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Academic Articles & Research Papers
Showing 20 of 23,220 academic articles
Elena Leonidovna Andreeva, Hermann Simon, Dmitry Andreyevich Karkh, Pavel Leonidovich Glukhikh • Экономика региона
(2016)
This article presents the findings of the study on the role of innovative entrepreneurship in the regional economy. The analysis is based on the methodology developed by Hermann Simon, a German scientist who has coined the term ”hidden cham...
DOAJ
Open Access (DOAJ)
DOI: 10.17059/2016-3-24
I. Z. Ismagilov, E. V. Matus, V. V. Kuznetsov, M. A. Kerzhentsev et al. • Eurasian Chemico-Technological Journal
(2016)
Using XPS, BET, XRD, TG-DTA, HRTEM-EDX, TPR and UV-Vis Diffuse Reflectance spectroscopic methods the electronic, redox and structural properties of Mn-Na-W/SiO2 catalysts prepared by the incipient wetness impregnation method and mixture slu...
DOAJ
Open Access (DOAJ)
DOI: 10.18321/ectj430
Fatma H. El-Didi, Marwa M. Essawy, Sagy L. Asar, Sahar M. El-Sheikh et al. • Alexandria Dental Journal
(2019)
INTRODUCTION: Oral squamous cell carcinoma (OSCC) is the sixth most common cancer worldwide with high mortality rate. Conventional treatment strategies have improved but remain far from optimal. Cancer research is focused on improving cance...
DOAJ
Open Access (DOAJ)
DOI: 10.21608/adjalexu.2019.57569
Zahra Abdelmalek, M. Zubair Akbar Qureshi, S. Bilal, Qadeer Raza et al. • Case Studies in Thermal Engineering
(2021)
The consolidation power of different nanomaterials such as metallic nanoparticles and metallic-oxides nanoparticles in a new-fangled and energetic hybrid material should give rise to fascinating properties that combine the advantages of eac...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.csite.2020.100744
B. Raghavendra Babu, R. Sasikumar, K. Visagavel, R. Baskar • Next Nanotechnology
(2026)
Hybrid energy storage devices that bridge the gap between batteries and supercapacitors are critical for next-generation portable and high-power applications. In this work, a lab-scale coin cell asymmetric supercapattery device is fabricate...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nxnano.2026.100892
Pranita Rananaware, H. Swetha, Varsha Brahmkhatri • Next Nanotechnology
(2025)
Gold nanoparticles (AuNPs) are widely used in various scientific and technological domains, particularly biomedicine due to their superior biocompatibility. This study focuses on the synthesis of biogenic gold nanoparticles (B-Au) and chemo...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nxnano.2025.100305
Miguel González-Lozano, José Alberto Cano-Buendía • Veterinary World
(2025)
Background and Aim: Chitosan-based DNA nanoparticles have emerged as a promising next-generation platform for veterinary vaccines, addressing several limitations of conventional attenuated, inactivated, and recombinant formulations. Chitosa...
DOAJ
Open Access (DOAJ)
DOI: 10.14202/vetworld.2025.3826-3838
Biao Deng, Bozhi Wang, Shijun Su, Sanglan Ding et al. • Metals
(2017)
Pyrolusite leaching slag is a Fe-containing slag generated from pyrolusite leaching process with SO2. Recovery of iron from the slag not only has economic benefit, but also prevents the secondary pollution to the environment. A novel lab-sc...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met8010008
Maribel Hernández, Ricardo R. Ambriz, Christian García, David Jaramillo • Metals
(2020)
The gas metal arc welding (GMAW) process was used to weld 3003-H14 plates under restricted and unrestricted thermal expansion. Experimental and numerical analysis were conducted to determine the relation between weld thermal cycles and resi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met10060708
L. Paliu-Popa • Metalurgija
(2016)
Given that the modern world cannot be conceived without the existence of the steel and its use, the crude steel consumption may be considered as an indicator characterizing the economic development of a country. The purpose of this paper is...
DOAJ
Open Access (DOAJ)
M.A. Bajaber, I.Y. Hakeem • Journal of Materials Research and Technology
(2021)
An advanced development in construction industry was achieved by applying ultra-high-performance concrete technology (UHPC). Intensive research efforts had been concentrated in construction to produced amazing levels of qualities with stren...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jmrt.2020.12.051
Chang Gu, Ruizhuo Liu, Chengduo Wang, Yufu Sun et al. • Metals
(2020)
The ZG40Cr20Ni20Alx (x = 0, 1.76, 3.45, and 5.34) heat-resistant steel has been newly developed on the basis of HK40 steel for aggressive oxidizing environments. The results reveal that the Al greatly enhances the oxidation resistance of ZG...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met10020176
Ramzi A. Abd Alsaheb, Mohammed A. Atyia, Jaafar Kamil Abdullah, Azza Hashim Abbas • Al-Khawarizmi Engineering Journal
(2023)
Succinic acid is an essential base ingredient for manufacturing various industrial chemicals. Succinic acid has been acknowledged as one of the most significant bio based building block chemicals. Rapid demand for succinic acid has been not...
DOAJ
Open Access (DOAJ)
DOI: 10.22153/kej.2023.01.002
Kazuhei AOYAGI, Eiichi ISHII, Tsuyoshi ISHIDA • Journal of MMIJ
(2017)
In the construction of a deep underground facility, the hydromechanical properties of the rock mass around an underground opening are changed significantly due to stress redistribution. This zone is called an excavation damaged zone (EDZ). ...
DOAJ
Open Access (DOAJ)
DOI: 10.2473/journalofmmij.133.25
WANG Zhe-chao 1, 2, ZONG Zhi 1, QIAO Li-ping 1, 2, LI Wei1, LIU Jie 1 • Yantu gongcheng xuebao
(2018)
The bedded carbonaceous slate exhibits transversely isotropic creep properties. The creep behaviors of carbonaceous slate are studied using the triaxial compressive creep tests on horizontal bedding specimens and vertical bedding specimens....
DOAJ
Open Access (DOAJ)
DOI: 10.11779/CJGE201807008
Hang Lei, Wenjibin Sun, Yujun Zuo, Zhonghu Wu et al. • Scientific Reports
(2025)
Abstract The micromechanical properties of organic matter (OM) and organic pore structures in the over-mature stage are crucial for determining shale reservoir quality and assessing shale gas resource potential. However, there is still deba...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-025-89164-0
B. Oleksiak, M. Kozioł, J. Wieczorek, M. Krupa et al. • Metalurgija
(2015)
In the present paper, results of the research on application of residual fine-grained, carbon-bearing materials as coke substitutes in the shaft process of copper matter smelting are discussed. The addition was introduced into the charge as...
DOAJ
Open Access (DOAJ)
Qizhi Xie, Song Cui, Peilin Cheng, Qiang Liu • IEEE Access
(2023)
The inchworm in-pipe robot has the advantages of stable support, low walking resistance, and high flexibility. However, the gait motion of in-pipe robots relies on the precise coordination of three motors, which greatly increases the comple...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2023.3327269
Chao Wang, Xiaoyi Chen, Jiandong Zhang, Yongping Wu • Advances in Civil Engineering
(2020)
This paper is aimed at the inverted arch support instability of track roadway with mining level +1100 m in Liuyuanzi Coal Mine. By means of field investigation, theoretical analysis, numerical calculation, and engineering practice, the inst...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2020/8814365
Wenjie Tong, Wanming Li, Ximin Zang, Huabing Li et al. • Metals
(2020)
A comprehensive mathematical model of electroslag remelting with two series-connected electrodes (TSCE-ESR) was constructed based on sequential coupling method. The influence of droplet effect on electroslag remelting process (ESR) was cons...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/met10050658