introduction: embryonic stem (es) cells are pluripotent cells derived from inner cell mass of blastocyst. these cells can product any cell by spontaneous or directed differentiation. this study was started to produce neuron cells by directed differentiation of new murine es cell line in vitro. materials and methods: murine es cells (royan b1 derived from c57bl/6 strain) were used for in vitro n...

Cooperatively shared wide-area omputing platforms, su h as PlanetLab, provide a large pool of geographi ally distributed resour es whi h an be utilized for building highly available and s alable servi es. In this thesis, we present me hanisms and models for building autonomi ally s alable and resilient servi es on su h platforms. In su h platforms resour es at a node are allo ated to ompeting u...

Reproducibility is imperative for any scientific discovery. More often than not, modern scientific findings rely on statistical analysis of high-dimensional data. At a minimum, reproducibility manifests itself in stability of statistical results relative to “reasonable” perturbations to data and to the model used. Jacknife, bootstrap, and cross-validation are based on perturbations to data, whi...

In this paper, we derive subgrid-scale models based on the numerical approximation of in-cremental scales. The velocity eld is decomposed into large (resolved), incremental and small (subgrid) scales. A quasi-static approximation, introduced in previous works, is applied to the incremental scales. This treatment provides an accurate approximation of the subgrid-scale energy. However, it induces...

an experiment was conducted to evaluate the extracted (es) and mechanical (ms) soybean meals two levels 25% and 35% in broiler chicken feeding. three hundred and fifty two one-day-old unsexed lohman chickens were placed in four treatments by 4 replicates and 22 chickens in each in a 2×2 factorial arrangement. feed intake was increased significantly in starter period by es in comparison with ms....

background new research proposes the pluripotency of spermatogonial cells obtained from testis. these spermatogonia-derived stem cells are called embryonic stem-like cells that express embryonic stem cell markers and differentiate to the three germ layers. objectives the aim of the present study was to generate embryonic stem-like cells from neonatal mouse testis. materials and methods the test...

Evolutionary games have considerable unrealized potential for modeling substantive economic issues. They promise richer predictions than orthodox game models but often require more extensive speci®cations. This paper exposits the speci®cation of evolutionary game models and classi®es the possible asymptotic behavior for one and two dimensional models.

Enterprise Systems are formidable and powerful information systems that have positioned themselves as a landmark in the evolution of Information Technology. The selection, implementation, use and continuous change of Enterprise Systems (ES) (e.g. mySAP.com) require a great amount of knowledge and experience. Due to the lack of inhouse ES knowledge and the high costs of engaging experienced impl...