Armchair single walled carbon nanotubes (3, 3) with different lengths were studied by AM1 and PM3 methods.
用半经验的AM1和PM 3方法,对不同长度的扶手椅型单壁碳纳米管(3,3)进行了理论研究。
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Therefore, the first side pins and the second side pins can have symmetrical lengths without long side suspension ends and can be suitable for sticking and fixing wafers with single side welding pads.
Our fibre is a single staple polyester fibre with a cross sectional diameter of around 15 microns, normally cut to 75mm, 50mm and 38mm lengths with other lengths available upon request.