POTENŢIALUL DE RADON DIN SOL ŞI ESTIMAREA RISCULUI DE RADON

POLUAREA AERULUI ŞI PLOILE ACIDE ÎN CLUJ-NAPOCA. PROIECT DE MEDIU

STUDY REGARDING THE POSSIBILITIES TO REUSE THE SLUDGE FROM THE URBAN WASTEWATER TREATMENT PLANTS<br />

The high rhythm of urbanization causes an increase of the wastewater quantities and some times an increase of the wastewater sludge resulted from the urban wastewater treatments plants. Consequently there, appear more di...

THE INFLUENCE OF ENVIRONMENTAL FACTORS ON THE PARCHMENT'S BIODEGRADATION IN THE PRESENCE OF FUNGUS

Microscopic fungi have a very important role in the biodegradation of the heritage parchments. Four types of parchments (noted 1, M2, 3V, and 4A) made of lamb and calf leathers, the first three from Bucharest and the las...

ECOLOGICAL TEMPERATURE AND RELATIVE HUMIDITY CONTROLLER<br />

This paper presents the practical implementation of an ecological temperature and relative humidity controller, developed around of a PIC18F458 microcontroller. In this controller, all the materials used are Lead-Free. T...