Maria Sandu
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View article: Evaluation of the Temperature Sensitivity of the Lachrymatory Irritant 2-Chlorobenzalmalononitrile by Differential Scanning Calorimetry and Gas Chromatography-Mass Spectrometry
Evaluation of the Temperature Sensitivity of the Lachrymatory Irritant 2-Chlorobenzalmalononitrile by Differential Scanning Calorimetry and Gas Chromatography-Mass Spectrometry Open
Pyrotechnic compositions are mixtures of several components which, when ignited, undergo energetic chemical reactions at a controlled rate to produce on-demand delay times, amounts of heat, noise, smoke, light or IR radiation. In general, …
View article: The content of non-ionized ammonia in the surface waters from the Danube and Black Seas hydrographical basin
The content of non-ionized ammonia in the surface waters from the Danube and Black Seas hydrographical basin Open
In the study is evaluate the concentration of ammonia (NH3) in the waters of some rivers of the Danube and Black Sea river basin. In most of the water samples studied, the content of non-ionized ammonia varied in different years from less …
View article: Indicele de poluare cu nitrati a apei monumentelor naturale hidrologice protejate
Indicele de poluare cu nitrati a apei monumentelor naturale hidrologice protejate Open
The article displays the values of the nitrate pollution index of the Natural Hydrological Monuments water. Considered contaminated due human activities (20 mg/L NO3 - ) with the very significant pollution rating is MNH water from Copceac …
View article: Poluarea apelor de suprafata şi subterane cu compuşi ai azotului
Poluarea apelor de suprafata şi subterane cu compuşi ai azotului Open
In this paper the situation of pollution with nitrogen compounds both in the EU member states and in the Republic of Moldova was analyzed. Also, the existing methods of determination of nitrate ions are analyzed and the necessity of elabor…
View article: Starea resurselor de apa din satul Pogânesti raionul Hâncesti (studiu de caz)
Starea resurselor de apa din satul Pogânesti raionul Hâncesti (studiu de caz) Open
In the Republic of Moldova, 57,1% of the population are live in rural areas [23]. Wells and springs in rural areas serve as the main sources of drinking water. Thus, the study carried out in the Poganesti village (Hancesti district) has sh…