Results 21 to 30 of about 35,432,506 (175)

Dynamic Geospatial Spectrum Modelling: Taxonomy, Options and Consequences [PDF]

open access: yes, 2010
Much of the research in Dynamic Spectrum Access (DSA) has focused on opportunistic access in the temporal domain. While this has been quite useful in establishing the technical feasibility of DSA systems, it has missed large sections of the overall DSA ...
Al-Tamaimi, Mohammed   +2 more
core   +5 more sources

DYNAMITE: ANARCHISM, MODERNISM, AESTHETICS [PDF]

open access: yes, 2002
This book argues for the intersection of anarchist theory, modernist writers, and aesthetic innovations under the sign of "the bomb." Individual chapters concern such figures as Joseph Conrad, Richard Wagner, Henry Adams, Andrei Bely, Edna St.
Hamilton, Carol V.
core   +1 more source

On Security and Reliability using Cooperative Transmissions in Sensor Networks [PDF]

open access: yes, 2010
Recent work on cooperative communications has demonstrated benefits in terms of improving the reliability of links through diversity and/or increasing the reach of a link compared to a single transmitter transmitting to a single receiver (single-input ...
Aksu, Aylin   +3 more
core   +2 more sources

Why does the MENA region have such high unemployment rates? [PDF]

open access: yes, 2004
This paper will examine the pattern of unemployment and the main characteristics of those unemployed in MENA. Then it will discuss the factors behind high unemployment rates in the region, before focusing on Egypt and Morocco to provide in depth ...
El-Hamidi, Fatma, Wahba, Jackline
core   +1 more source

Defitsit kal'tsiya vo vremya beremennosti

open access: yesГинекология, 2004
Беременность является своеобразным стрессовым состоянием относительно кальциевого метаболизма матери. Увеличение объема плазмы приводит к интенсификации ее почечной фильтрации, что повышает потерю кальция и способствует возникновению физиологической ...
M Yu Sokolova
doaj   +2 more sources

The Effects of Structural Adjustment on Youth Unemployment in Egypt [PDF]

open access: yes, 2005
The persistence of high unemployment rates in recent years has become a major problem in many MENA countries, especially in Egypt. The aim of this paper is to examine the effects of economic reforms in Egypt on youth unemployment.
El-Hamidi, Fatma, Wahba, Jackline
core   +1 more source

Search for the Decays B^0 -> D^{(*)+} D^{(*)-}

open access: yes, 1997
Using the CLEO-II data set we have searched for the Cabibbo-suppressed decays B^0 -> D^{(*)+} D^{(*)-}. For the decay B^0 -> D^{*+} D^{*-}, we observe one candidate signal event, with an expected background of 0.022 +/- 0.011 events.
Alam, MS   +222 more
core   +1 more source

Pregnancy, lactation and calcium: baseless fears and proven success (100th anniversary of the first publication)

open access: yesМедицинский совет, 2013
Any type of pregnancy and breast-feeding, including in healthy women, are accompanied by notable changes in the calcium metabolism. While primary skeletal and calcium (Ca) metabolism disorders are rare in obstetric practice, many calcium pathologies are
D. E. Shilin
doaj   +1 more source

Guyasuta: Warrior, Estate, and Home to Boy Scouts [PDF]

open access: yes, 2011
For nearly a century, Camp Guyasuta has been “an ideal place for Boy Scouts to live out their Handbook, to dream and be inspired and become good Americans.” Situated on roughly 130 acres in a deep valley between Aspinwall and Sharpsburg, Guyasuta is the ...
Galloway, Edward A
core   +1 more source

O(d,d) invariance at two and three loops [PDF]

open access: yes, 1999
We show that in a two-dimensional sigma-model whose fields only depend on one target space co-ordinate, the O(d,d) invariance of the conformal invariance conditions observed at one loop is preserved at two loops (in the general case with torsion) and at ...
A. A. Tseytlin   +32 more
core   +3 more sources

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