Başlık için Fen Fakültesi listeleme
Toplam kayıt 1564, listelenen: 1525-1544
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Yaşam Çözümlemesinde Zayıflık Modelleri
(Fen Bilimleri Enstitüsü, 2015)The subject of survival analysis is the status of an event, whether it takes place or not in an observation process. Various statistical methods differ than classical methods have been used in survival analysis.The Cox ... -
Yaşam Verilerinin Meta Analizi
(Fen Bilimleri Enstitüsü, 2013)Nowadays, with the increasing number of studies, it is conferred that many studies conducted with different samples on the same topic, have different results from each other. Meta analysis is the statistical method which ... -
Yazılım Test Planlama ve Raporlama Aracı'nın Tasarlanması ve Kodlanması
(Fen Bilimleri Enstitüsü, 2019-09-27)In today's software world, besides increasing the expectation of quality software, planning of software testing activities and efficient use of resources is gaining importance due to constraints of qualified personnel, ... -
Yeni 1,3-Disübstitüe Formazan ve Bis-Formazanların Sentezi ve Yapılarının Spektroskopik Yöntemlerle Aydınlatılması
(Fen Bilimleri Enstitüsü, 2013)Formazans have drawn attention of chemists, biologists and researches that develop new Technologies because of their wide range of use due to having conjugated n bonds in their structures, their tendency to under ... -
Yeni Bir Kolorimetrik Kemosensör ile Siyanür İyonlarının Spektrofotometrik Tayini
(Fen Bilimleri Enstitüsü, 2022-09-21)In this study, a new chemosensor 5-chloro-2-(2'-hydroxyphenyl)benzothiazole (Cl-HPBT) was used for the determination of cyanide (CN-) ions in water samples. The sensing properties of Cl-HPBT for cyanide determination were ... -
Yeni Bodipy Bileşiklerinin Sentezi ve Spektral Özelliklerinin İncelenmesi
(Fen Bilimleri Enstitüsü, 2013)BODIPY molecules are the fluorescent molecules which have been extensively studied in last years because of their properties like high photostability and quantum yield, easy synthesis and facile alteration of their ... -
Yeni Eu3+ ve Tb3+ Katkılı Fotovoltaik Hücrelerin Tasarımı ve Elektronik Özellikleri Üzerine Teorik Bir Çalışma
(Fen Bilimleri Enstitüsü, 2023)Emissions of lanthanide cations (Ln3+) are very interesting, with narrow and element-specific wavelengths unaffected by the environment, where unauthorized f-f transitions can be observed. These intrusions have low absorbance ... -
Yeni İzolat Streptomyces Türlerinden Sekonder Metabolit Üretimi ve Biyolojik Aktivitelerinin İncelenmesi
(Fen Bilimleri Enstitüsü, 2021-01)The great importance given to Streptomyces among microorganisms with its ability to produce extremely high secondary metabolites. The number of antimicrobial products obtained from this genus, which is the largest antibiotic ... -
Yeni Nesil İnce Filmler İle Optoelektronik Uygulamaların Araştırılması
(Fen Bilimleri Enstitüsü, 2014)The aim of this study is to develop easy to fabricate and inexpensive ultraviolet photodetectors with metal oxide thinfilms and to improve or change the performance of those devices using designed nanostructures. For this ... -
Yeni Nesil Platin Komplekslerinin Kütle Spektrometrik Yöntemlerle İncelenmesi ve Antikanser Aktivitelerinin In Vitro Olarak Araştırılması
(Fen Bilimleri Enstitüsü, 2014)Studies on the use of metal based drugs, derivatives of cisplatin (CDDP), in the treatment of cancer by medicine began in the 1960s with the discovery of CDDP. Investigation of the drug s effect mechanism became necessary ... -
Yeni Nesil Sünek Dökme Demir Malzemenin Basamaklı Polimerizasyon Yöntemi ile Hazırlanan Epoksi Reçinelerle Korozyona Karşı Korunması
(Fen Bilimleri Enstitüsü, 2018-07)In recent years, the importance of cast iron has increased considerably in the metallurgy and materials science. Unlike the primary generation cast iron, a new class of spheroidal cast iron emerged at the end of the 20th ... -
Yeni Nesil TNT Sensör Sistemleri: Enkapsüle Piren içeren İçi Boş Silika Jel Yapıları
(Fen Bilimleri Enstitüsü, 2022)Bomb-attacks are considered as one of the most-used terrorist act in the world and domestic. The main ingredients of the explosives that are used in these terrorist-acts are trinitrotoluene (TNT), dinitrotoluene (DNT) and ... -
Yeni Sentezlenen Benzamit Türevi Molekülün Toksik Etkilerinin Hayvan Modelinde Araştırılması ve Multipl Miyelomlu Farelere Uygulanması
(Fen Bilimleri Enstitüsü, 2021)Multiple Myeloma (MM) disease continues to be an incurable disease despite improvements in the survival of its patients with the development of new therapeutic agents, and so the search for new drugs that can control the ... -
Yeni Sentezlenen Benzimidazol Türevi Ligand Taşıyan Platin (II) Kompleksinin A549 Akciğer Kanser Hücre Hattında Sitotoksik Aktivitesinin Değerlendirilmesi
(Fen Bilimleri Enstitüsü, 2023)Lung cancer is one of the most common types of cancer in the world. Lung cancer has a very high mortality rate. Lung cancer cases are predicted to rise in nations with high smoking rates. Treatment for lung cancer is still ... -
Yeni Sentezlenmiş Katyonik Stiril Boyanın Biyomoleküllerle Etkileşiminin Spektroskopik ve Moleküler Kenetlenme Metotları ile İncelenmesi
(Fen Bilimleri Enstitüsü, 2022-05)In this thesis, a novel cationic styryl dye given as (E)-2-(4-(dibütilamino)stiril)-1,3,3-trimetil-3H-indol-1-yum iyodür (Ci5) was synthesized and its spectral properties were characterized. The interactions of the Ci5 ... -
Yeni Tasarlanan Benzimidazol Temelli Metal- Aracılı Dna- Baz Çiftlerinin Floresans Özelliklerinden Yararlanarak Mantık Kapılarının Dft Yöntemi İle Teorik İncelenmesi
(Fen Bilimleri Enstitüsü, 2016-12-22)According to the monomer sequence, DNA which is capable of storing and transferring of genetic information, with their copying and replication feature creates a central role in chemical evolution. Watson-Crick base pairs, ... -
Yeni Tasarlanmış Ferrosenil Üre Benzimidazol Sensörlerinin Metal, Redoks ve Fotokimyasal Özelliklerinin Dft Metodu İle İncelenmesi
(Fen Bilimleri Enstitüsü, 2018)In this study, it is aimed to investigate computationally electronic and photochemical properties of newly designed molecular sensors which is ferrocene-benzimidazole-based, sensitive to metal ions (Ca2+, Mg2+ ,Zn2+, ... -
Yeniçağa Gölü'ndeki (Bolu) Zooplankton Biyokütlesinin Zamana Bağlı Değişimi
(Fen Bilimleri Enstitüsü, 2023)In this study, the biomass changes of zooplankton in Yeniçağa Lake between May 2017- April 2018 and December 2021-November 2022 were examined depending on time, and parameters such as species richness and density of ... -
Yeniçağa Gölü’ndeki (Bolu) Kerevitlerin (Astacus Leptodactylus Eschscholtz,1823) Populasyon Parametreleri Üzerine Araştırmalar
(Fen Bilimleri Enstitüsü, 2019-01)In this study, the population parameters, i.e. sex and lenght compositions, lenght-weight relationship, reproduction, morphometry and meat yield characteristics of Astacus leptodactylus in Yeniçağa Lake between May 2017 ... -
Yenilenebilir Enerji Kullanımını Teşvik Yolları Üzerine Bir Değerlendirme
(Fen Bilimleri Enstitüsü, 2018-10-01)The objective of this thesis is to examine the incentive mechanisms that are applied for the renewable energy across selected countries and to put forward a set of suggestions for the future revision of incentive policy, ...