How Do the Exchange Rates Affect the Sector Indices?  A Dynamic Panel Data Analysis for Borsa Istanbul

Yılmaz, Hande Aksöz; Güzel, Fatih

doi:10.26650/istjecon2021-970320

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…The compatibility and quality of the materials used directly affect the final product; therefore, they must be selected and applied correctly. In the hydration reaction between cement and water, cement particles partially dissolve, and the released components form a gel-like structure with an exothermic reaction at varying rates and speeds [4,5].This gelatinous structure, known as cement paste, surrounds the aggregates and binds them together, thereby initiating the hardening process and determining the strength of the structure [6,7].…”

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confidence: 99%

Investigation of the use of cobalt and nickel based nanoalloys as cement mortar additives

Karaduman,

Pişkin

2024

Mater. Res. Express

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The usage potential of chemical and green synthesized cobalt (Co) and nickel (Ni) nanoalloys (CoNiNAs) as mortar additives at different ratios was evaluated. The CoCl2 and NiCl2 metallic salt solutions were mixed in volume ratios of 1-1, 1-2, and 2-1 and reduced with NaBH4 and St. John's Wort aqueous extract, respectively. The obtained Co-Ni based complex nanoalloys were analyzed by Ultraviolet-Visible Spectroscopy (UV-Vis), X-Ray Diffraction Analysis (XRD), Field Emission Scanning Electron Microscopy (FE-SEM), Fourier Transform Infrared Spectroscopy (FT-IR), and Dynamic Light Scattering Particle Size Analyzer (DLS). The effect of CoNiNAs was investigated based on the amount used in mortar, flexural and compressive strengths of mortar, setting time retarder properties, and carbonation depth measurements of mortars and nanoalloy form based on whether they were solid (chemical synthesise) or liquid (green synthesise). The results revealed that the chemical synthesized CoNiNAs were amorphous metal-metal-oxide complexes with small spherical particles and a low dispersity index, whereas the green synthesized complexes had a more crystalline structure and smaller sizes. The mortar properties were affected by Co and Ni synthesis ratios and addition amounts. The incorporation of CoNiNAs led to an increase in the setting times of mortar. Furthermore, the ‘CN’ 2% sample exhibited the highest compression (49.10±1.19 MPa) and flexural (8.19±0.20 MPa) strengths. In addition, the ‘CN2’ 1% sample exhibited the lowest carbonation depth (2.95±0.35 mm) compared to other samples. Overall, mortars with CoNiNAs additives may be used in high temperature environments, and long shipment times require remote locations due to setting time retarder effect without losing necessary physical properties.

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Section: Introductionmentioning

confidence: 99%

Investigation of the use of cobalt and nickel based nanoalloys as cement mortar additives

Karaduman,

Pişkin

2024

Mater. Res. Express

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Seçilmiş Makroekonomik Değişkenler ve Beklenti Endekslerinin BİST 100 Endeksi Üzerine Etkisi

2022

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In this study, the macroeconomic factors and expectation indices affecting the BIST 100 index have been examined. The optimum Autoregressive Distributed Lag (ARDL) model has been created by utilising the Python programming language (Python) using the ARDL method. As a result of the analysis, it has been determined that long-term variables such as United States dollar Turkish lira parity (USD/TRY), Economic Confidence Index (EGE), and Consumer Price Index (TÜFE) are correlated in the positive direction with the dependent variable BIST 100 index and in the negative direction with the 5-Year Bond Interest (FAİZ) and Volatility Index (VIX) variables. In contrast, Brent petrol United States dollar parity (BRENT) is not statistically significant.

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How Do the Exchange Rates Affect the Sector Indices? A Dynamic Panel Data Analysis for Borsa Istanbul

Abstract: How do the exchange rates affect the sector indices? A dynamic panel data analysis for Borsa Istanbul.

Cited by 2 publications

References 16 publications

Investigation of the use of cobalt and nickel based nanoalloys as cement mortar additives

Investigation of the use of cobalt and nickel based nanoalloys as cement mortar additives

Seçilmiş Makroekonomik Değişkenler ve Beklenti Endekslerinin BİST 100 Endeksi Üzerine Etkisi

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