Ograniczanie wyników
Czasopisma help
Lata help
Autorzy help
Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników
Znaleziono wyników: 177
first rewind previous Strona / 9 next fast forward last
Wyszukiwano:
w słowach kluczowych:  organic matter
help Sortuj według:

help Ogranicz wyniki do:
1
100%
Oceanological and Hydrobiological Studies
EN This study presents and discusses the result of research on the chemical composition of bottom sediments of throughflow lakes located in Drawieński National Park. Basic hydrochemical indicators of the studied sediments are discussed: total organic carbon (Corg), total nitrogen (Ntot), and the C_org/[...]
2
100%
Journal of Water and Land Development
1999 no. 3 113-124
PL Uzyskane równania pozwalają obliczyć BZT5 ścieków cukrowniczych oczyszczanych w 4 różnego typu zbiornikach akumulacyjnych w dowolnym dniu okresu intensywnego samooczyszczania ścieków (marzec-wrzesień) na podstawie jednego oznaczenia wartości BZT5, wykonanego w początkowej fazie[...]
EN Obtained equations allow for calculating BOD5 of sewage from sugar industry treated in 4 different types of accumulation lagoons on any day of intensive self-purification (May-September) basing on a single BOD5 measurement in the initial phase of this period and on the course o[...]
3
100%
Oceanological and Hydrobiological Studies
EN The potential capability to decompose macromolecular compounds was confirmed in heterotrophic bacteria isolated from two sandy beaches located on the southern Baltic coast. Proteolytic bacteria were the most numerous group, whereas lipolytic organisms were rare among bacteria inhabiting the studied [...]
4
100%
Geological Quarterly
EN This paper reviews the classifications of organic soils as applied in different countries, with particular attention drawn to those based on international and European norms. These norms propose the distinction of four groups of organic soils: peats (fibrous, pseudo-fibrous, and amorphous), gyttja a[...]
5
100%
Polish Journal of Ecology
EN Changes of environmental conditions in mesocosms differentiated in the accessibility for epigean arthropods (closed and open for animals) were compared on a meadow of the Arrhenatheretalia order. In general, moisture of the exposed litter and of the underlying substrate did not differ between the op[...]
6
100%
Oceanological and Hydrobiological Studies
2014 Vol. 43, No. 3 211--218
EN The study was conducted in Lake Długie located in Olsztyn, the Masurian Lake District. In the 1950s and in the 1960s, Lake Długie was used for 20 years as a collector of raw domestic and storm sewage. This has led to complete degradation of the lake. After preliminary protection measures implemented[...]
7
100%
Journal of Ecological Engineering
2016 Vol. 17, nr 1 131--135
EN About 2000 plants are involved in fruit and vegetable processing in Poland, they are mostly located in non-urbanized areas and without any access to sewerage and sewage treatment facilities. In 2014, they produced more than 10 hm3 of wastewater requiring treatment, which was discharged di[...]
8
100%
Journal of Ecological Engineering
EN Humic substances are a natural admixture of surface water and determine the level of organic pollution of water and colour intensity. Application of coagulation process in surface water treatment allows for decrease turbidity and colour of water, as well as organic matter content. In Poland most dri[...]
9
100%
Journal of Ecological Engineering
2018 Vol. 19, nr 1 104--112
EN The article reports the conducted analyses of certain chemical parameters characterising the sediments of Poland’s Besko Reservoir. Specifically, determinations concerned the pH value, percentage organic matter (OM), total organic carbon (TOC), total nitrogen (TN), carbonates (CO32-<[...]
10
100%
Geology, Geophysics and Environment
2018 Vol. 44, no. 3 309--317
EN Organic matter has important influences on the fate of environmental pollution in water dam reservoirs. The aim of the studies was to assess content of organic matter fractions in Rybnik reservoir bottom sediments, and to determine their influence on the content of heavy metals and PAHs. In three se[...]
11
100%
Geological Quarterly
2017 Vol. 61, No. 1 214--226
EN Random vitrinite reflectance of allochthonous plant material varies throughout all the flysch sedimentary units of the Outer Western Carpathians. The vitrinite reflectance of coalified phytogenic matter is variable even within the same lithostratigraphic unit. There is no clear relationship between [...]
12
100%
Journal of Ecological Engineering
2019 Vol. 20, nr 9 237--244
EN The aim of the research was to evaluate the effectiveness of the coagulation process using pre-hydrolysed salts, polyaluminium chlorides, in reduction of water pollution with organic substances, including precursors to formation of trihalomethanes (THMs) during water chlorination. Surface water coll[...]
13
100%
Archiwum Ochrony Środowiska
PL W pracy badano udział bakterii redukujących siarczany (BRS) w biodegradacji materii organicznej. Mikroorganizmy izolowano z gleby poligonu wojskowego oraz z terenu rafinerii. Wyizolowane zespoły mikroorganizmów były zdolne do biodegradacji związków małocząsteczkowych będących produktami biodegradacj[...]
EN Biodegradation of organic matter by sulphate-reducing bacteria (SRB) isolated from soil from military testing ground and petroleum plants were investigated. The isolated microorganisms utilized low molecular weight compounds and participation of SRB in biodegradation of these compounds was similar i[...]
14
100%
Oceanologia
2001 No. 43 (4) 421-439
EN The aim of this study was to identify and quantify lignin transported from the River Vistula to the accumulation area in the Gdansk Basin. Sediment samples collected along the Vistula mouth - Gdansk Deep transect were analysed for lignin. Lignin was characterised by oxidative degradation, cupric oxi[...]
15
100%
Journal of Ecological Engineering
2020 Vol. 21, nr 1 219--223
EN The purpose of the work was to determine the efficiency of domestic wastewater treatment contaminated with a mixture of pesticides at varying deposit load. The efficiency of purification in the case of eight pesticides equaled 99.8%, and the removal effect of azoxystrobin reached 93%, while that of [...]
16
88%
Oceanological Studies
EN Sopot's intensively used sandy beach was studied to assess organic matter deposition and swash water filtration through the sediment on the water line. The swash water contained from 4 to 80 mg Total Suspended Matter (TSM) per dm3, 3 to 12% of it was organic. Phytoplankton ranged from 1 to 15 millio[...]
17
88%
Oceanological and Hydrobiological Studies
EN Nutrients, pH, and organic matter were determined in water samples collected from the Raba River above Dobczyce Reservoir (meso-eutrophic), from the Dunajec River above Czorsztyn Reservoir (mesotrophic), and Rożnów Reservoir (eutrophic), and in the bottom sediments of the reservoirs. The river water[...]
18
88%
Ecological Chemistry and Engineering. S
PL Przebieg zmian szybkości wydzielania ciepła dostarcza informacji o kinetyce procesów biodegradacji materii organicznej w glebie. Celem niniejszej publikacji jest przegląd literatury i przedstawienie na jego tle wyników badań własnych dotyczących zastosowania metody kalorymetrycznej do kinetycznej an[...]
EN The course of changes for the rate of heat production (RHP) provides information on kinetics of biodegradation processes of organic matter in soil. The following publication aims at reviewing the literature and presenting on its background the results of own research on applying calorimetric method [...]
19
88%
Geological Quarterly
2015 Vol. 59, No. 4 603--614
EN This study details the petrology and chemistry of the Oligocene succession of the Grybów Nappe in its stratotype-locality in the Grybów tectonic window (Polish Carpathians). The section studied is composed of the Sub-Grybów Beds, the Grybów Marl Formation (GMF), and the Cergowa Beds, representing th[...]
20
88%
Studia Geotechnica et Mechanica
EN Due to the rapid development of geothermal technologies, the problem of efficient and proper evaluation of soil thermal conductivity becomes extremely important. Factors mostly affecting the soil conductivity are the conductivity of solid phase and the degree of saturation. The former one is mainly [...]
first rewind previous Strona / 9 next fast forward last