共查询到20条相似文献,搜索用时 981 毫秒
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本文研究了环Fpm+uFpm+u2Fpm上长度为ps的循环码分类.通过建立环Fpm+uFpm+u2Fpm到环Fpm+uFpm的同态,给出了环Fpm+uFpm+u2Fpm上长度为ps的循环码的新分类方法.应用这种方法,得到了环Fpm+uFpm+u2Fpm长度为ps的循环码的码词数. 相似文献
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《数学的实践与认识》1992,(4)
期数页数应用成果教型散料抽样精度之研究·····································································……秦士嘉袁建国l(l)饭金数值放样的一种新方法·,············································································……彭声羽l(11)射影几何的一种应用—用调和比求校直辊辊型曲线···一,····························… 相似文献
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《数学的实践与认识》1991,(4)
目录 应用期数页橄潜一地火箭飞行试验可靠度评估···········································································……高明坤l(l)三维岩体移动分析的Fu二y数学模型············································‘·····················……李文秀l(11)关于复合总额的计算模型·············································… 相似文献
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《数学年刊A辑(中文版)》1993,(6)
第一期Diri祝毗L--函数倒数的Zk次均值公式····································……张文鹅(1)Von Neumann正则环和SR环······························,········……章聚乐杜先能(6)关于交换亚正常算子组·········,··················································……李绍宽(n)Dirio五le七级数的边界断片维数····································… 相似文献
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《数学学报》1982,25(6):769-774
第期关于奇摄动问题的边界层项的构造方法·························································……江福汝(1)非线性规划的一个可行方向方法··································································……王长钮(15)Integral Equations Method in studies Concerning certain Nonlinear se!feontrolled systems with Hereditary and polywave or polyvibrating operator民······… 相似文献
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《高等学校计算数学学报》1990,(4)
第1期Jacobi矩阵和对称三对角矩阵特征值反问题·“·……,····”····“····”···············”····“”戴华(l)上双对角阵M oor卜入nrose逆及其行算法··························“·····················……王国荣(14)解一类二次规划的投影方法··············”·························。‘·········,·················……何炳生(24)最佳逼近的强唯一性·······……,:’·… 相似文献
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本文研究了Y2O3-Al2O3-Si2N2O系统的亚固相关系和1550℃的等温面相关系。研究结果表明,Si2N2O可与小于15mol%的Al2O3形成O′-Sialon(O′s.s.)。2Y2O3·Si2N2O可与2Y2O3·Al2O3形成连续固溶体(Js.s.).在Y2O3-Al2O3-Si2N2O系统的Si2N2O一端,Si2N2O与Y2O3会反应生成Si3N4和Y10[SiO4]6N2(H相)。因此在该系统中有四个四元相区:H-Si2N2O-O′s.s.-Si3N4,H-3Y2O3·5Al2O3-O′s.s.-Si3N4,H-3Y2O3·5Al2O3-Y2O3·Si2N2O-Si3N4,H-3Y2O3·5Al2O3-Y2O3·Si2N2O-Js.s..在1550℃等温面相图中,在近Al2O3-Si2N2O系统一边有一个很大的液相区。其低共熔组成为:Y2O3:2Si2N2O:2Al2O3,T=1450℃。 相似文献
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《高校应用数学学报(A辑)》1991,(4)
第l期1991年3月关于尖点型突变点的逼近·,··············································,···········……杨忠华(l)有向S一回路和有向S一迹····························································……周镇海(13)带约束的回归系数的线性估计的可容许性·································……詹金龙陈建宝(20)一类Burgers一BBM型方程的整体强解··········… 相似文献
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《数学物理学报(A辑)》1984,(4)
期(Number)1,1984年3月在非古典变分场中关于Soliton的某些性质·····················……张学铭1双周期解析函数的Dirichlet问题····································……路见可9k一近邻预测后验风险的指数限·······································……际布孺17连续函数用它的富里埃级数的部分和来逼近·····················……郭竹瑞25树上的可加枚举问题························… 相似文献
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《数学研究与评论》2004,24(4):758-759
弟一期 专题研究可数半范空间中Ekeland变分原理的一种形式(英》····················4·····························一丘京辉(l)尸(叻上Toeplitz算子的半换位子(英)···········,·············································一于涛、孙善利(7)诱导I(L)一拓扑空间中网的收敛性及其应用(英)·····,········································,·…王戈平、陈莉(13)一些PachPat… 相似文献
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《数学年刊A辑(中文版)》1990,(6)
弟一朋作者索引(1980一1989)·····································································……(1)关于弱正则环的一些结果··············································,··········,··…萧宇飞(64)W梦上重结点最优求积公式的存在性·································……黄达人房良孙(69)关于Banaoh空间x的Mal时a常数D(X)的某些结果········… 相似文献