The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure. Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis ofOCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.

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The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure . Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis of OCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.

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The formation process of the rocks is divided for thefirst time into three cycles corresponding to J2, J3, and K1, respectively, and each cycle into early,middle, and late periods based on intruding contact relationship among different types ofgranitoids.3. A detailed study on the petrological characteristics of different cycles of theMesozoic granitoids supports classification of the rocks into three lithological associationsincluding A-type, high-K calc-alkaline, and calc-alkaline granitoids, of which the first associationbelongs to alkaline series, and the others belong to calc-alkaline series. It is shown that thelithologies change from diorite, quartz monzonite, and granodiorite to monzonitic graniteand syenogranite with periods from early to late in each cycle.4. A preliminary summarization hasbeen made on the evolution characteristics of the rocks.

首次將中生代花崗巖類劃分為J2旋回、J3旋回久久久久久久久国产一区、K1旋回等三個(gè)旋回看一级日屄黄片免费视频，并依據(jù)不同巖石類型間的侵入接觸關(guān)系，將每個(gè)旋回又劃分為早亚洲国产美女网站、中成熟丰满熟妇高朝XXⅩ、晚三期。3www.天堂网av、在詳細(xì)研究區(qū)內(nèi)中生代不同時(shí)期花崗巖類巖石特征的基礎(chǔ)上小12萝裸乳无码无遮AAAAAA，首次將區(qū)內(nèi)中生代花崗巖類劃分為堿性系列堿質(zhì)A型花崗巖類以及鈣堿性系列高鉀鈣堿性花崗巖類和鈣堿性花崗巖類等二個(gè)系列三種巖石組合類型，確定每個(gè)旋回從早期到晚期午夜免费在线污视频一区二区三区，巖石均具有從閃長(zhǎng)巖国产怡红院、花崗閃長(zhǎng)巖、石英二長(zhǎng)巖-二長(zhǎng)花崗巖-正長(zhǎng)花崗巖演化的趨勢(shì)成人免费在线观看网址视频。4人人玩人人看人人靠,人人想人人操人人、初步總結(jié)了區(qū)內(nèi)中生代花崗巖類的演化特征。

The speciality to let several coefficients of S-M algorithm are analyzed;(2) We first propose the nonlinear and adaptive prediction model based on several closest neighbors and extend the method to multistep prediction;(3) We first exploit Empirical Mode Decomposition technology to predict hopping frequency codes, it is namely that a complex time series is decomposed as several Intrinsic Mode Functions easy to prediction, then predict these IMF respectively, at last reconstruct estimated values of the time series;(4) We exploit the above prediction model validate effect while there are omitted data in observed time series and propose the corresponding resolve.

1具體分析了S-M算法中幾個(gè)參數(shù)設(shè)置的特點(diǎn)欧美日韩a√播放三区；(2)首次提出了基于鄰近點(diǎn)的非線性自適應(yīng)預(yù)測(cè)模型国产欧美黄色，同時(shí)將這種算法推廣到多步預(yù)測(cè)网禁拗女稀缺资源在线网站；(3)首次采用經(jīng)驗(yàn)?zāi)B(tài)分解技術(shù)預(yù)測(cè)跳頻碼，即將一個(gè)復(fù)雜難以預(yù)測(cè)的時(shí)間序列分解為幾個(gè)相對(duì)容易預(yù)測(cè)的本征函數(shù)九九r视频，然后分別預(yù)測(cè)這些本征函數(shù)97人人操人人色，最后重構(gòu)出時(shí)間序列的估計(jì)值；(4)應(yīng)用基于鄰近點(diǎn)的非線性自適應(yīng)預(yù)測(cè)模型驗(yàn)證了觀測(cè)時(shí)間序列存在數(shù)據(jù)缺損時(shí)的預(yù)測(cè)效果A片β片毛片免费视频，并提出了相應(yīng)的解決辦法亚州专区。

Yahoo ! IPO and in 1998 it was global coordinator of the NTT DoCoMo IPO.

首次公開招股，并于1998年是全球協(xié)調(diào)員的NTT DoCoMo公司首次公開招股AV国自拍。

Several transient compounds were synthesized by the homo- and heterogeneous reactions of reactive halogen compounds, In-situ ultraviolet photoelectron spectroscopy and photoionization mass spectroscopy as well as theoretical calculations were used to study their molecular structures, stability and molecular orbital properties, their electronic structures and geometric structures were obtained for the first time; Simultaneously, the electronic structure and thermal dissociation of acetyl peroxynitrate and trifluoroacetyl peroxynitrate which have great importance in the atmospheric chemistry were studied; The substituent effects of series of halopyridines and halothiophenes were studied by the ultraviolet photoelectron spectroscopy method for the first time. The atmospheric chemical reaction between peroxyacetyl radicals with IO radicals as well as the dissociation of the most stable isomer of CH3COIO3 were calculated by density functional theory, it was found that the CH3COOIO2 isomer may be act as a new reservoir of inorganic iodine in the stratosphere.

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Most importantly, our team are famous for much research on ecology, physiology,molecular phylogenesis of bats at home and abroad, we have gained much originative result in this field, and we firstly found and studied the third piscivorous bat, Myotis ricketti.We provide evidence that the species Myotis ricketti is piscivorous, and close negative relationships were found firstly within Rhinolophidae and Hipposideridae between call frequency and ear length. Some species of taxology status in rhinolophidae were studied by molecular phylogenesis; phylogenesis relationship between rhinolophidae and hipposideridae and different populations of miniopterus schreibersii were also studied; we also studied Social structure of Tylonycteris pachypusa and T. robustula and the isolating mechanisms of ecological niches.

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Summary In this paper, a brief history review of works on the theory of electromagnetic flowmeters is given. A method named'Alternative iteraction method for approaching real boundaries'is presented to solve Laplace's equation with mixed boundary conditions in electromagnetic flowmeters. The orthogonal expansion is used to analyze weight vectors and flow distribition effects on the sensitivity of the flowmeters.

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