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...
百度试题 结果1 题目【题目】xyxmndnnngdnj写出与下面字母读音相同的整体认读音节。2 a 相关知识点: 试题来源: 解析 【解析】 -、 yi zi ri chi wu yu 反馈 收藏
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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 ...
2.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-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...
利用内耗对Ca1一xYxMn03的合作Jahn—Teller效应研究
The magnetic phase diagram (x, T, p) of the Sm1−xYxMn2Ge2 system has been studied by susceptibility and magnetization measurements. With increase in yttrium concentration the temperature region of ferromagnetic ordering decreases on the (x, T) phase diagram. A similar effect is observed when...
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YMnO3(X=0.1,0.2,0.25,0.3)的合作Jahn—Teller效应。当T 化而变化,反映了合作Jahn.Teller晶格畸变的大小随着Y掺杂量的变化而变化。 关键词:内耗;晶格畸变;合作Jahn.TeUer效应 中图分类号:0482;O612.7;TB34 文献标识码:A StudiesontheCooperativeJahn—TellerEffectin ...