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Toplam kayıt 8898, listelenen: 8685-8704
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Visuohaptic experiments: Exploring the effects of visual and haptic feedback on students' learning of friction concepts
(Wiley, 2019)In this study, we analyzed students' reasoning and explanations of friction concepts before and after engaging in guided experimentation with visuohaptic (VH) simulations. the VH experimentation included two affordances: ... -
Vitamin D and malabsorptive gastrointestinal conditions: A bidirectional relationship?
(Springer, 2023)This paper is one of the outcomes of the 5th International Conference "Controversies in Vitamin D" held in Stresa, Italy from 15 to 18 September 2021 as part of a series of annual meetings which was started in 2017. The ... -
Vitreus Hemorajisiyle Seyreden Polipoidal Koroidal Vaskülopati
(2016)Bu yazıda polipoidal koroidal vaskülopatiye bağlı vitreus hemorajisi gelişen bir olgunun sunulması amaçlanmıştır. Başlangıç görme keskinliği el hareketi düzeyinde olan hasta pars plana vitrektomiden sonra 0,7 görme ... -
Volatile and phenolic contents, antimicrobial and tyrosinase activities of two endemic species scorzonera pisidica and scorzonera sandrasica L. Grown in Turkey
(ACG Publications, 2022)Phytochemical analysis of two endemic Scorzonera pisidica Hub.-Mor. and Scorzonera sandrasica Hartvig & Strid species have not been mentioned before. In this work, volatile organic compounds, phenolic contents, antimicrobial, ... -
Volatile constituents and antimicrobial activities from flower and fruit of arbutus unedo L.
(2010)Essential oils isolated by hydrodistillation from flower and fruit of Arbutus unedo growing in Turkey were analyzed by GC and GC/MS. Forty-nine compounds, representing around 95% of the total oils were identified. ... -
Volatile constituents and antimicrobial activity of the essential oils from Cladonia rangiformis Hoffm. and Cladonia furcata (Huds.) Schrad
(2012)This study was designed to examine the chemical compositions and antimicrobial activities of the essential oils from Cladonia rangiformis Hoffm. and Cladonia furcata (Huds.) Schrad. The essential oils were isolated by ... -
Volatile constituents and antimicrobial activity of vinca major l. Subsp. hirsuta (boiss) stearn grown in turkey
(Marmara University, 2021)In this study, volatile compounds (VCs) in the essential oil (EO), SPME and SPME of n-hexane extract of Vinca major subsp. hirsuta (Boiss.) Stearn were analyzed by GC-FID/MS instrument. A total of 32, 38, and 26 compounds ... -
Volatile oil yield and composition, total phenolic content, antioxidant activity and secondary metabolite content of collected thymus praecox species in Rize
(Wiley, 2023)In this study, the volatile oil yield (Clevenger), volatile oil (VO) composition (Gas Chromatography), phenolic contents (UV-VIS Spectrophotometer), antioxidant activities (UV-VIS Spectrophotometer) and secondary metabolite ... -
Volatile secondary metabolites of Hypericum tetrapterum and Hypericum bithynicum
(Elsevier, 2022)The phytochemical analyses on the flowering aerial parts resulted in identification of 32 and 30 compounds which represent 100% of total volatile components in Hypericum tetrapterum and Hypericum bithynicum (Hypericaceae), ... -
Volatile secondary metabolites of six Turkish Hypericum species: chemical composition and chemotaxonomic significance
(Taylor & Francis Ltd., 2023)Volatile secondary metabolite profiles of 20 wild populations of six taxa from four sections of Turkish Hypericum (Hypericaceae; H. orientale, H. bupleuroides, H. venustum, H. hirsutum, H. linarioides and H. androsaemum) ... -
Volatiles and antimicrobial activity of the essential oils of the mosses pseudoscleropodium purum, eurhynchium striatum, and urhynchium angustirete grown in Turkey
(ACG Publications, 2015)The chemical composition of the essential oils from all parts of Pseudoscleropodium purum, Eurhynchium striatum and Eurhynchium angustirete were analysed by GC-FID-MS. Sixty-five, thirty-four and seven compounds, accounting ... -
Volatilitenin Modellenmesi Ve Anfıs Model İle Bıst100 Getiri Tahmini
(2018)Hisse senedi piyasası volatilitesi finans literatu?ru?nde önemli bir konu olarak ele alınmakta ve herhangi bir menkul kıymetin fiyatında meydana gelen ani değişkenlik olarak tanımlanmaktadır. Volatilite, ortaya çıkabilecek ... -
Volkanik tüf esaslı geopolimerlerin basınç dayanımına kür süresi ve sıcaklığın etkileri
(Gümüşhane Üniversitesi, 2021)Çimento klinkeri üretimi esnasında atmosfere salınan CO2 gazı sera etkisi nedeniyle küresel ısınmaya neden olmaktadır. Günümüzde bu durum çok tehlikeli boyutlara ulaşmış olup insan yaşamını tehdit eder hale gelmiştir. Bu ... -
Voltammetric sensor based on poly(3-methylthiophene) synthesized in dichloromethane for tyramine determination in moldy cheese
(Elsevier Science Sa, 2018)Black adherent P3MT film was potentiodynamically deposited on Pt electrode in dichloromethane solvent containing 0.5 M 3-methylthiophene and 0.1 M tetrabutylammonium perchlorate. P3MT-coated platinum electrode was used for ... -
Vulnerable geosites of cayirbagi-calkoy (Duzkoy-Trabzon) in the Eastern Black Sea region of NE Turkey and their geotourism potential
(Springer Heidelberg, 2019)Geotourism is a relatively new branch of tourism dealing with geosites, which are special places that exhibit aspects that characterize the complex history of the Earth. This contribution aims to report an inventory of ... -
Vulvar Dermatoses
(Galenos Yayincilik, 2017)Vulvar dermatoses are seen commonly. However, unique anatomical and physiological structure of vulva makes it difficult to diagnose and treat. Detailed history and careful physical examination is very crucial in diagnosis ... -
Vulvar dermatozlar
(2017)Vulvar dermatozlar sık görülür. Ancak vulvanın kendine özgü anatomik ve fizyolojik yapısı teşhis ve tedaviyi zorlaştırır. Vulvar dermatozların tanısında ayrıntılı anamnez ve dikkatli muayene oldukça önemlidir. Uluslararası ... -
Vulvar fibroadenoma: an unusual cause of vulvar mass
(Erciyes University Faculty of Medicine, 2021)A 21-year-old nulliparous woman was admitted to our hospital with a 6-month clinical history of vulvar mass. Physical examination revealed a painless, pedunculated, nodular mass on the right labia major. -
Vulvar Syringoma in a Premenopausal Woman: A Case Report
(2015)Benign, premalign ve malign lezyonların genis bir spektrumu vulvayı tutabilmektedir. Klinisyenin karsılastığı sıkıntı normal varyantlar, benign bulgular ve potansiyel tehlikeli hastalıkları ayırt edebilmektir ve bu her ... -
W doped SnO2 growth via sol-gel routes and characterization: Nanocubes
(Elsevier Gmbh, 2013)The effects of W doping on the characteristical properties of SnO2 thin films prepared by sol-gel spin coating method were investigated. the SnO2 thin films were deposited at various W doping ratios and characterized by ...
