在多项式x-y-z-m-n(其中xyxmn)中,在相邻的两个字母间任意添加绝对值符号,添加绝对值符号后仍只有减法运算,然后进行去绝对值运算,称此为“绝对操作”.例如:x-y-|z-m|-n=x-y-z+m-n,|x-y|-z-|m-n|=x-y-z-m+n ,下列说法:①存在“绝对操作”,使其运算结果与原多项式相等;②不存在“绝对操...
The magnetic measurements onU1-xYxMnAlsystem were performed in the 4u2013600 K temperature range andfields up to 70 kOe. YMnAl presents spin fluctuationcharacteristics due to manganese atoms with a Curieu2013Weiss typebehavior over the T* temperature. The gradual substitutionof uranium for yttrium ...
Sm 1-xY xMn 2Ge 2/ A7530K Magnetic phase boundaries A7550C Ferromagnetism of nonferrous metals and alloys A7530C Magnetic moments and susceptibility in magnetically ordered materials A7560E Magnetization curves, hysteresis, Barkhausen and related effects/ SmYMn2Ge2/ss Ge2/ss Mn2/ss Ge/ss Mn/...
(2023重庆B,4分)在多项式x-y-z-m-n(其中xyxmn)中,对相邻的两个字母间任意添加绝对值符号,添加绝对值符号后仍只有减法运算,然后进行去绝对值运算,称此为“绝对操作”.例如: x-y-|z-m|-n=x-y-z+m-n, |x-y|-z=|m-n|=x-y-z-m+n,… .下列说法:①存在“绝对操作” .使其运算结果与原...
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利用内耗对Ca1一xYxMn03的合作Jahn—Teller效应研究
利用内耗对ca1一xyxmn03的合作jahn—teller效应研究 下载文档 收藏 打印 转格式 45阅读文档大小:289.34K5页558413上传于2015-03-28格式:PDF Multistate and multimode vibronic dynamics The Jahn–Teller and pseudo-Jahn–Teller effects in the ethane radical cation ...
Magnetic study of the compounds RMn2Ge2 (R LaSm, Gd) and RxY1xMn2Ge2 (R La, Lu; 0<x<1) above room temperature 来自 Elsevier 喜欢 0 阅读量: 118 作者: G Venturini 摘要: The Néel temperatures of the compounds RMn 2 Ge 2 (R La, Pr, Nd, Sm, Gd 0.5 Sm 0.5 ) were determined...
解:(1)分式 1x, 1xy的最简公分母为xy; (2)分式 xmn, ynp的最简公分母为mnp; (3)分式 23c2, 16cd2的最简公分母为6c2d2. 故答案为: (1)xy; (2)mnp; (3)6c2d2. 确定最简公分母的方法是:(1)取各分母系数的最小公倍数;(2)凡单独出现的字母连同它的指数作为最简公分母的一个因式;(3...
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