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  • Miniatura para Periodo húmedo de África
    septiembre de 2006). «Mobility and kinship in the prehistoric Sahara: Strontium isotope analysis of Holocene human skeletons from the Acacus Mts. (southwestern…
    281 kB (32 027 palabras) - 17:01 29 dic 2023

Resultados de la Wikipedia en inglés.

  • Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element…
    58 kB (6391 palabras) - 06:23 14 abr 2024
  • compounds of strontium, such as yellow strontium chromate, strontium carbonate, and strontium sulfate. Exposure of aqueous solutions of strontium chloride…
    11 kB (923 palabras) - 16:59 9 dic 2023
  • Strontium aluminate is an aluminate compound with the chemical formula SrAl2O4 (sometimes written as SrO·Al2O3). It is a pale yellow, monoclinic crystalline…
    16 kB (1686 palabras) - 16:13 10 abr 2024
  • soluble in water at 100 °C than at room temperature. Therefore, the yellow strontium chromate can be suspended in a hot solution of a soluble sulfate to…
    3 kB (147 palabras) - 02:01 4 may 2024
  • Strontium carbonate (SrCO3) is the carbonate salt of strontium that has the appearance of a white or grey powder. It occurs in nature as the mineral strontianite…
    7 kB (698 palabras) - 12:20 27 feb 2024
  • Strontium titanate is an oxide of strontium and titanium with the chemical formula SrTiO3. At room temperature, it is a centrosymmetric paraelectric material…
    27 kB (3011 palabras) - 13:46 28 feb 2024
  • Celestine (the IMA-accepted name) or celestite is a mineral consisting of strontium sulfate (SrSO4). The mineral is named for its occasional delicate blue…
    9 kB (725 palabras) - 23:15 3 ene 2024
  • Potassium nitrate (saltpeter) Potassium chlorate Potassium perchlorate Strontium nitrate Sodium nitrate Many of these oxidizers also produce a colored…
    6 kB (472 palabras) - 03:26 30 ene 2024
  • Hydroxyapatite (redirección desde Strontium analysis)
    marine in nature (carbon, strontium); the geographical origin and migratory habits of an animal or human (oxygen, strontium) and to reconstruct past temperatures…
    36 kB (3775 palabras) - 20:18 16 mar 2024
  • Lead-tin-yellow: PbSnO4 or Pb(Sn,Si)O3. Strontium pigments Strontium yellow (PY32): SrCrO4 Titanium pigments Titanium yellow (PY53): NiO·Sb2O3·20TiO2 Tin pigments…
    9 kB (866 palabras) - 15:30 24 mar 2024
  • artificial materials. A number of other artificial materials, such as strontium titanate and synthetic rutile have been developed since the mid-1950s…
    37 kB (5267 palabras) - 17:14 15 abr 2024
  • when heated to 230 °C in a vacuum. When strontium metal is heated with ammonia at 750 °C, the dark yellow strontium imide forms. When barium vapour is heated…
    17 kB (1499 palabras) - 20:45 8 nov 2023
  • Beta-M (categoría Strontium)
    Soviet-era lighthouses and beacons. The Beta-M contains a core made up of strontium-90, which has a half-life of 28.79 years. The service life of these generators…
    5 kB (434 palabras) - 10:47 5 abr 2024
  • periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). The elements have very similar properties:…
    71 kB (7210 palabras) - 17:58 9 may 2024
  • (sometimes described as pale yellow) whose properties are very similar to the heavier elements in its group, strontium, barium, and radium. A calcium…
    47 kB (5908 palabras) - 10:22 20 abr 2024
  • metal selenide layers (b) form an alternating pattern (c). Color code: yellowstrontium; pink − cobalt; blue − oxygen; green − selenium; orange − copper…
    11 kB (1030 palabras) - 09:32 8 feb 2024
  • Strontianite (categoría Strontium minerals)
    important raw material for the extraction of strontium. It is a rare carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite…
    19 kB (1826 palabras) - 20:22 9 ene 2024
  • Kimberlite (redirección desde Yellow ground)
    enrichment (ΣLILE > 1,000 ppm), including elements like potassium, barium, and strontium, points to a significant contribution from metasomatized mantle sources…
    31 kB (3588 palabras) - 21:43 6 may 2024
  • intensity), and decay time (in seconds). Examples: Calcium sulfide with strontium sulfide with bismuth as activator, (Ca,Sr)S:Bi, yields blue light with…
    60 kB (5851 palabras) - 23:50 8 may 2024
  • Common sunflower (redirección desde Yellow Empress)
    soil such as lead and other heavy metals, such as cadmium, zinc, cesium, strontium, and uranium. The phytoremediation process begins by absorbing the heavy…
    49 kB (5234 palabras) - 01:41 29 abr 2024
  • purple colorant Sodium sulfate – a high-temperature oxidizer, a yellow colorant Strontium sulfate – a high-temperature oxidizer, a red colorant Organic…
    28 kB (3515 palabras) - 03:37 4 jun 2023