نتایج جستجو برای: ul

تعداد نتایج: 4931  

1995
J. R. Forshaw R. G. Roberts R. S. Thorne

We present a method for the analytic solution of small x structure functions. The essential small x logarithms are summed to all orders in the anomalous dimensions and coefficient functions. Although we work at leading logarithmic accuracy, the method is general enough to allow the systematic inclusion of sub-leading logarithms. Results and predictions are presented for the gluon density, and t...

1999
Vesselin Petkov

As is known the repulsion of the volume elements of an uniformly accelerating charge or a charge supported in an uniform gravitational field accounts for the electromagnetic contribution to the charge’s inertial and gravitational mass, respectively. This means that the mutual repulsion of the volume elements of the charge produces the resistance to its accelerated motion. Conversely, the effect...

2008
S. K. Lamoreaux R. Golub

A new limit for the neutron electric dipole moment has been recently reported. This new limit is obtained by combining the result from a previous experiment with the result from a more recent experiment that has much worse statistical accuracy. We show that the old result has a systematic error possibly four times greater than the new limit, and under the circumstances, averaging of the old and...

2002
Wei Zhu

We introduce a Wilson line distribution function W τ (v) to study gluon saturation at small Feynman x F , or large τ = ln(1/x F ). This new distribution can be obtained from the distribution Wτ (α) of the Color Glass Condensate model and the JIMWLK renormalization group equation. W τ (v) is physically more relevant, and mathematically simpler to deal with because of unitarity of the Wilson line...

2001
S. Ni L. Hanzo

It is demonstrated that genetic algorithms may be utilised for finding a suboptimum but highly beneficial uplink (UL) or downlink (DL) timeslot (TS) allocation for improving the achievable performance of the third generation UTRA system’s time division duplex (TDD) mode. It is demonstrated that this novel GA-assisted UL=DL timeslot scheduling scheme is capable of avoiding the severe BS to BS in...

Journal: :Journal of health sciences and medicine 2021

Abstract
 Aim
 We aimed to determine the predictive value of laboratory parameters for distinction between urolithiasis (UL) and renal infarction (RI) in patients presenting emergency department with flank pain complaint.
 Methods
 In our retrospective study, files 73 who presented (ED) whose costovertebral angle tenderness was positive were reviewed. Routine blood tests res...

1997
A. G. Williams H. B. O ’ Connell A. W. Thomas

In this paper we improve and extend a recent analysis which showed that the ρ−ω mixing amplitude cannot be unambiguously extracted from the pion electromagnetic form-factor in a model independent way. In particular, we focus on the argument that the extraction is sensitive to the presence of any intrinsic ω I → ππ coupling. Our extended analysis confirms the original conclusion, with only minor...

1999
R. Brown E. J. Moore T. Porter C. D. Wensley

The category of crossed complexes gives an algebraic model of CW-complexes and cellular maps. Free crossed resolutions of groups contain information on a presentation of the group as well as higher homological information. We relate this to the problem of calculating non-abelian extensions. We show how the strong properties of this category allow for the computation of free crossed resolutions ...

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