131 articole găsite pentru „Water”.
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STUDIES REGARDING THE USE OF PHOSPHATE GROUPS-IMPREGNATED RESINS IN VIEW OF METAL IONS REMOVAL FROM SOLUTIONS
Cerc. st. dr. ing. Mihaela CIOPEC, Sef lucr. dr. ing. Cornelia MUNTEAN, Sef lucr. dr. ing. Adina NEGREA, Prof. dr. ing. Petru NEGREA, Prof. dr. ing. Corneliu DAVIDESCU, Asist. dr. ing. Lavinia LUPA
Prezenta ionilor metalelor grele in mediu constituie o preocupare majora datorita toxicitatii lor pentru multe forme de viata. Tratarea apelor reziduale continand ioni de metale grele necesita concentrarea metalelor intr-un volum mai mic urmata de recuperarea…
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STUDY REGARDING THE USE OF NEW SUSTAINABLE TEXTILE MATERIALS
Dorin VLAD, Alina Mihaela COLDEA, Diana COMAN
This paper presents a new eco-efficient way about using textile materials in order to minimize potential environmental impacts and human health. It also shows the advantages and the limitation of these materials. Because conventional textile production is one…
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COMPARATIVE SUSTAINABLE ANTIBACTERIAL TECHNOLOGIES FOR TEXTILE APPLICATIONS
Diana COMAN, Narcisa VRÎNCEANU, Simona OANCEA, Ioan NEAGU
The present study is both a review regarding the newest methodologies of application of antibacterial agents on textile supports, natural and chemical, and an antithesis focusing on the comparison between well known antibacterial agents, ranging from syntheti…
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POSSIBLE MEASURES OF TAKING-OVER/ DYNAMIC CONTROL OF SEISMIC ACTIONS APPLICABLE TO URBAN UTILITY SYSTEMS. SEISMIC WAVES DEFLECTION/ DAMPING USING METAMATERIALS
Bogdan UNGUREANU, Gabriela M. ATANASIU, Victoria COTOROBAI
Nowadays, an accurate seismic prediction regarding the date, location and magnitude is still a challenge, thing that implies taking into consideration efficient, preventive, seismic risk management measures, not only for civil buildings but also for urban uti…
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CONSIDERATIONS ON CONTACTLESS ELECTROMAGNETIC TECHNIQUES FOR MEASURING SOIL CONDUCTIVITY
Tudor BURLAN-ROTAR, Constantin STANESCU, Melania TAMAS
Conventional determination of resistivity by galvanic method requires a relatively large amount of labor to apply them in practice and is therefore expensive. It is the lateral or vertical variations of resistivity which form the basis of any interpretation. …
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THE EXERGY ANALYSIS OF THE INDUSTRIAL SYSTEMS
Ilie SIMINICEANU
This paper deals with the exergy analysis of a nitric acid plant with ammonia oxidation at normal pressure, and chemical absorption at a pressure of 5 bar (1/5 process).The exergy balance model established previously for open chemical systems, and the corresp…
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SUSTAINABLE DEVELOPMENT THROUGH PHOTOVOLTAIC ENERGY
Mihai CRENGANIS, Octavian BOLOGA
Our paper presents general aspects regarding renewable energy and its technologies. We are summarizing the characteristics of the photovoltaic energy. Also the paper describes the main components of a 24 MW photovoltaic project around Sibiu city. The goal of …
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CENTRUL DE COMPETENŢĂ PENTRU TEHNOLOGII SPAŢIALE DIN CONSTANŢA DEDICAT DEZVOLTĂRII SUSTENABILE A REGIUNILOR MARINE ȘI COSTIERE ROMÂNEȘTI – COSMOMAR
Răzvan MATEESCU, Simion NICOLAEV, Luminița BUGA, Gabriel GANEA,Eden MAMUT, Claudiu FERCU, Laurențiu OANCEA
Marea Neagră este bazinul terminal al unei treimi din reţeaua hidrografică a Europei (de cinci ori mai mult decât suprafaţa sa). Dintre toate bazinele oceanului planetar, degradarea mediului în bazinul Mării Negre este cea mai severă. Monitorizarea stării tro…
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A study of electrochemical oxidation of 2.4-dinitrophenol from wastewaters in order to protect the quality of soils
Bebeselea Adriana, Mnerie Gabriela
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EFFECT OF CHLORIDE IONS SOURCE ON CORROSION OF REINFORCED NORMAL AND HIGH PERFORMANCE CONCRETE
PhD, Assist. Prof. Tareq Salih AL-ATTAR, MSc, Lect. Mustafa Sameer ABDUL-KAREEM
The aim of this paper is to investigate the influence of chloride ions source on corrosion of steel embedded in different types of concrete. The experimental part consisted of: chloride content analysis, rapid chloride permeability test (RCPT), and linear pol…
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Cresterea eficientei unui sistem urban de alimentare cu energie termica prin utilizarea energiei geotermale
Sef lucr. dr. ing. Sorin Dimitriu, Prof. dr. ing. Ana-Maria Bianchi, Conf. dr. ing. Florin Baltaretu
Lucrarea trateaza o tema de mare interes si actualitate pentru Romania: procesul de reabilitare si modernizare a sistemelor urbane de alimentare cu energie termica. O solutie atractiva si promitatoare referitoare la cresterea eficientei energetice a acestor s…