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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 sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti 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 ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة 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 roadEgyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti 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 ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة 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 road

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US dollar51.34EGPEuro59.64EGPBritish pound69.40EGPSaudi riyal13.69EGPUAE dirham13.98EGPKuwaiti dinar166.60EGPJordanian dinar72.41EGPQatari riyal14.10EGPTurkish lira1.06EGPChinese yuan7.63EGPGold 247,181.52EGP/gGold 216,283.83EGP/gGold 185,386.14EGP/gSilver106.51EGP/g

World

اختراق صيني يضاعف قوة خلايا وقود الهيدروجين 4 مرات

By سبوتنيك عربي · 1 hour ago · 1 min read سبوتنيك عربي ↗

أعاد علماء في الصين تصميم واجهة حيوية داخل خلايا الوقود ذات غشاء تبادل البروتونات، مما أتاح للبروتونات التحرك بسرعة أكبر بكثير، وقد ولّدت الخلايا المخبرية طاقة تفوق بأربع مرات تلك التي تنتجها الخلايا التقليدية في ظروف الاختبار المذكورة، مع تحقيق كفاءة أعلى بكثير في استخدام معدن البلاتين باهظ الثمن.

المصدر: سبوتنيك عربي

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