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Erzincan University Journal of Science and Technology最新文献

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YÜKSEK HİDROSTATİK BASINÇ TEKNOLOJİSİNİN GIDA ENDÜSTRİSİNDE KULLANIMI
Erzincan University Journal of Science and Technology Pub Date : 2014-03-18 DOI: 10.18185/EUFBED.44587
P. Oğuzhan
{"title":"YÜKSEK HİDROSTATİK BASINÇ TEKNOLOJİSİNİN GIDA ENDÜSTRİSİNDE KULLANIMI","authors":"P. Oğuzhan","doi":"10.18185/EUFBED.44587","DOIUrl":"https://doi.org/10.18185/EUFBED.44587","url":null,"abstract":"Gunumuzde tuketiciler taze veya cok az islem gormus, mikrobiyolojik acidan guvenilir ve kararli olan gidalari tercih etmektedir. Bu durum yeni isleme ve muhafaza tekniklerinin gelistirilmesine neden olmustur. Bu yeni tekniklerden biri de yuksek basinc uygulamasi, diger adiyla da yuksek hidrostatik basinc uygulamasidir. Gidalarda yaygin bir uygulama alani bulan yuksek basinc (YB) uygulamasi, gida sanayiinde onemli muhafaza metotlarindan biri haline gelmistir. YB uygulamasi, gidayi guvenli kilan ve raf omrunu arttiran bir gida isleme metodudur. Gida endustrisinde YB uygulamasi; sadece gidalarin raf omrunun artirilmasi amaciyla degil, ayni zamanda, daha guvenli, daha uygun, besinsel ve duyusal acidan daha kaliteli gidalarin uretilebilmesine olanak saglayan bir tekniktir. Bu yonleri ile isil islem tekniklerini iceren geleneksel gida isleme yontemlerine alternatif olabilecek bir potansiyele sahiptir. YB uygulamasi; sivi veya kati gidalarin, ambalajli veya ambalajsiz olarak 100–1000 MPa basinca maruz birakilmasiyla yapilan bir islemdir. Bu derlemede, yuksek basinc uygulamasinin avantajlari, dezavantajlari ve gida endustrisindeki kullanimindan bahsedilecektir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116483967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
KELKİT VADİSİ’NDEN TÜRKİYE FAUNASI İÇİN YENİ İKİ MAKROKELİD TÜRÜ (ACARI: MESOSTIGMATA: MACROCHELIDAE)
Erzincan University Journal of Science and Technology Pub Date : 2014-03-18 DOI: 10.18185/EUFBED.87742
H. Özbek, D. A. Bal
{"title":"KELKİT VADİSİ’NDEN TÜRKİYE FAUNASI İÇİN YENİ İKİ MAKROKELİD TÜRÜ (ACARI: MESOSTIGMATA: MACROCHELIDAE)","authors":"H. Özbek, D. A. Bal","doi":"10.18185/EUFBED.87742","DOIUrl":"https://doi.org/10.18185/EUFBED.87742","url":null,"abstract":"Bu calismada Kelkit Vadisi’nden toplanan Turkiye faunasi icin yeni iki Longicheles turu (L. hortorum (Berlese, 1904) ve L. longisetosus (Balogh, 1958)) orneklerimiz uzerinden degerlendirilmis; yapisal ozellikleri, ozgun sekilleri ve dunyadaki dagilimlari gozden gecirilmistir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130546792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
ÜNİVERSİTE ÖĞRENCİLERİNİN SAF SUYUN NÖTRALLİĞİ İLE İLGİLİ ANLAYIŞLARI
Erzincan University Journal of Science and Technology Pub Date : 2014-03-12 DOI: 10.18185/EUFBED.90753
Tacettin Pinarbaşi, Nurtaç Canpolat
{"title":"ÜNİVERSİTE ÖĞRENCİLERİNİN SAF SUYUN NÖTRALLİĞİ İLE İLGİLİ ANLAYIŞLARI","authors":"Tacettin Pinarbaşi, Nurtaç Canpolat","doi":"10.18185/EUFBED.90753","DOIUrl":"https://doi.org/10.18185/EUFBED.90753","url":null,"abstract":"Bu calismanin amaci, universite ogrencilerinin saf suyun notralligi ile ilgili anlayislarini tespit etmek ve bu anlayislarin isiginda konuya yonelik kavramsal anlayisi tesvik edebilecek bir kavram analizi yapmaktir. Arastirmanin orneklemini, Kimya Ogretmenligi Programinda ogrenim goren 28 birinci sinif ogrencisi olusturmaktadir. Calismada ogrencilerin anlayislarini ortaya cikarmak amaci ile her biri iki kisimdan olusan iki adet acik uclu soru kullanilmistir. Yazili cevaplardan, ogrencilerin pH hesaplamalarini yapabildikleri, ancak saf suyun notralligi konusunda yeterli duzeyde bir kavramsal anlayisa sahip olmadiklari, hatta bazi yanilgilara sahip olduklari anlasilmaktadir. Arastirmada tespit edilen ogrenci anlayislari dikkate alinarak konunun kavramsal boyutunu on plana cikaran bazi aciklamalar yapilmistir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127032562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF NOZZLE-SUBSTRATE DISTANCE ON ELECTRICAL, STRUCTURAL AND OPTICAL PROPERTIES OF SnO2 THIN FILMS PREPARED BY SPRAY PYROLYSIS 喷嘴-衬底距离对喷雾热解法制备SnO2薄膜电学、结构和光学性能的影响
Erzincan University Journal of Science and Technology Pub Date : 2014-03-12 DOI: 10.18185/EUFBED.73883
G. Turgut, D. Tatar, B. Düzgün
{"title":"EFFECT OF NOZZLE-SUBSTRATE DISTANCE ON ELECTRICAL, STRUCTURAL AND OPTICAL PROPERTIES OF SnO2 THIN FILMS PREPARED BY SPRAY PYROLYSIS","authors":"G. Turgut, D. Tatar, B. Düzgün","doi":"10.18185/EUFBED.73883","DOIUrl":"https://doi.org/10.18185/EUFBED.73883","url":null,"abstract":"The physical, electrical and optical properties of SnO2 (TO) thin films deposited using spray pyrolysis technique at different nozzle-to-substrate distances were reported. The solutions consisted of diluted SnCl2.2H2O were sprayed on hot glass substrate which temperature was in 400±5 ˚C. X-ray diffraction (XRD), Uv-vis spectrophotometer and van der Pauw configuration studies had been performed on TO films coated on optical glass substrates. X-ray diffraction pattern revealed the presence of tetragonal crystal structure with (301) preferential orientation for all films. The grain size of the films varied from 23.78 nm to 29.74 nm at different nozzle- substrate distances. The film deposited at 40 cm nozzle-substrate distance had minimum sheet resistance of 3.233 Ω/cm2 and had maximum transmittance at 550 nm of 59.55 %. The best films deposited with optimum nozzle-to-substrate distance (NSD) of 40 cm.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"284 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130974214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
RAFİGNATOYİD AKARLARIN VÜCUT YÜZEYİ VE VÜCUT İÇİ MİKROFUNGUSLARININ BELİRLENMESİ
Erzincan University Journal of Science and Technology Pub Date : 2014-03-12 DOI: 10.18185/EUFBED.21957
Güldem Dönel, Ö. F. Algur, Salih Doğan
{"title":"RAFİGNATOYİD AKARLARIN VÜCUT YÜZEYİ VE VÜCUT İÇİ MİKROFUNGUSLARININ BELİRLENMESİ","authors":"Güldem Dönel, Ö. F. Algur, Salih Doğan","doi":"10.18185/EUFBED.21957","DOIUrl":"https://doi.org/10.18185/EUFBED.21957","url":null,"abstract":"Bu calismada rafignatoyid akarlarin vucut yuzeylerinden ve iclerinden mikrofunguslar izole edilerek fotograflari cekilmistir. Izole edilen funguslarin akarlarla olan iliskileri gozden gecirilmistir. Akarlardan Acremonium, Alternaria, Aspergillus, Beauveria, Chrysosporium, Cladosporium, Mucor, Penicillium, Rhizoctonia, Trichoderma, Trichothecium ve Ulocladium cinslerine ait toplam 25 fungus turu tespit edilmistir. Bunlardan %40 orani ile Penicillium’un en fazla rastlanan fungus cinsi oldugu belirlenmistir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129791736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
DARBELİ LAZER YIĞMA SİSTEMİ (PLD) İLE YBCO İNCE FİLMLERİN HAZIRLANMASI
Erzincan University Journal of Science and Technology Pub Date : 2014-03-12 DOI: 10.18185/EUFBED.55108
M. T. Yurtcan, Önder Şimşek, M. Ertuğrul
{"title":"DARBELİ LAZER YIĞMA SİSTEMİ (PLD) İLE YBCO İNCE FİLMLERİN HAZIRLANMASI","authors":"M. T. Yurtcan, Önder Şimşek, M. Ertuğrul","doi":"10.18185/EUFBED.55108","DOIUrl":"https://doi.org/10.18185/EUFBED.55108","url":null,"abstract":"Bu calismada Turkiye’de yaygin olarak kullanilmayan PLD teknigini kullanarak yuksek kaliteye sahip YBa2Cu3O7-δ (YBCO) ince filmler urettik. Yuksek kaliteli YBCO ince filmleri elde edebilmek icin oncelikle optimum buyutme sartlarini arastirdik. SrTiO3 (STO), MgO, Itrium Sabitlenmis Zirkonyum Oksit (YSZ) ve LaAlO3 (LAO) gibi alttaslar YBCO ince filmlerin buyutulmesinde yaygin bir sekilde kullanilmaktadir. Biz  eneylerimizde YBCO icin uygun kristal orguye ve termal genlesme katsayisina sahip LAO’yu alttas olarak kullandik. YBCO icin optimum buyutme sartlarini belirledikten sonra LAO alttaslar uzerine yuksek kaliteli YBCO ince filmler buyutmeyi basardik. Son olarak PLD ile buyutulen ince filmlerin kristalliklerini ve homojenliklerini tayin etmek  maciyla, Yansimali Yuksek Enerji Elektron Kirinimi (RHEED), X-Isini Kirinimi (XRD), Taramali ElektronMikroskobu (SEM), Enerji Dagilimli X-Isini Spektroskopisi (EDX) ve Kritik Sicaklik (TC) olcumleri yapilmistir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128963736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MESLEK YÜKSEKOKULU ÖĞRENCİLERİNİN MATEMATİK KAYGI DÜZEYLERİNİN VE BAŞARILARININ DEĞERLENDİRİLMESİ 评估职业学校学生的数学焦虑水平和成绩
Erzincan University Journal of Science and Technology Pub Date : 2014-03-11 DOI: 10.18185/EUFBED.14963
Mehmet Bekdemir
{"title":"MESLEK YÜKSEKOKULU ÖĞRENCİLERİNİN MATEMATİK KAYGI DÜZEYLERİNİN VE BAŞARILARININ DEĞERLENDİRİLMESİ","authors":"Mehmet Bekdemir","doi":"10.18185/EUFBED.14963","DOIUrl":"https://doi.org/10.18185/EUFBED.14963","url":null,"abstract":"Calismanin amaci, meslek yuksekokulu ogrencilerinin matematik kaygi duzeylerini, nedenlerini ve kayginin matematik basarilarina etkisini arastirmaktir. Bu arastirmada hem nitel hem de nicel arastirma imkâni veren karisik metodun kesfedici yaklasimi (mixed-method explanatory approach) kullanilmistir. Arastirma meslek yuksekokulundan 95 ogrenciyi kapsamaktadir. Veriler, Matematik Basari Testi (MBT), Matematik Kaygi Olcegi (MKO), Gorusme Protokolu (GP) seklindeki uc fakli olcme araciyla toplanmistir. Calismanin sonuclarina gore, matematik kaygisi ogrenciler arasinda yaygin ve bu da matematik basarisini engelleyen en onemli faktorlerden biridir. Matematik basarisina iliskin toplam varyansin % 26’si matematik kaygisi ile aciklanabilir. Yine ogrencilerin algilarina gore matematik kaygisinin nedenlerini matematik temelinin yeterli olmamasi (yetersizlik), yasadiklari basarisizliklar, ogretmenlerin yanlis tutum ve davranislari, cevre baskisi ve meslek lisesi olarak siniflamak mumkundur. Son olarak da ogrencilerin ifadelerinden matematik kaygisi, matematik alt yapisinin yetersizligi ve basarisizlik durumlari birbirlerini olumsuz ve dongusel olarak etkiledigi soylenebilir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134287235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
OPTIMIZATION OF THE TEMPERATURE SUSCEPTIBILITY OF BITUMEN MODIFIED WITH WASTE TIRE RUBBER BY TAGUCHI METHOD 田口法优化废轮胎橡胶改性沥青的温度敏感性
Erzincan University Journal of Science and Technology Pub Date : 2014-03-11 DOI: 10.18185/EUFBED.32701
S. Hınıslıoğlu
{"title":"OPTIMIZATION OF THE TEMPERATURE SUSCEPTIBILITY OF BITUMEN MODIFIED WITH WASTE TIRE RUBBER BY TAGUCHI METHOD","authors":"S. Hınıslıoğlu","doi":"10.18185/EUFBED.32701","DOIUrl":"https://doi.org/10.18185/EUFBED.32701","url":null,"abstract":"The purpose of this study is to optimize the temperature susceptibility of the bitumen modified with the tire rubber. For this purpose, 2, 5 and 10 % waste tire rubber (by weight of bitumen) is mixed into 70-100 penetration bitumen at mixing temperatures of 150, 160 and 170oC for mixing time of 30, 60 and 120 minute and mixing speed of 250, 350 and 450 rpm. Taguchi method is used as design of experiment method. The temperature susceptibility of the binders is evaluated by the penetration index (PI). It is found that the order of the importance of variables affecting the temperature susceptibility of binders is tire rubber content, mixing speed, mixing temperature and mixing time, respectively. Optimum conditions for the maximum PI of 3.72 are obtained at the mixing temperature of 150oC, mixing time of 120 minute tire rubber content of 10% and mixing speed of 250 rpm. As a result, this new binder is produced by fewer experiments using Taguchi method compared to the other experimental methods. Thus, using the Taguchi method could save time and energy. Moreover, it is seen that tire rubber modified bituminous binders can provide better resistance against permanent deformations due to the lower temperature susceptibility in hot climate regions.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125100949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
YAPAY SİNİR AĞLARI VE ÇOK DEĞİŞKENLİ İSTATİSTİK YÖNTEMLERLE TRAFİK KAZA MODELLEMESİ
Erzincan University Journal of Science and Technology Pub Date : 2014-03-11 DOI: 10.18185/EUFBED.79019
Halim Ferit Bayata, Fatih Hattatoğlu
{"title":"YAPAY SİNİR AĞLARI VE ÇOK DEĞİŞKENLİ İSTATİSTİK YÖNTEMLERLE TRAFİK KAZA MODELLEMESİ","authors":"Halim Ferit Bayata, Fatih Hattatoğlu","doi":"10.18185/EUFBED.79019","DOIUrl":"https://doi.org/10.18185/EUFBED.79019","url":null,"abstract":"Turkiye’de trafige kayitli arac sayisi 15 milyon ve surucu sayisi ise 18 milyonun uzerindedir. Turkiye’de 1.2 Milyonun uzerinde olumlu,yaralanmali ve maddi hasarli trafik kazasi meydana gelmektedir. Bu calismada, 1974–2007 yillari arasindaki ceza alan surucu sayilari ile kaza sayilari dikkate alinarak, cok degiskenli istatistiksel analiz (CDR) ve yapay sinir aglari (YSA) yontemleri ile modelleme yapilmistir. Ceza alan suruculerin sayisinin artmasi, kaza sayilarinda bir azalma  ostermemis aksine artis olabilecegi tespit edilmistir.  statistiksel degerlendirmelerde, YSA’nin CDR’ye gore daha yuksek bir R2 degeri oldugu ve ortalama karesel hatasinin da (OKH) minimum oldugu bulunmustur. Bu sonuclara gore YSA yontemi istatistiksel olarak daha basarili bir yontem olarak kabul edilmistir.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115744311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
THE OBSERVATIONS ON TEUCRIUM LEUCOPHYLLUM MONTBRET & AUCHER EX BENTHAM (LAMIACEAE) ENDEMIC TO TURKEY 土耳其特有种白茶树(teucium leucophyllum montbret & aucher ex bentham)的观察
Erzincan University Journal of Science and Technology Pub Date : 2014-03-11 DOI: 10.18185/EUFBED.07444
A. Kandemir
{"title":"THE OBSERVATIONS ON TEUCRIUM LEUCOPHYLLUM MONTBRET & AUCHER EX BENTHAM (LAMIACEAE) ENDEMIC TO TURKEY","authors":"A. Kandemir","doi":"10.18185/EUFBED.07444","DOIUrl":"https://doi.org/10.18185/EUFBED.07444","url":null,"abstract":"Teucrium leucophyllum Montbret & Aucher ex Bentham (Lamiaceae) was first collected in 1834 in Upper Euphrates by Montbret and Aucher. It is endemic and only known from this locality. In spite of investigations, it has not been recollected and thus has been evaluated as Extinct. This paper reports the re-discovery of Teucrium leucophyllum Montbret & Aucher ex Bentham (Lamiaceae) which was listed as Extinct (EX) according to the World Conservation Union Red List Categories. This study also provides the re-descriptions of this taxon, and presents field observations. In addition, new IUCN category is suggested for it.","PeriodicalId":212034,"journal":{"name":"Erzincan University Journal of Science and Technology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129664901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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