北京师范大学学报（自然科学版）

JOURNAL OF BEIJING NORMALUNIVERSITY (NATURAL SCIENCE)

2002年10月第38卷第5期 Vol.38 No.5 Oct.2002

一般平面地图依点和面数的计数(Ⅰ)……蔡俊亮高存良刘彦佩(569)

一类多线性振荡奇异积分算子的有界性……孟岩(574)

广义Hopf不变量……张蓓高红铸(581)

关于空间型中闭子流形的平均绝对曲率……王雨生王幼宁(589)

插值问题与基本矩阵不等式变换(Ⅰ)……胡永建(596)

空间型Mⁿ⁺¹(a)中的Minkowski公式……王幼宁苏效乐(602)

有限带L_p函数非正规样本表示的截断误差界……王建军房艮孙(607)

带有正负系数的两类时滞微分方程的振动……刘志华(613)

金属离子注入纳米结构和特性……张通和吴瑜光刘安东张旭(620)

Penning阱离子谱分辨率的优化……汪华英包永芳李兰秀丁凤莲(624)

GIC4117 2×1.7 MV串列加速器高能注入靶室的改进……王广甫董平(628)

形式语言文法在加密技术中的应用……琚磊李丹傅骞(632)

二维Brownian motor工作模型……王海燕包景东(637)

Schwarzschild-anti-de Sitter背景标量场的熵……韩亦文刘文彪(643)

中子活化分析在秦始皇陵1，3号坑兵马俑原料产地研究中的应用……李融武谢建忠赵维娟高正耀李国霞韩国河冯松林范东宇张颖柴芝芳张仲立朱君孝(648)

吡啶吸附对Pt(111)电极上Cu欠电位沉积的影响……王红森(655)

β-烷基对卟吩异构化的取代基效应……张宏黄鸳珍马思渝(661)

3种蕨类植物的能育叶和孢子元素组成的X射线微区分析……李永良周云龙常崇艳陈晓端(667)

一类新型手性呋喃酮的不对称Michael加成反应……黄晓斌齐传民傅立民(671)

感染新疆大豆的一种球形病毒的免疫电子显微诊断……赵荣乐郑光宇(676)

猕猴桃种间体细胞杂种细胞质DNA遗传的初步分析……肖尊安熊红(681)

爆发型种群铜锤草的数量动态研究……杨娟葛剑平钟章成(685)

昆仑山垭口盆地松散沉积物粒度特征及其构造和环境意义……江樟焰伍永秋崔之久(692)

在遥感时间序列数据分析中马尔柯夫链方法与空间信息最佳结合的探讨……李小英彭望 曹彤(700)

从60cm高度下落到不同硬度的地面下肢关节的力学响应……侯曼刘润生王晓娟侯佳(706)

The enumeration of rooted planar maps with the numbers of vertices and faces(Ⅰ)……Cai Junliang Gao Cunliang Liu Yanpei(569)

On a class of multilinear oscillatory singular integral operators……Meng Yan(574)

Generalized Hopf invariant……Zhang Pei Gao Hongzhu(581)

On mean absolute curvature of submanifolds in space forms……Wang Yusheng Wang Youning(589)

Interpolation problems and transformations between fundamental matrix inequalities(Ⅰ)……Hu Yongjian(596)

Minkowski formula in space from Mⁿ⁺¹(a)……Wang Youning Su Xiaole(602)

Truncation error bounds for irregular samplimg expansions of bandlimited L_p-functions……Wang Jianjun Fang Gensun(607)

The oscillation of delay differential equation of two classes……Liu Zhihua(613)

Formation of nanostructure and its properties by metal ion implantation……Zhang Tonghe Wu Yuguang Liu Andong Zhang Xu(620)

Improvement on the resolution factor of ion spectrum from Penning ion trap……Wang Huaying Bao Yongfang Li Lanxiu Ding Fenglian(624)

The improvements of the MeV ion implantation chamber of the GIC4117 2×1.7 MV ion beam analysis facilities in bnu……Wang Guangfu Dong Ping(628)

Application of grammar of formal language to cipher technology……Ju Lei Li Dan Fu Qian(632)

Two-dimensional working model of Brownian motor……Wang Haiyan Bao Jingdong(637)

The entropy of scalar field in Schwarzschild-anti-de Sitter background……Han Yiwen Liu Wenbiao(643)

Applications of neutron activation analysis to the source study of raw material of the terracotta warriors and horses from the pits terracotta warriors and horses from the pits No.1 and No.3 of emperor Qin Shihuang's Mausoleum……Li Rongwu Xie Jianzhong Zhao Weijuan Gao Zhengyao Li Guoxia Han Guohe Feng Songlin Fan Dongyu Zhang Ying Chai Zhifang Zhang Zhongli Zhu Junxiao(648)

Influence of pyridine adsorption on Cu underpotential deposition on Pt(111)……Wang Hongsen(655)

Substituent effects of β-alkyls on the isomerization reaction of porphine……Zhang Hong Huang Yuanzhen Ma Siyu(661)

X-ray microanalysis of fertile leaf and spore element in three species of protective pteridophytes……Li Yongliang Zhou Yunlong

……Chang Chongyan Chen Xiaoduan(667)

The asymmetric Michael addition reaction of a new type of chiral furanone……Huang Xiaobin Qi Chuanmin Fu Limin(671)

Diagnosis of a spherical virus infecting Xinjiang soybean using immune electron microscopy……Zhao Rongle Zheng Guangyu(676)

Preliminary approach of cytoplast DNA of interspecific somatic hybrids in genus Actinidia ……Xiao Zun'an Xiong Hong(681)

Study on quantitative dynamics of explosive population in Oxalis corymbosa……Yang Juan Ge Jianping Zhong Zhangcheng(685)

Tectonic and environmental significance deduced from grain size characteristics of incompact sediment in Kunlun Pass basin……Jiang Zhangyan Wu Yongqiu Cui Zhijiu(692)

A study on the best combination of Markov method and spatial analysis with time-series data of remote sensing……Li Xiaoying Peng Wanglu Cao Tong(700)

The biomechanical contributions of the lower extremity joints from 60cm height to the different landing……Hou Man Liu Runsheng Wang Xiaojuan Hou Jia(706)