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Egyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic Forumرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsVarietySouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open roadWorldHigh school valedictorian yanked from stage after hijacking speech to rant against Israel and ICESaudi FM Receives Written Message from Russian CounterpartEgyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic Forumرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsVarietySouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open roadWorldHigh school valedictorian yanked from stage after hijacking speech to rant against Israel and ICESaudi FM Receives Written Message from Russian Counterpart

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US dollar51.31EGPEuro58.43EGPBritish pound68.38EGPSaudi riyal13.68EGPUAE dirham13.97EGPKuwaiti dinar165.77EGPJordanian dinar72.37EGPQatari riyal14.10EGPTurkish lira1.08EGPChinese yuan7.56EGPGold 246,689.33EGP/gGold 215,853.16EGP/gGold 185,016.99EGP/gSilver96.24EGP/g

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علماء روس يطورون غلاف كربوني يساعد الجسيمات النانوية على تحمل حرارة تصل إلى 1400 درجة دون تكتل

By سبوتنيك عربي · 2 hours ago · 1 min read سبوتنيك عربي ↗

طور باحثون في معهد بوريسكوف للحفز التابع لفرع سيبيريا في الأكاديمية الروسية للعلوم طريقةً لإنتاج مواد أكسيد السيريوم والزركونيوم متناهية الصغر عند درجات حرارة عالية للغاية، ومن خلال تغطية كل جسيم نانوي بطبقة رقيقة من الكربون، منع العلماء الجسيمات من الاندماج معًا وحافظوا على الخصائص اللازمة للحفز، وعلم المعادن، وتقنيات الطاقة البديلة.

المصدر: سبوتنيك عربي

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