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Modelling and fabrication of flexible strain sensor using the 3D printing technology
No full textThe use of additive manufacturing (AM) or 3D printing in sensor technology is increasing daily because it can fabricate complex structures quickly and accurately. This study presents the modeling, fabrication, and characterization processes for the development of a resistance type flexible strain sensor. The finite element model of the sensor was developed using COMSOL software and was verified experimentally. The experimental results agreed well with the simulation results. The fabrication process was performed using the molding technique. The flexible substrate of the strain sensor was fabricated by fused deposition modeling (FDM), an AM method, with dimensions of 20 mm × 60 mm and a thickness of 2 mm. In this process, a flexible and durable elastomer material called thermoplastic polyurethane (TPU) was used. The liquid conductive silver was then injected into the mold channels. The characterization process was performed by establishing experimental and numerical setups. Studies were conducted to maximize sensitivity by changing the geometric properties of the sensor. At the 30% strain level, sensitivity increased by 9% when the sensor thickness decreased from 2 to 1.2 mm. As a result of the gradually applied force, the strain sensor showed a maximum displacement of 34.95 mm. Tensile tests were also conducted to examine the effects of stress accumulation on the flexible base. The results of this study show that the strain sensor exhibits high linearity-sensitivity and low hysteresis performance. © 2025 Elsevier B.V., All rights reserved
5.Sinif Kurmanci Ders Kitaplarindaki Hikâye Edici Metinlerin Çocuk Gerçekligi Açisindan Incelenmesi [KU] Ji Alîyê Rastîya Zarokan ve Vekolandina Metinên Vegêranê yên di Pirtûka Dersa Kurmancî ya Pola 5an da
Get PDFBu çalismanin amaci, 5. sinif Kurmanci ders kitaplarindaki hikâye edici metinleri ‘çocuk gerçekligi’ açisindan incelemektir. Bu amaç çerçevesinde söz konusu kitaplardaki hikâye edici metinler çocugun dogasina, ihtiyaçlarina, bakis açisina, ilgisine, dil ve anlam evrenine uygunluk durumu açisindan ele alinmistir. Çalisma nitel arastirma yöntemlerinden biri olan doküman incelmesine göre yürütülmüstür. Çalismanin materyalini, Millî Egitim Bakanliginca 2022-2023’ten bugüne 5. sinif Kurmanci dersi için okutulan kitaplardaki hikâye edici metinlerden olusmaktadir. Elde edilen veriler betimsel analizle çözümlenmis, sayisal verilerle ifade edilmis, tablolar halinde sunulmus ve yorumlanmistir. Çalismanin sonunda “Kurdî Kurmancî 5” ders kitabindaki hikâye edici metinlerin %66 oraninda çocuk gerçekligine uygunluk gösterdigi belirlenmistir. Elde edilen bu sonuç, bu ilkeyi gözeten metinlerin yaninda yeterince gözetmeyen metinlerin de yer aldigini, dolayisiyla incelenen Kurmanci ders kitaplarinin çocuk gerçekligini tam anlamiyla dikkate almadigini göstermektedir. [KU] Armanca vê vekolînê, metinên vegêranê yên ku di pirtûka dersa kurmancî ya pola 5an da cih digirin ji alîyê ‘rastîya zarokan’ ve vekolandin e. Li gor vê armancê lihevhatina metinên vegêranê yên vê pirtûkê li jer-hêmanên rastîya zarokan ên bi navê xweza, pêdivî, bergeh, hewes û gerdûna ziman û fehma zarokan ve hatîye vekolandin. Ev vekolîn li gor yek ji çesna rêbaza vekolîna çawanî (qualitative research methods) ya bi navê analîza dokumentan (document analysis) ve hatîye çêkirin. Materyala vê vekolînê ji metinên vegêranê yên di pirtûka dersa kurmancî ya pola 5an ya ku ji alîyê Wezareta Perwerdeya Neteweyî ve hatîye wesandin pêk tên. Daneyên ku hatine bidestxistin bi analîza teswîrî (descriptive analysis) ve hatine analîzkirin û bi daneyên jimarî ve hatine îfadekirin. Pasê ew bi tabloyan ve hatine pêskêskirin û sîrovekirin. Di dawîya vê vekolînê da rêjeya lihevhatina metinên vegêranê yên pirtûka dersa “Kurdî Kurmacî 5” li rastîya zarokan ji sed
Ögretmenlik mesleki gelisimini destekleme yolunda “Ted Gibi Konus” kitabi
Get PDFIn this study, in order to support the professional development of pre-service teachers, their experiences on the book "Talk Like TED" were examined and the book was analyzed with concept maps. Parallel mixed method research was used in the study. The study group consisted of 84 second-year students from different departments of the faculty of education by convenience sampling. The data were collected with a questionnaire form prepared by the researcher that combines both quantitative and qualitative data. In addition, the participants were asked to create mind maps to analyze the content and basic principles of the book. In the study, qualitative and quantitative data were collected at the same time, but analyzed separately, and the results of the analysis of both data sets were combined and interpreted. In order to analyze the quantitative data, descriptive statistics such as arithmetic mean, standard deviation, percentage, and frequency were made through the SPSS 18.0 package program. Qualitative data were analyzed by content analysis in MAXQDA program. As a result of the research, it was determined that Talk Like TED book were analyzed and a basic structure about the main topics of the book was reached, pre-service teachers developed positive opinions about the book, the book created awareness in developing professional teaching skills, especially in developing effective presentation, communication and expression skills. In line with these results, suggestions for the integration of the book into teacher training programs were presented.Bu arastirmada ögretmen adaylarinin mesleki gelisimini desteklemek amaciyla “TED Gibi Konus” kitabi üzerine deneyimleri incelenmis ve kavram haritalariyla kitabin analizi yapilmistir. Çalismada paralel karma yöntem arastirmasi kullanilmistir. Çalisma grubu, kolay ulasilabilir durum örneklemesiyle egitim fakültesinin farkli bölümlerinde ögrenim gören 84 tane 2. sinif ögrencisi olusturmaktadir. Veriler arastirmaci tarafindan hazirlanan hem nicel hem nitel verilerin bir arada oldugu bir degerlendirme formu ile toplanmistir. Ayrica kitabinin içerigi ve temel ilkelerine dair çözümlemeler için katilimcilarin zihin haritalari olusturmalari saglanmistir. Çalismada, nitel ve nicel veriler ayni anda toplanmis, ancak ayri ayri analiz edilmis ve her iki veri setinin analiz sonuçlari birlestirilerek yorumlanmistir. Nicel verilerin çözümlenmesi amaciyla SPSS 18,0 paket programi araciligiyla aritmetik ortalama, standart sapma, yüzde, frekans gibi betimsel istatistikler yapilmistir. Nitel veriler ise MAXQDA programinda içerik analizi ile çözümlenmistir. Arastirma sonucunda; TED Gibi Konus kitabi çözümlenerek kitabin ana hatlariyla ilgili temel bir yapiya ulasildigi, kitapla ilgili ögretmen adaylarinin olumlu görüsler gelistirdigi, kitabin ögretmenlik mesleki becerilerini gelistirmede farkindalik yarattigi özellikle de etkili sunum, iletisim ve anlatim becerilerini gelistirmede olumlu yönde farkindalik gelistirdigi belirlenmistir. Sonuçlar dogrultusunda ögretmen yetistirme programlarina kitabin entegrasyonu ile ilgili öneriler sunulmustur
The effect of religious coping and prosocial behaviors on secondary traumatic stress in nurses
Get PDFBackgroundNurses are routinely exposed to traumatic events as part of their professional duties, placing them at risk of developing secondary traumatic stress (STS). This condition can negatively impact both their psychological well-being and job performance. Although religious coping strategies and prosocial behaviors are thought to play a protective role against STS, these effects remain understudied in the literature.MethodsThis descriptive and cross-sectional study was conducted with the participation of 516 nurses. Data were collected between April and August 2024 using the 'Sociodemographic Data Form', Religious Coping Scale', Prosocial Behavior Scale and Secondary Traumatic Stress Scale. In the study, hierarchical regression analysis was applied to examine the effect of independent variables on the dependent variable.Results58.6% of the nurses were between the ages of 18-31, 58.4% were undergraduate graduates, and 82.6% had experienced a traumatic event. The mean score of prosocial behavior was 3.04 +/- 0.63 and the mean score of secondary traumatic stress was 48.98 +/- 13.52. Positive religious coping (mean = 20.02 +/- 4.31) showed a moderate negative correlation with secondary traumatic stress (r=-0.563, p = 0.001). Hierarchical regression revealed that religious coping strategies (positive and negative religious coping) alone explained 31.8% of the variance in secondary traumatic stress (R-2=0.318), and when prosocial behavior was added, this percentage increased to 33.9%.ConclusionsThis study highlights the critical role of positive religious coping and prosocial behavior in reducing secondary traumatic stress among nurses frequently exposed to traumatic events. Positive religious coping emerged as the strongest protective factor, while prosocial behavior also contributed significantly to the reduction of stress levels. Strengthening positive coping mechanisms and promoting prosocial behaviors may be effective strategies to support nurses' mental health and resilience in trauma intensive care settings.Clinical implicationsPositive religious coping and prosocial behaviors were found to be effective in reducing nurses' secondary traumatic stress. It is recommended that training and support programmes that support nurses' positive coping skills should be expanded in clinical practice.Sakarya niversitesi, TrkiyeWe would like to express our sincere thanks to everyone who supported and contributed to this research
Muş Lalesi (Tulipa Sintenisii Baker)’nde Soğan ve Bitki Gelişimi Üzerine Seleksiyon Islahı Çalışmaları
Get PDFBu çalışma; Muş Alparslan Üniversitesi Muş Lalesi Uygulama ve Araştırma Merkezi Müdürlüğü tarafından Muş lalesi (Tulipa sintenisii Baker)’nde soğan ve bitki gelişimi özelliklerini seleksiyon ıslahı yolu ile iyileştirmek amacıyla 2020-2023 yılları arasında üç yıl süre ile yürütülmüştür. Araştırma sonuçlarına göre; Muş Lalesi genotiplerinde bitki boyu değerleri 9-34 cm, yaprak sayısı 2-8 adet/bitki, toplam soğan ağırlığı 6,10-47,37 g, ana soğan ağırlığı 1,40-46,79 g, toplam soğan sayısı 1-5 adet/bitki, ana soğan çapı 9,30-45,13 mm, ana soğan boyu 10,42-52,55 mm arasında bulunmuştur. Kullanılan soğanın ağırlığı ve büyüklüğü bir sonraki yıl elde edilecek bitkide soğan ve bitki gelişimini olumlu yönde etkilemiştir. Muş lalesi diğer lale türlerinden farklı olarak genelde bir ana soğandan 1 yavru soğan vermektedir, seleksiyon ıslahı çalışmaları ile yavru soğan verme potansiyeli 4-5 sayıya kadar çıkarılabilmiştir. Sonuç olarak, elde edilen veriler Muş Lalesi (Tulipa sintenisii Baker)’nin diğer lale türleri gibi ticari olarak üretilebilmesine katkı sağlayacaktır
Investigation of the effects of swimming exercises on motor skills and respiratory functions i̇n 10-12 age group swimmers and the relationship between these features
Get PDFBu tez çalışması; düzenli yüzme egzersizi yapan 10-12 yaş grubu öğrencilerde yüzme egzersizlerinin motor beceriler ve solunum fonksiyonlarına etkisi ile bu özellikler arasındaki ilişkinin incelenmesini amaçlamaktadır. Çalışmaya, düzenli yüzme egzersizi yapan 20 öğrenci ve 20 sedanter öğrenci olmak üzere toplamda 40 öğrenci gönüllü olarak katılmıştır. Öğrencilere antropometrik ölçümler, çeşitli motorik performans testleri (otur-eriş, 20 m sürat, Illinois çeviklik, dikey sıçrama, 6 dakika yürüyüş, şınav, mekik, flamingo denge) ve spirometre cihazı aracılığıyla solunum fonksiyon testleri uygulanmıştır. Verilerin analizinde IBM SPSS programı kullanılmış, verilerin dağılımının normallik göstermemesi sebebiyle gruplar arası karşılaştırmalarda Mann Whitney U testi; değişkenler arası ilişkilerin incelenmesinde ise korelasyon analizi yapılmıştır. Araştırmanın sonucunda, motor beceriler ve solunum fonksiyonları ölçümleri karşılaştırıldığında yüzme egzersizi yapan öğrencilerin lehine istatistiksel olarak anlamlı fark olduğu göstermektedir (p <0.05). Özellikle esneklik, çeviklik, sürat, dayanıklılık ve denge testlerinde yüzme egzersizi yapan öğrencilerin lehine belirgin farklar tespit edilmiştir. Ayrıca motor beceriler ile solunum fonksiyonları arasında cinsiyet ve grup türüne göre farklılık gösteren anlamlı ilişkiler bulunmuştur. Elde edilen sonuçlar, düzenli yüzme egzersizlerinin çocuklarda hem motor gelişim hem de solunum fonksiyonları üzerinde olumlu etkiler yarattığını göstermektedir. Bu bulgular doğrultusunda, yüzmenin çocuk gelişiminde temel bir fiziksel aktivite olarak teşvik edilmesi önerilmektedir.This thesis study aims to examine the effects of swimming exercises on motor skills and respiratory functions in 10-12 age group students who do regular swimming exercises and the relationship between these features. A total of 40 students, 20 of whom did regular swimming exercises and 20 of whom were sedentary students, participated in the study voluntarily. Anthropometric measurements, various motor performance tests (sit-reach, 20 m sprint, Illinois agility, vertical jump, 6-minute walk, push-ups, sit-ups, flamingo balance) and pulmonary function tests using a spirometer were performed. IBM SPSS program was used to analyze the data, Mann Whitney U test was used for comparisons between groups due to the non-normality of the distribution of the data, and correlation analysis was used to examine the relationships between variables. As a result of the research, when motor skills and respiratory function measurements are compared, it is shown that there is a statistically significant difference in favor of students who do swimming exercises (p <0.05). Significant differences were found in favor of students who did swimming exercises, especially in flexibility, agility, speed, endurance and balance tests. In addition, significant relationships were found between motor skills and respiratory functions that differed according to gender and group type. The results obtained show that regular swimming exercises have positive effects on both motor development and respiratory functions in children. In line with these findings, it is recommended that swimming should be encouraged as a basic physical activity in child development
Investigation of the Validity and Reliability of the K-Force® Grip Dynamometer in the Evaluation of Hand Grip Strength in Individuals with Carpal Tunnel Syndrome
Get PDFDecreased grip strength is one of the most common symptoms of carpal tunnel syndrome (CTS). Grip strength is well-known to be closely related to quality of life and upper extremity functionality. In this context, the aim of our study was to examine the validity and reliability of the K-Force (R) Grip dynamometer (KFGD), which evaluated hand grip strength in individuals with CTS. A total of 35 unilateral CTS volunteers, aged 35-63 years were included in this study. Each of the two raters evaluated the participants' grip strength twice, for a total of four times, using the KFGD. In addition, grip strength was evaluated once with a Baseline (R) Grip dynamometer. According to the study findings, both inter-rater and test-retest reliability in the grip strength assessment of the KFGD were excellent (ICC>0.80). In addition, a high correlation was found between the grip strength values of the KFGD and the grip strength values of the Baseline (R) Grip dynamometer (r>0.80, p0.80). In addition, a high correlation was found between the grip strength values of the KFGD and the grip strength values of the Baseline (R) Grip dynamometer (r>0.80, p<0.05). The KFGD can be considered a valid, reliable and practical device for evaluating grip strength
The Relationship Between Spiritual Well-Being, Quality of Life and Health Protective Behaviors in Women with Chronic Diseases
Get PDFAmaç: Bu çalisma kronik hastaligi olan kadinlarda ruhsal iyilik hali, yasam kalitesi ve sagligi koruyucu davranislar arasindaki iliskiyi belirlemek amaciyla yapilmistir
On Ideal Convergence for Triple Sequences on L-Fuzzy Normed Space
Get PDFIn this paper, we delve into the exploration of ideal convergence within the framework of triple sequences on L -fuzzy normed spaces. Our primary focus is to establish a comprehensive characterization of ideal convergence for these triple sequences, particularly in relation to their convergence in the classical sense. Through rigorous analysis, we demonstrate that the notion of ideal convergence, as developed in this context, exhibits a weaker form of convergence compared to the traditional convergence criteria applied to triple sequences in L - fuzzy normed spaces. This weaker form of convergence, while more generalized, retains significant applicability and provides a broader understanding of the behavior of sequences within these structured spaces. The results presented herein offer new insights into the subtleties of sequence convergence in fuzzy normed spaces, paving the way for further advancements in this area of mathematical analysis
Addressing disparities: unmet health needs and its impact on health-related quality of life
No full textThis study focuses on unmet health needs in T & uuml;rkiye and their effects on health-related quality of life. It also aims to examine how cardiovascular diseases influence individuals' quality of life. To achieve these objectives, data from the T & uuml;rkiye Health Surveys, conducted by Turkish Statistical Institute, were analyzed. The study sample of individuals aged 18 and over. After excluding incomplete responses, a total of 70 000 observations were included in the analysis. To assess the quality of life, 15 questions from the surveys were selected based on their compatibility with the EQ-5D-3 L scale. The validity and reliability of these items were tested through factor analysis. Descriptive statistics, t-tests and regression models were used to analyze the data. The findings revealed that unmet health needs significantly reduce health-related quality of life. Individuals who could not access healthcare services due to financial difficulties, transportation issues or long waiting times reported lower quality of life scores. Furthermore, women, individuals with lower educational attainment and income levels and those diagnosed with cardiovascular diseases were found to have significantly lower quality of life. The study concludes that unmet health needs remain a critical health concern in T & uuml;rkiye, especially among disadvantaged and chronically ill populations. It is recommended that policymakers prioritize strategies to reduce financial and systemic barriers in healthcare access. Increasing educational and economic opportunities and enhancing support for patients with chronic diseases could contribute to improving overall health outcomes. Addressing these disparities will help align the healthcare system with the evolving needs of the population and promote a more equitable approach to health service delivery