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key sequence     
相关语句
  密钥序列
     Based on the description of the wired equivalent privacy (WEP) protocol in IEEE802.11 WLAN standard,some serious security drawbacks such as key sequence reuse, message authentication and integrity in the way of design and practical application are studied in depth.
     在对无线局域网WLAN标准IEEE80 2 .11的WEP描述的基础上 ,笔者深入研究了WEP协议的设计上和实际应用中存在的密钥序列重复使用、消息认证和完整性等严重安全漏洞 ;
短句来源
     Among the algorithmic design, the corresponding solution to the problems of transforming from the real sequence to binary sequence and precision in the chaotic stream cipher is put forward, and more efficient algorithm and better randomness of key sequence are obtained.
     在算法的设计中,我们对混沌序列密码所面临的实数序列到二进制序列的转化和精度等问题采取了相应的解决方法,从而获得较高的算法执行效率和良好的密钥序列随机性。
短句来源
     729.Two OCOML(one-way coupled map lattice) system in send and receive part were drived by the same chaotic signal and reach to synchronize. The output of spatiotemporal chaotic is used to cryptographic key sequence of encryption and decryption. The couple parameter of OCOML is main cryptographic key.
     729协议对语音信号进行编解码,收、发端两个单向耦合映射格点(OCOML)系统被同一混沌信号所驱动而达到同步,时空混沌输出信号分别用作加密和解密密钥序列,OCOML的耦合参数为系统的主密钥。
短句来源
     The results of experiment suggest that the key sequence is independently and weak correlation.
     实验结果表明,由该系统产生的密钥序列具有均匀性,相关性小的特点。
短句来源
     This thesis studied the statistical tests of cryptographic algorithms and the design of s-box, several principal achievements have been obtained as follows:1) Systematic summarized the statistical tests of various cryptographic algorithms. A major study is programming realized the randomness tests of stream cipher key sequence generator, the randomness tests, diffusion tests, and the effectiveness tests of key changing on block cipher.
     本文主要研究了密码的统计测试和S盒的设计准则,取得了下述一些研究成果:1)系统总结了各类密码算法的统计测试方法,并编程实现了序列密码之密钥序列发生器的随机性检测和分组密码算法的随机性、扩散性以及密钥更换有效性等测试;
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  关键序列的
     The results of searching in the Eukaryotic Promoter Database show that the +2~-71 region of this sequence is about 50% similarity to the key sequence of tomato pollen special gene LAT52 promoter and sunflower anther special gene SF2 promoter.
     通过EPD(TheEukaryoticPromoterDatabase)的比较发现 ,序列的 + 2~ - 71区域与番茄 (Lycopersiconescu lentum)花粉特异基因LAT5 2 ,向日葵 (Helianthusannuus)花药特异基因SF2启动子关键序列的同源性为 5 0 %左右
短句来源
  “key sequence”译为未确定词的双语例句
     The nonlinear combining sequences as an important key sequence generators, its design and analysis are always hotspot and difficulty of stream cipher?
     非线性组合序列作为一类重要的密钥流生成器,其设计和分析一直是流密码研究的热点和难点。
短句来源
     The key sequence boundaries with different orders, the lasting time of different sequences and the characteristic of every sequence are studied.
     研究了层序的持续时限及限定地层层序级别的关键性界面,并分析了层序的沉积特征。
短句来源
     These transfer zone adjusted the structure style and the framework. 5.The key sequence borders in lower Paleozoic were T74、T70.They were controlled by keytectonic events and displayed composite.
     (5)塔中地区下古生界关键层序界面为 T74、T70,这些关键层序界面的属性也表现出复合的特点:表现为岩性--时间界面,在不同的构造部位表现出不同的特点;
短句来源
     Since the security of stream cipher depends on the randomness of key sequence and the intensity of the initial key, first we analyze sensitiveness of Lorenz chaotic system to initial conditions and parameters, and non-periodicity and pseudo-randomness of the chaotic sequence generated by Lorenz chaotic system. The optimum domain of initial values and parameters is obtained.
     由于序列密码算法的安全性依赖于密钥序列的随机性和初始密钥的强度,我们首先从动力系统的运动性态着手,分析了Lorenz混沌系统对初始条件和参数的敏感性以及由其生成的混沌序列的非周期性和类随机性,得出初值和参数的最佳取值范围。
短句来源
     Since Lorenz chaotic system is a three-dimension dynamic system, we use the operation of one-time three bytes while doing iteration, which increase not only the processing speed, but also the period and randomness of the key sequence.
     由于Lorenz混沌系统是一个三维的动力系统,我们在算法中采用一次对三个字节进行运算的方法,从而不仅提高了处理速度,还增大了密钥序列的周期和随机性。
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  key sequence
These results suggest that the three catecholamine end products exert their inhibition on tyrosine hydroxylase to the same extent and that the N-terminal 52 amino acid residues contain the key sequence in mediating the inhibitory action.
      
Preliminary experiment results have revealed that such case indexes utilizing key sequence information result in substantial performance improvement for the underlying case-based reasoning system.
      
Concise case indexing of time series in health care by?means of key sequence discovery
      
Initial cellular and histochemical studies have established the systems and indicated the key sequence of events during the infection process.
      
When local oxygen tension decreases, accumulated HIF binds to the key sequence of the EPO gene, the hypoxia-responsive element (HRE), and activates transcription of EPO.
      
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Some mathematical property is discussed in regard to the state sequence of composition of two autonomous finite automata, and a realization of cipherment of finite, automata and an analysis of its security are presented in the micro computer IBM-PC, fn addition the Chi-square test for the well distributed of cipherment text and working key sequences, and the statistical result for the run-length of cipherment texts and working key sequences are also presented.

讨论两个自治有限自动机复合的状态序列的一些数学性质.给出在微型计算机IBM-PC上有限自动机密码的一种实现及其保密性能的分析,并附有关于密文和乱数序列的均匀分布的X~2检验及密文和乱数序列中游程长的统计结果.

P6A was able to increase coronary blood flow and improve hemodynamics in the coronary thrombosis model of dogs In the binding of fibrinogen to GP IIb/IIIa,RGD is the key sequence In the present paper the effects of the coupling compounds of P6A and its derivatives,QP6A with RGDS,RGDV and RGDF were tested The effects of the coupling compounds so obtained on carotid thrombosis in rats were investigated At the dose of 5 μmol/kg,RGDS and RGDV exhibited no antithrombotic effects,whereas at 2.5μmol/kg RGDF decreased...

P6A was able to increase coronary blood flow and improve hemodynamics in the coronary thrombosis model of dogs In the binding of fibrinogen to GP IIb/IIIa,RGD is the key sequence In the present paper the effects of the coupling compounds of P6A and its derivatives,QP6A with RGDS,RGDV and RGDF were tested The effects of the coupling compounds so obtained on carotid thrombosis in rats were investigated At the dose of 5 μmol/kg,RGDS and RGDV exhibited no antithrombotic effects,whereas at 2.5μmol/kg RGDF decreased the dry-weight ofthrombus significantly On the other hand,P6A(5μmol/kg)and QP6A(2.5μmol/kg)showed significant antithrombosis activities.All of the coupling compounds,except P6A-RGDF and QP6A-RGDF,had potent antithrombosis effects.

在狗的冠脉血栓模型上,P6A可以增加冠脉血流量,并改善血流动力学。纤维蛋白与GPIIb/IIIa受体结合时,RGD是关键序列。本文测了P6A,QP6A与RGDS,RGDV,及RGDF生成的偶联化合物的效应。研究了这些偶联化合物的抗动脉血栓作用。在5μmol/kg剂量下,RGDS和RGDV不显示抗血栓活性,而在2.5μmol/kg剂量下,RGDF却能够明显减小血栓干重。此外,P6A(5μ/mol/kg)和QP6A(2.5μmol/kg)显示明显的抗血栓活性。除P6A-RGDF和QP6A-RGDF以外,所有的偶联化合物都有强抗血栓作用。

In the interaction between fibrinogen and GP Ⅱ b/Ⅲ a,RGD is the key sequence.In the present paper the conformations of RGDS,RGDV and RGDF were calculated with the Discover program designed by the Biosym company.The results indicated that among the R helix, L helix and beta conformations under vacum,in water and in octanol was the stable conformation with the lowest energy.For beta conformation the total energy of GRDF was significantly higher than those of RGDS and RGDV.The effects of RGDS,RGDV...

In the interaction between fibrinogen and GP Ⅱ b/Ⅲ a,RGD is the key sequence.In the present paper the conformations of RGDS,RGDV and RGDF were calculated with the Discover program designed by the Biosym company.The results indicated that among the R helix, L helix and beta conformations under vacum,in water and in octanol was the stable conformation with the lowest energy.For beta conformation the total energy of GRDF was significantly higher than those of RGDS and RGDV.The effects of RGDS,RGDV and RGDF on thrombosis could be related to the total energy.All of these suggesed that conformation energy might be useful in the design of RGD containing peptides.

血小板活化时,表面GPⅡb/Ⅲa受体变构,与纤维蛋白结合形成血栓.纤维蛋白识别GPⅡb/Ⅲa受体时,RGD(Arg-Gly-Asp)是关键序列.含RGD多肽可以竞争GPⅡb/Ⅲa受体,进而阻断血栓形成进程.作者注意到,含RGD多肽的抗血栓活性与构象关系密切.采用Biosym公司设计的Discover程序,计算了RGDS(Arg-Gly-Asp-Ser),RGDV(Arg-Gly-Asp-Val)和RGDF(Arg-Gly-Asp-Phe)在真空下、在水中和在正辛醇中的右手螺旋、左手螺旋及β伸展构象,讨论了构象对抗血栓活性的影响

 
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