نتایج جستجو برای: 0140
تعداد نتایج: 177 فیلتر نتایج به سال:
Surveillance of healthcare-associated infections is central to healthcare epidemiology and infection control programmes and a critical factor in the prevention of these infections. By definition, the term 'infection prevention' implies that healthcare-associated infections may be preventable. The purpose of surveillance is to provide quality data that can be used in an effective monitoring and ...
I first summarize Baltag and Smets’ contribution to this volume, and praise their work. Then I compare the anti-lexicographic plausibility update that they propose to a proposal by Aucher, as an illustration of the difference between a qualitative and a quantitive formulation of updates. I quote Spohn’s original work that is at the root of research in plausibility updates and of the notion of a...
This report summarizes progress in image understanding research at the University of Massachusetts over the past year. Many of the individual efforts discussed in this paper are further developed in other papers in this proceedings. The summary is organized into several areas: 1. Mobile Robot Navigation 2. Motion and Stereo Processing 3. Knowledge-Based Interpretation of Static Scenes 4. Image ...
The net balance of matrix metalloproteinases (MMP) and tissue inhibitor of metalloproteinases (TIMP) system has been known to be a key factor in tumor cell invasion. In the present study, we investigated the molecular mechanisms of anti-invasive and antimigrative activity of transforming growth factor (TGF)-B1 on HT1080 human fibrosarcoma cells. In in vitro Matrigel invasion and Transwell migra...
s We compare the way two models of consciousness treat subjective timing. According to the standard "Cartesian Theater" model, there is a place in the brain where "it all comes together," and the discriminations in all modalities are somehow put into registration and "presented" for subjective judgment. The timing of the events in this theater determines subjective order. According to the alter...
Drug resistance particularly, multi drug resistance tuberculosis (MDR-TB) has emerged as a major problem in the chemotherapy of tuberculosis. Ofloxacin (OFX) has been used as second-line drug against MDR-TB. The principal target of the OFX is DNA gyrase encoded by gyrA and gyrB genes. Many explanations have been proposed for drug resistance to OFX but still some mechanisms are unknown. As prote...
This thesis investigates the synthesis of controllers for time varying systems in order to satisfy an induced 2-norm closed loop performance bound. This performance criterion is a generalisation of the well known H1 norm criterion used in the frequency domain for analysis and synthesis of linear time invariant control systems. A number of di erent time varying system frameworks are considered, ...
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