منابع مشابه
Directing thrombin.
Following initiation of coagulation as part of the hemostatic response to injury, thrombin is generated from its inactive precursor prothrombin by factor Xa as part of the prothrombinase complex. Thrombin then has multiple roles. The way in which thrombin interacts with its many substrates has been carefully scrutinized in the past decades, but until recently there has been little consideration...
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Background: The nursing students should acquire practical and theoretical competence required for the patients' care during their 4 years of education. This involves proper use of time. The purpose of this study was to investigate how nursing students manage their time despite the academic difficulties and obstacles. Methods: This qualitative study was carried out through grounded theory met...
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E arly in development, the central nervous system originates from the neural plate, which folds on itself to form the neural tube. In the cranial region, this complex morphogenesis also requires forces generated in the epithelium and mesenchyme that surround the neural tissue. The edges of the neural plate, for example, are initially pushed upwards by the underlying cranial mesenchyme (CM), whi...
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Configuration management tools have become quite adept at representing target configurations at a point in time. While a point-in-time model helps with system configuration tasks, it cannot represent the complete scope of configuration tasks needed to manage a complex environment over time. In this paper, we introduce a mechanism for representing changes over time in target configurations and s...
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Quadrotor drones equipped with high quality cameras have rapidely raised as novel, cheap and stable devices for filmmakers. While professional drone pilots can create aesthetically pleasing videos in short time, the smooth – and cinematographic – control of a camera drone remains challenging for most users, despite recent tools that either automate part of the process or enable the manual desig...
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ژورنال
عنوان ژورنال: Nature
سال: 2000
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35022686