علوم و تقنية

لأصحاب الوقت الضيق.. 6 منصات عالمية للتعليم عن بُعد مجانا

تُعد الدورات التدريبية المجانية المتوفرة عبر الإنترنت إحدى أسهل طرق تحصيل العلم والخبرات، وذلك دون تكبد كثير من العناء أو التكاليف. فمواقع التعليم المجاني عبر الإنترنت تساعد على تعلم الدورات التدريبية دون الخروج من راحة منزلك.

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بديل “البلاديوم”.. تحفيز كيميائي يكسر الهيمنة الروسية

تعتمد الصناعات الكيميائية -بما فيها صناعة الأدوية- على عملية تسمى "التحفيز الكيميائي"، وتقوم على استخدام مادة تعرف بـ"المحفز" لتسهيل عملية التفاعل الكيميائي عن طريق خفض طاقة التنشيط اللازمة لحدوثه، مما يجعله يتقدم بسرعة أكبر.

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Nexus 6 review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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Apple iPad review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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BlackBerry Classic review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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Apple iMac with Retina 5K display review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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iPhone 6 Plus review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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Samsung Galaxy Note Edge review

Don’t act so surprised, Your Highness. You weren’t on any mercy mission this time. Several transmissions were beamed to this ship by Rebel spies. I want to know what happened to the plans they sent you. In my experience, there is no such thing as luck. Partially, but it also obeys your commands. I want to come with you to …

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