Wyniki wyszukiwania - Biblioteka Nauki

1

Heavy metals and phosphorus in snails of the River Liwiec and its tributaries

100%

Krolak E.

|

nr 4

2

Chemiczna ocena stanu czystosci wod w wybranych gminach wojewodztwa siedleckiego

100%

Krolak E.

|

1999

|

tom 56

99-105

3

Wplyw elektrowni w Kozienicach na stan srodowiska w wybranych gminach wojewodztwa siedleckiego

100%

Krolak E.

|

tom 57

125-137

4

The content of heavy metals in Dreissena polymorpha [Pall.] in lakes Majcz and Inulec, Masurian Lakeland

100%

Krolak E.

|

nr 4

5

Heavy metal content in falling dusts, soil and dandelion [Taraxacum officinale Webb.] in Southern Podlasie Lowland

100%

Krolak E.

|

nr 1

EN

The concentration levels of the following metals: Cd, Pb, Zn, Mn, Fe and Ni in falling dusts, soil and dandelion (Taraxacum officinale Webb.) were examined in selected areas of Southern Podlasie Lowland. The research was conducted from 1995 to 1999. The metals were marked by means of the AAS technique. The deposition of Cd and Pb metals did not exceed the values standardized in the Polish legislation, and the mean metal concentration in the soil was the same as the natural content. The mean metal concentration in dandelion leaves and root was within the values accepted as background in professional literature. It was proved that in agricultural lands that were not excessively loaded with heavy metals, the metal level in the root of the plant is of higher significance than in the leaves when using dandelion for bio-indicatory purposes.

6

Zanieczyszczenie srodowiska metalami ciezkimi wokol elektrowni w Kozienicach

63%

Krolak E. , Golec M.

|

tom 33

|

nr 4

135-139

7

Potassium-40 and cesium-137 in the surface layers of arable soils and food supplies

63%

Krolak E. , Karwowska J.

|

nr 3

599-604

8

Ocena zanieczyszczenia srodowiska metalami ciezkimi na terenie Parku Krajobrazowego Podlaski Przelom Bugu

63%

Krolak E. , Golub G.

|

2001

|

tom 27

|

nr 1

115-131

9

Heavy metal concentrations in molluscs from the Zegrzynski Reservoir and the rivers supplying it

63%

Jurkiewicz-Karnkowska E. , Krolak E.

|

nr 3

10

The use of various biotic indices for evaluation of water quality in the lowland rivers of Poland [exemplified by the Liwiec River]

63%

Korycinska M. , Krolak E.

|

nr 3

EN

Water quality of the liwiec River (the longest tributary of the Bug River, the South Podlasie Lowland, and the Central Mazovia Lowland) was evaluated in 1998-2000 and 2002 using selected physical and chemical parameters and macroinvertebrate analysis. Classification of water quality was done on the basis of physical and chemical parameters. Taxonomic composition of invertebrate macrofauna was used for calculation of the following biological indices: Belgian Biological Index (BBI), British BMWP/OQR Index, and modified for Polish rivers, Margaleff's index of biological diversity. The values of physical and chemical parameters showed that water of the Liwiec River belongs to the 2nd and 3rd class of quality (in the five degree scale). The values of BBI and BMWP/OQR indices revealed that the water was moderately polluted. According to the biodiversity index, the Liwiec River was classified as the 1st quality class. Correlation between chemical parameters and BBI and BMWP/OQR values shows that these indices may be used for evaluation of water quality in Polish lowland rivers (like Liwiec). However, in the case of the biodiversity index, the ranges for various water quality classes should be modified.

11

Heavy metals in the Konin lakes system

51%

Krolak E. , Pyka J. P. , Zdanowski B.

|

nr 4

12

Do water filters improve the quality of potable water?

51%

Krolak E. , Raczuk J. , Biardzka E.

|

tom 20

|

nr 1

EN

It is common knowledge that household water filtration systems cause water demineralisation. However, the available literature lacks data concerning to what extent filters decrease concentrations of chosen mineral components in water. The aim of the study was to estimate the effect of filters mounted on domestic water intakes on the changes in selected water properties. Water samples filtered in a reverse osmosis system and not enriched by further mineralization were taken for the study. Total hardness, concentrations of magnesium, calcium, chloride and nitrate ions and water pH and conductivity were determined after filtration and compared with the same parameters in water from the waterworks. Randomly chosen water samples used for the study were taken from sites in north-eastern Poland. The analyses were carried out according to current standards. All the studied samples of unfiltered water met the drinking-water quality standards laid down by the Regulation of the Minister of Health. In the study, it was demonstrated that water filters significantly decreased electrolytic conductivity as well as the concentrations of magnesium and calcium ions (decisive for water hardness) and chlorides. The analysed filters also increased water acidity. Drinking filtered water decreases the share of water in the recommended dietary allowance (RDA) for calcium and magnesium and may result in many diseases, which is discussed in the paper. No positive effect of water filters on nitrate concentrations was found. The authors proved that installing household water treatment devices seems unnecessary, especially when water is purchased from municipal waterworks and tested as safe for human consumption.

13

Comparative analysis of sewage sludge from two sewage treatment plants: in Mrozy and Siedlce (Mazowieckie Province)

51%

Krolak E. , Filipek K. , Biardzka E.

|

nr 2(56)

14

Czy lokalne oczyszczalnie ścieków wpływają na jakość wód w ich odbiornikach?

51%

Krolak E. , Korycinska M. , Diadik K. , Godziuk S.

|

2011