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Koleksiyondaki öğeler
- MakaleAçık Erişim2019Metallographic Aspects Investigation of Penstock Materials in Hydroelectric Power Plants and Penstock Maintenance Methods
Taşgın, Yahya; Kahraman, Gökhan
Hydroelectric power plants are renewable energy sources and have little impact on the environment.Therefore, it is one of the most preferred energy sources in the world. In parallel with this situation, it isvery important that the hydroelectric power plants are maintained, their failures are prevented orpermanently removed. One of the most important parts of hydroelectric power plants is penstock pipes.Along with the snail part of the power plant, the penstock supplies the pressurized water to the turbinewheel for energy production. In the power plants that have been producing energy for many years, themaintenance and material properties of penstock are very important. In this study, one of the most importantequipment of hydroelectric power plants, pressurized water pipes (penstock) and chemical componentshave been examined in macro and micro structure and their maintenance is investigated. In themetallographic study on the samples taken from two different regions of the penstock pipe; the perliticstructure, which has a homogeneous distribution into the ferritic structure forming the matrix, is determinedand supported by analyzes. This study will help to ensure that all hydroelectric power plants operatesmoothly in terms of penstock.
AtıfOpenAlex2
İncele - MakaleYalnız künye2019Return and volatility spillover between emerging stock markets and crude oil
Demireli, Erhan; Gençyürek, Ahmet Galip
Due to the free movement of capital and advancing technology, the interaction between markets increase day by day. While analysing markets; the interaction direct to companies, individual and institutional investors and policymakers to considering different markets as well as domestic news. One of the most important among these markets is the oil market. The oil market has significant impacts on macroeconomic indicators (inflation, interest rates and unemployment, etc.) and production costs, sales revenues and cash flows of firms. According to this, the aim of the study is to reveal the relationship between emerging stock markets and oil market. For this purpose, WTI crude oil price and MSCI Emerging Market Index were analysed by Moon and Yu (2010) approach in the period span from 2012 to 2018. As a result of the analysis ; there is a return spill over from crude oil markets to emerging stock markets. In case of opposite direction, volatility spill over was determined. The findings will contribute to the decision-making process of investors, policymaker and researchers for the analysed period.
AtıfTR Dizin6İncele - MakaleAçık Erişim2019Production and Characterization of Carbon-Kevlar-Aramid Reinforced Layer Composites with VARTM Method
Taşgın, Yahya; Sahin, Engin Sahin
In this study, laminated composite materials are produced by Vacuum Assisted Resin Transfer Molding(VARTM) Method. Three different reinforcement materials (carbon, kevlar and aramid) are used in theproduction phase. Tensile test is applied to the samples after the production and in the light of SEM images;fractured surfaces of the samples and their results are evaluated.
- Derleme MakaleYalnız künye2018The Effect Of Sun-Language Theory On The Name Of Marıne Vehıcles Accordıng To Archıve Documents
Yedek, Şahin
Strengthening the foundations of the Republic of Turkey, one of the important activities carried out within the scope of the work to create nation-states he was also experienced in the alphabet and language. Mustafa Kemal Atatürk wanted to put the Turkish language in the forefront of the Arabic and Persian languages, which had been on the second plenary for centuries. Atatürk, who was aiming to go to the West in science and technology, thought that the local resources in Turkish would be cleverly selected and used, making foreign words unnecessary.In line with this aim, in 1928 the alphabet reinforcement was made to Latin letters, and then language simplification activities were concentrated in the context of Turkish word search activities to keep foreign words on the ground. These studies, which flew in the first half of the 1930s, were slowed down in 1936 by the Sun-Language Theory, which claimed that the origin of all languages was Turkish, and a kind of unnecessary redundancy was put forward. In this study, the effects of the Sun-Language Theory on the maritime sector and maritime transport have been tried to be put forward by taking archive changes as a basis for name changes. 16 etymological evaluations given to marine vessels are given in detail, the name change of 108 sea vehicles is presented in a table.
- MakaleAçık Erişim2018Examination of Mathematics Teacher Candidates' Reasoning Skills on Geometric Shapes in Terms of University and Class Level Variables
İlhan, Aziz; Aslaner, Recep
In this study, mathematics teacher candidates' Reasoning Skills on Geometric Shapes are examined in terms of university and class level variables. For this reason, relational survey model was used in the study. The participants of the research are 266 mathematics teacher candidates who are studying at the two universities in Eastern and Southeastern Anatolia regions during the fall semester of 2015-2016. As a data collection instrument, the Reasoning Skill Test on Geometric Shapes (RSTGS) was developed by the researcher. Based on the class levels of the participants, Frequency (f), Percent (%) and Average (𝑋 ̅) values, according to whether the data are homogenously distributed or not are compared to ANOVA, Tukey and t-tests. According to the obtained data, it was found that the reasoning skills of mathematics teacher candidates were moderate in geometrical shapes, this level was found to have a significant difference between some classes, and also the result of showing significant difference according to the university variable. As a result of the findings obtained from the research, it has been suggested that experimental studies involving teaching methods to improve reasoning skill levels on geometric shapes of mathematics teacher candidates can be performed.
AtıfOpenAlex6TR Dizin7İncele - MakaleYalnız künye2019The lodge of sarı saltık centered ın the karaca vıllage of tunceli-hozat and analysıs of a document about the lodge
Kökel, Coşkun
Khalifas of Haji Bektash Veli has priority and important place in the history of AleviBektashi belief. Dervishes, who were trained by Haji Bektash Veli and sent to different points of Anatolia and Balkan geographies to establish faith-dede lodges in 13th century. They have been the principal carrier and representative in the development of AleviBektashi belief in Eurasia. Sarı Saltık is one of the most important dervishes trained by Haji Bektash Veli. Sarı Saltık has been the most important organizer of the thought of Haji Bektash Veli since 13th century especially in Rumelia. Sarı Saltık, who also has a faith-dede lodge with his name in Karaca village of Tunceli-Hozat, is one of the important leaders of Alevi-Bektashi faith not only in Balkans but also in Anatolia. The lodge of Sarı Saltık has an activity area centered in Karaca village of Tunceli-Hozat and spreading to Eastern and Central Anatolia regions. The lodge of Sarı Saltık has been one of the most dynamic faith center of Alevi belief throughout the history in Tunceli region. Members of the lodge of Sarı Saltık, who are from Karaca, have maintained their position that is not only limited with religious mission but also active in the social and political environment in Tunceli region throughout the history. In this study, religious and historical information about the lodge of Sarı Saltık will be analyzed through an archive document that was given to dede family menbers of the lodge of Sarı Saltık, who were the residents of Karaca village of Tunceli-Hozat, by Ottoman Empire in the beginnings of 20th century and that shows the authority of nakîbü’leşrâf qaymaqam.
- MakaleYalnız künye2019Şii jeopolitiğinde türkiye ile iran’ın güç mücadelesi
Güneş, Ergin
İran ve Türkiye arasındaki güç savaşı ve savaşın mezhepsel boyutunun ele alındığı bu çalışmadaaktörlerin bölgede izledikleri siyaset sonuçlarıyla birlikte ortaya konulacaktır. Soğuk Savaş’ın bitmesininardından, ABD’nin 1991 ve 2003 yıllarında gerçekleştirdiği Irak’a yönelik müdahaleler ve akabinde 2010’dabaşlayan Arap Baharı’ndan sonra Orta Doğu’da yeni dengeler oluştu. İran, bölgesel bir güç olarak Irak,Suriye ve bölgede özellikle Şiilik kozunu kullanarak etkinliğini arttırmaktadır. İran’ın hedeflediği “ŞiiHilali’nin” gerçekleşmesi durumunda ise Türkiye’nin Sünni-Arap dünyasıyla olan coğrafi bağı kopacaktır.Buna engel olmak ve bölgede nüfuzunu artırmak isteyen Türkiye Sünniliği ön plana çıkarmaktadır. Aynışekilde Sünni ve Şii azınlıklar da bulundukları ülkedeki güç dengesini kendi lehlerine değiştirmek amacıylaİran ya da Türkiye gibi bir dış gücün desteğini almak için mezhepsel farklılıklarını araçsallaştırmaktadırlar.Aktörlerinin İran ve Türkiye olarak ele alındığı güç oyununda mezhepler bir enstrüman olarak kullanılmaktave her aktör diğerinin güç kazanımını kendisinin güç kaybı olarak algılamaktadır.
AtıfTR Dizin5İncele - MakaleYalnız künye2019Döviz Kurlarında Periyodik Dalgalanmalar
Balibey, Mesut; Akdi, Yilmaz
Bu çalışmada Türkiye ekonomisindeki 02.01.2013 ile 11.12.2018 dönemi günlük (5 işgünü) döviz kurlarındaki döngüler, periodogramlar yardımıyla belirlenmeye çalışılmıştır.Çalışmada günlük Türk lirası karşısında Dolar kapanış (Xt) ve Euro kapanış (Yt) değerleridikkate alınmıştır. Analizler sonucunda bu iki serinin de aynı periyodlarda hareket ettiğigözlenmiştir. Günlük döviz kurlarının durağanlığı standart birim kök testlerinin yanındaperiodogram tabanlı birim kök testi ile de sınanmış ve her iki serinin de birinci derecedenbütünleşik olduğu gözlenmiştir. Birinci derece fark serilerinde 4, 6 ve 7 günlük periyodlargözlenmiştir.
- MakaleYalnız künye2019Genetic Diversity Analysis of Aydın/Turkey Dittrichia viscosa (L). Greuter (Asteraceae) Populations Using RAPD Markers
Paksoy, Mehmet Yavuz; Sevindik, Emre; Uzun, Sefa
In this study, we performed a genetic diversity using RAPD markers for some Dittrichia viscosa populations grown in the Aydın region of Turkey. Total genomic DNA isolation from the leaves of Dittrichia viscosa was performed using commercial kit. eight RAPD primers were used to determine genetic diversity among populations. Polymerase Chain Reaction (PCR) was performed with all DNA samples and primers with ability of scoreing band. PCR products were run in agarose gel and visualized under UV light. They scored as there were bands (1) and no bands (0) at all gel images and their files were created. A total of 50 characters were obtained from the primers. Phylogenetic relationships and genetic distances between the cultivars were calculated by using the PAUP* 4.0b10 analysis program. According to the PAUP data, the closest genetic distance was determined 0.20000 and between Central and İncirliova populations, the most distant genetic distance were determined 0.36842 between İncirliova and Koçarlı populations. In the phylogenetic analysis has been obtained using UPGMA algorithms and phylogenetic tree consist of two clades. The results also propose that RAPD markers are useful tools for indicating genetic relationships among Dittrichia viscosa populations.
- MakaleAçık Erişim2019Assessment of Biomarkers of Oxidative Stress and Antioxidant in Wild and Farmed Çoruh trout (Salmo coruhensis) Spermatozoa
Benzer, Fulya; Erişir, Mine; Kocabaş, Mehmet; Kutluyer Kocabaş, Filiz
Behaviour and physiology in fish are affected from environmental factors. Particularly, habitat and culture environment in aquatic animals are essential for life stages. In this study, biomarkers of oxidative stress and antioxidant were compared in wild and farmed Çoruh trout (Salmo coruhensis) spermatozoa. In spermatozoa of Çoruh trout, lipid peroxidation (malondialdehyde), glutathione and enzymatic antioxidant activities (catalase, superoxide dismutase, glutathione peroxidase) were assessed. Our data demonstrated that superoxide dismutase (0.44±1.25 Umg-1 protein), catalase (15.21±4.69 k.g-1 protein), glutathione peroxidase (42.89±0.61 Ug-1 protein), glutathione (0.18±4.01 μmolg-1 cell) and malondialdehyde (2.49±0.12 nmol.g-1 cell) levels in wild fish were low compared to spermatozoa of farmed fish. Overall, alterations in malondialdehyde levels and the antioxidant status could be differences in habitat.
AtıfOpenAlex1İncele - MakaleAçık Erişim2019Türkiye’deki Pylaisietum polyanthae Felf. 1941 Üzerine Bir Not
Alataş, Mevlüt; Ezer, Tülay; Batan, Nevzat; Erata, Hüseyin
Çifteköprü ve Karagöl Tabiat Parkı (Borçka-Atvin)’nın epifitik briyofit vejetasyonunun araştırıldığı buçalışmada, 2018 yılının farklı vejetasyon dönemlerinde, ağaç gövdelerinden alınan örneklik alanların,klasik Braun-Blanquet metodu ile değerlendirilmesi sonucunda; Pylaisietum polyanthae sintaksonuTürkiye’den ikinci kez belirlenmiştir. Tanımlanan bu sintakson, ekolojik ve floristik açıdan analizedilerek sunulmuştur.
AtıfOpenAlex2TR Dizin3İncele - MakaleAçık Erişim2019Comparing of Glutathione Levels of Some Bryaceae (Bryophyta) Species
Alataş, Mevlüt; Çöteli, Ebru; Batan, Nevzat; Hazer, Yasin
In this study, Reduced Glutathione (GSH) and Oxidized Glutathione (GSSG) levels of Bryum argenteum, Imbribryum mildeanum, Ptychostomum imbricatulum (I, II), Ptychostomum moravicum (I, II, III) and Ptychostomum capillare were determined with High-performance Liquid Chromatography (HPLC). GSH and GSSG levels of species were determined as Bryum argenteum 232.70 ± 13.40 µg/g ve 4,22 ± 1.20 µg/g; Imbribryum mildeanum 135.55 ± 6.66 µg/g ve 26.97 ± 2.50 µg/g; Ptychostomum imbricatulum (I) 107.44 ± 8.71 µg/g ve 153.05 ± 9.85 µg/g; Ptychostomum imbricatulum (II) 207.97 ± 13.58 µg/g ve 107.67 ± 4.55 µg/g; Ptychostomum moravicum (I) 172.89 ± 6.35 µg/g ve 12.53 ± 2.59 µg/g; Ptychostomum moravicum (II) 172.15 ± 6.62 µg/g ve 20.48 ± 2.54 µg/g; Ptychostomum moravicum (III) 176.84 ± 6.49 µg/g ve 28.86 ± 4.59 µg/g ve Ptychostomum capillare 234.38 ± 5.79 µg/g ve 6.58 ± 1.91 µg/g respectively. These results showed that these bryophyte species belonging to the Bryaceae family are very good sources of glutathione (GSH and GSSG). Due to their high glutathione content, it has been concluded that the family and species are antioxidant plants and can be used as raw material in various fields.
AtıfOpenAlex6TR Dizin2İncele - MakaleAçık Erişim2019The Moss Flora of Balya Sub-district Directorate (Balıkesir) of Forestry
Alataş, Mevlüt; Cengiz, Ayşe; Ursavaş, Serhat
In this study, the moss flora of Balya Sub-district Directorate (Balıkesir) in Turkey, were investigated. Between the years of 2016-2017. 288 moss specimens were collected and identified from Balya Subdistrict Directorate. 22 families, 54 genera, 103 taxa species, subspecies and variety were found. 18 of these taxa for B6 squares and 10 for Balıkesir are new record. In terms of taxa number, the riches five families are; Brachytheciaceae (22), Pottiaceae (19), Grimmiaceae (10), Bryaceae (8), Orthotrichaceae (7).
AtıfOpenAlex1TR Dizin1İncele - MakaleAçık Erişim2019Comparison of the public and private university campusses in Turkey in terms of the sustainable – ecological parameters
Askin, Ali; Kaya, Sema Kayapinar; Dal, Murat
In this study, it is aimed to highlight the properties of the increasing number of the university campusses in Turkey in terms of sustainable and ecological properties. 5 public (Boğaziçi, Bülent Ecevit, Karabük, İstanbul Teknik, Ege) and 5 private (Özyeğin, Yeditepe, Bahçeşehir, Bilgi and Bilkent) universities are investigated in terms of sustainable and ecological campus criterias such as “Energy Management”, “Sustainable Transportation”, “Waste Management”, “Water Management”, “Environmental Management” and “Sustainable Education”.
AtıfOpenAlex13TR Dizin9İncele - MakaleAçık Erişim2019Karasu Nehri’nde (Doğu Anadolu, Türkiye) yaşayan Chondrostoma regium (Heckel, 1843)’un bazı büyüme parametreleri
Serdar, Osman; Ozcan, Ebru Ifakat
Bu çalışma, Karasu Nehri’nin 14 farklı istasyonunda yaşayan kababurun (Chondrostoma regium (Heckel, 1843))’un yaş tayini ve bazı büyüme özelliklerinin araştırılması ile ilgilidir. Bu amaçla, 2014 ve 2016 yılları arasında elektroşokerle toplam 236 C. regium balık örneği (124 dişi ve 112 erkek) yakalandı. Örneklenen C. regium bireylerinin total boy ve ağırlığı sırasıyla 11,0-33,0 cm ile 33,0-324,0 g arasında değiştiği görülmüştür. İncelenen bireylerin yaşlarının 1-7 arasında değiştiği görülmüş ve dişi:erkek oranı 1:0.903 olarak belirlenmiştir. von Bertalanffy büyüme parametreleri tüm bireyler için Lt=40,17[1-e-0,154(t+2,14)]; Wt=495,009[1-e-0,154(t+2,14)]2,50 ve büyüme performans indeks değeri (Ф') ise 2,395 olarak hesaplanmıştır. İncelenen populasyon için boy-ağırlık ilişkileri ise W=0,0503L2,50 (R² = 0,97; b’nin güven aralıkları=2,41-2,70; p<0,001) şeklinde bulunmuştur. Bu değerlere göre, C. regium’un büyüme tipinin negatif allometrik özellik gösterdiği görülmüştür.
AtıfOpenAlex3TR Dizin1İncele - Derleme MakaleAçık Erişim2019The validity of the purchasing power parity hypothesis under structural breaks: the case of eurasian countries
Songur, Mehmet
The aim of this study to examine the validity of the Purchasing Power Parity hypothesis for Eurasian Countries using panel data analysis methods. In this Study, the validity of the Purchasing Power Parity hypothesis has been investigated both within the absolute and relative Purchasing Power Parity theory. The absolute purchasing power parity hypothesis refers to the distribution of the real exchange rate around a fixed average. However, the relative purchasing power parity is valid when there is a long-term relationship between the nominal exchange rate and the relative prices. In this framework, the study used monthly data covering the period 2002-2017 for the 10 Eurasian countries (Armenia, Azerbaijan, Belarus, Georgia, Kazakhstan, Kyrgyz Republic, Moldova, Russian Federation, Ukraine and Turkey). In this context, panel unit root and panel cointegration tests taking into account cross-section dependency and structural breaks were used in the study. Findings show that both absolute and relative Purchasing Power Parity hypotheses are valid in the countries studied.
AtıfOpenAlex1TR Dizin1İncele - MakaleAçık Erişim2019The bryophyte flora of Palu (Elazığ /Turkey) district
Alataş, Mevlüt; Ursavaş, Serhat
In this study which was made to determine the bryophyte flora of Palu district in Elazig province, with theidentification of bryophytes samples collected in different vegetation periods of 2018, 48 taxa (1 liverwort, 47 mosses)belonging to 9 families and 23 genera were determined. From these taxa, seven taxa are new records for Elazığ province,according to the grid-square system of Henderson four taxa are new records for B9 grid square. With the presence ofPellia endiviifolia in the area, the liverwort record in Elazığ province has increased to 2. Life forms, ecological andfloristic features belong to taxa have been submitted in the study.
AtıfOpenAlex4TR Dizin8İncele - MakaleAçık Erişim2019A new bryophyte sub-association and a new association record for Turkish bryophyte vegetation
Alataş, Mevlüt; Ezer, Tülay; Batan, Nevzat; Erata, Hüseyin
In this study which investigated epiphytic bryophyte vegetation of Çifteköprü and Karagöl Nature Park, therelevés taken from tree trunks in different vegetation periods of 2018 were evaluated by classical Braun-Blanquet method.Brachythecietum populei is a new association record for Turkey, the Brachythecietum populei -hypnetosum filiformis wasdefined as new sub-association. The syntaxa, which were determined from the study area, were presented by ecologicaland floristic analysis.
AtıfOpenAlex6TR Dizin4İncele - MakaleAçık Erişim2018Tunceli’de “öteki” olmak: “öteki”nin, “ötekisi”ne bakışı üzerine bir alan araştırması
Demir, Murat Cem; Çobanoğlu, Yavuz
Bu çalışma, farklı nedenlerle Tunceli’de yaşayan ve Tunceliliolmayanlar üzerine yapılmıştır. Çalışmanın temel amacı, bu kişilerin“öteki” olmayı nasıl algıladıkları ile bir “öteki” olarak kentte yaşadıklarısorunları ortaya çıkarmaya yöneliktir. Bu araştırmanın verileri, 175kişiye uygulanan anket çalışmasından elde edilen sonuçlaradayanmaktadır. Tüm anketler, 2016 yılının Ocak ve Şubat aylarındayapılmıştır. Çalışmanın temel kavramını oluşturan “ötekilik” meselesi,cinsiyet, kimlik, dil, inanç, siyasal görüş, meslek vb. kategorilerde elealınmıştır.Ötekilik ya da ötekileştirme esasen, kimlik, dil, inanç vb.farklılıkların insanlar tarafından sıradanlaştırılması, belli bir süre sonrabu farklılıkların doğal, kalıcı, içkin farklılıklarmış gibi algılanmasınadayanır. Üstelik her kimliğin, bir toplumsal süreç sonucunda ortayaçıktığını, kültür aşamalarında inşa edildiğini ve meşru olduğunugörmezden gelen ötekileştirme durumu, geniş genellemeler, ilgisizçıkarımlar ve katı önyargılarla doludur. Böylelikle “öteki” kavramıylaifadesini bulan kişiler, kitlenin/grubun genel yargısında değiştirilmesigüç bir yer işgal etmeye başlarlar. Bu yer, benzerlikler karşısındafarklılıkların ikamet ettiği, biz’e karşı onlar’ın tanımlandığı, bazen kalınsınırlarla çevrili bir kültürel alanı kapsar.Dolayısıyla, Tunceli gibi ufak bir şehirde “öteki olmak”, bir takımsosyolojik gerçekleri de içerisinde taşımaktadır. Netice itibarıyla buçalışmanın odaklandığı nokta, Tunceli’de “öteki” olarak yaşadığınıdüşündüğümüz insanların bu sosyolojik gerçekliklerine temasedebilmek, böylesi bir “ötekilik” durumunun günlük hayatta nasıl vehangi şekillerde yaşadığını keşfedebilmektir.
AtıfOpenAlex3TR Dizin2İncele - MakaleYalnız künye2018Lifelong learning tendencies of classroom teachers
Karakaya Cirit, Didem; Gökyer, Necmi
The aim of this research is to determine the lifelong learning tendencies of classroom teachers and to compare them with various variables. In the research, the following questions have been answered.1. What is the level of life-long learning tendencies of classroom teachers? 2. Do the lifelong learning attitudes of the teachers differ significantly according to their gender, seniority, level of education, age, and place of work? 3. Is there a meaningful relationship between subscales of the scale? This research is in the instant scanning model. The universe of the research constitutes a total of 1116 classroom teachers who are in primary schools in the centre of Elazığ and its districts in the academic year of 2017-2018. The sample is composed of 291 teachers determined by simple random sampling. In the research, the scale of "Lifelong Learning Trends" (YBÖEÖ) developed by Diker Coşkun and Demirel (2009) is used as data collection tool. In this study, the internal consistency coefficient of the scale was found as .87. The internal consistency coefficient of the motivation sub-dimension of the scale was .92, the internal consistency coefficient of the persistence sub-dimension was .93, the internal consistency coefficient of the deprivation sub- dimension was .83 and the internal consistency coefficient of the curiosity deprivation sub-dimension was .94. According to findings of this study; the life-long learning tendencies of the class teachers are at the level of “partially fits” in the sub-dimensions of motivation, persistence, lack of curiosity and in the whole scale; but in the sub-dimension of lack of regulation of learning at the level of “little fits”. According to the gender variable, in all sub-dimensions, the lifelong learning tendencies of women class teachers are higher than that of men.
AtıfOpenAlex4TR Dizin2İncele
