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Publications (19)
This study is focused on the groundwater system of the Rashche Spring which serves as the main source of drinking water for the City of Skopje, located at the foot of the widely karstified Zeden massif. Investigations were made to define the mechanisms of groundwater recharge and its residence time. This was done using isotope tracers including ¹H,...
A b s t r a c t: The phase transformations of the amorphous SiO2 have a very important role in the application of diatomite in the production of ceramic products. Therefore the phase transformations of diatomite are observed with the use of DTA and TGA at temperatures up to 1100°C, and diatomite in powder state heated at temperature 1000–1200°C for...
For the characterization of the natural amorphous SiO2 found in a new deposit in Republic of Macedonia, the following examinations were performed: physical-mechanical, chemical, mineralogical, SEM, IR and thermal examinations. Physical-mechanical analyses show that it is a white to grey colored rock, of low hardness, with a low volumetric mass and...
In addition to the relevant geological, hydro-geological and
hydro-meteorological data, the distribution of the Environmental
isotopes, O-18/O-16, H-2/H-1 and Tritium concentrations in the local
hydrological cycle (precipitation, surface, ground and Spring waters),
have been observed and analyzed, all in order to determine the mechanism
of recharge...
On the borders between FYR of Macedonia, Albania and Greece there are three
lakes: Ohrid Lake, and Big and Small Prespa Lakes. Galichica and Dry
mountains separate the lakes. Several Projects (Supported by IAEA, NATO, EU,
UNESCO and others) have been dealing with the determination of the water
balance and the protection of Prespa and Ohrid Lakes wi...
The Prespa-Ohrid lake system is shared between Greece, Republic of Macedonia
(Former Yugoslav Republic) and Albania. In the recent years a water decrease in
the Prespa Lake has triggered a number of studies on this very complex and
important water system. As part of an international research project in which
institutions from the UK, Greece, R. Mac...
Water supply, especially in urban areas, is one of the most important issues all
over the world. Tritium (3H or T) as a natural radioactive isotope of hydrogen
with a half-life (T1/2) of 12.26 years has been accepted as an efficient tool in
groundwater hydrology. By using an appropriate model, relevant hydro
meteorological and isotope data, a compu...
The Prespa-Ohrid lake system is shared between Greece, Republic of Macedonia
(FYRO) and Albania. In recent years a water decrease in the Prespa Lake has
been recorded. Though it has been established that the water from the Prespa
Lake flows into the Ohrid Lake through the Galichica mountain, it is not clear
whether this is the main reason for the l...
The Prespa Lake is on the border between Greece, Albania and Republic of Macedonia. The importance of Prespa Lake has been widely recognised by national and international bodies in the three neighbouring countries not only because of its natural beauty, but also because of its high biodiversity, including populations of rare water birds, like for e...
Prespa Lake and Ohrid Lake constitute a hydraulic system shared between Albania, FYR of Macedonia and Greece. Karst rocks
separate both lakes. The elevation of Prespa Lake is about 150m higher than that of Ohrid Lake. Considering these facts,
Cvijić formulated in 1906 the hypothesis that Prespa Lake recharges the St. Naum and Tushemisht springs at...
Due to an intensive exploitation of the geothermal waters from the locality Podlog - Banja, Kocani, Macedonia, the oscillation of the piesometric water level of the local aquifer, with residual decreasing of the level up to 10 m/y., has been observed. With an aim to preserve the natural conditions of the aquifer, a research program including an exp...
On the basis of experimental results received from long term geochemical, hydrogeological and radiological investigations in the Vardar river system, a radioecological model was developed. In accordance with this model a computer programme for simulating the distribution of radionuclides released into the surface water and calculating the internal...
Instrumental activation analysis was used to determine the contents of certain elements in human serum albumin (HSA). Sample
irradiation was performed with a thermal neutron flux of 1.5·1013 n·cm−2·sec−1 in the RA nuclear reactor of the Boris Kidrič Institute, Vinča. Measurements were performed on a 4096-channel analyser with
a high-resolution Ge(L...
The paper attempts to determine the origin of water in a karstic spring, the formation of which could derive from various flows (surface and underground) arising from a large precipitation area. The isotopic distribution in the precipitates is uniform. The method is applied to the practical problem of the Rashche Spring. The water in the spring ori...
With aim to contribute in better understanding the dynamics of the karst spring "Babuna", located in the vicinity of Titov Vêles, SR Macedonia, besides the other geological, hydrogeological and hydrometeorological investigations, determination of natural isotopes (3 H, 14 C, 6 18 0 and 6 2 H) distribution in local precipitations and underground wat...