Search results for " Protection"

Inorganic nanomaterials in the aquatic environment: behavior, toxicity, and interaction with environmental elements

2016

AbstractThe aim of this paper is to present characteristics, toxicity and environmental behavior of nanoparticles (NPs) (silver, copper, gold, zinc oxide, titanium dioxide, iron oxide) that most frequently occur in consumer products. In addition, NPs are addressed as the new aquatic environmental pollutant of the 21stcentury. NPs are adsorbed onto particles in the aquatic systems (clay minerals, fulvic and humic acids), or they can adsorb environmental pollutants (heavy metal ions, organic compounds). Nanosilver (nAg) is released from consumer products into the aquatic environment. It can threaten aquatic organisms with high toxicity. Interestingly, copper nanoparticles (Cu-NPs) demonstrate…

EPR DOSIMETRY IN A MIXED NEUTRON AND GAMMA RADIATION FIELD

2004

Suitability of Electron Paramagnetic Resonance (EPR) spectroscopy for criticality dosimetry was evaluated for tooth enamel, mannose and alanine pellets during the 'international intercomparison of criticality dosimetry techniques' at the SILENE reactor held in Valduc in June 2002, France. These three materials were irradiated in neutron and gamma-ray fields of various relative intensities and spectral distributions in order to evaluate their neutron sensitivity. The neutron response was found to be around 10% for tooth enamel, 45% for mannose and between 40 and 90% for alanine pellets according their type. According to the IAEA recommendations on the early estimate of criticality accident a…

Nitrous oxide emissions in a membrane bioreactor treating saline wastewater contaminated by hydrocarbons

2016

The joint effect of wastewater salinity and hydrocarbons on nitrous oxide emission was investigated. The membrane bioreactor pilot plant was operated with two phases: i. biomass acclimation by increasing salinity from 10 gNaCl L−1 to 20 gNaCl L−1 (Phase I); ii. hydrocarbons dosing at 20 mg L−1 with a constant salt concentration of 20 gNaCl L−1 (Phase II). The Phase I revealed a relationship between nitrous oxide emissions and salinity. During the end of the Phase I, the activity of nitrifiers started to recover, indicating a partial acclimatization. During the Phase II, the hydrocarbon shock induced a temporary inhibition of the biomass with the suppression of nitrous oxide emissions. The r…

Determination of toxic elements by cathodic-stripping-voltammetry

1981

The DPCSV determination of arsenic, selenium and tellurium in the sub-ng/ml range is discussed. After electrolytic deposition of the elements as intermetallic compounds with copper on the electrode surface, the determination is carried out by cathodic stripping. The simultaneous determination of selenium and tellurium or of selenium and arsenic is possible. Problems which occur in the application of these methods are discussed.

Characteristics of environmental treaties (remarks on the background of polish law)

2018

The subject of the study is an indication of the characteristics of international agreements in the field of environmental protection. The analysis of environmental international agreements allows for the formulation of several characteristics, generally assuming that these contracts are not different from other international agreements in the national legal order and are subject to thesame legal regime at international level. Characteristics include: institutionalization of treaties, specific design, susceptibility to change due to scientific progress, sectorality and subject and formal diversity. The author is aware that studying the basics of environmental protection can lead to the sepa…

IEL.22-23- Unit 1. The protection of the environment in its international dimension

2022

El document forma part dels materials docents presentants al Servei de Política Lingüística de la Universitat de València, convocatòria Premis Fernando Sapiña 2022 a la qüalitat lingüística en l’elaboració de materials docents en valencià i en anglès UNIT 1.-THE PROTECTION OF THE ENVIRONMENT IN ITS INTERNATIONAL DIMENSION. GENERAL ASPECTS. 1. Environmental protection: basic concepts - The international dimension of environmental protection: factors and interests at work -A. A single but compartmentalized World; B. Transboundary and global problems; C. International cooperation and conditioning factors. 2. Historical evolution: A. The 1972 Stockholm Conference on the Human Environment. B. Th…

IEL.21-22- Unit 1. The protection of the environment in its international dimension

2022

International Environmental Law. Unit 1. The protection of the environment in its international dimension. Powerpoint of the Academic course 2021-2022. UNIT 1.-THE PROTECTION OF THE ENVIRONMENT IN ITS INTERNATIONAL DIMENSION. GENERAL ASPECTS. 1. Environmental protection: basic concepts - The international dimension of environmental protection: factors and interests at work -A. A single but compartmentalized World; B. Transboundary and global problems; C. International cooperation and conditioning factors. 2. Historical evolution: A. The 1972 Stockholm Conference on the Human Environment. B. The 1992 Rio de Janeiro Conference on Environment and Development C. The 2002 Johannesburg World Summ…

IEL.20-21- Unit 9. The EU environmental policy

2021

International Environmental Law. Unit 9. The EU's environmental policy. Powerpoint of the Academic course 2020-2021. General aspects: the original silence of the founding treaties - The constitutionalisation of the European Union's environmental policy: a specific examination of the Treaty on the Functioning of the European Union - Environmental legislation in the European Union: development and implementation - The Environmental Action Programmes- European Green Deal.

Respingimenti a catena e tutela cautelare del diritto d’asilo. Le ordinanze del Tribunale di Roma sulle ‘riammissioni informali’ in Slovenia

2021

On the 3rd of May, the Rome Tribunal accepted the complaint lodged by the Ministry of Interior against the interim measure with which, last January, the same Court declared the illegitimacy of the procedure of migrants and asylum seekers informal readmission in Slovenia, because of the violation inter alia of the principle of non-refoulement. Despite the negative outcome for the asylum seekers, the order of the complaint did not refute the reasoning of the judge of the first instance who, for the first time, recognized the entry protection by issuing an urgent precautionary measure. This contribution focuses on the recent tendency of States’ national Courts to provide protection, including …

Cooperation on Readmission in the Mediterranean Area and its Human Rights Implications

Questo lavoro analizza la ‘dimensione esterna’ delle politiche migratorie dell’Unione Europea e dei suoi Stati membri concentrandosi su strumenti, politiche e pratiche di cooperazione internazionale in materia di riammissione, rimpatrio e partenariato per la mobilità con Paesi terzi nell’area mediterranea. In particolare, lo scopo di questo studio è di analizzare criticamente le politiche europee e bilaterali in materia di riammissione, indagando da un lato il crescente ricorso a strumenti di cooperazione internazionale di tipo informale e di natura quasi-giuridica o politica, e dall’altro l’impatto di tali strumenti sul rispetto degli standard internazionali e sovranazionali di tutela dei …