Materials Literature
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Bu çalışmada, Şubat 2018-Kasım 2018 tarihleri arasında Tahtalı, Davuldere ve Çayırköy Göletlerinin (Kocaeli) fitoplankton kompozisyonları ve bazı su kalitesi parametreleri belirlenmiştir. Alglerin, baskınlık, sıklık ve çeşitlilik indeksleri (Shannon-Weaver, Simpson, Pielou ve Margalef indeks) tespit edilmiştir. Göletl…
Korosi dapat didefenisikan secara umum sebagai pengrusakan bahan oleh lingkungannya. Struktur beton bertulang akan mengalami kerusakan akibat serangan korosi, apabila tidak ditangani akan membutuhkan biaya yang relative mahal untuk memperbaikinya. Korosi pada baja tulangan harus ditangani secara khusus. Oleh sebab itu…
Enhancing electromagnetic interference (EMI) shielding effectiveness (SE) of polymer nanocomposites (PNCs) relies on modification of carbon nanotube (CNT) distributions achieved by controlling fabrication parameters. However, establishing correlations between fabrication parameters, CNT distributions, and SE propertie…
Production of energy by sustainable sources is increasing the significant attention of researchers because of cognizance of decreasing air pollution, emissions of carbon dioxide and less reliance on fossil-based powers. Numerous research works have been carried out in improving the efficiency of thermal storage plants…
Вступ. Сучасна тенденція розвитку машинобудування характеризується зростаючими вимогами до \nякості використовуваної металопродукції. Підвищити якість останньої неможливо без вдосконалення \nтехнологій з плавлення та лиття металевих сплавів. \nПроблематика. Відомо, що металопродукція, виготовлена з литих заготовок із…
With the rapid development of thermoplastic composites, traditional sizing agents are no longer able to meet the requirements as its incompatibility with thermoplastic matrices and low heat resistance. In light of this, it is fairly significant to master the technologies of sizing agents suitable for high performance…
In order to achieve optimal flow velocity in stationary flow condition in pressurized pipe systems, it is necessary to determine an optimal value of pipe diameter. It should be noted that even for a simple pipe network with pipes connected in only few numbers of loops, the determination of the optimal pipe diameter is…
Abstract For the field of virology, perhaps one of the most paradigm‐shifting events so far in the 21st century was the identification of the giant double‐stranded DNA virus that infects amoebae. Remarkably, this virus, known as Mimivirus, has a genome that encodes for nearly 1,000 proteins, some of which are involved…
It was found that Microwave (MW) assisted wood preservative (WP) treatments effects further lowering swelling and water absortion values for selected hardwoods and softwood species in this study. It is clear that the post MW treated woods effects further reaction or bonding to hydroxyl group (–C-OH) of cell wall const…
The transverse compression property is one of most important aspects of the mechanical performance of a sandwich structure with a soft core. An experiment, analytical method and three digital strain measurement systems were applied to investigate the compression behavior and the failure mechanism for a wood-based sand…
In this study, rapid debinding of alumina molded bodies was carried out using superheated steam at 1 kg / h to 5 kg / h. The superheated steam treatment was performed with a temperature increase of 10 °C / min to a holding temperature range of 600 °C to 800 °C. For the alumina molded body, the carbon removal rate incr…
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S = 1/2 kagome-lattice hydroxychlorides are promising candidates for realizing the elusive quantum spin liquid (QSL) state. Herbertsmithite [Cu 3 Zn(OH) 6 Cl 2 ], a naturally occurring hydroxychloride mineral from the class of atacamites {[Cu 4– x M x (OH) 6 X 2 ] where M = Zn, Cu, Co, Ni and X = Cl, Br, I}, is one of…
Purpose To generate dynamic, volumetric maps of hyperpolarized [1‐13C]pyruvate and its metabolic products in vivo. Methods Maps of chemical species were generated with iterative least squares (IDEAL) reconstruction from multiecho echo‐planar imaging (EPI) of phantoms of thermally polarized 13C‐labeled chemicals and mi…
Panchromatic molecules, e. g. organic small molecules with wide absorption spectra, are very desirable for solar energy-related applications. Here, we report the development of a series of organoboron compounds composed of an organoboron core unit, two π-bridging units and two electron-withdrawing end-capping units. A…
The use of renewable local raw materials to produce fuels is an important step toward optimal environmentally friendly energy consumption. In addition, the use of these sources together with fossil fuels paves the way to an easier transition from fossil to renewable fuels. The use of simple organic acids as hydrogen d…
This work reports the behavior of annealed commercially pure cold-drawn thin iron wires. Primary recrystallization is complete after holding for 180 s at 1123 K. After recrystallization, grain growth takes place within the central region but not close to the surface. For annealing times up to 14400 s, the grain size d…
In the ongoing pandemic outbreak of the coronavirus disease 2019 caused by Severe Acute Respiratory Syndrome Coronavirus 2, rapid research promoting irradiation strategies to approved therapeutics and authorized immunity-boosting options for eradication of the novel coronavirus is still at a primary stage. Based on th…
Kil mineralleri, pek çok endüstriyel uygulamada çok eski çağlardan beri kullanılan doğal nano-maddelerdir. Bu mineralleri, adsorban veya katalizör olarak daha kullanışlı hale getirmek için uygulanan işlemlerden biri de hidroksi metal katyonlar ile sütunlamadır. Bu işlem ile tabakalı yapıların gözenek boyutu değiştiril…
The objective of a root canal therapy is to remove the infected pulpal tissue and fill the enlarged canal spaces in such a way that a 3-D hermetic seal is obtained. For the obturation of the root canal space, an obturating core and a sealer are used. The sealer must be as biocompatible as possible with low cytotoxicit…