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showing 10 items of 2302 documents
The responsibilities of extra familial care institutions’ children as important personality characteristics development process
2014
The questions about how and in which living activity areas the responsibility of extra familial care institutions’ children as important personality characteristic is developed, in this paper are investigated. Responsibility category includes the problem of philosophy and sociology – the extent of which a person is able and can be the subject (the author) of his activity, as well as specific questions: the ability of the person knowingly (intentionally, voluntarily) to execute determined requirements and to perform specified tasks; to make certain choice; to achieve determined results, as well as to solve the issues. The concept of responsibility is described in various scientific papers. E…
The Synthesis, Characterization and Sintering of Nickel and Cobalt Ferrite Nanopowders
2012
The NiFe2O4 and CoFe2O4 ferrites were synthesized by two methods – chemical sol-gel self-combustion method and the high frequency plasma chemical synthesis and magnetic properties, crystallite size, specific surface area of synthesized products are characterized. Nanopowders synthesized in the high frequency plasma are with specific surface area in the range of (28 – 30) m2/g (the average particle size (38 – 40) nm, crystallite size ~40 nm). The ferrite nanopowders obtained by sol-gel self-combustion method have the specific surface area of (37 – 43) m2/g (average particle size (26 – 31) nm, crystallite size (10 – 20) nm). All synthesized nanopowders were sintered via pressure-less sinterin…
Investigations of Latvian Illite/Kaolinite Clays Irradiated Under Action of Accelerated Electrons
2019
Natural clay is a perspective material for application as sorbents for wastewater treatment as well as for sorption of radionuclides, where the properties of the clays can be changed under influence of ionizing radiation. For application of Latvian illite/kaolinite clays for isotope sorption it is important to characterize the physic-chemical properties of pre-prepared air dried clays. Two fractions of the illite clays were selected. A fraction with grain size 100 μm (SiO2 content 60.9 ± 1.5 wt.%, specific surface area 35 m2/g) and a sand free fraction – 2 μm (SiO2 47.7 ± 1.9 wt.%, specific surface area 38 m2/g). Selected fractions were irradiated with accelerated electrons (5 MeV, ELU-4, S…
Application of Tuning Fork Sensors for In-situ Studies of Dynamic Force Interactions Inside Scanning and Transmission Electron Microscopes
2012
Mechanical properties of nanoscale contacts have been probed in-situ by specially developed force sensor based on a quartz tuning fork resonator (TF). Additional control is provided by observation of process in scanning electron microscope (SEM) and transmission electron microscope (TEM). A piezoelectric manipulator allows precise positioning of atomic force microscope (AFM) probe in contact with another electrode and recording of the TF oscillation amplitude and phase while simultaneously visualizing the contact area in electron microscope. Electrostatic control of interaction between the electrodes is demonstrated during observation of the experiment in SEM. In the TEM system the TF senso…
Crop Nitrogen Retrieval Methods for Simulated Sentinel-2 Data Using In-Field Spectrometer Data.
2021
Nitrogen (N) is one of the key nutrients supplied in agricultural production worldwide. Over-fertilization can have negative influences on the field and the regional level (e.g., agro-ecosystems). Remote sensing of the plant N of field crops presents a valuable tool for the monitoring of N flows in agro-ecosystems. Available data for validation of satellite-based remote sensing of N is scarce. Therefore, in this study, field spectrometer measurements were used to simulate data of the Sentinel-2 (S2) satellites developed for vegetation monitoring by the ESA. The prediction performance of normalized ratio indices (NRIs), random forest regression (RFR) and Gaussian processes regression (GPR) f…
Dictamen profesional sobre la fusión y escisión como extrategias alternativas en un grupo de sociedades
2021
This work is a professional, legal opinion which sets out two alternative strategies (merger by absorption and partial demerger) in order to bring together the different areas of activity of the various companies in a group of companies. The aim is to provide solutions to the questions raised by customers and, therefore, to set out clearly and simply the procedure to be followed in each of the strategies, weighing up the advantages and disadvantages from each of them
Three rare lignicolous fungi from Sicily (S Italy)
2013
<em>Sarcodontia crocea</em> (Schwein.) Kotl., <em>Oligoporus mappa</em> (Overh. & Lowe) Gilbn. & Ryvarden and <em>Inonotus rickii</em> (Pat.) D.A. Reid. are reported for the first time from Sicily (southern Italy). Ecological and distributive features on the three relevant species are also here provided.
Délimitation d'ensembles morphologiques par une approche multi-échelle
2008
The paper deals with the identification of the envelope of built-up patterns that we define as the limit of a morphologically coherent set through the scales. The point of view is purely morphological; it refers to a multi-scale approach. Besides the description of the context of the research (that is the urban-rural delimitation) the paper is dedicated to the presentation of the methodological principles which allow the identification of the envelope of built-up patterns. The first step of the methodology, that is the step by step dilation of a studied built-up pattern, is briefly described. The emphasis is placed on the second step of the methodology that is the identification of a thresh…
Impact of Conservation Policies on Households’ Deforestation Decisions in Protected and Open-Access Forests: Cases of Moribane Forest Reserve and Ser…
2022
Tropical deforestation is considered a global priority due to its environmental, social, and economic impacts at international, national, and household levels. Conservation policies constitute one of the pathways to reverse this scenario. This paper examines the influence of forest protection measures on local communities’ livelihood decisions regarding forest clearing. It compares deforestation, access to forest resources, and households’ strategies in protected and open-access forests: the Moribane Forest Reserve (MFR) and Serra Chôa (SCH), two environmentally sensitive areas with different conservation statuses in Manica Province, central Mozambique. Socioeconomic data were collected fro…
Hyvä, paha lähiö : nuoret ja asuinalueella syntyvä sosiaalinen pääoma
2018
Nuorten elämä kiinnittyy usein voimakkaasti asuinalueeseen ja lähiympäristöön. Viime vuosina sekä nuorten sosioekonominen eriarvoisuus että lähiöiden sosiaalinen eriytyminen ovat lisääntyneet. Joistakin ongelmista huolimatta huonomaineisetkin lähiöt tarjoavat nuorille positiivisia samaistumisen kohteita, tukiverkostoja, kaveriporukoita, identiteetin rakentamisen välineitä – ja sosiaalista pääomaa. Tässä artikkelissa tarkastellaan, miten lähiössä asuvat ja kasvaneet nuoret kuvaavat asuinpaikkaansa ja sinne kiinnittyviä sosiaalisia suhteita. Aineistona on Tampereella Tesoman lähiössä asuvien nuorten yksilö- ja ryhmähaastatteluja, joita analysoidaan sekä aineisto-…