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Using simple waves and six-vector formalism, the propagation of electromagnetic waves in nonlinear, bianisotropic, nondispersive, homogeneous media is analyzed. The Maxwell equations are formulated as an eigenvalue problem, whose solutions are equivalent to the characteristic directions of the wave front. Oblique incidence of plane waves in vacuum on a half space of nonlinear material is solved, g
Investigations over two major tectonic zones in the Hallandsås Horst, Southern Sweden were carried out in connection with a railway tunnelling project. A combination of resistivity imaging, core drilling and geophysical logging was found to provide a good overview of the variation in rock quality and detailed information on the engineering geological characteristics and genesis of the strata. Resi
This article presents and argues for a collaborative model for disaster risk management in the Southern African Development Community (SADC). The research employed a qualitative study through a literature review and empirical research through focus group interviews to realize its objectives. As a key theory of multinational collaboration, neoliberal institutionalism—a subset of the international r
In this paper a simple analytical method is introduced for calculating the overall thermal conductivity of a twin pipe in district heating network. The method is developed based on calculating the conductive and convective heat transfer around the casing pipe in different perimetral sections. Temperature inside the supply and return pipes and also over the heating pipe is measured on different poi
Sepsis is a systemic immune response responsible for considerable morbidity and mortality. Molecular modeling of host-pathogen interactions in the disease state represents a promising strategy to define molecular events of importance for the transition from superficial to invasive infectious diseases. Here we used the Gram-positive bacterium Streptococcus pyogenes as a model system to establish a
Aim: The prevalence and severity of urinary incontinence (UI) increase with age and comorbidity. The benefits of pharmacotherapy for UI in the elderly are questionable. The aim of the present study was to systematically review the efficacy of pharmacological treatment for UI in the elderly and frail elderly. Methods: We searched PubMed, EMBASE, Cochrane library and Cinahl databases through October
We present the observed offsets of short-duration gamma-ray bursts (SGRBs) from their putative host galaxies and compare them with the expected distributions of merging compact object binaries, given the observed properties of the hosts. We find that for all but one burst in our sample the offsets are consistent with this model. For the case of bursts with massive elliptical host galaxies, the cir
A total of 308,036 women were selected from the European Prospective Investigation into Cancer and Nutrition (EPIC) study to evaluate the association between tobacco smoking and the risk of cervical intraepithelial neoplasia of grade 3 (CIN3)/carcinoma in situ (CIS) and invasive cervical cancer (ICC). At baseline, participants completed a questionnaire and provided blood samples. During a mean fol
Amputation of the lower limb is one of the most feared diabetic complications. It is associated with loss of mobility and a poor quality of life. Amputations result in high economic burden for the healthcare system. The financial cost is also high for patients and their families, particularly in countries that lack a comprehensive health service and/or have a low income. Losing a leg frequently im
The role of inflammation in atherosclerosis and plaque vulnerability is well recognized. However, it is only during recent years it has become evident that this inflammation is modulated by immune responses against plaque antigens such as oxidized LDL. Interestingly, both protective and pathogenic immune responses exist and experimental data from animal studies suggest that modulation of these imm
A parallel procedure for an effective optimization of relative position and orientation between two or more fragments has been implemented in the MOLCAS program package. By design, the procedure does not perturb the electronic structure of a system under the study. The original composite system is divided into frozen fragments and internal coordinates linking those fragments are the only optimized
To evaluate the anatomic suitability of the Zenith pivot branch (p-branch) fenestrated device in ruptured abdominal aortic aneurysms (rAAA).
pnas201006568 1..6 Tracking differentiating neural progenitors in pluripotent cultures using microRNA-regulated lentiviral vectors Rohit Sachdevaa, Marie E. Jönssona, Jenny Nelandera, Agnete Kirkebya, Carolina Guibentifa, Bernhard Gentnerb, Luigi Naldinib, Anders Björklunda, Malin Parmara, and Johan Jakobssona,1 aDepartment of Experimental Medical Sciences, Wallenberg Neuroscience Center, Lund Uni
https://www.regenerative-neurobiology.lu.se/sites/regenerative-neurobiology.lu.se/files/sachdeva_et_al_pnas_2010.pdf - 2026-07-25
This paper reviews and extends searches for the direct pair production of the scalar supersymmetric partners of the top and bottom quarks in proton-proton collisions collected by the ATLAS collaboration during the LHC Run 1. Most of the analyses use 20 [Formula: see text] of collisions at a centre-of-mass energy of [Formula: see text] TeV, although in some case an additional [Formula: see text] of
Integrated Water Resources Management (IWRM) is a relatively new approach in Bolivia. However, it is now generally accepted that this approach needs to be established in order to find sustainable solutions for development and is actively promoted by the Water Ministry, especially in environmentally fragile regions, such as the Lake Poopo basin. The Lake Poopo basin is one of the poorest regions in
