نتایج جستجو برای: 1998 a large

تعداد نتایج: 13552609  

2008
Matthew Colless David Burstein Roger L. Davies Robert K. McMahan R. Watkins Gary Wegner

The EFAR collaboration has measured the structural parameters (half-luminosity radii, total magnitudes, central velocity dispersions and Mg indexes) of galaxies in 84 clusters of the Hercules-Corona Borealis and Pisces-Cetus regions, with redshifts 6000< cz <15000. Analysing this database by means of a Maximum Likelihood algorithm, the Fundamental Plane relation derived is in agreement with exi...

2007
Neta A. Bahcall

We show that the evolution of the number density of rich clusters of galaxies breaks thèclassical' degeneracy between (the cosmological mass density parameter of the universe) and 8 (The amplitude of mass uc-tuations on 8Mpc scale) that follows from the observed present-day cluster abundance. The evolution of cluster abundance thus provides a determination of each of these parameters independen...

Journal: :مطالعات ملی کتابداری و سازماندهی اطلاعات 0
محمدرضا حسنی کارشناس ارشد کتابداری و اطلاع رسانی

0

Abstracts: Dural ectasia is circumferential expansion or dilatation of the dural sac, and has been frequently reported in association with type 1 neurofibromatosis (NF1). It should be differentiated from posterior mediastinal tumors such as neurofibroma, neuroblastoma, and ganglioneuroma because NF-1 has a high risk of tumor formation. In the spinal deformities of NF-1 patients, despite the sco...

Journal: :CoRR 2011
Mihail Cocos Shawn Fowers

In this paper we present a mathematical way of defining musical modes, we derive a formula for the total number of modes and define the musicality of a mode as the total number of harmonic chords whithin the mode. We also give an algorithm for the construction of a duet of melodic lines given a sequence of numbers and a mode. We attach the .mus files of the counterpoints obtained by using the s...

2015

W ith the advent of the automobile as a mode of transportation late in the nineteenth century, a new phenomenon, the motor vehicle acci­ dent, appeared on the American scene. While the motor vehicle was in its early stages of development, the problem was not serious. How­ ever, as the volume of cars on the highways increased, the number of accidents increased also; the problem began to assume g...

2015
J. Haruyama I. Kawano T. Iwata T. Nishibori Y. Yamamoto M. Otsuki M. Sakurai K. Shimada

Introduction: In 2009, deep-hole structures were discovered in the Moon’s Marius Hills (Fig.1), Mare Tranquillitatis, and Mare Ingenii in the images acquired by the SELENE cameras aboard Japan’s Selenological and Engineering Explorer (SELENE, nicknamed KAGUYA). They were very similar to several pits on Mars that were discovered in 2007 and reported as possible “skylights” opened on subsurface v...

1998
Prab Varma

System chip, system on chip (SOC), system on silicon (SOS), there are many terms and many definitions that have arisen to describe the large chips that are emerging as we move further into the murky depths of the deep submicron era. Almost everyone has their own definition of system chip, which may explain why it is that almost everyone can claim to be designing system chips. However, as they b...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید