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Balsa çekirdekli sandviç kompozitlerin darbe davranışlarının deneysel olarak incelenmesi
(Tüm Bilim İnsanları ve Akademisyenler Derneği, 2021)Sandviç kompozitler, kullanım alanlarına bağlı olarak farklı darbe yüklerine maruz kalabilmektedir. Yapının darbe yükü altındaki davranışları, tasarım açısından önemli bir parametredir. Bu çalışmada, 4mm, 6mm, 8mm ve 10mm ... -
Burr measurement method based on burr surface area
(Korean Society for Precision Engineering, 2020)One of the major issues of drilling operations pertains to the formation of burrs, which greatly influences the accuracy of the manufactured parts, and, thus, the capability to meet the desired performance of the part. To ... -
Determination of energy value and ash-sulfur content of clean fuel obtained from lignite carbonization at different heating rates
(2021)Carbonization (low-temperature pyrolysis) is an economical and efficient method used to obtain solid products from lignite and improve calorific value. This research focused on the morphological and structural properties ... -
Determination of tensile strength of cementitious composites using fracture parameters of two-parameter model for concrete fracture
(Elsevier, 2022)In this study, the formulation of the two-parameter model based on the size effect proposed by previous researchers was initially improved to be much more practical. Subsequently, six series of notched and unnotched beams ... -
Düşük ısıl değerli linyit ve atık biyokütlenin dumansız yakıt olarak kullanılabilirliğinin araştırılması
(Bursa Uludağ Üniversitesi, 2021)Enerji, bir toplumun en önemli temel ihtiyaçlarından biridir. Gelişmekte olan ve az gelişmiş ülkelerdebu enerji ihtiyacının çoğu fosil enerji kaynaklarından karşılanmaktadır. Bu kaynaklar, hem sınırlı hem deçevreyi olumsuz ... -
Effect of fly ash and marble powder on and flow properties and compressional strength of grouts
(Baski, 2019)Coal fly-ash and marble powders are two environmentally important industrial waste materials that should be utilized. It is known that they are used as additives in concrete production for many years. In this study, the ... -
EMG Sinyallerinin Kısa Zamanlı Fourier Dönüşüm Özellikleri Kullanılarak Yapay Sinir Ağları ile Sınıflandırılması
(Fırat University, 2019)EMG sinyali kasların kasılması sırasında oluşan elektriksel aktivasyonun ölçülmesi işlemidir. EMG sinyali, kasların nöral aktivasyonu ve dinamikleri hakkında bilgi sağlamaktadır. Bu nedenle EMG sinyallerinin işlenmesi; ... -
Evaluation of Noise Emission in A Textile Plant
(Malatya Turgut Ozal University, 2020)Textile industry is characterized by the use of complicated machinery in mass production methods in order to meet increased consumption demands. This situation brings with it some issues for the employees. Many of the ... -
Falcon Konsantratör ile Ermenek Linyitinden Kül ve Kükürdün Uzaklaştırılması
(Afyon Kocatepe Üniversitesi, 2021)Bir kömürün kalitesini belirleyen en önemli içeriği kül ve kükürttür. Bu bileşenler genellikle kömür içerisinde, ince taneler halinde dissemine şekilde bulunmaktadır. Dolayısıyla kömürlerden kül ve kükürdün uzaklaştırılması ... -
Highly Active Fe3O4@SBA-15@NHC-Pd Catalyst for Suzuki–Miyaura Cross-Coupling Reaction
(Springer, 2021)A novel Pd-NHC functionalized magnetic Fe3O4@SBA-15@NHC-Pd was synthesized and used as an efficient heterogeneous catalyst in the Suzuki–Miyaura C–C bond formation reactions. The Fe3O4@SBA-15@NHC-Pd characterized by X-Ray ... -
Modeling of the effect of falcon concentrator parameters on lignite deashing with Taguchi orthogonal design
(Taylor & Francis, 2021)In this study, the deashing of Sivas-Kangal (Turkey) lignite was carried out under different conditions. Solids ratio (20%, 30%, 40% and 50% by weight), centrifugal force (20, 100, 176 and 300 G), feed rate (0.5, 1.0, 1.5 ... -
N-heterocyclic carbene Pd(II) complex supported on Fe3O4@SiO2: Highly active, reusable and magnetically separable catalyst for Suzuki-Miyaura cross-coupling reactions in aqueous media
(Elsevier, 2021)A new type magnetic nano Fe3O4@SiO2@NHC@Pd-MNPs heterogeneous catalyst was fabricated and characterized by Fourier Transform Infrared (FTIR) spectroscopy, Transmission Electron Microscopy (TEM), X-Ray Diffraction (XRD), ... -
Physical exercise may improve problem-solving skills and emotional intelligence in patients with relapsing-remitting multiple sclerosis: A cross-sectional study
(Elsevier B.V. All, 2022)Background: Multiple sclerosis is a disease that can reduce the quality of life with a physical disability, neuro-psychiatric disorders, and cognitive dysfunctions. Therefore, multiple sclerosis treatment should include ... -
Residual strength prediction based on size effect of cracked concrete members
(ICE Publishing, 2021)In engineering materials, defects, such as cracks, may occur during production and/or owing to various reasons. One of the aims of fracture mechanics is to determine the fracture toughness-based residual strength of ... -
A study on the investıgation of improvement in coal liquefaction product efficiency
(Eskişehir Teknik Üniversitesi, 2019)The aim of this study is to improve the yields of Malatya-Arguvan lignite liquefaction products (char, preasphaltene, asphaltene, oil-gas). For this purpose, the liquefaction experiments of coal which was firstly raw and ... -
A study on the optoelectronic parameters of 4-chloromethyl-7-hydroxy coumarin in various solvents and concentrations
(Türkiye Kimya Derneği, 2021)A coumarin derivative, namely 4-chloromethyl-7-hydroxy coumarin (CMEHC), was synthesized in order to test the concentration and solvent effect on its optical properties. The spectral characterization of this compound was ... -
Use of water quality index and multivariate statistical methods for the evaluation of water quality of a stream affected by multiple stressors: A case study
(Elsevier, 2020)Therefore, water quality of the stream is of great importance. In this study, multivariate statistical techniques (MSTs) and water quality index (WQI) were applied to assess water quality of the stream affected by multiple ...