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Infrared response of pure and W-doped K0.3MoO3电荷密度波材料K0.3MoO3及W掺杂样品的红外光学响应的研究
,,,,,冯天,,,,
Keywords: ,Peierls transition电荷密度波,
We measured the reflectance spectra of pure,3% and 15% Tungsten\|doped K 0 3 MoO 3 below and above the charge density wave (CDW) transition temperatures.The conductivity spectra were derived from Kramers\|Kronig transformation.The effect of W impurities on phase phonons,single particle gap associated with CDW condensation were discussed.
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A Stanford law-school dropout named Jillian escapes to the anonymity of Los Angeles to figure out what she wants to do with her life, and on the day of her college boyfriend's birthday, she finds herself stuck running an ice cream truck fending off locals and oddball friends alike. This one day spent in a truck on the streets of Los Angeles will wake Jillian from her aimless daze and make her see that life doesn't stop just because you want it to. Written by Jay Gammill  
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优质精品供应商推荐:某钢样品的含铁量为99.64%,假设该钢样品的组成物质为Fe、Fe 2 C和Fe 3 C,则该钢样品Fe 2 C和Fe 3 C的质量分数(w)范围是(  )
A.2.48%<w<3.6%
B.0.03%<w<2%
C.2.24%<w<3.36%
D.3.72%<w<5.40%
朋友而已″344
由钢样品的含铁量为99.64%,则含碳量为1-99.64%=0.36%,假设样品中只含Fe 2 C,Fe 2 C中碳元素的质量分数为
×100%=9.67%,则样品中Fe 2 C的质量分数为
×100%=3.72%,假设样品中只含有Fe 3 C,Fe 3 C中碳元素的质量分数为
×100%=6.67%,则样品中Fe 3 C的质量分数为
×100%=5.37%,即该钢样品Fe 2 C和Fe 3 C的质量分数范围为3.72%<w<5.40%,故选D.
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