نتایج جستجو برای: specific ampere draw

تعداد نتایج: 1068893  

2016
J. Brun-Picard S. Djordjevic W. Poirier

One major change of the future revision of the International System of Units is a new definition of the ampere based on the elementary charge e. Replacing the former definition based on Ampère’s force law will allow one to fully benefit from quantum physics to realize the ampere. However, a quantum realization of the ampere from e, accurate to within 10−8 in relative value and fulfilling tracea...

1975
Jay M. Tenenbaum S. Weyl

An Interactive Scene Interpretation System (ISIS) is being developed by Stanford Research Institute's Artificial Intelligence Center as a tool for constructing and experimenting with man-• achine and automatic scene analysis methods tailored for particular image domains. A region analysis subsystem was developed recently based on the work of Brice and Fennema, and Yaklmovsky. Using this subsyst...

Journal: :Indiana University Mathematics Journal 1967

2016
LING XIAO

In this paper, we prove long time existence and convergence results for a class of general curvature flows with Neumann boundary condition. This is the first result for the Neumann boundary problem of non Monge-Ampere type curvature equations. Our method also works for the corresponding elliptic setting.

Journal: :The Review of scientific instruments 2014
M Weiszflog S Sangaroon M Cecconello S Conroy G Ericsson I Klimek D Keeling R Martin M Turnyanskiy

This paper presents two different conceptual designs of neutron cameras for Mega Ampere Spherical Tokamak (MAST) Upgrade. The first one consists of two horizontal cameras, one equatorial and one vertically down-shifted by 65 cm. The second design, viewing the plasma in a poloidal section, also consists of two cameras, one radial and the other one with a diagonal view. Design parameters for the ...

Journal: :Journal of Research of the National Institute of Standards and Technology 2001

2016
Sylvain Barraud Romain Lavieville Louis Hutin Maud Vinet Andrea Corna Paul Clapera Marc Sanquer Xavier Jehl Alexander V. Sergienko

The definition of the ampere will change in the next few years. This electrical base unit of the S.I. will be redefined by fixing the value of the charge quantum, i.e., the electron charge e. As a result electron pumps will become the natural device for the mise en pratique of this new ampere. In the last years semiconductor electron pumps have emerged as the most advanced systems, both in term...

2015
Eugenio Pugliese Riccardo Meucci Stefano Euzzor Joana G. Freire Jason A. C. Gallas

We report a detailed experimental study of the complex behavior of a dc low-pressure plasma discharge tube of the type commonly used in commercial illuminated signs, in a microfluidic chip recently proposed for visible analog computing, and other practical devices. Our experiments reveal a clear quasiperiodicity route to chaos, the two competing frequencies being the relaxation frequency and th...

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