Results 31 to 40 of about 215,658 (95)
Calculation of composition distribution of ultrafine ion-H2O-H2SO4 clusters using a modified binary ion nucleation theory [PDF]
Thomson's ion nucleation theory was modified to include the effects of curvature dependence of the microscopic surface tension of field dependent, nonlinear, dielectric properties of the liquid; and of sulfuric acid hydrate formation in binary mixtures ...
Chan, L. Y. +3 more
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Method for producing oxygen from lunar materials [PDF]
, 1993 This invention is related to producing oxygen from lunar or Martian materials, particularly from lunar ilmenite in situ. The process includes producing a slurry of the minerals and hot sulfuric acid, the acid and minerals reacting to form sulfates of the
Sullivan, Thomas A.
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Study of a water-vapor electrolysis unit [PDF]
Sulfuric acid type water vapor electrolysis module for oxygen generation in advanced life support ...
Clifford, J. E. +2 more
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Ketahanan Beton Mutu Tinggi di Lingkungan Asam [PDF]
, 1964 This research studies the durability of high strength concrete in acidic environment likes peat water and sulfuric acid solution. The high strength concrete will immersion in that both solution. After that, concrete will testing by mechanics and physical
Pandiangan, J. A. (Jaya) +2 more
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Wear of iron and nickel in corrosive liquid environments [PDF]
Friction and wear behavior of Fe and Ni sliding on aluminum oxide in aerated sulfuric acid and hydrochloric acid were investigated. The results show that the concentration of acid is an important factor in controlling the metal loss caused by wear ...
Miyoshi, Kazuhisa +1 more
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Lempung Cengar Teraktivasi Asam Sulfat sebagai Hasil Samping Produksi Koagulan: Karakterisasi [PDF]
, 2015 Cengar Natural clay was calcined at 700°C for 3 hours and the clay was extracted usingsulfuric acid with various of concentration (0.2, 0.4 and 0.6 moles) at 30 o C for 1 hour for liquid coagulant synthesis.
Muhdarina, M. (Muhdarina) +2 more
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Friction and wear of iron in sulfuric acid [PDF]
Elemental iron sliding on aluminum oxide in aerated sulfuric acid concentrations ranging from very dilute (0.000007 N; i.e., 4 ppm) to very concentrated (96 percent acid) was studied. Load and reciprocating sliding speeds were kept constant.
Buckley, D. H. +2 more
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The effects of carboxylic acids in aluminum anodizing [PDF]
, 2017 Hard-anodized alumina coatings were formed in sulfuric acid at low temperature and high current density in the presence of carboxylic acid additives. Citric acid, trimesic acid, mellitic acid and ethylenediaminetetraacetic acid (EDTA) were utilized in ...
Koczera, Abby E
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Toward Modeling the Growth of Large Atmospheric Sulfuric Acid-Ammonia Clusters. [PDF]
ACS Omega, 2023 Engsvang M, Kubečka J, Elm J.
europepmc +1 more source
Improved ceramic heat exchange material [PDF]
Improved corrosion resistant ceramic materials that are suitable for use as regenerative heat exchangers for vehicular gas turbines is reported. Two glass-ceramic materials, C-144 and C-145, have superior durability towards sulfuric acid and sodium ...
Mccollister, H. L.
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