Three new species of Streptochilus, a biserial planktic foraminiferal genus, were recognized in the lower Miocene of the eastern Atlantic and western Indian Oceans. These species had been formerly thought to be benthic species of the genus Bolivina, but evidence on their apertural morphology and stable isotopic composition indicates that they lived as plankton and should be assigned to the genu...

The ISO/IEC 27001 is an important and the most leading international information security management standard in the information security (InfoSec) world. The benefits of implementing the ISO 27001 are to provide market assurance and IT governance, based on customer demands and legal requirements. Although the ISO 27001 is a generic standard for all types of organisations and countries, there a...

In this paper, we consider spatial predator-prey models with diffusion and prey-taxis. We investigate necessary conditions for pattern formation using a variety of non-linear functional responses, linear and non-linear predator death terms, linear and non-linear prey-taxis sensitivities, and logistic growth or growth with an Allee effect for the prey. We identify combinations of the above non-l...

We report on the experimental observation of speckle formation from a transparent crystal formed by a random distribution of nonlinear domains. The angular distribution of second-harmonic light generated by a transparent strontium barium niobate crystal is measured for different diameters of the fundamental beam and crystal thicknesses. Distinct manifestations of speckle pattern formation are f...

The effects of non-equilibrium charge screening in mixtures of oppositely charged interacting molecules on surfaces are analyzed in a closed system. The dynamics of charge screening and the strong deviation from the standard Debye-Hückel theory are demonstrated via a new formalism based on computing radial distribution functions suited for analyzing both short-range and long-range spacial order...

We present an experimental and theoretical investigation of spontaneous pattern formation in the transverse section of a single retroreflected laser beam passing through a cloud of cold rubidium atoms. In contrast to previously investigated systems, the nonlinearity at work here is that of a two-level atom, which realizes the paradigmatic situation considered in many theoretical studies of opti...

Background and aims: Normal pregnancy and its successful outcome require intake of sufficient food. Undesirable nutrition is directly associated with pregnancy outcome, therefore, its prevention is the best strategy to maintain maternal and fetal health. The present study was conducted to investigate the prevalence of malnutrition during pregnancy and associated factors in women of Ard...

Quality Growth Index (QGI) is affected by two sets of combined-structural and social indicators. Structural indicator contributes to achieve the main target of sound-sustainable-competitive output growth. By the way, the sound output growth should enhance social-public services and living standards. Although QGIs are weightedly computed based on different scenarios, the trend of the QGIs and co...

Sulfur dioxide has two important sources in the atmosphere and this is why most of scientists believe in a geographic split in the globe. Power plants, major emitter of SO2, are located in north hemisphere such as in Russia, China, Canada and the USA. In south hemisphere, phytoplankton produces a massive amount of dimethyl sulfide (DMS) and dimethyl disulfide (DMDS). Then these types of reduced...

Background & Aims: Toxoplasmosis in one of the most prevalent parasitic infections that could result in abortion or miscarriage in the pregnant women. The main objective of this research was to determine seroepidemioligy of toxoplasmosis infection among the urban and rural women admitted in Milad genetic consultancy center of Birjand during 2011-2013. Method: This descriptive-analytical study w...