先谢谢了: 【作者】:P. Laurent 【题名】:High-sensitivity and broad-band techniques applied to magnetic susceptibility measurements in ferrofluids 【期刊、年、卷、期、起止页码】:Journal of Magnetism and Magnetic Materials Volume 122, Issues 1–3, April 1993, Pages 164–167 【全文链接】: http://www.sciencedirect.com/science/article/pii/030488539391064E