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Найденный: 6 Экземпляр 0.001 sn
Устойчивое развитие ООН : Индустриализация, ин ... ✕Кафедра : Kimya Mühendisliği B ... ✕
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Индустриализация, инновации и инфраструктураСоздание прочной инфраструктуры, поддержка инклюзивной и устойчивой промышленности и укрепление инноваций
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Optimization by Using the Taguchi Method of Boric Acid Production by Dissolving Flash Calcined Colemanite in Water Saturated with SO2

Ali Osman SOLAK

Turkey has the largest boron reserves in the world with a rate of approximately 72. The most common commercial boron reserves in Turkey are colemanite, tincal, and ulexite. Boric acid, which is the most commonly used boron compound in Turkey, is obtained from the dissolution of colemanite with sulfuric acid. In the present study, an aqueous medium saturated with sulfur dioxide instead of sulfuric acid was used in order to obtain boric acid. Colemanite ore was flash calcined at various temperatures and optimum dissolution conditions of the ore obtained in water saturated with SO2 were examined ...Более

Статья 2023 Mühendislik Fakültesi Iranian Journal of Chemistry and Chemical Engineering (IJCCE)42 ( 5 ) 17 Просмотры
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New Voltammetric Approach to the Quantitative Estimation of Sildenafil Citrate in Tablets Using Disposable Pencil Graphite Electrode

Ali Osman SOLAK

The voltammetric behavior of sildenafil citrate (SC) was studied through differential pulse stripping voltammetry. The best sensitivity, optimal experimental conditions and settings for the voltammetric method development were obtained by applying experimental design and optimization methodology to the designed sample runs at different accumulation times, accumulation potentials and pHs. The linearity over the concentration range 1 × 10–7 M–8 × 10–6 M for SC was determined and the limit of detection (LOD) was 3.1 × 10–8 M. For the method ability and validity, mean recovery result and relative ...Более

Статья 2014 Mühendislik Fakültesi Sensor Letters12 ( 11 ) 36 Просмотры
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Determination of Moisture Transport Parameters of Some Fruits Under Open Sun Drying Conditions

İnci Türk TOĞRUL | Hasan TOĞRUL

In order to determine the behavior of fruits during drying under natural conditions, open sun drying experiments were conducted on apricots, grapes, peaches, figs, and plums. The drying rate curves of these fruit did not contain constant rate period, but showed a falling rate period. In the present work, Biot numbers and the mass transfer characteristics—namely moisture diffusivity and moisture transfer coefficient—of selected fruits were evaluated by drying coefficients (S) and lag factors (G). The experimental results exhibited mass transfer Biot numbers in the range of 0.115–0.158, thus ind ...Более

Статья 2007 Mühendislik Fakültesi International Journal of Green Energy4 ( 4 ) 73 Просмотры
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Synthesis of Smart Food Packaging from Poly (Gelatin-co-Dimethyl Acrylamide). Citric Acid-Red Apple peel Extract

Nahit AKTAŞ

A novel and smart hydrogel was synthesized from N, N dimethyl acrylamide (DMAAm), gelatin, and citric acid (CA) red apple peel extract (RApE) to be utilized as a multi-functional food packaging material. The p(Gelatin-co-DMAAm)/CA-RApE was prepared through a redox polymerization technique in film form in petri dishes. Mechanical and water resistance of the p(Gelatin-co-DMAAm)/CA-RApE was improved by the addition of citric acid and N, N, methylenebisacrylamide (MBA) as cross linker. The characterization of p(Gelatin-co-DMAAm)/CA-RApE was carried out by Fourier transform infrared spectroscopy (F ...Более

Статья 2021 Mühendislik Fakültesi Soft Materials19 ( 1 ) 130 Просмотры
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Kyrgyz learners' and teachers' experiences and perceptions related to ICT use in high school courses

Bakıt BORKOYEV | Kalıypa SALİYEVA | Gülşat MUHAMETJANOVA

The increasing use of ICT in education results in advantages for teaching and learning processes. In countries, especially in developing ones, it is essential to examine stakeholders' experiences and perceptions about ICT use in the courses. In this regard, this study firstly aims to investigate ICT use of Kyrgyz learners and teachers. Secondly, the study aims to examine learners' and teachers' perceptions with regard to ICT use in Science, Technology, Engineering, and Mathematics (STEM) courses in high schools in the Kyrgyz Republic. In the context of the study, two different questionnaires w ...Более

Статья 2020 Mühendislik Fakültesi Education and Information Technologies25 ( 6 ) 185 Просмотры
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Molecular imprinted polymers: important advances in biochemistry, biomedical and biotechnology

Kalıypa SALİYEVA | Bakıt BORKOYEV

Molecularly imprinted polymers (MIPs) are handmade receptors that mimic the binding of natural antibodies. In other words, MIPs can selectively bind to the target molecule and qualify as bio-inspired synthetic materials. Today, MIPs are used extensively and are being developed further for biological applications. High cost and time consuming techniques are compelling factors for the field of biochemistry, biomedicine and biotechnology (3B), and there is an urgent need for an alternative, cheap, easy to produce, fast and effective method in these fields. MIPs stand out as a promising way for th ...Более

Обзор 2024 Mühendislik Fakültesi Polymer Bulletin ( Published online: 27 March 2024 ) 23 Просмотры
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