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Characteristic evaluation on spray-deposited WFTO thin films as a function of W doping ratio

Rare Metals 2014年第4期33卷 433-441页

作者： G.Turgut e.F.Keskenler S.Aydin D.Tatar e.sonmez S.Dogan B.Duzgun Department of Physics education Kazim Karabekir Education FacultyAtatürk University Department of Nanotechnology Faculty of EngineeringRecep Tayyip Erdogan University Department of electrical and electronics engineering Faculty of Engineering and ArchitectureBalikesir University

Abstract In this work, F and F ＋ W simultaneously doped SnO2 highly transparent conducting thin films were depos- ited on glass substrates at （500 4± 5） ℃ temperature by the spray pyrolysis method. Microstructural, morphological, electrical and optical properties of FrO films were investi- gated as a function of tungsten （W） doping, in the range from 0 to 5 at%. X-ray diffraction patterns show that the films exhibit a tetragonal cassiterite structure and （200） preferen- tial orientation of FTO film, and the relative strength of these peaks changes with altering the W doping ratio. The pre- ferred growth of （211） changed to （200） plane with 2 at% W doping level and 3 at% W-doped film had （200） orientation and with further doping, this changed to （110） orientation. The scanning electron microscopy and atomic force microscopy images of the films indicate that the films are made up of dense small particles of a pyramidal shape and have a smooth surface. It was observed that the surface morphology of the films did not change much when the W element was inserted to the FrO structure. It was found that the sheet resistance values of the films varied with W doping ratio, and 2 at% W-doped FTO thin film exhibited the lowest values of sheet resistance （1.12Ω）. Also, the highest figure of merit, infrared reflectivity and optical band gap values werecalculated for 2 at% W-doped FTO film as 50.9× 10-2 Ω-1, 98.82 % and 4.13 eV, respectively. These results make the films an effective candidate for usage in many optoelectronic applications and photo-thermal conversion of solar energy.

关键词： WFTO FrO Spray pyrolysis Thin films Lattices

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A novel approach to structural anisotropy classification for jointed rock masses using theoretical rock quality designation formulation adjusted to joint spacing

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Journal of Rock Mechanics and Geotechnical engineering 2022年第2期14卷 329-345页

作者： Harun sonmez Murat ercanoglu Gulseren Dagdelenler Applied Geology Division Geological Engineering DepartmentFaculty of EngineeringHacettepe UniversityBeytepeAnkara06800Turkey

Rock quality designation(RQD)has been considered as a one-dimensional jointing degree property since it should be determined by measuring the core lengths obtained from *** index of jointing degree(AI_(jd))was formulated by Zheng et al.(2018)by considering maximum and minimum values of RQD for a jointed rock medium in three-dimensional *** accordance with spacing terminology by ISRM(1981),defining the jointing degree for the rock masses composed of extremely closely spaced joints as well as for the rock masses including widely to extremely widely spaced joints is practically impossible because of the use of 10 cm as a threshold value in the conventional form of *** overcome this limitation,theoretical RQD(TRQD_(t))introduced by Priest and Hudson(1976)can be taken into consideration only when the statistical distribution of discontinuity spacing has a negative exponential *** index of the jointing degree was improved using TRQD_(t) which was adjusted to wider joint spacing by considering Priest(1993)’s recommendation on the use of variable threshold value(t)in TRQD_(t) *** applications of the improved anisotropy index of a jointing degree(AI'_(jd))to hypothetical jointed rock mass cases,the effect of persistency of joints on structural anisotropy of rock mass was introduced to the improved AI'_(jd) formulation by considering the ratings of persistency of joints as proposed by Bieniawski(1989)’s rock mass rating(RMR)*** real cases were assessed in the stratified marl and the columnar basalt using the weighted anisotropy index of jointing degree(W_AI'_(jd)).A structural anisotropy classification was developed using the RQD classification proposed by Deere(1963).The proposed methodology is capable of defining the structural anisotropy of a rock mass including joint pattern from extremely closely to extremely widely spaced joints.

关键词： Anisotropy index of jointing degree Anisotropy of rock mass Rock mass classification Jointing degree Theoretical rock quality designation

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On Weakly δ-Semiprimary Ideals of Commutative Rings

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Algebra Colloquium 2018年第3期25卷 387-398页

作者： Ayman Badawi Deniz sonmez Gursel Yesilot Department of Mathematics & Statistics The American University of Sharjah P.O. Box 26666 Sharjah United Arab Emirates Yildiz Technical University Department of Mathematics Davutpasa-Istanbul Turkey

Let R be a commutative ring with 1≠ 0. A proper ideal I of R is a semiprimary ideal of R if whenever a, b ∈ R and a b ∈ I, we have a ∈ √I or b ∈√I; and I is a weakly semiprimary ideal of R if whenever a, b ∈ R and 0 ≠ ab ∈ √I, we have a ∈√I or b ∈ √I. In this paper, we introduce a new class of ideals that is closely related to the class of （weakly） semiprimary ideals. Let I（R） be the set of all ideals of R and let δ ： I（R） → I（R） be a function. Then δ is called an expansion function of ideals of R if whenever L, I, J are ideals of R with J I, we have L δ（L） and δ（J） δ（I）. Let δ be an expansion function of ideals of R. Then a proper ideal I of R is called a δ-semiprimary （weakly δ-semiprimary） ideal of R if ab ∈ I （0 ≠ ab ∈ I） implies a ∈ δ（I） or b∈ δ（I）. A number of results concerning weakly δ-semiprimary ideals and examples of weakly δ-semiprimary ideals are given.

关键词： semiprimary ideal weakly semiprimary ideal weakly prime ideal weakly primary ideal 5-primary ideal δ-2-absorbing ideal

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Advances and challenges in diagnosing and managing adult autoimmune enteropathy

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World Journal of Gastroenterology 2025年第2期31卷 128-131页

作者： Grigorios Christodoulidis Sara e Agko Marina N Kouliou Konstantinos e Koumarelas Dimitris Zacharoulis Department of General Surgery University Hospital of LarissaLarissa 41110Greece Department of Intensive Care Unit Asklepios Paulinen Clinic WiesbadenWiesbaden 65197Germany Department of emergency Medicine General Hospital of LarissaLarissa 41221Greece Department of Surgery University Hospital of LarissaLarissa 41334Greece

Autoimmune enteropathy(AIe)is a rare immune mediated disorder primarily affecting children,characterized by chronic diarrhea,malabsorption,vomiting,weight loss and villous *** has also been observed in adults presenting diagnostic and treatment challenges due to its overlap with other gastrointestinal disorders such as celiac *** diagnostic criteria for AIe include small bowel villous atrophy,lack of response to dietary restrictions,presence of anti-enterocyte antibodies,and predisposition to autoimmunity without severe *** criteria emphasize characteristic histological findings and exclusion of other causes of villous *** is associated with various autoimmune disorders and can present with overlapping features with Celiac disease,including villous atrophy but without significant intraepithelial *** primarily involves immunosuppression using corticosteroids,calcineurin inhibitors,and anti-tumor necrosis factor therapy,alongside nutri-tional *** the challenges,understanding AIe’s diverse manifest-ations and improving diagnostic criteria are essential for effective management and improved patient *** research is needed to elucidate the pathogenesis,disease progression and long-term outcomes of AIe.

关键词： Autoimmune enteropathy Diagnosis Prognosis Adult autoimmune enter-opathy and challenges Autoimmune enteropathy and treatment Autoimmune enteropathy and diagnostic criteria Pathophysiology of autoimmune enteropathy

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Complications of intravitreal triamcinolone acetonide for macular edema and predictive factors for intraocular pressure elevation

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International Journal of Ophthalmology(english edition) 2012年第6期5卷 719-725页

作者： Kenan sonmez Faruk Ozturk Ulucanlar eye Training and Research Hospital

AIM: To investigate the complications of intravitreal triamcinolone acetonide (IVTA) for the treatment of macular edema, and to determine the risk factors for intraocular pressure (IOP) elevation. MeTHODS: Charts of patients with macular edema secondary to branch retinal vein occlusion (BRVO), diabetic retinopathy and uveitis who had received IVTA injections were reviewed to document its complications. IOP elevation was defined as a pressure of ≥24mmHg at some point during follow-up. Multivariate logistic regression analysis was performed to characterize baseline risk factors for this elevation. ReSULTS: The study included 111 eyes of 65 female and 46 male patients with a mean follow-up of (11.6±5.1) months. Of the 111 eyes, 52 (46.8%) had macular edema secondary to BRVO, 44 (39.6%) had clinically significant diabetic macular edema (CSDMe) and 15 (13.5%) had non-infectious uveitis with macular edema. IOP was recorded ≥24mmHg in 38 eyes (34.2%) during the follow-up. Higher baseline IOP (P =0.022), younger age (P =0.003), and male gender (P = 0.014) were significant risk factors for IOP elevation after IVTA injection. eyes with prior vitrectomy were less likely to have IOP elevation (P =0.054). Two eyes (5.2% of eyes with increased IOP) underwent trabeculectomy, and 9 eyes (16.3% of the phakic eyes) necessitated cataract surgery. Other complications included branch vein occlusion (1.8%), sterile endophthalmitis (0.9%) and pseudohypopyon (0.9%). CONCLUSION: IVTA has side effects with IOP elevation and cataract formation being the two most common. A subset of patients is more prone to developing increased IOP following IVTA, namely, younger male patients with higher baseline IOP.

关键词： intravitreal triamcinolone complications risk factors intraocular pressure

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Outcomes and predictors of vitrectomy and silicone oil tamponade in retinal detachments complicated by proliferative vitreoretinopathy

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International Journal of Ophthalmology(english edition) 2022年第8期15卷 1279-1289页

作者： Kenan sonmez Hilal Kilinc Hekimsoy University of Health Sciences Ulucanlar Eye Education and Research HospitalAnkara 06240Turkey

AIM:To evaluate outcomes and determine factors influencing the outcomes of vitrectomy with silicone oil(SO)endotamponade for the management of rhegmatogenous retinal detachment(RRD)complicated by advanced proliferative vitreoretinopathy(PVR).MeTHODS:This is a retrospective,interventional case series of eyes with PVR grade C associated RRD with or without prior surgery that underwent vitreoretinal surgery and SO *** with a minimum follow-up of 6mo after SO extraction were *** were classified into three PVR subgroups according to severity and extension of *** influence of several preoperative,intraoperative and postoperative factors upon the functional and anatomical outcomes was assessed using multivariate logistic regression ***:A hundred and one eyes of 101 patients that met the inclusion criteria were ***-five of 101 eyes(74.3%)had successful retinal reattachment after one *** aqueous cell and flare at the first week exam had a statistically significant association with redetachment,recurrent membrane proliferation and *** acuity improvement was significantly associated with faint postoperative aqueous inflammation values,primary vitrectomy and PVR outside of the posterior ***:Although encouraging anatomical and functional outcomes are achieved after vitrectomy and SO tamponade in eyes with RRD complicated by PVR,an increase in aqueous flare or cells at the first week follow-up is most likely to result in postoperative late *** vitrectomy,PVR associated with minimal posterior pole extension and absent to mild postoperative aqueous inflammation are associated with improved post-operative final visual acuity.

关键词： proliferative vitreoretinopathy aqueous inflammation silicone oil tamponade vitrectomy predictors

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Impact of electric Vehicle Aggregator with Communication Time Delay on Stability Regions and Stability Delay Margins in Load Frequency Control System

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Journal of Modern Power Systems and Clean energy 2021年第3期9卷 595-601页

作者： Ausnain Naveed Sahin sonmez Saffet Ayasun the Department of electrical and electronic engineering Nigde Omer Halisdemir UniversityNigdeTurkey the Department of electrical and electronic engineering Gazi UniversityAnkaraTurkey

This paper investigates the impact of electric vehicle(eV)aggregator with communication time delay on stability regions and stability delay margins of a single-area load frequency control(LFC)***,a graphical method characterizing stability boundary locus is *** a given time delay,the method computes all the stabilizing proportional-integral(PI)controller gains,which constitutes a stability region in the parameter space of PI ***,in order to complement the stability regions,a frequency-domain exact method is used to calculate stability delay margins for various values of PI controller *** qualitative impact of eV aggregator on both stability regions and stability delay margins is thoroughly analyzed and the results are authenticated by time-domain simulations and quasi-polynomial mapping-based root finder(QPmR)algorithm.

关键词： Communication time delay electric vehicle(eV)aggregator frequency regulation proportional-integral(PI)controller design stability delay margin stability region

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An approximation technique for primary anastomosis(Gazi method)in selected cases of long gap esophageal atresia

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World Journal of Pediatrics 2016年第2期12卷 250-251页

作者： Ramazan Karabulut Zafer Turkyilmaz Kaan sonmez Department of Pediatric Surgery Gazi University Medical Faculty06500AnkaraTurkey

We read with great interest the article by Reismann et al about"Partial gastric pull-up(PGP)in the treatment of patients with longgap esophageal atresia(LGeA)."This article states that"The incidence of stenosis and gastro-esophageal refl ux(GeR)after PGP is considerably high,even compared with alternative surgical techniques for the treatment of LGeA and with their high complication *** cannot yet be generally recommended for the treatment of LGeA."

关键词： esophageal anastomosis stenosis

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Acknowledge of emotions for Improving Student-Robot Interaction

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Intelligent Automation & Soft Computing 2023年第7期37卷 1209-1224页

作者： Hasan Han Oguzcan Karadeniz Tugba Dalyan elena Battini sonmez Baykal Sarioglu Department of electrical and electronics engineering Istanbul Bilgi UniversityIstanbul34060Turkey Department of Computer engineering Istanbul Bilgi UniversityIstanbul34060Turkey

Robot companions will soon be part of our everyday life and students in the engineering faculty must be trained to design,build,and interact with *** two affordable robots presented in this paper have been designed and constructed by two undergraduate students;one artifi-cial agent is based on the Nvidia Jetson Nano development board and the other one on a remote computer ***,the robots have been refined with an empathetic system,to make them more *** automatic facial expression recognition skills is a necessary pre-processing step for acknowledging emotions,this paper tested different variations of Convolutional Neural Networks(CNN)to detect the six facial expressions plus the neutral *** state-of-the-art performance of 75.1%on the Facial expression Recognition(FeR)2013 database has been reached by the ensemble voting *** runner-up model is the Visual Geometry Group(VGG)16 which has been adopted by the two robots to recognize the expressions of the human partner and behave *** empirical study run among 55 university students confirmed the hypothesis that contact with empathetic artificial agents contributes to increasing the acceptance rate of robots.

关键词： Artificial intelligence deep learning convolutional neural networks facial expression recognition robotics education professional learning

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enhancing perianal disease management with integrated physical and psychological approaches

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World Journal of Clinical Cases 2025年第2期13卷 59-63页

作者： Uchenna e Okpete Haewon Byeon Department of Digital Anti-aging Healthcare(BK21) Inje UniversityGimhae 50834South Korea

This article provides a comprehensive analysis of the study by Hou et al,focusing on the complex interplay between psychological and physical factors in the postoperative recovery(POR)of patients with perianal *** study sheds light on how illness perception,anxiety,and depression significantly influence recovery *** et al developed a predictive model that demonstrated high accuracy in identifying patients at risk of poor *** article explores the critical role of pre-operative psychological assessment,highlighting the need for mental health support and personalized recovery plans in enhancing POR quality.A multidisciplinary approach,integrating mental health professionals with surgeons,anesthesiologists,and other specialists,is emphasized to ensure comprehensive care for *** study’s findings serve as a call to integrate psychological care into surgical practice to optimize outcomes for patients with perianal diseases.

关键词： Perianal disease Post-operative recovery Anxiety Depression Pain management emotional well-being Multidisciplinary approach

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