Results 21 to 30 of about 483,733 (269)
An experimental study of the corrosion Process of metals in virtue of crude oils and the characteristics [PDF]
Crude oils are dominant earth resources since composed with large number of hydrocarbons and some of trace compounds especially with corrosive compounds such as sulfur compounds, naphthenic acids and salts. In the current research the major scope was the
Suresh Aluvihara, Jagath K. Premachandra
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The production of tomato under low-temperature stress in the open fields is a challenge faced by many farmers. The current study compares the use of different ethylene treatments to accelerate the fruit ripening of tomato during two successive seasons ...
Yousry Bayoumi +5 more
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Analysis of positive solutions for classes of quasilinear singular problems on exterior domains
We consider the ...
Chhetri Maya +2 more
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Modifications of the mu+ lifetime in matter due to muonium (M = mu+ e-) formation and other medium effects are examined. Muonium and free mu+ decay spectra are found to differ at O(alpha m_e/m_mu) from Doppler broadening and O(alpha^2 m_e/m_mu) from the Coulomb bound state potential.
Czarnecki, Andrzej +2 more
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Black Layers of Decay and Color Patterns on Heritage Limestone as Markers of Environmental Change
Air pollution induces the development of black crusts on the surface of built heritage materials. Black layers on the limestone used on an emblematic Madrilenian building dating from the early twentieth century, mainly built up in the 20 years lapsing ...
Elena Mercedes Perez-Monserrat +3 more
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Aggregation and feeding behavior of the Formosan subterranean termite, Coptotermes formosanus Shiraki, was evaluated on wood decayed by three species of fungus, the brown rot fungus, Gloeophyllum trabeum and two white rot fungi, Phanerochaete ...
Mary L. Cornelius
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We present a nonrelativistic transition potential for the weak strangeness-changing reaction $ΛN \to NN$. The potential is based on a one meson exchange model (OME), where, in addition to the long-ranged pion, the exchange of the pseudoscalar $K, η$, as well as the vector $ρ, ω, K^*$ mesons is considered.
Parreño, A., Bennhold, C., Ramos, A.
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Brick durability and conservation treatment (Santa María de Jesús chapel portal, Seville, Spain)
Durability differences of 2 types of brick from Santa María de Jesús Chapel (Sevilla) and 2 treatments for its restoration have been studied. They have been characterizad using XRD and SEM, as well as their physical, hydric and mechanical properties ...
F. J. Alejandre, R. Villegas
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Biotic and abiotic synergies in a log ecosystem
Log ecosystems are unique ecosystems that arise from fallen trees, forming microhabitats that exhibit distinct ecological dynamics. This paper aims to describe what a log ecosystem is and what are its components and their connection.
Larizza Faith N. Del Socorro
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The aims of the research were to evaluate the effectiveness of the application of nanostructured products on Volterra calcarenite stone and to define the experimental conditions and procedures of accelerated aging tests, able to simulate different ...
Federica Fernandez +5 more
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