نتایج جستجو برای: atomic energy

تعداد نتایج: 741903  

2014
Valentina Pukhova Francesco Banfi Gabriele Ferrini

In the section "Energy dissipation" of the above manuscript, there is a typesetting error in the mathematical expressions after Equation 5. The correct form must be: The energy balance of each decaying mode obtained from Equation 4 in the time window 0 < t < τ = 200 μs (see Figure 1) can be written as where i is the index of the mode, ΔK i = 1/2 m eq (v i (0) 2 − v i (τ) 2) is the variation of ...

1999
M. J. Ramsey - Musolf

The new physics sensitivity of a variety of low-energy parity-violating (PV) observables is analyzed. A comparison is made between atomic PV for a single isotope, atomic PV using isotope ratios, and PV electron-hadron and electron-electron scattering. The complementarity among these observables, as well as with high-energy processes, is emphasized. Theoretical uncertainties entering the interpr...

2003
Jonathan A. Brant Amy E. Childress

Theoretical predictions of interaction energies for several membrane–colloid pairs were made using the classical DLVO theory and an extended DLVO (XDLVO) approach. The XDLVO approach accounts for acid-base (polar) interactions that are not considered in the classical DLVO theory. For all membranecolloid pairs studied, DLVO interactions were similar. However, inclusion of acid-base interactions ...

2015
Sameh S. Tawfik Amira M. Abouelella Amany A. Ghazy Ahmed I. Talha

a Health Radiation Research Department, National Centre for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt b Radiation Biology Department, National Centre for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt c Department of Immunology, Medical Research Institute, Alexandria University, Alexandria, Egypt d Department of Surgery, Medical Research ...

Journal: :Decision Support Systems 2012
Md. Dulal Hossain Junghoon Moon Jae-woong Yun Young Chan Choe

a Institute of Computer Science, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Savar, Dhaka, Bangladesh b Program in Regional Information, College of Agriculture and Life Sciences, Seoul National University, San 56-1, Sillim-dong, Seoul 151-742, Republic of Korea c Research Institute for Agriculture & Life Sciences, Seoul National University, Gwanak-599, Gwanak-ro, ...

1999
H. B. Jensen M. Marshall

A new, conceptually very simple, single wire readout system for spark chambers in strong magnetic fields is described. (Submitted to Nucl. Instr. and Methods. ) *Work supported in part by the U. S. Atomic Energy Commission. Prepared under Contracts AT(04-3)-5 15 and AT(ll-l)-68 for the San Francisco Operations Office, U. S. Atomic Energy Commission.

Introduction: Globally, the need for radiotherapy as a part of cancer management increases every year. Thus, the shielding for megavoltage radiotherapy rooms is of great importance. Materials and Methods: In the present study, 14 types of developed high-density concrete with densities ranging from 2.45 to 5.11 were simulated by using Monte Carlo method. The linear attenuation coefficient and t...

2013
SOSALE CHANDRASEKHAR

It is argued that the scale of atomic masses rests far too heavily on two possibly dubious pieces of evidence. These are the nineteenth-century determination of the atomic weight of hydrogen, and early mass spectrographic work on the determination of atomic masses. The determination of the atomic weight of hydrogen is possibly prone to overestimation because of adventitious enrichment in deuter...

2007
Ivan C. Rankenburg Veit Elser

Ivan C. Rankenburg and Veit Elser Abstract We demonstrate a new algorithm for finding protein conformations that minimize a non-bonded energy function. The new algorithm, called the difference map, seeks to find an atomic configuration that is simultaneously in two constraint spaces. The first constraint space is the space of atomic configurations that have a valid peptide geometry, while the s...

Introduction: In dual-energy computed tomography (DECT), the Hounsfield values of a substance measured at two different energies are the basic data for finding the chemical properties of a substance. The trends of Hounsfield unit (HU) alterations following the changes in energy are different between the materials with high and low Zeff. The present study aim...

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