نتایج جستجو برای: free shields

تعداد نتایج: 516642  

2010
J. P. van den Bos H. J. Verhagen J. Olthof

Rubble mound near-bed structures are among the more common hydraulic structures. Examples include bottom protections to prevent scour near bridge piers, offshore structures, weirs and sluices and at the toe of bank protections or breakwaters, but also pipe covers on offshore pipelines. The cornerstone of the theory behind the design of these structures was laid by Izbash (1930) and, most notabl...

Journal: :Journal of Financial and Quantitative Analysis 2022

Abstract We examine how creditor rights affect the trade-off between non-debt and debt tax shields. Using four bankruptcy reforms a panel of private public firms from Italy, we show that laws empowering creditors reduce avoidance increase financing, consistent with substituting shields corroborate validity our findings using across 33 countries. Additionally, document impact protection is mitig...

Journal: :Discrete Applied Mathematics 2008
John Holliday Peter Johnson

It is shown that the Shields–Harary index of vulnerability of the complete bipartite graph Km,n, with respect to the cost function f (x)= 1− x, 0 x 1, is m, if n m+ 2√m, and 1 n+1 (n+m) 2 4 , ifm n<m+ 2 √ m. It follows that the Shields–Harary number ofKm,n with respect to any concave continuous cost function f on [0, 1] satisfying f (1)=0 ismf (0), if n m+2√m, and between 1 n+1 (n+m) 2 4 f (0) ...

ژورنال: سنجش و ایمنی پرتو 2014

In order to simulate neutron shields, MCNP5 calculation code was used and three types of homogeneous and separated shield multilayer arrangement, irradiated with 241Am-Be neutron sources were investigated. In these shields, the polyethylene (C2H4) and polystyrene (C8H8) were used as moderator material, and the boron carbide (B4C), as a thermal neutron absorber material and stainless steel as a ...

1986
Malcolm North

1 Research ecologist, U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1731 Research Park Dr., Davis, CA 95618. 2 Information Center for the Environment, Department of Environmental Science and Policy, One Shields Ave., University of California, Davis, Davis, CA 95616. 3 National coordinator for experimental forests and ranges, U.S. Department of Agriculture, ...

2012
Tasuku Akiyama Mitsutoshi Tominaga Auva Davoodi Masaki Nagamine Kevin Blansit Alexander Horwitz Mirela Iodi Carstens E. Carstens

AUTHORS: Tasuku Akiyama, Mitsutoshi Tominaga, Auva Davoodi, Masaki Nagamine, 4 Kevin Blansit, Alexander Horwitz, Mirela Iodi Carstens, E. Carstens 5 6 University of California, Davis 7 Department of Neurobiology, Physiology & Behavior 8 1 Shields Avenue 9 Davis, California 95616 10 11 CORRESPONDING AUTHOR: 12 13 Prof. E. Carstens 14 University of California, Davis 15 Department of Neurobiology,...

Journal: :AIP Advances 2022

The spin exchange relaxation free (SERF) atomic magnetometer plays an important role in ultrahigh sensitive magnetic measurements. With the improvement of signal response and reduction sensor noise, sensitivity SERF is limited mainly by environmental noise. In order to improve performance shielding, models a shielding cylinder with triangular holes were established this paper, effect aperture a...

2010
L. K. Ragha

In this paper we propose to attach radio frequency (RF) shields on mobile phone to reduce Specific Absorption Rate (SAR) in the spherical head model. Shields made of ferrimagnetic materials are used to suppress surface currents on the mobile phone. Many kinds of simulation are performed to investigate the effect of various parameters like location, size, shape and thickness of the shield on the...

2008
Raouf Boutaba Simon Znaty

In this paper we present structuring concepts for networked systems management. The concepts mainly deal with organizing and structuring management systems by introducing building blocks (called domains) and managed resources abstract representations (called shields). Domains are used as a means for grouping resources according to different criteria and shields are used, within domains, to reve...

Journal: :Frontiers in Public Health 2015

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