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Guanwen Zhang and Dongnian Jiang
Rolling bearings are one of the most important and indispensable components of a mechanical system, and an accurate prediction of their remaining life is essential to ensuring the reliable operation of a mechanical system. In order to effectively utilize...
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Fengyun Xie, Gang Li, Hui Liu, Enguang Sun and Yang Wang
In the context of addressing the challenge posed by limited fault samples in agricultural machinery rolling bearings, especially when early fault characteristics are subtle, this study introduces a novel approach. The proposed multi-domain fault diagnosi...
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Xian Wen Sim, Sie Long Kek, Sy Yi Sim, Jiao Li
Pág. 150 - 161
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Qudratullah Soofizada, Antonio Pescatore, Simone Orlandini and Marco Napoli
The lower common wheat productivity and quality are major constraints in Afghanistan. The objectives of this study were to (1) quantify the effect of soil and climatic parameters on the yield and quality of common wheat and (2) investigate the response o...
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Dinh Nhat Quang, Nguyen Quang Duc Anh, Ho Sy Tam, Nguyen Xuan Tinh, Hitoshi Tanaka and Nguyen Trung Viet
Coastal erosion and accretion along the Quang Nam coast in Vietnam have been increasing in recent years, causing negative impacts on the inhabitants and local ecology. The Cua Lo estuary in Nui Thanh district has a complex hydrodynamic regime owing to it...
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Quang-Trung Nguyen, Truong-Giang Le, Philippe Bergonzo and Quang-Thuan Tran
This work describes a straightforward method using one-step preparation of graphene/nickel nanocomposite materials from low-cost materials including graphene oxide and nickel metal. Repetitive CVs lead to the simultaneous deposition of metallic nickel na...
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Tong Sy Tien, Nguyen Thi Minh Thuy, Vu Thi Kim Lien, Nguyen Thi Ngoc Anh, Do Ng?c Bich, Le Quang Thanh
Pág. 73 - 80
This study aims to calculate the anharmonic thermal expansion (TE) coefficient of metal crystals in the temperature dependence. The calculation model is derived from the anharmonic correlated Debye (ACD) model that is developed using the many-body pertur...
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Gregorio Landi and Giovanni E. Landi
A very simple Gaussian model is used to illustrate an interesting fitting result: a linear growth of the resolution with the number N of detecting layers. This rule is well beyond the well-known rule proportional to ??--v
N
for the resolution of the usu...
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J D P Bothma, W Nel, R C Fouché
Pág. 115
Bitcoin is ?n populêre digitale geldeenheid met ?n markaandeel van ongeveer 40% en ?n markkapitalisasie van R5.4 biljoen gemeet in November 2022 (CoinMarketCap, 2022). Bitcoin rus op drie pilare: die blokskakeldatastruktuur, ?n eweknienetwerk (?P2P?) en ...
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T Nel, C G C E van Sittert
Pág. 129
Fossielbrandstowwe se nadelige invloed, en die beperktheid daarvan, het groot belangstelling in die ontwikkeling en gebruik van volhoubare energiebronne teweeggebring (Nel et al. 2020). Verskeie alternatiewe energiebronne is tot dusver geïdentifiseer (Kr...
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