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The Determination of Harmful Hymenoptera and Lepidoptera Species in Forest Nurseries in the Western Black Sea Region of Türkiye
Get PDFAim of the study: The aim of this study was to determine the harmful Hymenoptera and Lepidoptera species in some forest nurseries between 2021 and 2022. Area of study: The study areas were selected from forest nurseries located in the Western Black Sea Region of Turkiye. Material and methods: Visual inspections were performed on plants, then larvae and gall samples were collected by hand and photographed on host plants. Gall wasps were reared with the galls and examined by scanning electron microscopy. Collected caterpillars and sawfly larvae samples were placed with the host plant in an insect rearing cage for adult emergence under constant conditions. The oak gall wasp was also identified by molecular methods. Main results: In this study, four species of Hymenoptera and six species of Lepidoptera were determined. These are Dryocosmus kuriphilus, Diprion pini, Craesus septentrionalis, Hyphantria cunea, Euproctis chrysorrhoea, Calliteara pudibunda, Dioryctria simplicella, Phalera bucephala and Acronicta rumicis. The oak gall wasp was identified as Cynips quercusfolii with 97.87% identity. Research highlights: Amog these species, C. septentrionalis was new record for the insect fauna of the Western Black Sea Region. In addition, C. pudibunda and P. bucephala were reported for the first time from Kastamonu province.Duzce UniversityThe authors declared that this study was supported by Duzce University
Öğretmenlerin Yaşadıkları Gerçeklik Şokunun Neden ve Sonuçları
Get PDFBu çalışmanın amacı, öğretmenlerin yaşadıkları gerçeklik şokunun neden ve sonuçlarını anlamaya çalışmaktır. Araştırmanın çalışma grubunu, 2022-2023 eğitim öğretim yılında Düzce il merkezindeki resmi ortaokul kurumlarında çalışan farklı branşlardaki 14 öğretmen oluşturmaktadır. Çalışma grubunu belirlenirken amaçlı örneklem tekniklerinden ölçüt örnekleme tekniği kullanılmıştır. Çalışma, temel nitel araştırma deseninde yürütülmüştür. Veriler açık uçlu sorular yoluyla toplanmış ve verilerin analiz edilirken içerik analizi tekniği kullanılmıştır. Ulaşılan sonuçlara göre öğretmenlerin, veli kaynaklı, meslektaş ve okul yönetimi kaynaklı, öğrenci kaynaklı, öğretmenin tecrübesizliğinden kaynaklı gerçeklik şoku yaşadıkları görülmüştür. Gerçeklik şokunun psiko-sosyal yaşantılara yansımaları, mesleki yönden ve kişisel yönden oluşmuştur. Bunlar, hayal kırıklığı, meslekten soğuma, mesleki, sosyal ve psikolojik anlamda öğrenciye yetememek, öğrenci vakalarının etkisinde kalmak gibi durumlardır. Gerçeklik şokunun bireysel ve mesleki yansımaları alt teması, öğretmen yönünden ve öğretim programı değişikliği yönünden oluşturulmuştur. Deneyimsizliklerden ders çıkarma, sosyalleşememe, tükenmişlik hissi bu yansımaların sonuçlarındandır. Öğretmenlerin, mesleğin ilk yıllarında karşılaştıkları gerçeklik şoku dikkate alınarak, lisans eğitiminde, staj döneminde, adaylık eğitiminde uygulanan programların gözden geçirilmesi önerilmiştir
Role of hydrogen-enrichment for in-direct diesel engine behaviours fuelled with the diesel-waste biodiesel blends
Get PDFCarbon footprint indicates the total amount of greenhouse gases released into the atmosphere by individuals, institutions and countries. The widespread use of fossil fuels is a big player which increases the carbon footprint. Therefore, switching to sustainable alternatives in energy production and consumption is an effective step in combating climate change, as well as efforts to prevent the depletion of fossil fuels. In this regard, although biodiesels offer a solution to the depletion of fossil fuels, with this advantage, the effects of production processes and use on environmental sustainability should be taken into consideration. Many scientific studies have shown that engine performance remains below standards with biodiesel. The availability of hydrogen as an energy carrier in cylinder to overcome the above -mentioned negative situations has recently become a popular topic for fuel researchers. In this work, the diesel-biodiesel fuels were blended proportionally and tested on a threecylinder water-cooled in -direct diesel engine at varying loads (15, 30, 45, and 60 Nm) and a constant engine speed of 2200 rpm for observing the effects of test fuels on combustion, performance, and emissions characteristics of diesel engine. First of all, conventional diesel fuel (D) was used to obtain reference data, and then B20 fuel obtained by mixing waste cooking oil with 20 % by volume of diesel fuel was used. The remaining 4 fuels are test fuels obtained by giving hydrogen from the intake manifold at different flow rates (10, 20, 30, and 40 L/min) in addition to B20 fuel. These fuels are called B20 + 10 Lpm H 2 , B20 + 20 Lpm H 2 , B20 + 30 Lpm H 2 and B20 + 40 Lpm H 2 , respectively. As a result, the BSFC of B20 fuel increased by 8.78 % compared to diesel fuel, and then the addition of hydrogen dropped the BSFC value by 8.8 %, 13.02 %, 17.16 %, and 22.12 % for B20 + 10 Lpm H 2 , B20 + 20 Lpm H 2 , B20 + 30 Lpm H 2 , and B20 + 40 Lpm H 2 , respectively. Hydrogen enrichment also had a positive impact on BTE. Although the BTE dropped by 6.14 % in B20 fuel compared to diesel, it increased by 4.51 %, 5.05 %, 5.62 %, and 7.12 % in B20 + 10 Lpm H 2 , B20 + 20 Lpm H 2 , B20 + 30 Lpm H 2 and B20 + 40 Lpm H 2 fuels, respectively. The addition of 10, 20, 30, and 40 Lpm H 2 to B20 fuel reduced NOx emissions by 31.25 %, 33.08 %, 38.87 %, and 41.46 %, respectively, and also reduced CO emissions by 17.47 %, 30.73 %, 51.8 % and 59.04 % respectively.Duzce University Scientific Research Projects Coordination [2022.06.05.1276]; Duzce UniversityThis present work is being funded by Duzce University Scientific Research Projects Coordination with the project number 2022.06.05.1276. The authors highly appreciate to Duzce University for its financial support
MIL, SIL and PIL Implementation for Closed Loop Control ofFlyback Converter
Get PDFPower electronic systems are rapidly evolving; thus,effective prototyping methods are required to test control algorithms and assess system performance prior to hardware implementation. This research suggests a Model-In-The-Loop (MIL), Software-In-The-Loop (SIL), and Processor-In-The-Loop (PIL) methodologies-based complete prototyping strategy for flyback converters using the TIF28069M Launchpad kit. These techniques can be combined to evaluate control strategies accurately and quickly, speeding up design cycles and enhancing system reliability. The proposed prototyping platform is presented in this work, along with a thorough explanation of each prototyping stage and its associated advantages. The effectiveness of the suggested approachfor 50W rated power flyback converter in terms of quick algorithm development, system simulation, real-time control implementationand controller design accuracy isanalyzed andshown by experimental results.The results show that the performance of the designed controller for the flyback converter is almost the same as in MIL and SIL implementation in terms of the overshoot and settling time in the reference voltage tracking. On the other hand, in the PIL implementation, the overshoot performance of the controller deviates by 1.18% more than in SIL and MIL implementation.These alsoconfirm thatthe flyback control system's performance isreliable and effective during all phases of development
Quantum symmetric integral inequalities for convex functions
Get PDFIn the context of quantum symmetric calculus, this study proposed more refined version of Ostrowski and Hermite-Hadamard type inequalities. The function involved in these inequalities are convex functions. In order to reach the target, left and right quantum symmetric derivative and corresponding integral are used. Furthermore, the H & ouml;lder inequality is established in the frame work of left and right quantum symmetric integral. The new results refined the results about integral inequalities that exist in the literature.Ammara Nosheen: Conceptualization; investigation. Sana Ijaz: Writing-original draft. Khuram Ali Khan: Validation; writing-review and editing. Khalid Mahmood Awan: Formal analysis; supervision. Huseyin Budak: Methodology; visualization
Utilization of Recycled Brick Powder as Supplementary Cementitious Materials-A Comprehensive Review
Get PDFOver the past two decades, extensive research has been conducted to explore alternative supplementary cementitious materials (SCMs) in order to address the environmental concerns associated with the cement industry. Bricks, which are frequently preferred in the construction sector, generate a lot of waste during the production and demolition of existing buildings, requiring environmentally sustainable recycling practices. Therefore, many studies have been carried out in recent years on the use of brick waste as supplementary cementitious materials (SCMs) in cement mortar and concrete production. This critical review evaluates the impact of waste brick powder (WBP) on the mechanical and durability properties of mortar and concrete when used as a partial replacement for cement. It was observed that the properties of WBP-blended cement mortar or concrete depend on several factors, including WBP particle size, replacement ratio, pozzolanic activity, and mineralogical structure. The findings indicate that WBP with a particle size range of 100 mu m to 25 mu m, with a maximum cement replacement level of 10-20%, exhibits a positive impact on the compressive strength of both mortars and concretes. However, it is crucial to emphasize that a minimum curing duration of 28 days is imperative to facilitate the development of a pozzolanic reaction. This temporal requirement plays a vital role in realizing the optimal benefits of utilizing waste brick powder as a supplementary cementitious material in mortars and concretes
Jinekolojik Kanser Tanısı Alan Kadınlarda Bilişsel Davranışçı Sanat Terapi Uygulaması Kadınlık Algısını Değiştirir mi? Olgu Sunumu
Get PDFÇalışmada geçirdiği jinekolojik kanser tedavisi sonrası kendini artık kadın gibi hissetmediğini söyleyen Olgu A. ve hastalığı nedeniyle “İleri de anne olabilecek miyim? Ya olamazsam?” gibi düşüncelerle zihninin sürekli meşgul olduğunu ve belirsizliğin kendisini çok üzdüğünü ve yorduğunu belirten Olgu B. ele alınmıştır. Olgulara “kadınlık algısı” ile çalışmada bilişsel davranışçı sanat terapi uygulamalarının kullanımı ve etkisini ortaya koymak amacıyla bilişsel davranışçı sanat terapi uygulamalarından oluşan yapılandırılmış “Kadınlık Kimliğini İyileştirme Programı” uygulanmıştır. Oturumlar sonrasında her iki olgunun da kadınlık ile ilgili duygularını ifade edebildiği, duyguları ile kalabildiği, güçlü ve güçlenmeye açık olan yönlerini fark edebildiği, otomatik düşüncelerini yakalayabildiği ve alternatif düşünceler geliştirerek kadınlığa yönelik algılarında olumlu değişiklikler olduğu görülmüştür
Optimal planning of hybrid power systems under economic variables and different climatic regions: A case study of Türkiye
Get PDFRenewable energy-based hybrid power systems (HPS), proposed based on demand in the transition to clean energy-indexed societies, are high-potential investments. However, cost-based optimal sizing and feasibility analyses are complicated due to unforeseen variables and do not guarantee a reliable and robust optimization framework. This study optimizes minimum-cost HPS planning for diverse loads across varied climates and economic conditions, providing holistic comparisons of technical, financial, and environmental viability. According to the analysis, fluctuating economic structure emphasizes that unsubsidized hybrid power system installations are inefficient, the severe imbalance between inflation and interest rates limits the benefits of hybrid power systems and creates an uncertain investment environment for stakeholders. The gradual increase in interest rates to limit inflation has created a more viable renewable energy investment environment, while payback periods are reduced to 7.21 years. Even under identical economic conditions, the renewable fraction of energy in regions with high solar potential can be up to 25 % higher than in regions with less potential. Moreover, payback periods can vary up to 6 years, depending on the variability in solar generation and load profiles. Considering the significant impact of economic uncertainty on HPS investments, optimization plans that reduce investment risks will be helpful to stakeholders
Effect of Resveratrol and Curcumin on Changes in Fatty Acid Composition and Oxidative Stress in Liver and Kidney Tissues of Rats Exposed to 7,12-Dimethylbenz[a]anthracene (DMBA)
Get PDFThis study was conducted for the main purpose of evaluating the effect of resveratrol and curcumin on changes in fatty acid composition in liver and kidney tissues of rats exposed to DMBA. Resveratrol groups: 40 mg/kg resveratrol was administered for only 3 days per week throughout the experiment. Curcumin groups: 40 mg/kg curcumin was administered for only 3 days per week throughout the experiment. DMBA groups: A single dose of 20 mg/kg DMBA was administered once throughout the duration of the experiment. Fatty acid composition, fat-soluble vitamins, cholesterol and phytosterol analyses analyses were performed in tissues. Antioxidant tests were also performed. It was found that the amounts of C16:0, C17:0, C17:1 and C22:5 n3 decreased significantly in the liver tissue of rats administered DMBA, but the amounts of C20:3 n6 ve C22:6 n3 increased significantly. It was found that C16:0 and C18:2 n6c levels increased significantly in kidney tissue, but C17:1 level decreased significantly. As a result of the administration of Curcumin, Resveratrol, DMBA + Curcumin and DMBA + Resveratrol in both liver and kidney tissue, it was determined that some fatty acid values decreased significantly and some fatty acid values increased significantly. Compared to the DMBA group, it was determined that all groups studied had significant changes in the amount of some fat-soluble vitamins, cholesterol, sitosterols in tissues. In conclusion the administration of DMBA, resveratrol and curcumin both single and in combination, it was found that there may be significant changes in the fatty acid composition, fat-soluble vitamins, cholesterol and phytosterols in tissue.Firat University Research Projects Unit (FUBAP) [FF.17.24]This study was supported by Firat University Research Projects Unit (FUBAP) (Project no. FF.17.24)
Understanding the shape effect on the structural, energetic, magnetic, and pressure properties of the 38 atom-Co-Fe-Pd nanoalloys using Gupta and DFT calculations
Get PDFThe alloy of magnetic metals with noble metals plays a key role in showing the magnetism of 3d metals and the catalytic properties of noble metals. A growing body of evidence suggests that 38 atoms is one of the most critical sizes for Ih and TO motifs. This study analyses the roles played by the shape effect on the structures, energies, magnetism, and pressures of Co6FenPd32-n (n = 0-32) nanoalloys and provides evidence regarding this phenomenon. Therefore, this study should be of value to researchers wishing to conduct future experimental and theoretical studies on the catalytic, electronic, optical, and magnetic properties of nanoalloys