Zobrazeno 1 - 10
of 83 922
pro vyhledávání: '"F.f"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 165-169 (2024)
The correlation between Vickers microhardness and microstructure of low-temperature Sn-xBi-M(Ag, Sb) solders was investigated. The β-Sn grains were refined with increasing Bi content, as well as the additions of Ag and Sb. Fine β-Sn grains in gener
Externí odkaz:
https://doaj.org/article/f4079c145dcd4220ac79a2f26dec0b56
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 747-752 (2024)
This project studies the influence of different grain sizes of Ni-based Fe-33Ni-19Cr alloy obtained from heat treatment procedure on high temperature isothermal oxidation. Heat treatment procedure was carried out at two different temperatures, namely
Externí odkaz:
https://doaj.org/article/5fcb53ac73c148128362604f5f489ca1
Autor:
M.F.A. Hashim, Y.M. Daud, M.M. Al Bakri Abdullah, M.A. Faris, M.S.M. Rasidi, C.M.R. Ghazali, F.F. Zainal, S. Hasyim, N.N.M. Nazri, S. Garus
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 723-732 (2024)
This study assessed the morphology and chemical composition of coir coconut husk carbon fiber, as well as the impact of fiber diameters on the physical and mechanical properties of polylactic acid composites. Researchers are studying polylactide acid
Externí odkaz:
https://doaj.org/article/a7a28b097e0243b6a86f58b882f857c1
Publikováno v:
Nuclear Physics B, Vol 1008, Iss , Pp 116708- (2024)
Obtaining the momentum space associated with tachyonic “particles” from the Poincaré group manifold proves to be rather intricate, departing very much from the ordinary dual to Minkowski space directly parametrized by space-time translations of
Externí odkaz:
https://doaj.org/article/7bc67f132e514a03a26071bf3105036e
Autor:
F.F. Mustafa Mustafa, S.Q. Al-Musawi, Hussain A. Mahdi, K. N. Salloomi, S.D. Reda, Ahmed Al-Ashaab, Adel Al-Jumaily
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 20, Iss 3 (2024)
For decades, metal corrugated sheets have usually been manufactured using conventional roll-forming machines with lower and upper rollers or a die and a press as the main shaping elements. However, these machines and their related processes present e
Externí odkaz:
https://doaj.org/article/71d266e450f04839a35c54a5661cb05c
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 9, Pp 105941- (2024)
Costus Roots (CRs) (Saussurea lappa C.B. Clark- Asteraceae family) is a medicinal herb, very frequently utilized in developing countries for treating worm (nematode) infections, asthma, cholera, digestive problems and in cosmetics products. Due to it
Externí odkaz:
https://doaj.org/article/b68254fca0584cdc8e3c2a9d5064bd02
Autor:
A.F. Hamood, Hussein Mousa Habeeb, Basheer A. Abdulhussein, A.M. Mustafa, F.F. Sayyid, M.M. Hanoon, T.S. Gaaz, Lina A. Hameed, A.A.A. Alamiery
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102677- (2024)
Corrosion becomes a severe problem in several sectors due to its various effects. The present work focusing for corrosion inhibition efficiency of mild steel in 1 M HCl using 7-mercapto-4-methylcoumarin (MMC) through experimental and theoretical meth
Externí odkaz:
https://doaj.org/article/30a7fc52cc6346b3aaa7b6330fe807f5
Publikováno v:
Physics Letters B, Vol 853, Iss , Pp 138671- (2024)
Starting from a |ϕ|4 field theory with universal pn interacting angular and distance coordinates (θ,r) to depict nuclear long-range correlations, we have derived a cubic Schrödinger equation for NpNn pn interacting virtual bosons, which are believ
Externí odkaz:
https://doaj.org/article/61ff8ac38dd3451a868bec171b718dae
Publikováno v:
Global Journal of Environmental Science and Management, Vol 10, Iss 2, Pp 435-450 (2024)
BACKGROUND AND OBJECTIVES: Jordan's limited water resources have reduced daily water consumption, leading to a highly concentrated greywater production rate of 54 million cubic meters per year. The presence of nitrate ions, total dissolved solids, to
Externí odkaz:
https://doaj.org/article/4d9ba3c678214d4e8ac001243238e99d
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 157-168 (2023)
The purpose of this work was to study the effect of the aluminum oxide impurity content on the features of vacuum sintering, optical and luminescent properties of composite ceramics LuAG:Ce / Al2O3. Ceramic powders LC-1, LC-2, LC-3 of the composition
Externí odkaz:
https://doaj.org/article/40d2deffc4d745e2ae3062e331e087d6