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Title:

Sex Trafficking: The Global Market in Women and Children. By Kathryn Farr (Portland, OR: Worth Publishing, 2005, 262pp. $23.95)

Publisher:

Oxford University Press

Year of Publication:

2006-03-01 00:00:00.0

Document Type:

TEXT

Language:

en

Subjects:

Reviews

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Rights:

Copyright (C) 2006, Centre for Crime and Justice Studies

Copyright (C) 2006, Centre for Crime and Justice Studies Minimize

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Title:

Wie gestalten wir unsere Wanderungen? / [Beilage zur "Arbeiter-Jugend"]

Author:

Source:

Stoecker, W.;: Arbeiter-Jugend - 3.1911. 3 1911

Stoecker, W.;: Arbeiter-Jugend - 3.1911. 3 1911 Minimize

Document Type:

Text

Subjects:

370.education

370.education Minimize

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Title:

<ns>Die </ns>Wanderleitung und ihre Aufgabe / [Beilage zur "Arbeiter-Jugend"]

Author:

Source:

Stoecker, W.;: Arbeiter-Jugend - 3.1911. 3 1911

Stoecker, W.;: Arbeiter-Jugend - 3.1911. 3 1911 Minimize

Document Type:

Text

Subjects:

370.education

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Title:

Effects of Fixation on Cell Volume of Marine Planktonic Protozoa †

Description:

The effects of fixation on the cell volume of marine heterotrophic nanoflagellates and planktonic ciliates were investigated. Decreases in cell volume depended on the combination of the protozoan taxa and the particular fixative. For a particular fixative and protozoan species, degree of shrinkage was independent of physiological state. The volu...

The effects of fixation on the cell volume of marine heterotrophic nanoflagellates and planktonic ciliates were investigated. Decreases in cell volume depended on the combination of the protozoan taxa and the particular fixative. For a particular fixative and protozoan species, degree of shrinkage was independent of physiological state. The volume of fixed cells was found to be approximately 20 to 55% lower than the cell volume of live organisms. For the heterotrophic microflagellates, the fixatives ranked, in order of decreasing effect on cell volume, as glutaraldehyde, formaldehyde, acid Lugol's solution, and modified van der Veer solution. With oligotrichous ciliates and a tintinnid ciliate, formaldehyde caused less shrinkage than glutaraldehyde or acid Lugol's solution. With the aldehyde fixatives, the microflagellates were found to shrink more than the ciliates. Differential effects of fixation on cell volumes may result in an underestimation of the biomass of certain protozoan taxa in natural samples. Minimize

Year of Publication:

1989-07

Document Type:

Text

Language:

en

Subjects:

General Microbial Ecology

General Microbial Ecology Minimize

DDC:

571 Physiology & related subjects *(computed)*

Rights:

Copyright © 1989, American Society for Microbiology

Copyright © 1989, American Society for Microbiology Minimize

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Title:

Comment to `The dependence of the anomalous J/psi suppression on the number of participant nucleons'

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Description:

The recently published experimental dependence of the J/psi suppression pattern in Pb+Pb collisions at the CERN SPS on the energy of zero degree calorimeter E_ZDC are analyzed. It is found that the data obtained within the `minimum bias' analysis (using `theoretical Drell-Yan') are at variance with the previously published experimental dependenc...

The recently published experimental dependence of the J/psi suppression pattern in Pb+Pb collisions at the CERN SPS on the energy of zero degree calorimeter E_ZDC are analyzed. It is found that the data obtained within the `minimum bias' analysis (using `theoretical Drell-Yan') are at variance with the previously published experimental dependence of the same quantity on the transversal energy of neutral hadrons E_T. The discrepancy is related to the moderate centrality region: 100 < N_p < 200 (N_p is the number of nucleon participants). This could result from systematic experimental errors in the minimum bias sample. A possible source of the errors may be contamination of the minimum bias sample by off-target interactions. The data obtained within the standard analysis (using measured Drell-Yan multiplicity) are found to be much less sensitive to the contamination. ; Comment: 9 pages, REVTeX, 3 PS-figures Minimize

Year of Publication:

2002-07-28

Document Type:

text

Subjects:

Nuclear Experiment

Nuclear Experiment Minimize

DDC:

612 Human physiology *(computed)*

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Title:

Non-equilibrium initial conditions from pQCD for RHIC and LHC

Author:

Description:

We calculate the initial non-equilibrium conditions from perturbative QCD (pQCD) within Glauber multiple scattering theory for $\sqrt s =200$ AGeV and $\sqrt s =5.5$ ATeV. At the soon available collider energies one will particularly test the small $x$ region of the parton distributions entering the cross sections. Therefore shadowing effects, p...

We calculate the initial non-equilibrium conditions from perturbative QCD (pQCD) within Glauber multiple scattering theory for $\sqrt s =200$ AGeV and $\sqrt s =5.5$ ATeV. At the soon available collider energies one will particularly test the small $x$ region of the parton distributions entering the cross sections. Therefore shadowing effects, previously more or less unimportant, will lead to new effects on variables such as particle multiplicities $dN/dy$, transverse energy production $d\bar{E}_T/dy$, and the initial temperature $T_i$. In this paper we will have a closer look on the effects of shadowing by employing different parametrizations for the shadowing effect for valence quarks, sea quarks and gluons. Since the cross sections at midrapidity are dominated by processes involving gluons the amount of their depletion is particularly important. We will therefore have a closer look on the results for $dN/dy$, $d\bar{E}_T/dy$, and $T_i$ by using two different gluon shadowing ratios, differing strongly in size. As a matter of fact, the calculated quantities differ significantly. ; Comment: typo in ref's removed, ack's added, no change in results Minimize

Year of Publication:

1999-03-30

Document Type:

text

Subjects:

High Energy Physics - Phenomenology

High Energy Physics - Phenomenology Minimize

DDC:

530 Physics *(computed)*

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Title:

Relativistic Hartree approach including both positive- and negative-energy bound states

Author:

Description:

We develop a relativistic model to describe the bound states of positive energy and negative energy in finite nuclei at the same time. Instead of searching for the negative-energy solution of the nucleon's Dirac equation, we solve the Dirac equations for the nucleon and the anti-nucleon simultaneously. The single-particle energies of negative-en...

We develop a relativistic model to describe the bound states of positive energy and negative energy in finite nuclei at the same time. Instead of searching for the negative-energy solution of the nucleon's Dirac equation, we solve the Dirac equations for the nucleon and the anti-nucleon simultaneously. The single-particle energies of negative-energy nucleons are obtained through changing the sign of the single-particle energies of positive-energy anti-nucleons. The contributions of the Dirac sea to the source terms of the meson fields are evaluated by means of the derivative expansion up to the leading derivative order for the one-meson loop and one-nucleon loop. After refitting the parameters of the model to the properties of spherical nuclei, the results of positive-energy sector are similar to that calculated within the commonly used relativistic mean field theory under the no-sea approximation. However, the bound levels of negative-energy nucleons vary drastically when the vacuum contributions are taken into account. It implies that the negative-energy spectra deserve a sensitive probe to the effective interactions in addition to the positive-energy spectra. ; Comment: 38 pages, Latex, 8 figures included; Int. J. Mod. Phys. E, in press Minimize

Year of Publication:

1999-03-15

Document Type:

text

Subjects:

Nuclear Theory

Nuclear Theory Minimize

DDC:

539 Modern physics *(computed)*

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Title:

Gluon- vs. Sea quark-Shadowing

Author:

Description:

We calculate the shadowing of sea quarks and gluons and show that the shadowing of gluons is {\it not} simply given by the sea quark shadowing, especially at small $x$. The calculations are done in the lab frame approach by using the generalized vector meson dominance model. Here the virtual photon turns into a hadronic fluctuation long before t...

We calculate the shadowing of sea quarks and gluons and show that the shadowing of gluons is {\it not} simply given by the sea quark shadowing, especially at small $x$. The calculations are done in the lab frame approach by using the generalized vector meson dominance model. Here the virtual photon turns into a hadronic fluctuation long before the nucleus. The subsequent coherent interaction with more than one nucleon in the nucleus leads to the depletion $\sigma (\gamma^* A) < A\sigma (\gamma^* N)$ known as shadowing. A comparison of the shadowing of quarks to E665 data for $^{40}Ca$ and $^{207}Pb$ shows good agreement. ; Comment: 9 pages, 3 eps figures Minimize

Year of Publication:

1998-11-04

Document Type:

text

Subjects:

High Energy Physics - Phenomenology

High Energy Physics - Phenomenology Minimize

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Title:

Bound states of anti-nucleons in finite nuclei

Author:

Description:

We study the bound states of anti-nucleons emerging from the lower continuum in finite nuclei within the relativistic Hartree approach including the contributions of the Dirac sea to the source terms of the meson fields. The Dirac equation is reduced to two Schr\"{o}dinger-equivalent equations for the nucleon and the anti-nucleon respectively. T...

We study the bound states of anti-nucleons emerging from the lower continuum in finite nuclei within the relativistic Hartree approach including the contributions of the Dirac sea to the source terms of the meson fields. The Dirac equation is reduced to two Schr\"{o}dinger-equivalent equations for the nucleon and the anti-nucleon respectively. These two equations are solved simultaneously in an iteration procedure. Numerical results show that the bound levels of anti-nucleons vary drastically when the vacuum contributions are taken into account. ; Comment: 8 pages, no figures. Proceedings of International Conference on Nonequilibrium and Nonlinear Dynamics in Nuclear and Other Finite Systems, Beijing, China 2001; AIP conference proceedings 597, edited by Zhuxia Li, Ke Wu, Xizhen Wu, Enguang Zhao, and F. Sakata (Melville, New York, 2001) page 112-117 Minimize

Year of Publication:

2001-12-04

Document Type:

text

Subjects:

Nuclear Theory

Nuclear Theory Minimize

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