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ضروري TEM
السلام عليكم
طبعا ما عرفت باي قسم اضع سؤالي : انا عتدي واجب هام وما عرفت الحل ارجو مساعدتي ضروري شاكره لكم ولو بشي بسيط او بمعلومات او حتى مواقع وقوانين تساعدني في الحل 1- calculate the mean free path of air molecules at 10-6 torr How does this value compare with the column length of a 2- TEM? Based on the answers obtain/provided in 1a and 1b is 10-6 3- torr adequate to operate a TEM? What would be the advantage(s) of operating with a better 4- vacuum than 10-6 torr? |
الساعة الآن 23:58 |
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