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FFT spectra Regarding the frequency-domain transfer characteristics, the vibration energy was found to gradually attenuate with the increase of distance, and the attenuation rate of high-frequency......
[87]. 图10 Fe2+氧化速率与电流密度的关系 Fig.10 Rate of Fe2+ oxidation as a function of current density 4.2 生物浸出法 在环保,绿色,高效的生产理念下,传统火法和湿法处理NdFeB废料存在能耗过大,化学试剂消耗过多易造成环境污染等问题.生物浸出是在微生物的帮助下以水溶性形式对不溶性金属化合物进行的生物转化......
] Fig.2 Tensile strength of three lead-free solders with rare earths (at constant strain rate of 0.005 s-1)[95] 2.3 蠕变特性 蠕变是指材料在高温和低于材料宏观屈服极限的应力下发生的缓慢的塑性变形.对于SnAgCu,SnZn,SnCu,SnAg等无铅钎料,由于钎......
J. Cent. South Univ. (2020) 27: 1104-1133 DOI: https://doi.org/10.1007/s11771-020-4353-7 Solution-processed perovskite solar cells CHANG Jian-hui(常建辉), LIU Kun(刘坤), LIN Si-yuan(林思远), YUAN Yong-bo(袁永波), ZHOU Cong-hua(周聪华), YANG Jun-liang(阳军亮) Hunan Key Laboratory for Super-microstructure and Ultraf......