energy in terms of the magnetization (order parameter), the excess heat capacity (Delta C-P) and entropy (Delta S), latent heat (L), magnetization (M) and the inverse susceptibility (chi(-1)) are calculated as a function of temperature close to the weakly first-order phase transition within the Landau phenomenological model which is fitted to the experimental data from the literature for C-P (DMAKCr and perovskite HyFe) and for magnetization M (HyFe).Our predictions of the excess heat capacity (Delta C-P) and entropy (Delta S) agree below T-c with the observed data within the temperature intervals studied for DMAKCr and perovskite HyFe. From our predictions, we find that magnetization decreases continuously whereas the inverse susceptibility decreases linearly with increasing temperature toward the transition temperature in those MOFs as expected for a weakly first-order transition from the mean field model
3D Printing Artificial Blood Vessel Constructs Using PCL/Chitosan/Hydrogel Biocomposites
No full textŞahin, Yeşim Müge (Arel Author)The present paper aims to overcome the problems related to previous use of autologous grafts using available synthetic grafts. To examine the optimum of the ideal vessel-like constructs parameters are produced at 230 degrees C. At this production temperature, the elastic modulus values of the constructs ranges from 56 MPa to 174 MPa. The maximum cell proliferation is obtained from PCL/7wt.%CS/5wt.%H that is tested by mitochondrial dehydrogenase activity. The structures are visualized with all constructs after cell fixation by making use of the HUVEC cell line
Does weight loss affect the parameters that are metabolically related to cardiovascular diseases?
No full textWOS: 000482650400004PubMed ID: 30957127Objectives: To assess the differences in the parameters that are metabolically related to cardiovascular diseases after weight loss in obese people with coronary artery diseases (CADs). Methods: This study was conducted on 184 patients who were diagnosed with CADs in Istanbul University Cardiology Institute Hospital, Istanbul, Turkey. The levels of leptin, fibrinogen, homocysteine, high-sensitivity C-reactive protein (hs-CRP), triglycerides, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol (LDL-C), fasting blood glucose and insulin, glycated hemoglobin, and uric acid of the obese patients who were put on calorie restricted diet were evaluated retrospectively and compared before and after weight loss. For comparison, non-obese control patients were also studied. Student's t-test and Chi-square test were used for the statistical analysis. Results: Levels of homocysteine, glycated hemoglobin, and leptin were significantly higher in the obese patients than in the non-obese patients. Diabetic obese patients with CADs lost (11.1%) and non-diabetic obese patients with CADs lost (10.5%) of their body weight in 6 months. The levels of cholesterol, LDL-C, and fibrinogen were significantly improved in both groups. Conclusion: The obese patients lost weight after being on calorie-restricted diets and showed significant improvement in the levels of cholesterol, LDL-C, fibrinogen. There was no significant difference in the levels of homocysteine, hs-CRP, and leptin before and after weight loss in both diabetic and non-diabetic obese patients
The Effect of violence against women news to public opinion: third level agenda setting research
No full textMedya hangi olayların yaşandığı ve hangi problemlerin olduğuna yönelik bilgileri kamuya aktarmaktadır. İnsanlar medya organlarını takip etmeseler bile medya iletilerini takip eden kişilerle iletişim içine girerek bir şekilde medyanın aktardıklarından haberdar olmaktadır. Gündem belirleme kuramı kamunun bilişsel olarak medyadan etkilendiğini söylemektedir. Ancak günümüzde bundan daha fazlasını iddia ederek medyada yer alan haberlerin konu ağlarının kamu zihninde de aynı ağı oluşturduğunu iddia etmektedir. Üçüncü aşama gündem belirleme ismi verilen bu çalışmalar geleneksel gündem belirleme araştırmalarından daha farklı yöntem ve programlar kullanmaktadır. Bu çalışmada kadına yönelik şiddet haberleri bağlamında medya ve kamuoyu gündem ağı benzerliği incelenmiştir. Çünkü kadına yönelik şiddet toplumsal bir sorundur. Kadına şiddet haberleri toplumsal yaşamın bir parçası olarak medyada sürekli karşılaştığımız haberlerdir. Başta kadın hakları savunucuları olmak üzere geniş çevrelerce bu durum sıkça eleştirilen bir seviyeye ulaşmıştır. Araştırmanın problemi kadına yönelik şiddet haberleri bağlamında medya gündemi ve kamu gündemi arasında üçüncü aşama gündem belirleme etkisi var mıdır? Sorusudur. Sonuç olarak kadına yönelik şiddet haberleri gündem ağı ile kadına yönelik şiddet konusu kamu gündem ağı arasında yüksek benzerlik olduğu kanıtlanmıştır
Study of the decay D-0 -> (K)over-bar(0)pi(-)e(+)nu(e)
No full textKolcu, Onur Buğra (Arel Author)We report a study of the decay D-0 -> (K) over bar (0)pi(-)e(+)nu(e) based on a sample of 2.93 fb(-1) e(+)e(-) annihilation data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. The total branching fraction is determined to be B(D-0 -> (K) over bar (0)pi(-)e(+)nu(e)) = (1.434 +/- 0.029(stat.) +/- 0.032(syst.))%, which is the most precise to date. According to a detailed analysis of the involved dynamics, we find this decay is dominated with the K*(892)(-) contribution and present an improved measurement of its branching fraction to be B(D-0 -> K*(892)(-)e(+)nu(e) = (2.033 +/- 0.046(stat.) +/- 0.047(syst.))%. We further access their hadronic form-factor ratios for the first time as r(V) = V(0)/A(1)(0) = 1.46 +/- 0.07(stat.) +/- 0.02(syst.) and r(2) = A(2)(0)/A(1)(0) = 0.67 +/- 0.06(stat.) +/- 0.01(syst.). In addition, we observe a significant (K) over bar (0)pi(-) S-wave component accounting for (5.51 +/- 0.97(stat.) +/- 0.62(syst.))% of the total decay rate
Evolution and future trends in global research on cadastre: a bibliometric analysis
No full textWOS: 000476495300019In this article, the global research status and future trends of cadastre were evaluated by using bibliometric analysis. This study is based on the analysis of research topics, scientific production, collaboration among countries and authors, and most cited papers on cadastre research which obtained from database of Scopus during the time period from 1958 to 2018. A total of 4220 papers were published in 128 different journals and most of them were original articles (2906, 68.8%) followed by conference paper (966, 22.9%). It found that Germany was the most productive country with 218 papers and 5.2% of total literature followed by United States and Australia. University of Melbourne was found to publish the highest number of documents with 85 papers and to cover 4.2% of the total literature followed by Delft University of Technology. Most used five keywords were "cadastre'', "GIS'', "surveying'', "mapping" and "land use'' (n=945, 791, 300, 296 and 294 times, respectively). The top two authors who contributed most were Williamson, I.P. (69 articles), Van Oosterom P. (40 articles). The top-cited publication was Analysis of land-cover transitions based on seventeenth and eighteenth century cadastral maps and aerial photographs written by Cousins, in Landscape Ecology in 2001
Improving performance of transcritical CO2 systems, using phase change materials (PCM) in a cold storage application
No full textBitzer;et al.;GEA Refrigeration;JCI-Sabroe;LU-VE Group;Thermofin GmbH8th Conference on Ammonia and CO2 Refrigeration Technologies, Ohrid 2019 -- 11 April 2019 through 13 April 2019 --#nofulltext# -- Yılmaz, Deniz (Arel Author)Thermal energy storage is one of the most promising solutions for energy savings and increasing efficiency. To improve the performance of cold storage applications, incorporating phase change materials (PCM) to these systems, is a new approach. In this study, the performance of a transcritical CO2 refrigeration with a PCM incorporated supermarket refrigerator was investigated experimentally. The supermarket refrigerator was operated at evaporation temperature of-10 oC and cooling capacity of 4.2 kW. The PCM was chosen to have a melting and freezing point temperature of-4 oC. Differential Scanning Calorimeter (DSC) device was used to determine properties of salt solutions such as melting/freezing temperatures and latent heat of fusion and freezing. In order to determine the system performance, compressor on-off time and its duration were measured for the cases with and without PCMs. It is revealed that by addition of PCMs, the compressors runtime was decreased meaningfully. © 2019 IIF/IIR
Legal, economic, economic, geographical and demographic analysis of the acquisition of Real Estate by foreign nationals in Turkey
No full textPolat, Zeynel Abidin (Arel Author)Real estate acquisition by foreign nationals in Turkey has been an issue of intense debate for a long time and has been subject to frequent legislative changes. The rights of foreign nationals with respect to real estate in Turkey were initially addressed in Land Registry Law No. 2644, which was passed in 1934, with additional amendments made to the law in subsequent decades. The aim of this study is to analyse the legal, economic, geographical and demographic impacts of real estate acquisition by foreign nationals to determine how a policy on this type of real estate acquisition should be implemented in Turkey. For the purposes of analysis, statistical data obtained from the General Directorate of Land Registry and Cadastre (GDLRC) and the Turkish Statistical Institute (TURKSTAT) are used. The author will also make reference to the most recently issued legal regulations. Regulations introduced at various points in time have facilitated the acquisition of real estate by foreign nationals and brought in some $41 billion in revenue to the national economy since 2003. When the geographical distribution of the real estate acquired by foreign nationals is considered, one can observe that the most popular cities are coastal (Istanbul, Antalya, Bursa, Aydin, etc.). Additionally, foreign nationals originating from almost every country in the world have so far acquired real estate in Turkey. The majority of those who have done so are Arabs (from Iraq, Kuwait and Saudi Arabia), Europeans (from Germany, the United Kingdom and Sweden) and Asians (from Afghanistan, Azerbaijan and Kazakhstan). Based on this analysis, suggestions are put forward regarding the policies that could be followed in Turkey when considering the acquisition of real estate by foreign nationals
Mediational role of rumination and reflection on irrational beliefs and distress
No full textArtıran, Murat (Arel Author), Şimşek, Ömer Faruk (Arel Author)Background: The cognitive restructuring of maladaptive beliefs within many cognitive behavioural psychotherapies typically encourages the client to undertake self-reflection. However, whilst self-consciousness can aid self-regulation, it is also implicated in a broad Grange of psychopathologies. The extent to which self-consciousness is associated with psychological distress is yet to be fully determined, but recent literature suggests that irrational beliefs, as proposed within rational emotive behaviour theory (REBT) may play an important role.Aims:The aim of the study was to test the mediational effects of self-consciousness, specifically reflection and rumination, on the relationship between irrational beliefs and psychological distress. Based on past research, it was hypothesized that reflection and rumination would mediate the positive relationship between irrational beliefs and psychological distress. We expected irrational beliefs to interact with rumination to positively predict psychological distress, and irrational beliefs to interact with reflection to negatively predict psychological distress.Method:The present research tested a structural equation model (SEM) in which rumination and reflection mediated the relationship between irrational beliefs and psychological distress.Results:Results indicated that rumination mediates the positive relationship between irrational beliefs and psychological distress. However, in contrast to our hypotheses, significant mediation did not emerge for reflection.Conclusions:This study is the first to show how irrational beliefs and rumination interact to predict psychopathology using advanced statistical techniques. However, future research is needed to determine whether similar mediational effects are evident with rational beliefs as opposed to irrational beliefs. © British Association for Behavioural and Cognitive Psychotherapies 2019
Measurement of e(+) e(-) -> K+ K- cross section at root s=2.00-3.08 GeV
No full textOnur Buğra Kolcu (Arel Author)The cross section of the process e(+) e(-) -> K+ K- is measured at a number of center-of-mass energies root s from 2.00 to 3.08 GeV with the BESIII detector at the Beijing Electron Positron Collider (BEPCII). The results provide the best precision achieved so far. A resonant structure around 2.2 GeV is observed in the cross section line shape. A Breit-Wigner fit yields a mass of M = 2239.2 +/- 7.1 +/- 11.3 MeV/c(2) and a width of Gamma = 139.8 +/- 12.3 +/- 20.6 MeV, where the first uncertainties are statistical and the second ones are systematic. In addition, the timelike electromagnetic form factor of the kaon is determined at the individual center-of-mass energy points