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Application of the Z-Information-Based Scenarios for Energy Transition Policy Development
(MDPI AG, 2025-03-14)
Mahammad Nuriyev
;
Aziz Nuriyev
;
Jeyhun Mammadov
The development of an energy transition policy that ensures a rational combination of the requirements of sustainable development and the country’s priorities is a key factor determining the success of its development. The complexity and importance of this task increase in the case of countries in which oil and natural gas export revenues play a key role in the formation of the budget and development of the country. In this paper, the solution to this problem is studied using the example of Azerbaijan. Considering that the task requires addressing the uncertainty and limitations of available information and statistical data, we used an approach based on the use of fuzzy scenarios and expert information. Scenarios have been described using linguistic variables and the formalism of Z-numbers. Z-numbers allow us to simultaneously formalize uncertainty and reliability in the information. Solving the problem involves integrating approximate methods of Z-reasoning and multi-criteria decision-making. This approach considers economic, social, environmental, and technological criteria and allows for the generation, analysis, and evaluation of transition scenarios. The results obtained demonstrate the effectiveness of the proposed methodology for constructing energy transition scenarios for countries producing and exporting oil and gas. The solution suggests a moderate increase in natural gas and hydropower production, along with a significant rise in solar and wind energy production. The results highlight the effectiveness of a rational combination of traditional and renewable energy sources during the transition period. The rule base developed in this article can be adapted to account for the priorities and constraints of a specific oil- and gas-producing and -exporting country, and the fuzzy scenarios approach can be successfully applied to address the transition challenge.
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Enhanced piezoelectric performance of multilayered piezoelectric nanogenerator based on the PVDF/PZT/graphene Electrospun for IoT-based remote monitoring
(Elsevier BV, 2025-10-15)
Ertuğrul Karakulak
;
Levent Paralı
;
Muhterem Koç
;
Farida Tatardar
;
Ali Sarı
;
Ersoy Mevsim
;
Valida Fataliyeva
This research focused on improving the performance of piezoelectric nanogenerators by utilizing a piezoelectric nanogenerator (PNG) design that combines stacked piezoelectric electrospun nanofibers with conductive layers placed between them. A polyvinylidene fluoride (PVDF)/lead zirconate titanate (PZT)/unmodified graphene nanoplatelet (GNP) based multilayered structure (MLS) was produced as a parallel connection using a layer-bylayer assembly technique. At a vibrational frequency of 20 Hz, under a resistance load of 50 kΩ, the four-layered PNG reached an open-circuit voltage of 0.18 V(VRMS), a maximum electrical power of 0.166 µW (PRMS) by drawing a current of 1.82 µA (IRMS). The four-layered PNG, which exhibits high capacitance and low impedance characteristics, has increased the full charging voltage (3.96 V) to 80% compared to a single-layered PNG (2.2 V). Furthermore, the electrical power obtained from the four-layered PNG was approximately 4.38 times higher than the single-layered one. The resulting multilayered PNG (M-PNG) can be utilized effectively in self-powered wireless e-health systems for detecting human movement.
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Tea, Coffee and Cocoa - A Cultural Phenomenon in Azerbaijan
(Khazar University Press, 2023-11)
Hamlet Isaxanli
Tea, coffee, and cocoa are all popular beverages in Azerbaijan, and each has its own unique cultural significance. Tea is the most popular beverage in Azerbaijan and is often consumed throughout the day. It is also a common accompaniment to meals and social gatherings. Coffee is also popular in Azerbaijan but is more typically consumed as a morning beverage. Cocoa is less popular than tea or coffee but is still enjoyed by many Azerbaijanis. This article will explore the cultural significance of tea, coffee, and cocoa in Azerbaijan. It will discuss the history of each beverage in this country, as well as different ways in which they are served, consumed and enjoyed. The article will also examine the role that these beverages play in Azerbaijani society and culture. The article will conclude by discussing the importance of tea, coffee, and cocoa to Azerbaijani culture. It will argue that these beverages are more than just drinks; they are also important symbols of Azerbaijani hospitality, friendship, and community.
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′Symbols′ as Expression Tools of Islam and Their Usage Methods in Palace Architecture
(Khazar University Press, 2024-03)
Bora Bingöl
;
Namiq Abbasov
;
Shahla Abbasova
Islamic architecture consists of religion, politics, philosophy, and aesthetics. The religious expression of symbols in Islamic architecture is also extremely important in architecture. These religious symbols, which are used in palace buildings and generally in administrative places in the Islamic world, are shaped depending on the function of the buildings. In this period, the palace complexes were considered to be the most important structures representing state politics and economy. In this study, the purposes and methods of use of religious symbols used in many palace complexes of Islamic architecture were investigated. While investigating the main source and usage rules of these symbols in palace architecture, the Quran, which is the foundation of Islam, was examined and the dependence of these symbols on numbers was tried to be revealed with examples.
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The Reinvigoration of the Organization of Turkic States amid Ongoing Geopolitical Unrest and Economic Uncertainty
(Khazar University Press, 2024-09)
Vusal Guliyev
The recent regional events and the geopolitical consequences of the RussoUkrainian war have had a profound impact on the dynamics among Türkiye, Azerbaijan, and the Central Asian Turkic states (Kazakhstan, Uzbekistan, and Kyrgyzstan). This shifting geopolitical landscape has been the catalyst of collaboration and integration for these countries under the Organization of Turkic States (OTS), an intergovernmental organization that aims to foster cooperation among Turkic-speaking nations. Being established in 2009, this emerging bloc has pursued a relatively low-profile policy on geopolitical issues in the past decade. However, after years of relatively little activity, things have started to change drastically due to the global situation that is being shaped by wider geopolitical factors. The OTS steadily began to pursue a more ambitious agenda and eventually helped bolster relations and stimulate regional socio-economic development efforts during the last four years, focusing on building stronger regional cooperation through ethnocultural links. The article examines how the Turkic alliance has stimulated functional cooperation through the facilitation of trade, investment, and economic cooperation among its members and observer states.