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there-are-three-parts-of-the-atoms

What Are The Parts Of An Atom? Since the beginning of time, human beings have sought to understand what the universe and everything within it is made up of. And while ancient magi and philosophers conceived of a world composed of four or five elements – earth, air, water, fire (and metal, or consciousness) – by classical antiquity, philosophers began …

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جغرافياي خليج فارس/Geography of Persian Gulf

Geography of Persian Gulf Translated by: Roya Monajem   The Persian Gulf is located between 24° to 30° ۳۰′ N latitude and 48° to 56° ۲۵′ E longitude. The present Persian Gulf is a small part of a vast water space called Persian Sea in the remote past as it embraced the whole Makran (Oman) Sea and a part of the …

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Genesis of Persian Gulf/پيدايش خليج فارس

Genesis of Persian Gulf Author: Roozbeh ParsaPour Persian Gulf is remaining from a big puddle in the past era of geology under the influence of pressure arising from volcanoes of Iran’s Plateau and the resistant of Arabia’s Plateau against these reactions have caused its creation and expansion. (Ali Darvish Zade 1991) Geologists believe that at the Paleozoic of geology, about …

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موتور جت

 DOWNLOAD موتور توربوجت موتورهای توربو جت، بیشتر بر نیروی تولیدی از گازهای خروجی اتکا دارند. در موتورهای توربوجت، ابتدا، هوا وارد کمپرسور شده و متراکم می‌گردد. اما چون این هوا با سرعت نسبتاً زیادی وارد موتور گردیده برای احتراق مناسب نمی‌باشد و بیشتر سوخت مصرف شده، بدون اشتعال هدر می‌رود. به همین دلیل هوا به قسمت دیفیوزر یا همان کاهنده …