نتایج جستجو برای: sym

تعداد نتایج: 2476  

2014
D. Shalini Punithavathani Sheryl Radley

IPv4-IPv6 transition rolls out numerous challenges to the world of Internet as the Internet is drifting from IPv4 to IPv6. IETF recommends few transition techniques which includes dual stack and translation and tunneling. By means of tunneling the IPv6 packets over IPv4 UDP, Teredo maintains IPv4/IPv6 dual stack node in isolated IPv4 networks behindhand network address translation (NAT). Howeve...

2004
E. R. Rutter

This paper describesan automated method for extracting and detecting amphetamine and some related primary amines in urine. In the technique the color reaction given by primary amines with 2,4,6-trinitrobenzene sulfonicacidisused,and is sufficiently sensitive to detect the excretion of therapeutic doses of amphetamine. Samples of 4 ml of urine may be analyzed at a rate of 20 samples per hour, an...

Journal: :Genetics 1999
A G Davies C A Spike J E Shaw R K Herman

Earlier work showed that the Caenorhabditis elegans gene mec-8 encodes a regulator of alternative RNA splicing and that mec-8 null mutants have defects in sensory neurons and body muscle attachment but are generally viable and fertile. We have used a genetic screen to identify five mutations in four genes, sym-1-sym-4, that are synthetically lethal with mec-8 loss-of-function mutations. The phe...

2014
Anicet Bart Frédéric Koriche Jean-Marie Lagniez Pierre Marquis

In this paper, symmetries are exploited for achieving significant space savings in a knowledge compilation perspective. More precisely, the languages FBDD and DDG of decision diagrams are extended to the languages Sym-FBDDX,Y and Sym-DDGX,Y of symmetry-driven decision diagrams, where X is a set of ”symmetry-free” variables and Y is a set of ”top” variables. Both the time efficiency and the spac...

2018
David Hicks Corey Oses Eric Gossett Geena Gomez Richard H. Taylor Cormac Toher Michael J. Mehl Ohad Levy Stefano Curtarolo

David Hicks, 2 Corey Oses, 2 Eric Gossett, 2 Geena Gomez, 2 Richard H. Taylor, 2, 3 Cormac Toher, 2 Michael J. Mehl, Ohad Levy, 2, 5 and Stefano Curtarolo 2, 6, ∗ Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA Center for Materials Genomics, Duke University, Durham, North Carolina 27708, USA Department of Materials Science and Engin...

Journal: :Genetics 2004
John Yochem Leslie R Bell Robert K Herman

On the basis of synthetic lethality, five genes in Caenorhabditis elegans are known to be redundant with the mec-8 gene, which encodes a protein that contains two copies of an RNA recognition motif (RRM) and affects alternative RNA splicing. The molecular identities of two of the redundant genes, sym-1 and sym-5, were previously reported. The remaining three genes have now been cloned, and thei...

Journal: :Physical chemistry chemical physics : PCCP 2013
Neetha Mohan Cherumuttathu H Suresh Anmol Kumar Shridhar R Gadre

An electrostatics-based approach has been proposed for probing the weak interactions between lone pair containing molecules and π deficient molecular systems. For electron-rich molecules, the negative minima in molecular electrostatic potential (MESP) topography give the location of electron localization and the MESP value at the minimum (Vmin) quantifies the electron-rich character of that reg...

2000
Rong-Gen Cai Nobuyoshi Ohta

We show that combining the spatial noncommutative SYM limit and Lorentz transformation, one can obtain a well-behaved light-like noncommutative SYM limit. The light-like noncommutative SYM is unitary. When the boost velocity is finite, the resulting theory with space-time noncommutativity is unitary as well. The light-like noncommutative SYM limit can also be approached by combining the noncomm...

Journal: :Physical Review C 2021

Nuclear symmetry energy ${E}_{\text{sym}}(\ensuremath{\rho})$ at density $\ensuremath{\rho}$ is normally expanded or simply parameterized as a function of $\ensuremath{\chi}=(\ensuremath{\rho}\ensuremath{-}{\ensuremath{\rho}}_{0})/3{\ensuremath{\rho}}_{0}$ in the form ${E}_{\text{sym}}(\ensuremath{\rho})\ensuremath{\approx}S+L\ensuremath{\chi}+{2}^{\ensuremath{-}1}{K}_{\text{sym}}{\ensuremath{\...

Journal: :Physical chemistry chemical physics : PCCP 2012
Xiaowa Nie Michael J Janik Xinwen Guo Chunshan Song

The ring-shift isomerization of sym-octahydrophenanthrene (sym-OHP) to sym-octahydroanthracene (sym-OHA) catalyzed by acidic zeolites (Mordenite (MOR) and Faujasite (FAU)) was investigated by the ONIOM(DFT:UFF) and DFT approaches. A "five-membered ring" mechanism through carbocation rearrangement via 1-2 migration was proved to be kinetically favored over a "six-membered ring" mechanism through...

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