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Mostrando 1 - 20 Resultados de 727 Para Buscar 'rock ácido~', tiempo de consulta: 7.04s Limitar resultados
  1. 1
    “…Reported here are experiments that show that ribonucleoside triphosphates are converted to polyribonucleic acid when incubated with rock glasses similar to those likely present 4.3–4.4 billion years ago on the Hadean Earth surface, where they were formed by impacts and volcanism. …”
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    Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses
  2. 2
    por Yan, Fuli, Shi, Yongmin, Tian, Yu
    Publicado 2021
    “…Retarding the rate of acid–rock reaction and enhancing the acidification are mainly attributed to VES-c's salt-tolerance, anti-adsorption, and the property of increasing the viscosity of the solution. …”
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    Synthesis and Characterization of Surfactant for Retarding Acid–Rock Reaction Rate in Acid Fracturing
  3. 3
    “…Most rock extraction sites, including mine sites and building construction sites, require a plan to assess, and mitigate if present, the risk of acid mine drainage (AMD). …”
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    Unexpected Non-acid Drainage from Sulfidic Rock Waste
  4. 4
    por Bram, Lauren, Klemetsrud, Bethany
    Publicado 2023
    “…Acid rock drainage (ARD) was successfully neutralized in this study using carpet tiles. …”
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    Calcium Carbonate in Waste Flooring for Neutralization of Acid Rock Drainage
  5. 5
    por Cole, William H.
    Publicado 1932
    “…1. Stimulation in the rock barnacle Balanus balanoides by the sodium salts of the first seven normal aliphatic acids has been studied at several different concentrations for each salt. …”
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    STIMULATION BY THE SALTS OF THE NORMAL ALIPHATIC ACIDS IN THE ROCK BARNACLE BALANUS BALANOIDES
  6. 6
    por Cole, William H.
    Publicado 1932
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    STIMULATION BY THE SALTS OF THE NORMAL ALIPHATIC ACIDS IN THE ROCK BARNACLE BALANUS BALANOIDES
  7. 7
    “…In order to study the fractal dynamic properties of uranium leach mining and discuss the influence of ore crushing on the dynamics of leach mining, uranium mine ore rocks in southern China were selected as the research object and an acid leaching experiment was performed on the ore samples with different fractal dimensions of 1.1, 1.4, 1.7, 2.0, 2.3 and 2.6. …”
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    Fractal kinetic characteristics of hard-rock uranium leaching with sulfuric acid
  8. 8
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    Phosphorus Leaching in an Acid Tropical Soil “Recapitalized” with Phosphate Rock and Triple Superphosphate
  9. 9
    “…The relationship between cation release and acidity was found to be an exponential function. Our results suggested that solution acidity serves as an important driving force for cation release rates from purple rocks and that environmental acidification would enhance rock weathering.…”
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    Acidic condition accelerates cation release from purple rock in Southwestern China
  10. 10
    Publicado 1999
    “…Hard rock aquifers in arid and semi-arid zones…”
    Libro
    Water resources of hard rock aquifers in arid and semi-arid zones /
  11. 11
    “…The microbial oxidation of metal sulfides plays a major role in the formation of acid rock drainage (ARD). We aimed to broadly characterize the ARD at Ely Brook, which drains the Ely Copper Mine Superfund site in Vermont, USA, using metagenomics and metatranscriptomics to assess the metabolic potential and seasonal ecological roles of microorganisms in water and sediment. …”
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    Characterization of an acid rock drainage microbiome and transcriptome at the Ely Copper Mine Superfund site
  12. 12
    “…The lipid lysophosphatidic acid (LPA) concentrations are enhanced in patients upon HCV or SARS-CoV-2 infection, but the function of LPA and its receptors in innate immunity is largely unknown. …”
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    Targeting lysophospholipid acid receptor 1 and ROCK kinases promotes antiviral innate immunity
  13. 13
    “…Hence, we studied the action of curcumin on lysophosphatidic acid (LPA) mediated MCP-1 expression and explored the specific underlying mechanisms. …”
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    Curcumin Inhibits Lysophosphatidic Acid Mediated MCP-1 Expression via Blocking ROCK Signalling
  14. 14
    “…Subsequent secondary ion mass spectrometry U–Pb analyses demonstrate that the baddeleyite grains recovered by the new separation method keep the U–Pb system closed, indicating no Pb loss during acid treatment. Thus, this new method enables the most efficient baddeleyite recovery from gram-sized rocks and is anticipated to greatly contribute to the geochronological study of silica-unsaturated mafic rocks.…”
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    An Acid-Based Method for Highly Effective Baddeleyite Separation from Gram-Sized Mafic Rocks
  15. 15
    “…This research investigates the extraction of phosphate from rock phosphate (RP) by oxalic acid. Reaction parameters were derived using pure oxalic acid solutions to solubilize RP. …”
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    Rock phosphate solubilization by abiotic and fungal‐produced oxalic acid: reaction parameters and bioleaching potential
  16. 16
    “…Phosphate rocks (PRs) play a crucial role in ensuring the availability of phosphorous for the world’s food needs. …”
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    Quality of Phosphate Rocks from Various Deposits Used in Wet Phosphoric Acid and P-Fertilizer Production
  17. 17
    “…During acid fracturing, acid-rock reaction heat has a significant influence on temperature profiles in fractures and consequently on etched fracture dimensions, but it is usually neglected or simplified in acid fracturing models. …”
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    Influences of real-time acid-rock reaction heat on etched fracture dimensions during acid fracturing of carbonate reservoirs and field applications
  18. 18
    “…This transformant solubilized 509 μM of phosphorus from rock phosphate in alfisol which is 4.5 fold higher than the Pf (pKCN2) transformant. …”
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    Pseudomonas fluorescens ATCC 13525 Containing an Artificial Oxalate Operon and Vitreoscilla Hemoglobin Secretes Oxalic Acid and Solubilizes Rock Phosphate in Acidic Alfisols
  19. 19
    “…A study was conducted at Universiti Putra Malaysia to determine the effect of phosphate-solubilizing bacteria (PSB) and organic acids (oxalic & malic) on phosphate (P) solubilization from phosphate rock (PR) and growth of aerobic rice. …”
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    Application of Potential Phosphate-Solubilizing Bacteria and Organic Acids on Phosphate Solubilization from Phosphate Rock in Aerobic Rice
  20. 20
    “…The present study aims to characterize the fatty acid derivatives from the Sydney rock oyster Saccostrea glomerata and its pharmacological activities. …”
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    Studies on the antimicrobial potential and structural characterization of fatty acids extracted from Sydney rock oyster Saccostrea glomerata
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