نتایج جستجو برای: separation system

تعداد نتایج: 2329581  

2007
Anatoly M. Tsirlin Vladimir Kazakov T. S. Romanova

In this paper the problem of finding the optimal separation sequence for a three-component mixture in a two-stage separation system is considered. Two solutions are obtained. The first minimizes the energy used, subject to a given flow rate of the input mixture, by selecting optimal separation sequence and by distributing the contact surfaces between the first and second stages optimally. It is...

2005
Tatsuya Suzuki Keisuke Itoh Atsushi Ikeda Yasuhiko Fujii Masaki Ozawa Mitsuo Hara Toshiaki Mitsugashira

The group separation of trivalent actinides and lanthanides and the mutual separation of americium and curium are necessary for the transmutation of americium. We have proposed the separation system based on the chromatography using the tertiary pyridine-type resin. In this separation system, the complete separation method of the trivalent actinides and lanthanides are already established using...

2002
Vytautas Stuikys Robertas Damasevicius Giedrius Ziberkas Giedrius Majauskas

We discuss the application of the metaprogramming techniques for soft IP design. Two metaprogramming paradigms are considered: the internal (using capabilities of the single language) and external (based on the usage of the target language and external metalanguage simultaneously) ones. The novelty of our approach is that we apply the concept of the multi-dimensional separation of concerns impl...

2001
Heinz Mathis Scott C. Douglas

The search for universally applicable nonlinearities in blind signal separation has produced nonlinearities that are optimal for a given distribution, as well as nonlinearities that are most robust against model mismatch. This paper shows yet another justification for the score function, which is in some sense a very robust nonlinearity. It also shows that among the class of parameterizable non...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند 1388

a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...

Journal: :journal of mathematical modeling 2015
gauri shanker seth prashanta kumar mandal rohit sharma

steady hydromagnetic couette flow of class-ii of a viscous, incompressible and electrically conducting fluid through a porous medium in a rotating system taking hall current into account is investigated. heat transfer characteristics of the fluid flow are considered taking viscous and joule dissipations into account. it is noticed that there exists flow separation at the moving plate in the sec...

Journal: :Science 2015
Patrick L Kelly Steven A Rodney Tommaso Treu Ryan J Foley Gabriel Brammer Kasper B Schmidt Adi Zitrin Alessandro Sonnenfeld Louis-Gregory Strolger Or Graur Alexei V Filippenko Saurabh W Jha Adam G Riess Marusa Bradac Benjamin J Weiner Daniel Scolnic Matthew A Malkan Anja von der Linden Michele Trenti Jens Hjorth Raphael Gavazzi Adriano Fontana Julian C Merten Curtis McCully Tucker Jones Marc Postman Alan Dressler Brandon Patel S Bradley Cenko Melissa L Graham Bradley E Tucker

In 1964, Refsdal hypothesized that a supernova whose light traversed multiple paths around a strong gravitational lens could be used to measure the rate of cosmic expansion. We report the discovery of such a system. In Hubble Space Telescope imaging, we have found four images of a single supernova forming an Einstein cross configuration around a redshift z = 0.54 elliptical galaxy in the MACS J...

2002
Cláudia Mesquita Simone Diniz

In this position paper we discuss the identification of concerns related to personalization mechanisms. We propose using scenarios to extract systems requirements, user’s task, and related features. We argue that if we clearly identify the personalization-related concerns, we could add a posteriori personalization features to legacy systems, following an advance separation of concerns such as a...

Journal: :Signal Processing 2009
Yannick Deville Shahram Hosseini

While most reported source separation methods concern linear mixtures, we here address the nonlinear case. Even for a known nonlinear mixing model, creating a system which implements the exact inverse of this model is not straightforward for most nonlinear models. We first define a large class of possibly nonlinear models, i.e. ”Additive-Target Mixtures” (ATM), for which this inversion may be a...

1990
Ravi S. Sandhu

We describe a novel general-purpose mechanism for enforcing separation of duties in computerized information systems. This mechanism of transaction control expressions has close similarities to traditional controls in manual paper-based systems. It has the great bene t of intuitive simplicity, in both concept and implementation.

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