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Academic Articles & Research Papers
Showing 20 of 12,051 academic articles
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
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
Aiguo SUN, Haitao LI, Xuezheng CHENG, Yi WANG et al. • Meikuang Anquan
(2024)
According to the engineering geological characteristics and production technology level of Qianyingzi Coal Mine, the stability control technology of surrounding rock of the cutting roof and pressure relief roadway is proposed. For the advan...
DOAJ
Open Access (DOAJ)
DOI: 10.13347/j.cnki.mkaq.20231069
Xiaoliang HAO, Shujuan DAI, Zhigang FANG, Jing GUO et al. • Medžiagotyra
(2021)
Lemon yellow is a kind of common food additive. Excessive use of food additives and metabolized free radicals in blood may bring potential harm to human health. In this study, we synthesized a kind of green luminescent fluorescent carbon do...
DOAJ
Open Access (DOAJ)
DOI: 10.5755/j02.ms.25052
Zhao Z.-Y., Zhao J.-X., Cui Y., Lu L. et al. • Journal of Mining and Metallurgy. Section B: Metallurgy
(2020)
The physicochemical properties of slag are of great importance in pyrometallurgy. If there is a volatile component in the slag, evaporation will inevitably occur. As a result, the slag composition will change, and the measured results will ...
DOAJ
Open Access (DOAJ)
DOI: 10.2298/JMMB190509046Z
Juliana Zottis, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha • Journal of Materials Research and Technology
(2018)
The purpose of this paper is to investigate the correlation of strain and hardness parameters in a drawing process chain of an SAE 1045 steel bar. The present work discusses the application of the experimental and numerical method of analys...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jmrt.2018.01.004
L. Gil, L. Jiménez, A. C. Castro, M. H. Staia et al. • Revista de Metalurgia
(2008)
La aleación de aluminio 7075-T6 es una aleación estructural ampliamente utilizada para aplicaciones aeronáuticas, debido a su alta relación entre resistencia mecánica y peso. Dependiendo de las condiciones ambientales, algunos mecanismos de...
DOAJ
Open Access (DOAJ)
DOI: 10.3989/revmetalm.2008.v44.i1.96
Manpreet Singh Nanda, Mandeep Kaur • National Journal of Physiology, Pharmacy and Pharmacology
(2021)
Background: There is a lack of coordination among various healthcare workers in a hospital which leads to an increase incidence of medical errors and patient sufferings. The various professionals in a hospital are not able to communicate ef...
DOAJ
Open Access (DOAJ)
DOI: 10.5455/njppp.2021.11.10280202020102020
Agostina Ronca, Sabrina Brenci, Luisa Santoriello, Anna Marchese et al. • Microbiologia Medica
(2007)
Background: Urinary tract infections (UTIs) are common infectious diseases that can be associated with substantial morbidity. During the last decade, resistance to ampicillin and co-trimoxazole has increased in Escherichia coli, the most co...
DOAJ
Open Access (DOAJ)
DOI: 10.4081/mm.2007.2603
Valeria Sorrenti, Cinzia Lucia Randazzo, Cinzia Caggia, Gabriele Ballistreri et al. • Frontiers in Microbiology
(2019)
The beneficial effects of pomegranate are due to the ellagitannins and anthocyanins content, which are protective toward a wide variety of diseases including inflammatory diseases. Many investigators have reported that pomegranate waste (pe...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmicb.2019.00660
Veronica Obregon-Perko, Amanda Mannino, Jason T. Ladner, Vida Hodara et al. • Frontiers in Cellular and Infection Microbiology
(2024)
While simian immunodeficiency virus (SIV) infection is non-pathogenic in naturally infected African nonhuman primate hosts, experimental or accidental infection in rhesus macaques often leads to AIDS. Baboons, widely distributed throughout ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fcimb.2024.1408245