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showing 10 items of 1859 documents
A simplified approach to estimate water retention for Sicilian soils by the Arya-Paris model
2014
Application of the Arya and Paris (AP) model to estimate the soil water retention curve requires a detailed description of the particle-size distribution (PSD) because the scale factor a, relating the pore length of an ideal soil to that of the natural one, depends on the particle size distribution parameters. For a dataset of 140 Sicilian soils that were grouped in five texture groups, the logistic and linear models were applied to evaluate a, and the water retention values predicted by the AP model were compared with the measured ones. Using the parameters proposed by Arya et al. (1999), the two models yielded similar unsystematic root mean error of estimate (RMSEu). Therefore, their pote…
Definition, Tasks and Legal Nature of the Compliance Function
2015
This chapter addresses the compliance function under art. 46, para. 1 of the Solvency II Directive. The first items to be addressed here are the normative bases of compliance under the insurance supervisory regime and its conceptual content. Then, the tasks and relevant requirements for compliance under the insurance supervisory regime are identified. The chapter concludes by examining the function of compliance under the insurance supervisory regime of the Solvency II system.
A model of the Islamic sovereign wealth fund
2019
Purpose The purpose of this paper is to propose a model of the Islamic sovereign wealth funds (ISWFs) based on Islamic finance principles to modify the precarious image of SWFs from Muslim countries. The Shariah laws are the cardinal direction for this study. Design/methodology/approach The authors applied a qualitative research technique that consists of three approaches: exploratory case study approach to critically examine and rank the existing status of SWFs; descriptive analysis; and content analysis to present a model of ISWFs in comparison of conventional SWFs. Findings The authors propose a model of the “Islamic Sovereign Wealth Funds” based on four key pillars: the major Shariah p…
The Western Space Policies under the Influence of International Factors: Mutuality of Russia’s Case
2015
The research is dedicated to the problem of mutual dependence in space policies between the West, represented by great spacefaring actors the US and the EU, and Russia. In the study the correlation analysis, content analysis, and scenario-building methods were used. The conclusion of the analysis comprises consideration on the need to invest in their independence by Western countries in order to avoid unnecessary extra dependence on uncertain and unreliable regimes that supply substantial components for their space technology.
Multispectral colour analysis for quantitative evaluation of pseudoisochromatic color deficiency tests
2010
Multispectral color analysis was used for spectral scanning of Ishihara and Rabkin color deficiency test book images. It was done using tunable liquid-crystal LC filters built in the Nuance II analyzer. Multispectral analysis keeps both, information on spatial content of tests and on spectral content. Images were taken in the range of 420-720nm with a 10nm step. We calculated retina neural activity charts taking into account cone sensitivity functions, and processed charts in order to find the visibility of latent symbols in color deficiency plates using cross-correlation technique. In such way the quantitative measure is found for each of diagnostics plate for three different color deficie…
Yleisten kielitutkintojen arvioijien käsityksiä thainkieliseksi tunnistettujen suomenoppijoiden suullisesta kielitaidosta
2020
Artikkelissa tarkastellaan sitä, miten thainkielisten suomenoppijoiden (N=10) ensikielen tunnistaminen vaikuttaa Yleisten kielitutkintojen (YKI) suomen arvioijien (N=44) käsityksiin kielitaidosta ja millaisia käsityksiä arvioijilla on thainkielisten suullisesta kielitaidosta. Artikkelin aineisto liittyy Rikkinäistä suomea-hankkeeseen, jossa thainkieliset oli yksi tutkimukseen osallistuneesta ensikielen ryhmittymästä. Artikkelissa määrällisen aineiston avulla tarkastellaan tunnistamista ja arvioinnissa käytettyjen kuuden analyyttisen arviointikriteerin käyttöä. Laadullinen aineisto koostuu arvioijien kirjoittamista ensikielen tunnistamiseen ja oppijoiden kielitaitoon liittyvistä huomioista, …
Comprehensive study of the heat resistance of dried Bacillus subtilis spores
2013
In response to starvation, species from the genre Bacillus are able to form metabolicallydormant spores which are very resistant to multiple forms of stress. They are found in quitehigh concentrations in some dried foods which, upon rehydration, may lead to food deterioration or food-borne diseases. Moreover, their destruction is rather difficult and mostof the techniques commonly used to treat dry foods result in a very low spore inactivation.The aim of this work is to better understand the role spore hydration in the inactivation ofdried Bacillus subtilis spores. A fundamental study was conducted using DifferentialScanning Calorimetry pans as reactors to perform a heat treatment in dried …
Water properties in fern spores: sorption characteristics relating to water affinity, glassy states, and storage stability.
2007
Ex situ conservation of ferns may be accomplished by maintaining the viability of stored spores for many years. Storage conditions that maximize spore longevity can be inferred from an understanding of the behaviour of water within fern spores. Water sorption properties were measured in spores of five homosporeous species of ferns and compared with properties of pollen, seeds, and fern leaf tissue. Isotherms were constructed at 5, 25, and 45 degrees C and analysed using different physicochemical models in order to quantify chemical affinity and heat (enthalpy) of sorption of water in fern spores. Fern spores hydrate slowly but dry rapidly at ambient relative humidity. Low Brunauer-Emmet-Tel…
Calorimetric properties of water and triacylglycerols in fern spores relating to storage at cryogenic temperatures.
2007
Abstract Storing spores is a promising method to conserve genetic diversity of ferns ex situ . Inappropriate water contents or damaging effects of triacylglycerol (TAG) crystallization may cause initial damage and deterioration with time in spores placed at −15 °C or liquid nitrogen temperatures. We used differential scanning calorimetry (DSC) to monitor enthalpy and temperature of water and TAG phase transitions within spores of five fern species: Pteris vittata , Thelypteris palustris , Dryopteris filix-mas , Polystichum aculeatum , Polystichum setiferum . The analyses suggested that these fern spores contained between 26% and 39% TAG, and were comprised of mostly oleic ( P. vittata ) or …