نتایج جستجو برای: fragmentation measurement

تعداد نتایج: 474775  

In this research, first of all, the existing problems in fragmentation measurement are reviewed for the sake of its fast and reliable evaluation. Then, the available methods used for evaluation of blast results are mentioned. The produced errors especially in recognizing the rock fragments in computer-aided methods, and also, the importance of determination of their sizes in the image analysis ...

Journal: :international journal of mining and geo-engineering 0
morteza hoseini faculty of mining, petroleum and geophysics engineering, university of shahrood farhang sereshki faculty of mining, petroleum and geophysics engineering, university of shahrood mohammad ataei faculty of mining, petroleum and geophysics engineering, university of shahrood

in this research, first of all, the existing problems in fragmentation measurement are reviewed for the sake of its fast and reliable evaluation. then, the available methods used for evaluation of blast results are mentioned. the produced errors especially in recognizing the rock fragments in computer-aided methods, and also, the importance of determination of their sizes in the image analysis ...

2011
Jean-François Caulier

In this paper we propose a new party-system fragmentation measure as equivalent number of parties that fully takes into account the pivotal power of parties. The novel approach we adopt in the method of construction for an index of fragmentation allows us to take advantage of the theory of generalized means. We first construct the (class of) quasi-arithmetic mean(s) with Banzhaf power weight fu...

Journal: :Methods in molecular biology 2004
Demetrius Matassov Terri Kagan Julie Leblanc Marianna Sikorska Zahra Zakeri

Classical apoptotic cell death can be defined by certain morphological and biochemical characteristics that distinguish it from other forms of cell death. One such feature, which is a hallmark of apoptosis, is DNA fragmentation. In dying cells, DNA is cleaved by an endonuclease that fragments the chromatin into nucleosomal units, which are multiples of about 180-bp oligomers and appear as a DNA...

2007
O. G. Smirnova

The longitudinal, transverse and asymmetric components of the fragmentation function are measured from the inclusive hadrons produced in e + e ? collisions at LEP. As in the deep inelastic scattering, this provides important tests of QCD predictions. Using the lifetime tag procedure it is possible to select Z 0 ! bb events and to compare the fragmentation functions in bb and light quarks events...

2017
A D Campbell M J Thurley

The particle size distribution of fragmented rock in mines significantly affects operational performance of loading equipment, materials handling and crushing systems. A number of methods to measure rock fragmentation exist at present, however these systems have a number of shortcomings in an underground environment. This paper outlines the first implementation of high resolution 3D laser scann...

2006
U. Werner

The multiple ionization and fragmentation of acetylene was studied in collisions with 3.6 MeV/u Xe ions provided by the UNILAC at GSI. The fragmentation dynamics was studied using a positionand time-sensitive multiparticle detector [1] which allows the coincident measurement of the momenta of correlated fragment ions. If all fragment ions from a particular fragmentation are detected, a kinemati...

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