نتایج جستجو برای: analytical systems

تعداد نتایج: 1327801  

2016
Mehmet C. Tarhan Nicolas Lafitte Yannick Tauran Laurent Jalabert Momoko Kumemura Grégoire Perret Beomjoon Kim Anthony W. Coleman Hiroyuki Fujita Dominique Collard

Monitoring biological reactions using the mechanical response of macromolecules is an alternative approach to immunoassays for providing real-time information about the underlying molecular mechanisms. Although force spectroscopy techniques, e.g. AFM and optical tweezers, perform precise molecular measurements at the single molecule level, sophisticated operation prevent their intensive use for...

2007
Lena-Maria Öberg

Preservation of information is not a new issue but preservation of digital information has a relatively short history. Since the 60’s when computers began to be used within administration, digital information that has had to be preserved over time. The problem addressed in this research is how to preserve understandable information over time. Information is context dependent, which means that w...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Bruno G De Geest John Paul Urbanski Todd Thorsen Jo Demeester Stefaan C De Smedt

Microgels are promising materials in drug delivery and biomedicine. Although monodisperse microgels would offer considerable advantages, most microgels investigated and used today are polydisperse in size. We report on the fabrication of 10 mum sized monodisperse microgels by emulsifying an aqueous dextran-hydroxyethyl methacrylate (dex-HEMA) phase within an oil phase at the junction of microfl...

Journal: :Decision Support Systems 2006
Younghwa Lee Kenneth A. Kozar

This study investigates website quality factors, their relative importance in selecting the most preferred website, and the relationship between website preference and financial performance. DeLone and McLean’s IS success model extended through applying an analytic hierarchy process is used. A field study with 156 online customers and 34 managers/designers of e-business companies was performed....

2012
Nanduri R. Prabhakar Gregg L. Semenza

Institute for Integrative Physiology and Center for Systems Biology of O2 Sensing, Biological Sciences Division, University of Chicago, Chicago, Illinois; and Vascular Program, Institute for Cell Engineering; Departments of Pediatrics, Medicine, Oncology, Radiation Oncology, and Biological Chemistry; and McKusick-Nathans Institute of Genetic Medicine, The Johns Hopkins University School of Medi...

Journal: :Molecular ecology resources 2009
Karen K Martien Dave Gregovich Mark V Bravington André E Punt Allan E Strand David A Tallmon Barbara L Taylor

tossm (Testing of Spatial Structure Methods) is a package for testing the performance of genetic analytical methods in a management context. In the tossm package, any method developed to detect population genetic structure can be combined with a mechanism for creating management units (MUs) based on the genetic analysis. The resulting Boundary-Setting Algorithm (BSA) dictates harvest boundaries...

2002
Gerd Stumme

A Conceptual Information System consists of a database together with conceptual hierarchies. The visualization of arbitrary combinations of conceptual hierarchies by nested line diagrams allows an on-line interaction with a database to analyze data conceptually. The chapter describes the conception of Conceptual Information Systems and discusses the use of their visualization techniques for On-...

1996
Alexander Kott

We describe a group of related approaches to quantitative evaluation and prioritization of system requirements and proposals. In formulating requirements for new systems, analysts face difficult tasks of selecting between alternative requirement decompositions, identifying questionable or low-priority requirements, eliminating requirements that add unnecessary costs, projecting cost impact of t...

2008
Yuan Yun Yangmin Li

Since many applications in precision engineering will strongly require a careful isolation of the process from the vibration environment to provide a sufficiently quiescent gravity environment, the active isolation system which can achieve a very low remaining vibration level has become more and more important in recent years. In this paper, a general dynamic model of a kind of parallel platfor...

2008
M. H. Vahidnia A. Alesheikh A. Alimohammadi A. Bassiri

Analytical Hierarchy Process (AHP), as a multiple criteria decision making tools especially in the problems with spatial nature or GIS-based. In addition this study treats the steps AHP, its manner to apply and its weaknesses and strengths and ultimately the fuzzy modified Analytical Hierarchy Process (FAHP) which is proposed after that the concepts like of fuzziness, uncertainty and vagueness ...

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