Results 11 to 20 of about 126,031 (218)

Effect of Alloying Additives and Microadditives on Hardenability Increase Caused by Action of Boron

Metals, 2021
The presented work was aimed at evaluating influence of boron on hardenability of steel quantitatively and evaluating this effect during complex use of boron with other alloying additives like chromium, vanadium and titanium.
Beata Białobrzeska
doaj   +1 more source

Influence of stone content on face stability for tunnels in sandy cobble strata

Frontiers in Earth Science, 2023
As a result of the complex geological conditions of sand-cobble stratum, various types of problems may arise during construction of tunnels crossing sand-cobble stratum, the most prominent of which is the stability problem of the face.
Haifang Xue, Haifang Xue, Haoteng Wang, Lingyun Li, Lingyun Li, Xiaoqin Gong, Xiaoqin Gong, Ying Zhao, Jianbin Zhao, Yonghao Zhang   +9 more
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Comparative evaluation of cell types for endothelialization in cardiovascular tissue engineering [PDF]

Iranian Journal of Basic Medical Sciences
Tissue engineering represents a promising approach to overcome the limitations of current vascular grafts by promoting endothelialization. However, the successful fabrication of small-diameter (
Mohamed Elkawafi, Sufyan Elhashani, Atya Kushan, Abdulla Elmansoury, Siraj Alabeedi, Mahmoud Aloriby   +5 more
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MgB2 Josephson junctions produced by focused helium ion beam irradiation

AIP Advances, 2018
Planar magnesium diboride Josephson junctions are fabricated using focused helium ion beam irradiation. A single track of ion irradiation with a 30 kV He+ beam with nominal beam diameter < 0.5 nm is used to create a normal-metal barrier on a MgB2 film ...
L. Kasaei, T. Melbourne, V. Manichev, L. C. Feldman, T. Gustafsson, Ke Chen, X. X. Xi, B. A. Davidson   +7 more
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Investigating the Role of Surface Properties on the Ground Effect: An Experimental Study with a Small Propeller [PDF]

Journal of Applied Fluid Mechanics
Safe and efficient multirotor UAV operation during takeoff and landing is critically challenged by the ground effect, a phenomenon whose complexity is compounded in non-ideal environments.
M. Haji Jafari, A. Vali Mohammad, M. H. Rezaei   +2 more
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Analyzing the Performance of Double Spiral Tube Ground Heat Exchangers in a Zero-Energy Building Using Measurement Data

Energies, 2023
A ground-source heat pump (GSHP) system is a renewable energy technology that effectively reduces greenhouse gas emissions and consequently mitigates the progression of global warming. The thermal efficiency of ground heat exchangers (GHEs) is a critical
Kunning Yang, Takao Katsura, Shigeyuki Nagasaka, Katsunori Nagano   +3 more
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Symmetry: modeling the effects of masking noise, axial cueing and salience. [PDF]

PLoS ONE, 2010
Symmetry detection is an interesting probe of pattern processing because it requires the matching of novel patterns without the benefit of prior recognition.
Chien-Chung Chen, Christopher W Tyler
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Three-Dimensional Thermal Tomography with Physics-Informed Neural Networks

Tomography
Background: Accurate reconstruction of internal temperature fields from surface temperature data is critical for applications such as non-invasive thermal imaging, particularly in scenarios involving small temperature gradients, like those in the human ...
Theodoros Leontiou, Anna Frixou, Marios Charalambides, Efstathios Stiliaris, Costas N. Papanicolas, Sofia Nikolaidou, Antonis Papadakis   +6 more
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Investigation of the Mechanical Characteristics of Linear Rolling Guides Considering Multiple Errors

Lubricants
Existing research on the linear rolling guide has predominantly focused on performance under ideal conditions or isolated error types, while systematic studies concerning multi-error coupling mechanisms and their impact on internal contact parameters ...
Cheng Huang, Wentao Zhou, Wanli Liu, Yupeng Yi, Lei Shi, Rulin Xiong, Xiaobing Li, Xing Du   +7 more
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Defining the critical oocyte diameter range for optimizing spawning success in Black seabream, Acanthopagrus berda: An integrated approach

Aquaculture Reports
Accurate assessment of oocyte maturation is essential for improving induced breeding efficiency in sparids. This study evaluated critical oocyte diameter for induced spawning in Acanthopagrus berda using ovarian biopsy, histology, and ultrastructural ...
Suresh Babu Padinhate Purayil, Mini Kalapurakkal Gopalan, Tanveer Hussain, Mahendra Pal, Praveen Narayan Dube, Abhijith Vinod, Ajin Kavanamattathil Palliyan, Grinson George Padinjakara   +7 more
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