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Chinese Science Bulletin 1998年第1期43卷 24-27页

作者： yu xiuyuan hangzhou teachers college, hangzhou 3.0012, china hangzhou teachers college Hangzhou China

For the transcendency of the limit of a sequence of algebraical functions, a theorem is given.

关键词： algebraical functions limit transcendency.

A New (t, n) Threshold Signature Scheme Withstanding the Conspiracy Attack

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Wuhan University Journal of Natural Sciences 2005年第1期10卷 107-110页

作者： XIE Qi 1,2, yu Xiu-yuan 3 1.Department of Mathematics, Zhejiang University, hangzhou 310027, Zhejiang,china 2.School of Information and Engineering, hangzhou teachers college, hangzhou 3.0012, Zhejiang, china 3.hangzhou teachers college, hangzhou 3.0012, Zhejiang, china Zhejiang University Department of Mathematics Hangzhou China (GRID:grid.13402.34) (ISNI:***) Hungzhou teachers college School of Information and Engincering Hangzhou China (GRID:grid.13402.34) hangzhou teachers college Hangzhou China (GRID:grid.13402.34)

A ccmspiracy attack is proposed to show that Wang-Li's scheme is instcure,because any t or more group members can impersonate other t member to sign any message withoutholding the responsibility. To avoid the conspiracy attack, this paper prestentsa new (t,n)threshold signature scheme with traceablt signers. A (t. n) threshold signature scheme allows t ormore group members of the group lo generate a signature on behalf of the group, Any less than tmembers cannot generate a valid signature, andany set of the group cannot impersonate another set ofmembers to sign any message without holding the responsibility. In case of disputes., the thresholdsignature can be opened, so that the original signers ean be traced without repealing the secretkeys.

关键词： cryptography threshold signature conspiracy attack identifier tracing

Synthesis,Crystal Structure and Studies on the Noncovalent Interaction of [Zn(BpheO)_(2)(phen)]_(2)·2CH_(3)OH·3H_(2)O

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Chemical Research in Chinese Universities 1997年第4期13卷 106-111页

作者： SHEN Liang * and SHENG Guo ding (Department of Chemistry, hangzhou teachers college, hangzhou, 3.0012) GONG yu qiu (Department of Chemistry, hangzhou University, hangzhou, 310028) yu Kai bei (Analytical Center, Chengdu Branch, Academia Sinica,

Ｓｙｎｔｈｅｓｉｓ，ＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅａｎｄＳｔｕｄｉｅｓｏｎｔｈｅＮｏｎｃｏｖａｌｅｎｔＩｎｔｅｒａｃｔｉｏｎｏｆ［Ｚｎ（ＢｐｈｅＯ）２（ｐｈｅｎ）］２·２ＣＨ３ＯＨ·３Ｈ２ＯＳＨＥＮＬｉａｎｇ＊ａｎ... 详细信息

Ｓｙｎｔｈｅｓｉｓ，ＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅａｎｄＳｔｕｄｉｅｓｏｎｔｈｅＮｏｎｃｏｖａｌｅｎｔＩｎｔｅｒａｃｔｉｏｎｏｆ［Ｚｎ（ＢｐｈｅＯ）２（ｐｈｅｎ）］２·２ＣＨ３ＯＨ·３Ｈ２ＯＳＨＥＮＬｉａｎｇ＊ａｎｄＳＨＥＮＧＧｕｏ－ｄｉｎｇ（Ｄｅ...

关键词： Ternary complex 1,10 Phenanthroline N benzoyl DL phenylalaninate

A New （t, n） Threshold Signature Scheme Withstanding the Conspiracy Attack

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A New （t, n） Threshold Signature Scheme Withstanding the C...

Cysteinyl leukotriene receptor 1 partially mediates brain cryoinjury in mice

The 1st Chinese Conference on Trusted Computing and Information Security

作者： XIE Qi, yu Xiu-yuan Department of Mathematics,Zhejiang University. hangzhou 310027. Zhejiang,china: School of Information and Engineering, hangzhou teachers college. hangzhou ,3.0012. Zhejiang, china hangzhou teachers college, hangzhou 3.0012, Zhejiang, china

＜正＞ A conspiracy attack is proposed to show that Wang-Li’s scheme is insecure, because any t or more group members can impersonate other t members to sign any message without holding the responsibility. To avoid t... 详细信息

关键词： cryptography threshold signature conspiracy attack identifier tracing

来源： cnki会议评论

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Acta Pharmacologica Sinica 2007年第7期28卷 945-952页

作者： Qian DING~2,San-hua FANG~2,yu ZHOU~2,Li-hui ZHANG~3,Wei-ping ZHANG~2,Zhong CHEN~2,Er-qing WEI~(2,4)~2 Department of Pharmacology,School of Medicine,Zhejiang University,hangzhou 310058,china ~3 Department of Pharmacology,Schoolof Medicine,hangzhou teachers college,hangzhou 3.0012,china Department of Pharmacology School of Medicine Zhejiang University Hangzhou310058 China. weieq2001@***.

Aim:To determine whether the cysteinyl leukotriene receptor 1（CysLT1receptor）modulates brain cryoinjury and whether the CysLT1receptor antagonist pranlukastexerts a time-dependent protective effect on cryoinjury in ***:Braincryoinjury was induced by applying a liquid nitrogen-cooled metal probe to thesurface of the skull for 30 *** lesion,neuron density,and endogenous IgGexudation were observed 24 h after *** and the expressionof the CysLT1receptor were detected by RT-PCR and immunoblotting,and thelocalization of the receptor protein by double ***:ThemRNA and protein expressions of the CysLT1receptor were upregulated in thebrain 6-24 h after cryoinjury,and the CysLT1receptor protein was primarily local-ized in the neurons,not in the astrocytes or ***-injury treatments withmulti-doses and a single dose of pranlukast （0.1 mg/kg） attenuated cryoinjury;postinjury single dose （0.1 mg/kg） at 30 min （not 1 h） after cryoinjury was ***:The CysLT1receptor modulates cryoinjury in mice at leastpartly,and postinjury treatment with its antagonist pranlukast exerts the protec-tive effect with a therapeutic window of 30 min.

关键词： cysteinyl leukotriene receptor antagonist pranlukast cryoinjury neuroprotection

An attack on hash function HAVAL-128

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Science in china(Series F) 2005年第5期48卷 545-556页

作者： WANG Xiaoyun FENG Dengguo yu xiuyuan School of Mathematics and System Sciences Shandong University Jinan 250100 China Institute of Software Chinese Academy of Sciences Beijing 100080 China Mathematics Department Hangzhou Teachers College Hangzhou 310012 China

Abstract In this paper, we give a fast attack against hash function HAVAL-128. HAVAL was presented by Y. L. Zheng et al. at Auscrypto＇92. It can be processed in 3, 4 or 5 passes, and produces 128, 160, 192, or 224-bit fingerprint. We break the HAVAL with 128-bit fingerprint. The conclusion is that, given any 1024-bit message ra, we just make some modifications about m, and the modified message ra can collide with another message m only with probability 1/2^7, where m = m ＋ △m, in which △m is a fixed difference selected in advance. In addition, two collision examples for HAVAL-128 are given in this paper.

关键词： hash function collision differential attack differential characteristic

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中华人民共和国奥林匹克运动发展研究

体育科学 2004年第6期24卷 7-9,24页

作者：曹守和赵玉梅韩志芳杭州师范学院浙江杭州310012 河北体育学院河北石家庄050041

采用文献资料调研和调查访问法,对中国发展奥林匹克运动取得的成绩、经验,以及存在问题和发展思路等进行了探讨,旨在进一步促进奥林匹克运动的发展。研究结果表明:中华人民共和国在发展奥林匹克运动方面取得了令人瞩目的成绩,采用举... 详细信息

采用文献资料调研和调查访问法,对中国发展奥林匹克运动取得的成绩、经验,以及存在问题和发展思路等进行了探讨,旨在进一步促进奥林匹克运动的发展。研究结果表明:中华人民共和国在发展奥林匹克运动方面取得了令人瞩目的成绩,采用举国体制、健全相关组织、竞技体育先行、重视奥林匹克运动的教育和宣传等,是我们的宝贵经验。存在的主要问题:对奥林匹克运动本质的认识与开发不够、群众体育和竞技体育的发展欠协调、政治色彩过浓而人文精神不足、积极输出民族文化不够等。

关键词：奥林匹克运动成绩发展中国

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不同利用方式下红壤内在性质的演化

土壤通报 2004年第2期35卷 149-151页

作者：陈永强俞劲炎杭州师范学院生命科学学院杭州310036 浙江大学环境与资源学院杭州310029

对六个不同利用方式的红壤退化试验小区的理化、生物学性质进行了分析,结果表明:随着植被的退化,水土流失加剧,土壤容重增加,孔度减小,结构性变差;从常绿阔叶林→草地→裸露地,有机质、全氮、土壤微生物量及其酶活性也都随之下降,而CEC... 详细信息

对六个不同利用方式的红壤退化试验小区的理化、生物学性质进行了分析,结果表明:随着植被的退化,水土流失加剧,土壤容重增加,孔度减小,结构性变差;从常绿阔叶林→草地→裸露地,有机质、全氮、土壤微生物量及其酶活性也都随之下降,而CEC含量和多酚氧化酶变化却不稳定。

关键词：利用方式红壤内在性质理化性质生物学性质水土流失

IMPROVEMENT OF NONREPUDIABLE THRESHOLD MULTI-PROXY THRESHOLD MULTI-SIGNATURE SCHEME WITH SHARED VERIFICATION

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Journal of Electronics(china) 2007年第6期24卷 806-811页

作者： Xie Qi Wang Jilin yu xiuyuan college of Science Hangzhou Normal University Hangzhou 310036 China School of Information Zhejiang University of Finance ＆ Economics Hangzhou 310036 China Department of Mathematics and Physics Quzhou College Quzhou 324000 China

In 2005, Bao, et al. [Appl. Math. and Comput., vol.169, No.2, 2005] showed that Tzeng, et al.’s nonrepudiable threshold multi-proxy multi-signature scheme with shared verification was insecure, and proposed an improved scheme with no Share Distribution Center (SDC). This paper shows that Bao, et al.’s scheme suffers from the proxy relationship inversion attack and forgery attack, and pro- poses an improvement of Bao, et al.’s scheme.

关键词： Digital signature Proxy signature Threshold proxy signature Threshold multi-proxy threshold multi-signature Threshold verification

Therapeutic effect of pranlukast,a cysteinyl leukotriene receptor antagonist,on focal cerebral ischemia in mice

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Therapeutic effect of pranlukast,a cysteinyl leukotriene rec...