يعرض 441 - 460 نتائج من 547 نتيجة بحث عن '(( 7 10 decrease ) OR ( 10 ((ng decrease) OR (((nn decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.14s تنقيح النتائج
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    Effect of pH on dissolution of iron sulfide scales using THPS حسب Ahmed, Musa

    منشور في 2019
    "…For the field scale the combined formulation of THPS and EDTA yielded more than 70 % scale solubility however, for pure pyrite it was less than 10%. This implies that THPS and EDTA combination is effective in dissolving other iron sulfide scales, such as pyrrhotite (Fe7S8) and troilite (FeS) which are more soluble in comparison with pyrite. …"
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    Performance and analysis of kappa-carrageenan hydrogel for PFOA-contaminated soil remediation wastewater treatment حسب Alsaka, Lilyan

    منشور في 2024
    "…After three filtration cycles, the water flux decline of 3%kC-0.3%AC was less than 10%. The gravity dead-end kC hydrogel provides sustainable PFOA wastewater treatment with biodegradable and natural materials.…"
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    article
  5. 445

    Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model حسب Charfeddine, Lanouar

    منشور في 2016
    "…From the economic perspective, this means that initially economic growth increases environment degradation and then declines it after a threshold point of income per capita. …"
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