the strong ground motions recorded during the 2002 avaj earthquake have been used to estimates wave attenuation, qβ, and spectral decay parameter, κ, for the avaj region. qβ for shear wave is estimatedas a function of frequency in the range of 0.6- 18 hz. the results show that qβ increases with frequency in theform of qβ=62.7 f 0.9. our estimates are within the estimated range for different par...

Arid and semi-arid lands cover around one-third of the world's terrestrial expanse and their widespread plantdistributions provide these areas with a high potential for sequestering carbon. Vegetation management for developingshrub or tree species in arid and semi-arid regions is one inexpensive and multi-purpose approach for decreasing CO2.This study assessed the potential of carbon sequestrat...

v. dannon showed that spherical curves in e4 can be given by frenet-like equations, and he thengave an integral characterization for spherical curves in e4 . in this paper, lorentzian spherical timelike andspacelike curves in the space time 41 r are shown to be given by frenet-like equations of timelike andspacelike curves in the euclidean space e3 and the minkowski 3-space 31 r . thus, finding...

results the interobserver agreement for sonographic descriptors changed between fair and substantial. the highest agreement was detected for mass orientation (κ=0.66). the lowest agreement was found in the margin (κ=0.33). the interobserver agreement for bi-rads final category was found as fair (κ=0.35). the intraobserver agreement for sonographic descriptors changed between substantial and alm...

introduction: the aim of this study was to compare a clearing technique with conventional radiography in studying certain features of the root canal system in single root premolars. a secondary aim was to assess inter examiner agreement for these features using radiographs. materials and methods: fifty-eight recently extracted single rooted premolars were included in this study. two standard pe...

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Reliable group communication is an important technology for building fault-tolerant applications. Yet, some of the major frameworks for distributed application development (e.g., Corba, Jini and Enterprise JavaBeans) lack support for this paradigm. We claim that this situation constitutes a major obstacle to a broader diffusion of reliable group communication in industrial applications. In this...