Results 11 to 20 of about 3,059,962 (299)

On the validity of the guiding-center approximation in a magnetic dipole field [PDF]

open access: yes, 2021
The problem of the charged-particle motion in an axisymmetric magnetic-dipole geometry is used to assess the validity of Hamiltonian guiding-center theory, which includes higher-order corrections associated with guiding-center polarization induced by magnetic-field nonuniformity.
arxiv   +1 more source

Mobile City- og sprogguides. Nye forbindelser mellem formelle og uformelle læringsmiljøer

open access: yesLæring og Medier, 2009
Denne artikel præsenterer og diskuterer et m-læringsdidaktisk scenarie til fremmedsprogsundervisning på videregående uddannelser. Scenariet er et bud på, hvordan mobilen og web 2.0 kan inddrages i undervisningen.
Mads Bo Kristensen   +3 more
doaj   +3 more sources

Guide to Maintain Historic Egyptian Mosques: Case Study of Abul-Hajjaj Mosque - Luxor

open access: yesARCHive-SR, 2017
The mosque is considered one of the most important buildings of the Islamic city since the Prophet's Mosque (peace and blessings be upon him), and maintenance is considered an important element and a cornerstone of buildings in general.
Hesham Osman Abd Elrahman
doaj   +1 more source

Introducción al hipertexto como herramienta general de información. Concepto, sistemas y problemática

open access: yesRevista Española de Documentación Científica, 1990
Se describen los orígenes históricos del hipertexto, los objetivos que perseguían sus iniciadores , Nelson y Engelbart, y se da una definición general del concepto de hipertexto, y su relación con la programación orientada al objeto, como uno de sus ...
Isidre Canals Cabiró
doaj   +1 more source

Turen går til Second Life - Tips til dig, der planlægger et besøg til den virtuelle verden

open access: yesLæring og Medier, 2009
(Artiklen er uden for review) Formålet med denne artikel er at give et overblik over Second Life for at gøre det lettere for især nybegyndere at orientere sig og planlægge mere målrettede og dermed succesfulde besøg in-world. Artiklen vil derfor ikke gå
Inger-Marie F. Christensen
doaj   +3 more sources

UMBILICAL CORD BLOOD (UCB) AND BONE MARROW (BM) AS A SOURCE OF NATURAL KILLERS (NK) FOR KIR-ALLOREACTIVE ADOPTIVE IMMUNOTHERAPY (KIR-AI)

open access: yesHematology, Transfusion and Cell Therapy, 2022
Objective: NK are innate lymphoid cells with the ability to rapidly recognize and exhibit cytotoxicity toward tumor and virus infected cells in HLA-independent manner without prior activation. KIR-AI is the next promising step after KIR-alloreactive NMAC
Kapitolina Melkova   +2 more
doaj  

BK polyomavirus associated progressive multifocal leukoencephalopathy in a person living with HIV

open access: yesBrain, Behavior, & Immunity - Health, 2021
Progressive multifocal leukoencephalopathy (PML) is a rare demyelinating disease of the white matter central nervous system occurring in immunocompromised patients particularly those with T cell deficiency such as in HIV, haematological and solid organ ...
Brendan O'Kelly   +5 more
doaj  

La puissance prescriptive des guides à Paris

open access: yesArticulo: Journal of Urban Research, 2008
Tour guides are mediators between tourists and spaces. As they embody a physical presence helping tourists and informing them about the city, they also act as prescribers, laying down what is supposed to be seen and to be done.
Gwendal Simon
doaj   +1 more source

Guided atom laser : a new tool for guided atom optics [PDF]

open access: yesAnnales de Physique 32, 2-3 (2007) 17-24, 2007
We present a guided atom laser. A Bose-Einstein condensate (BEC) is created in a crossed hybrid magnetic and an elongated optical trap, which acts as a matterwave guide. Atoms are extracted from the BEC by radio frequency (rf) outcoupling and then guided in the horizontal optical matterwave guide.
arxiv   +1 more source

Guide

open access: yes, 2022
This is a guide (pdf-file) for absolute quantification of cytosolic siRNA delivery and dose-response target gene knockdown, using the tools and example data provided in the collection.
openaire   +1 more source

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