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Dynamic simulation of a 4th generation district heating network with the presence of prosumers

T. Testasecca, P. Catrini, M. Beccali, A. Piacentino • Energy Conversion and Management: X (2023)

District Heating Network is identified as a promising technology for decarbonizing urban areas. Thanks to the surplus of heat available from distributed renewable energy plants, a typical heat consumer of the network could become an energy ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ecmx.2023.100480

The Investigation of Impact of Complement Policy for Energy Price Policy Reform on Transport Sector in Iran by Computable General Equilibrium

Roholla Mahdavi • Pizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān (2014)

With regard to the ever-increasing need for energy in current societies to satisfy various requirements, scientists and researchers from different countries, such as Iran, have a basic approach in their agenda to achieve renewable energies،...

DOAJ Open Access (DOAJ)

Research on a Comprehensive Performance Analysis Method for Building-Integrated Photovoltaics Considering Global Climate Change

Ran Wang, Caibo Tang, Yuge Ma, Shilei Lu et al. • Buildings (2025)

Building-integrated photovoltaics (BIPVs) represent a pivotal technology for enhancing the utilization of renewable energy in buildings. However, challenges persist, including the lack of integrated design models, limited analytical dimensi...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings15244463

Structure and Spatial Distribution of Ge Nanocrystals Subjected to Fast Neutron Irradiation

Alexander N. Ionov, Tiecheng Lu, Yossi Gofer, Judith Grinblat et al. • Nanomaterials and Nanotechnology (2011)

The influence of fast neutron irradiation on the structure and spatial distribution of Ge nanocrystals (NC) embedded in an amorphous SiO2 matrix has been studied. The investigation was conducted by means of laser Raman Scattering (RS), High...

DOAJ Open Access (DOAJ) DOI: http://dx.doi.org/10.5772/50951

<i>In-House</i> Innovative “Diamond Shaped” 3D Printed Microfluidic Devices for Lysozyme-Loaded Liposomes

Federica Sommonte, Edward Weaver, Essyrose Mathew, Nunzio Denora et al. • Pharmaceutics (2022)

Nanotechnology applications have emerged as one of the most actively researched areas in recent years. As a result, substantial study into nanoparticulate lipidic systems and liposomes (LPs) has been conducted. Regardless of the advantages,...

DOAJ Open Access (DOAJ) DOI: 10.3390/pharmaceutics14112484

Photocatalytic degradation using Bi-doped SnS Quantum dots and phytotoxicity evaluation of treated effluents through seed germination

Govindhasamy Murugadoss, Nachimuthu Venkatesh, Pandurengan Sakthivel, Govindhan Thiruppathi et al. • Chemical Physics Impact (2025)

Quantum dots (QDs) are employed in photocatalytic applications because of their distinctive optical characteristics, such as high absorption coefficients and tunable bandgaps, enabling efficient visible light absorption and charge carrier g...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.chphi.2025.100944

GROWTH AND YIELD RESPONSES OF SOYBEAN (Glycine max L.) TO ZINC OXIDE (ZnO) NANOPARTICLES FOLIAR APPLICATION

Fayomi Omotola Michael, Olasan Joseph Olalekan, Aguoru Celestine Uzoma, Terhemba Mamnenge Sarah • Biotechnologia Acta (2024)

Aim. This study was purposed to investigate the effects of zinc oxide nanoparticles (ZnO NPs) on the growth and yield performance of two soybean (Glycine max L.) varieties, TGX1904-6F and TGX1951-3F, under controlled experimental conditions...

DOAJ Open Access (DOAJ) DOI: 10.15407/biotech17.06.056

Electrospinning: A Powerful Tool to Improve the Corrosion Resistance of Metallic Surfaces Using Nanofibrous Coatings

Pedro J. Rivero, Deyo Maeztu Redin, Rafael J. Rodríguez • Metals (2020)

The use of surface engineering techniques to tune-up the composition of nanostructured thin-films for developing functional coatings with advanced properties is a hot topic within the scientific community. The control of the coating structu...

DOAJ Open Access (DOAJ) DOI: 10.3390/met10030350

Effect of Solid/Liquid and Eutectic Front Velocities on Microstructure Evolution in Al-20%Cu Alloys

Alaaldeen Abdallah, András Roósz, Arnold Rónaföldi, Zsolt Veres • Crystals (2024)

During the solidification process, microstructures are affected by the experimental conditions, the thermophysical characteristics of the alloy, and the type of grain-refining particles. Unidirectional solidification experiments were perfor...

DOAJ Open Access (DOAJ) DOI: 10.3390/cryst14070638

Phase formations and microstructures of Ti20Zr15Hf15Ni35Cu15 high-entropy shape memory alloy under different aging conditions

Yen-Ting Chang, Ming-Hao Lee, Ming-Wen Chu, Chih-Hsuan Chen • Materials Today Advances (2022)

The microstructures and phase formations of Ti20Zr15Hf15Ni35Cu15 high entropy shape memory alloy (HESMA) under different aging conditions were investigated in this study. At aging temperatures below 500 °C, a large amount of the H-phase for...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.mtadv.2022.100223

The microwave-absorption properties and mechanism of phenyl silicone rubber/CIPs/graphene composites after thermal-aging in an elevated temperature

Xiao Yan, Jianhua Guo, Xinghua Jiang • Scientific Reports (2022)

Abstract Recently, the application and development of flexible microwave-absorption composites based on silicone rubber have gradually become a research hot spot. In this study, methyl vinyl phenyl silicone rubber (MPVQ)/carbonyl iron parti...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-022-08415-6

Fabrication and Properties of Iron-based Soft Magnetic Composites Coated with NiZnFe<sub>2</sub>O<sub>4</sub>

WU Shen, FAN Jiang-lei, LIU Jian-xiu, GAO Hong-xia et al. • Cailiao gongcheng (2017)

This paper focuses on iron-based soft magnetic composites which were synthesized by utilizing the sol-gel method prepared Ni-Zn ferrite particles as insulating compound to coat iron powder, and the influence of NiZnFe2O4 content and molding...

DOAJ Open Access (DOAJ) DOI: 10.11868/j.issn.1001-4381.2016.001428

Achieving high strength in 430 stainless steel by laser powder bed fusion: microstructure-property relationships and strengthening strategies

Junchen Li, Qiushuang Wang, Swee Leong Sing, Congwei Wang et al. • Virtual and Physical Prototyping (2026)

Conventional manufacturing of 430 ferritic stainless steel faces significant challenges, including severe work hardening, rapid tool wear, and limited strengthening via heat treatment. To overcome these limitations, this study employs laser...

DOAJ Open Access (DOAJ) DOI: 10.1080/17452759.2026.2631285

Evolution of the Shadow Effect with Film Thickness and Substrate Conductivity on a Hemispherical Workpiece during Magnetron Sputtering

Huaiyuan Liu, Donglin Ma, Yantao Li, Lina You et al. • Metals (2023)

When depositing films on a complex workpiece surface by magnetron sputtering, the shadow effect occurs and causes the columnar structure to tilt toward the substrate owing to the oblique incident angle of the plasma flux, affecting the micr...

DOAJ Open Access (DOAJ) DOI: 10.3390/met13010165

Manufacturing of Hierarchical (Nano-)Composite Structures: Numerical and Experimental Perspectives

Hatim Alotaibi, Constantinos Soutis, Masoud Jabbari • Applied Sciences (2026)

Thermoset polymer nanocomposites have considerable potential to improve the functionality and optimise the performance of composite structures. Such a nanocomposite generally consists of a modified polymer matrix (continuous phase) containi...

DOAJ Open Access (DOAJ) DOI: 10.3390/app162010379

Different sex ratios of children born to Indian and Pakistani immigrants in Norway

Brekke Torkel, Pripp Are, Singh Narpinder, Stray-Pedersen Babill • BMC Pregnancy and Childbirth (2010)

Abstract Background A low female-to-male ratio has been observed in different Asian countries, but this phenomenon has not been well studied among immigrants living in Western societies. In this study, we investigated whether a low female-t...

DOAJ Open Access (DOAJ) DOI: 10.1186/1471-2393-10-40

The relationship between perceived stress and depression in colorectal cancer patients: the mediating role of illness perception and the moderating role of self-efficacy

Fuzhuo Wang, Jiashuang Xu, Hong Sun, Xiuli Wang et al. • Frontiers in Oncology (2026)

BackgroundNumerous studies have demonstrated a close association between perceived stress and depression in colorectal cancer patients; however, the underlying mechanisms remain incompletely understood. This study aims to investigate the im...

DOAJ Open Access (DOAJ) DOI: 10.3389/fonc.2026.1746202