Results 81 to 90 of about 63,963 (192)

Conservation in Marina el-Alamein in 2017 (Polish–Egyptian Conservation Mission) [PDF]

open access: yesPolish Archaeology in the Mediterranean, 2018
The conservation program of the Polish–Egyptian Conservation Mission in Marina el-Alamein in 2017 included restoration of wall structures and architectural decoration elements damaged as a result of unfavorable climate conditions (Houses H9/H9a and H21 ...
Piotr Zambrzycki, Anna Selerowicz
doaj   +1 more source

Hopf Bifurcations in a Watt Governor With a Spring

open access: yes, 2008
This paper pursues the study carried out by the authors in "Stability and Hopf bifurcation in a hexagonal governor system", focusing on the codimension one Hopf bifurcations in the hexagonal Watt governor differential system.
Al-Humadi A   +13 more
core   +1 more source

Heat tolerance classification criteria require population‐specific thresholds for accurate assessment of acclimation state in adults

open access: yesPhysiological Reports, Volume 14, Issue 4, February 2026.
Heat acclimation status is detected by changes in response to a standard Israeli Defense Force (IDF) heat tolerance test (HTT) intended to evaluate safety among participants returning to duty after exertional heat illness or anticipating exposure to exercise‐heat stress.
Jacob S. Bowie   +12 more
wiley   +1 more source

Counting subwords in flattened permutations

open access: yes, 2013
In this paper, we consider the number of occurrences of descents, ascents, 123-subwords, 321-subwords, peaks and valleys in flattened permutations, which were recently introduced by Callan in his study of finite set partitions.
Mansour, Toufik   +2 more
core   +1 more source

BF2 Complexes of N‐arylated 1‐amino‐anthraquinone, ‐xanthone, ‐thioxanthone, and Related Compounds: Synthesis and Properties

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 2, January 16, 2026.
Syntheses of BF2 complexes of 1‐(arylamino)anthraquinones and related compounds are developed and their properties studied. The physical properties of anthraquinones can be modulated by the introduction of arylamino groups next to the carbonyl function.
Ahlem N. Khelf‐Maghraoui   +12 more
wiley   +1 more source

Calcium Imparts Advanced Functionalities to Silk Hydrogels for Biofabrication and Biomedical Innovation

open access: yesAdvanced Functional Materials, Volume 36, Issue 7, 22 January 2026.
The addition of calcium ions to silk fibroin enhances the hydrogel properties and, when combined with visible light crosslinking, enables compatibility with advanced light‐based fabrication techniques. Calcium ions extend the shelf‐life of silk and facilitate the fabrication of multizonal, multilayered constructs for advanced stimuli‐responsive ...
Hien A. Tran   +11 more
wiley   +1 more source

Toxins of Locus of Enterocyte Effacement-Negative Shiga Toxin-Producing Escherichia coli

open access: yesToxins, 2018
Studies on Shiga toxin-producing Escherichia coli (STEC) typically examine and classify the virulence gene profiles based on genomic analyses. Among the screened strains, a subgroup of STEC which lacks the locus of enterocyte effacement (LEE) has ...
Maike Krause   +2 more
doaj   +1 more source

Chemical Composition and Antibacterial Potential of Lavandula latifolia and Lavandula angustifolia Essential Oils Against Bacillus cereus Isolated From Pipelines of Dairy Industry

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
1,8‐Cineole, limonene, and camphor were abundant in Algerian Lavandula latifolia essential oil, whereas linalol and linalyl acetate were in Lavandula angustifolia. MIC and MBC results revealed L. latifolia oil was the most effective against Bacillus cereus. Hexyl butyrate and lavandulyl acetate, among others, bound efficiently to the active site of the
Mounir Saifi   +7 more
wiley   +1 more source

Serotypes of Enteropathogenic Escherichia coli Isolated from Children Under 5 Years of Age [PDF]

open access: yesIranian Journal of Public Health, 2009
Background: The purpose of this study was to find out the frequency of different serotypes of enteropathogenic Es­cherichia coli (EPEC) among healthy/diarrheal cases.
MM Aslani, MY Alikhani
doaj   +1 more source

Heteroclinic Connections between Periodic Orbits in Planar Restricted Circular Three Body Problem - A Computer Assisted Proof

open access: yes, 2002
The restricted circular three-body problem is considered for the following parameter values $C=3.03$, $\mu=0.0009537$ - the values for {\em Oterma} comet in the Sun-Jupiter system.
Wilczak, D., Zgliczynski, P.
core   +1 more source

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