دانلود پاورپوینت What is nanotechnology تعداد صفحات:۲۹ نوع فایل: power point (قابل ویرایش) لینک دانلود پایین صفحه بخشی از مطالب اسلایدها A Nanometer ¢There are 1 billion (1,000,000,000) nanometers in 1 meter ¢There are 1 million (1,000,000) micrometers (or microns) in 1 meter ¢A line of ten hydrogen atoms lined up side by side is 1 nanometer long ¢Your finger nail grows 1 nanometer in 1 second ¢The diameter of your hair is approximately 50,000 nanometers ¢The abbreviation for nanometer is “nm” Nanostructures/Nanomaterials ¢Nanostructures are materials that, in at least one dimension, measure approximately 1 – 100 nm ¢Nanostructures or nanomaterials exhibit properties different from their macroscale counterparts (their “big brothers”) such as: Mechanical strength (how hard they are to break) Electrical conductivity (how fast electrons flow through them) Ther …
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ارسال در : علوم پایه
ارسال در : علوم پایه