يعرض 841 - 860 نتائج من 1,774 نتيجة بحث عن '(( i na decrease ) OR ( 10 (((peter OR per) decrease) OR (((mean decrease) OR (a decrease)))) ))*', وقت الاستعلام: 0.20s تنقيح النتائج
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    The Role of Key Impurity Elements on the Performance of Aluminium Electrolysis - Current Efficiency and Metal Quality حسب Al-Mejali, Jassim Ali

    منشور في 2015
    "…It is established in the literature that for every 100 ppm of phosphorus in the bath the current efficiency is decreased by 1%. The chemical and electrochemical behavior of phosphorus and silicon compounds in the Hall-Héroult process was studied. …"
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    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

    منشور في 2016
    "…The system consists of three main chambers (source, mass filter, and deposition chambers) that were pumped initially to a base pressure of 10-8 mbar using two turbo pumps. …"
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    Global, regional, and national stillbirths at 20 weeks' gestation or longer in 204 countries and territories, 1990–2021: findings from the Global Burden of Disease Study 2021 حسب Comfort, Haley

    منشور في 2024
    "…The estimated number of stillbirths occurring at 20 weeks' gestation or longer decreased from 5·08 million (95% UI 4·07–6·35) in 1990 to 3·04 million (2·61–3·62) in 2021, corresponding to a 39·8% (31·8–48·0) reduction, which lagged behind a global improvement in neonatal deaths of 45·6% (36·3–53·1) for the same period (down from 4·03 million [3·86–4·22] neonatal deaths in 1990). …"
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