北京师范大学学报 (自然科学版)

JOURNAL OF BEIJING NORMALUNIVERSITY (NATURAL SCIENCE)

2006年12  42卷第6期        Vol.42   No.Dec. 2006

        CONTENTS  

Rd上扩散过程轨道分布的随机序……张  旭(551摘要

汉字系统直接构件模型的建立……李    周晓文(554摘要

平展φ-模的上同调刻画……曹  磊(558摘要

一类带粗糙核的抛物型极大算子的有界性……陈艳萍(561摘要

空间型中闭超曲面的Minkowski积分公式的统一证明……苏效乐(565摘要

半平面中调和函数的积分表示……闫    邓冠铁(570摘要

新形式强极值原理的新证明……孙文敏(574摘要

N体问题的“蜂窝型”中心构型……刘文中          张同杰(576摘要

乙酸乙酯-乙苯二元混合溶液的折射研究……辛督强      解延雷    涛(579摘要

一种改进的分水岭人脑MR图像分割方法……李荣艳  熊文生  曹佃国(582摘要

0.42.6 MeV宽能区质子在轻核Al160°背散射截面测量……孙旭芳      刘运宏  王广甫(585摘要

北京师范大学外束PIXE分析装置的建立……鲁永芳  王广甫(588摘要

基于数据挖掘的蔬菜图片病害自动分类……任            别荣芳(592摘要

新型二氮冠醚臂式衍生物的合成与表征……王小珠  马淑兰  朱文祥  刘迎春    静(597摘要

质子化卟吩结构的理论研究……廖玉婷  马思渝(601摘要

紫花地丁开放花和闭锁花繁殖特征的研究……刘绮丽  刘香梅  刘薇薇  廖万金(605摘要

特质焦虑的潜类别分析……李雪燕    涛(610摘要

冰封期河流中污染物损耗估算模型……郑秋红  伍永秋  张永光(615摘要

气候变化对中国北方温带草原植被的影响……李    李晓兵          余弘婧    华(618摘要

额济纳绿洲土地承载力研究……格日乐      邹学勇  王升堂  张春来(624摘要

直升机电力巡线系统中利用核线约束进行线路三维重建……张吴明  阎广建  李巧枝    伟(629摘要

关于虚拟水与虚拟水贸易的讨论……王红瑞  董艳艳  王军红  韩兆兴(633摘要

慢跑鞋的足底压强分析与功能评价……石宏杰  蔡宇辉  刘润生  王艳菊(640摘要

个人所得税收入分配效应的模型分析……周    刘海龙  谢文昕  李克强(643摘要

深证成指日收益率波动的实证研究……时晶晶  李汉东(646摘要

NPV、或然决策与实物期权……李红刚    茜(649摘要

 

 

Stochastic order on diffusion path spaces……Zhang Xu551

The direct component model of Chinese characters……Li Yong  Zhou Xiaowen554

Characterization of étale φ-modules via cyclic cohomology……Cao Lei558

Boundedness on class of parabolic maximal operators with rough kernel……Chen Yanping561

Minkowski integral formulas of closed oriented hyper surface in space forms……Su Xiaole565

Representation of harmonic functions in half plane……Yan Feng  Deng Guantie570

A new proof of the new strong maximum principle……Sun Wenmin574

A honeycomb type central configuration of N-body problem……Liu Wenzhong  Xu Bin  Wang Huan  Zhang Tongjie576

Refractometric study on binary solution of ethyl acetate-ethylbenzene……Xin Duqiang  Zhu Min  Xie Yanlei  Zhang Tao579

An improved watershed transform for brain MR image segmentation……Li Rongyan  Xiong Wensheng  Cao Dianguo582

Non-Rutherford scattering cross sections for 160° backscattering of 0.42.6 MeV protons from aluminum……Sun Xufang  Wang Rong  Liu Yunhong  Wang Guangfu585

A setup for external beam PIXE in Beijing Normal University……Lu Yongfang  Wang Guangfu588

Data mining for image based automatic prediction of vegetable disease grade……Ren Jie  Liu Yi  Jin Xin  Bie Rongfang592

The syntheses and characterization of new armed-diazacrown ether derivatives……Wang Xiaozhu  Ma Shulan  Zhu Wenxiang  Liu Yingchun  Zhang Jing597

A theoretical study on the symmetric structure of N-protonated porphine……Liao Yuting  Ma Siyu601

Comparison between cleistogamy and chasmogamy in perennial herb Viola yedoensis (Violaceae)……Liu Qili  Liu Xiangmei  Liu Weiwei  LiaoWanjin605

Latent class analysis of trait anxiety……Li Xueyan  Xin Tao610

Models for estimating pollutant reduction in rivers during freezing period……Zheng Qiuhong  Wu Yongqiu  Zhang Yongguang615

Impact of climate change on temperate grassland in Northern China……Li Xia   Li Xiaobing  Wang Hong  Yu Feng   Yu Hongjing   Yang Hua618

A study on land carrying capacity in Ejina oasis……Ge Rile  Cheng Hong  Zou Xueyong  Wang Shengtang  Zhang Chunlai624

3D power line reconstruction by epipolar constraint in helicopter power line inspection system……Zhang Wuming  Yan Guangjian  Li Qiaozhi  Zhao Wei629

Discussion on virtual water and virtual water trade……Wang Hongrui  Dong Yanyan  Wang Junhong  Han Zhaoxing633

Initial development of evaluating jogging shoes……Shi Hongjie   Cai Yuhui   Liu Runsheng  Wang Yanju640

Model analysis on the income distribution impacts of personal income taxation policy……Zhou Ya  Liu Hailong  Xie Wenxin  Li Keqiang643

The empirical research on the volatility of the daily benefit of ingredient indexes of Shenzhen stock market……Shi Jingjing  Li Handong646

Contingent decisions and real options……Li Honggang  Fu Xi649