查询词典 explicit difference scheme

This paper defines a strong security model for multi-recipient signcryption scheme in the random oracle model, which is semantically secure against adaptive chosen-ciphertext insider attack, existentially forgeable chosen-message attack and anonymous chosen-ciphertext insider attack. By analyzing, we point out that Li-Hu-Liu Multi-Recipient Signcryption Scheme is insecure against the adaptive and anonymous chosen-ciphertext insider attacks.

摘要在随机预言模型下定义了一个多接收者签密方案的强安全性模型，该模型满足适应性选择密文内部攻击安全性、选择消息抗存在性伪造和密文匿名安全性；通过分析指出， Li、Hu和Liu等人提出的多接收者签密方案，不具有适应性选择密文内部攻击安全性和密文匿名性，并给出所定义强安全性模型中的攻击方法；随后提出改进方案，该方案在强安全模型中证明是安全的。

A review on the researches about co-enzyme NADH model compounds was given in the first part of this thesis. In the second part, some new synthetically useful reactions employing Hantzsch ester were discussed which are summarized as following (Scheme 1):Scheme 11 The selective reduction of the exocyclic double bond of the 4-arylmethylene- and 4-alkylidene-4H-isoxazol-5-ones and 4-arylmethylene-4H- pyrazol- 5-ones was achieved by using Hantzsch 1, 4-dihydropyridine as the reducing agent in ethanol.

论文包括两个部分：我们在第一部分对辅酶NADH模型化合物的研究作了综述，第二部分是反应研究，分为四章，我们发现和发展了辅酶NADH模型化合物—汉斯酯参与的几个具有合成价值的新反应和体系。

By a serial experimental ricingMe chose a corresponing scheme which is simpler and material is cheaPerrtfter the failure of the fiot radioachve exPerimen We imNd the scheme, and total yield is more than 40%.

经实验筛选，我们确定了一条符合本实验室条件的，原料相对比较便宜，操作比较简单的合成路线。

The comparison of the forementioned two schemes, especially the performance of PSS for model/object mismatch; and the comparison of PSS scheme and the scheme of feedforward + PT indicates that simulation result validates the performance of generic model control method.

比较了2种方案，着重考察了模型/对象失配时拟稳态控制方案的性能；并将拟稳态控制方案与前馈+PI控制方案做了对比。实验证实了文中提出的一般模型控制方法的有效性。

Unfortunately,in this work, security analysis was given to the scheme and results showed that the scheme was forgeable and repudiative.

通过对Zhou的方案进行安全分析，指出该方案具有伪造性和否认性，并给出相应的攻击方法。

Methods In the treatment group, 56 patients suffering from advanced gastroenteric tract tumor were treated with HCPT chemotherapy scheme, and in the control group 36 patients were treated with no HCPT scheme.

治疗组56例晚期消化道肿瘤患者，应用含HCPT化疗方案治疗，对照组36例晚期消化道肿瘤患者，应用不含HCPT化疗方案治疗。

Methods In the treatment group,56 patients suffering from advanced gastroenteric tract tumor were treated with HCPT chemotherapy scheme,and in the control group 36 pa tients were treated with no HCPT scheme.

治疗组56例晚期消化道肿瘤患者，应用含HCPT 化疗方案治疗，对照组36例晚期消化道肿瘤患者，应用不含HCPT化疗方案治疗。

The parameterization scheme of sea surface turbulent fluxes in CAM3 (Community A tmosphere Model Version 3) was improved by the parameterization for win d gustiness, which considers the contribution to sea surface fluxes by the bound ary free convective and precipitation convective. The new parameterization schem e is named CAM3 ME scheme.

通过对流性阵风参数化方法，在CAM3原有海气湍流通量参数化方案(CAM3方案)中引入边界层自由对流和降水深对流对海表湍流通量的贡献，改进了CAM3模式的海气湍流通量参数化方案(CAM3 ME方案)。

Compared with Harn's scheme and its further modification,the proposed scheme requires smaller communication cost,and achieves more secrecy of data transmission.

该方案与Harn的方案及其改进方案相比，所要求的通信代价小，数据传输更安全。

Based on Harn抯 digital signature scheme and zero-knowledge proof, an authentication access control scheme for information protection system is presented in this paper.

基于Harn数字签名方案和零知识证明，针对信息保护系统构造了一种认证存取控制方案。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。