Now showing items 21-40 of 67

    • Eksperimentiniai biologinio geležies ir mangano šalinimo vienalaipsniu košimu iš aeruoto požeminio vandens tyrimai 

      Mažeikienė, Aušra; Karosas, Tomas (Ekologija, 2003)
      Eksperimentiniai tyrimai vykdyti Kirtimų vandentiekio mazge, jais siekta išsiaiškinti biologinio geležies bei mangano oksidavimo ypatumus ir galimybes šalinant iš geriamojo vandens šias priemaišas. Vilniaus Pagirių ...
    • Experimental research into the dispersion of railway traffic noise in the environment and its modelling 

      Baltrėnas, Pranas; Butkus, Donatas; Grubliauskas, Raimondas (Ekologija, 2008)
      In recent decades, inadequacies between nature and human activities have become one of the most relevant social-economic problems. With the rapid development of industrialisation and urbanisation, the environmental pollution ...
    • Gelžbakterių veiklos intensyvinimas eksperimentiniuose smėlio koštuvuose ruošiant geriamąjį vandenį 

      Mažeikienė, Aušra (Ekologija, 2005)
      Nors 2-asis koštuvas buvo plaunamas intensyviau, nei 1-asis, jame gelžbakterių aptikta daugiau. Tam įtakos turėjo lėtesnis košimo greitis. Mažiausiai gelžbakterių aptikta 3-iojo koštuvo, dirbusio didžiausiu (v = 20 m/h) ...
    • Grass vegetation dynamics in soil contaminated with salt 

      Baltrėnas, Pranas; Kazlauskienė, Agnė (Ekologija, 2007)
      To maintain safety during winter, de-icing salt (sodium chloride) is sprinkled over roads. Snow mixed with highway salt later is cleared by snowploughs and usually left on roadsides where trees are planted. On conifers, ...
    • Grassland fire effects on ash properties and vegetation restoration in Lthuania (North-Eastern Europe) 

      da Silva Pereira, Paulo Alexandre; Bolutienė, Violeta; Karlonienė, Dovilė; Pundytė, Neringa; Pranskevičius, Mantas; Marčiulaitienė, Eglė; Úbeda, Xavier; Mataix-Solera, Jorge; Cerdà, Artemi (FLAMMA, 2012)
    • Herbicido glifosato poveikio kompostiniam sliekui (E. fetida L.) tyrimai ir vertinimas 

      Dajoraitė, Greta; Žaltauskaitė, Jūratė; Zigmontienė, Aušra (Mokslas - Lietuvos ateitis : Aplinkos apsaugos inžinerija = Science - Future of Lithuania : Environmental protection engineering, 2016)
      Glifosatas yra herbicidas, plačiai naudojamas piktžolėms naikinti. Dėl masinio ir netinkamo naudojimo bei didelio tirpumo vandenyje glifosatas turi įtakos sausumos ekosistemoms. Eksperimento tikslas – įvertinti skirtingų ...
    • Impact of temperature on biological phosphorus removal from wastewater in Lithuania 

      Vabolienė, Giedrė; Matuzevičius, Algirdas Bronislovas; Dauknys, Regimantas (Ekologija, 2007)
      Enhanced biological phosphorus removal (EBPR) is frequently efficient, but the process can be unreliable because it is influenced by many factors. Temperature is an important factor determining the outcome of competition ...
    • Influence of biofilter’s temperature regimes on air cleaning 

      Vaiškūnaitė, Rasa; Baltrėnas, Pranas (Ekologija, 2007)
      Microorganisms cultivated in the biofilter in the course of air cleaning depend on ambient ecological factors that have impact on organism development, procreation, oxidation of pollutants etc. Among the major ecological ...
    • Influence of substrate on biological removal of phosphorus 

      Dauknys, Regimantas; Vabolienė, Giedrė; Valentukevičienė, Marina; Rimeika, Mindaugas (Ekologija, 2009)
      Nitrogen and phosphorus removal from wastewater is a way to avoid eutrophication of water bodies. The most oft en used method for phosphorus removal from wastewater is biological treatment. Under anaerobic conditions, ...
    • Influence of various factors on structure and properties of polymer materials during long-term exposure to natural conditions 

      Jaskelevičius, Bronius; Lugauskas, Albinas; Levinskaitė, Loreta; Prosyčevas, Igoris (Materials science = Medžiagotyra / Kaunas University of Technology, Academy of Sciences of Lithuania, 2002)
      During the period of 1980 - 2001 the polymer films of various chemical formulations and exploitation purposes were investigated for their resistance to natural factors under the different exposure conditions of temporary ...
    • Investigation of black oil and diesel biodegradation in water 

      Ignatavičius, Gintautas; Oškinis, Vytautas (Ekologija, 2007)
      The effectiveness of biopreparations in destruction of black oil and diesel contaminated water was analysed. The destructive ability of the preparation GVT was compared with that of another biopreparation, K-2000, and of ...
    • Investigation of temperature dynamics in composted waste 

      Baltrėnas, Pranas; Mikalajūnė, Audronė (Ekologija, 2008)
      Waste management is a relevant issue for Lithuania. The municipal waste collection systems are not efficient, the equipment is worn out. The majority of waste that could be reused is disposed in the landfills. One of waste ...
    • Investigation of the Jerubaičiai landfill leachate 

      Petraitis, Egidijus (Ekologija, 2009)
      According to the data provided by the Plungė Municipality, all old waste accumulation sites have been closed and are undergoing re-cultivation. The only operating landfill is the new landfill of Jerubaičiai. The new landfill ...
    • Kyoto Protocol requirement and wind energy evolution in Lithuania 

      Jaskelevičius, Bronius (Ekologija, 2007)
      Potential savings of fossil fuel – fuel oil or natural gas amounts – needed to generate the predicted wind power electricity quantity by thermal power plants have been calculated. Fuel savings would enable to prevent ...
    • Level and formation peculiarities of chemical and physical pollution in the workplaces 

      Vasiliauskienė, Vaida; Girgždienė, Raselė (Aplinkos tyrimai, inžinerija ir vadyba = Environmental research, engineering and management, 2010)
      The use of computers, printers, copiers, other electronic equipment and technological processes increases indoor air pollution. Traditional collection of previous home and office air pollutants as sulphur dioxide, carbon ...
    • Mapping total nitrogen in ash after a wildland fire: a microplot analysis 

      da Silva Pereira, Paulo Alexandre; Úbeda, Xavier; Baltrėnaitė-Gedienė, Edita (Ekologija = Ecology / Lietuvos mokslų akademija, Gamtos tyrimų centras, 2010)
      Nitrogen (N), due its low temperature volatilization, is one of the elements most vulnerable to fire. This effect depends on fire severity, which varies depending on biophysical conditions which can be heterogeneous across ...
    • Mažo buitinių nuotekų valymo įrenginio darbo tyrimai 

      Valeikaitė, Ernesta; Mažeikienė, Aušra (Mokslas - Lietuvos ateitis : Aplinkos apsaugos inžinerija = Science - Future of Lithuania : Environmental protection engineering, 2015)
      Lietuvoje centralizuoto buitinių nuotekų valymo technologijos yra taikomos gana efektyviai, tačiau beveik nėra duomenų, kaip veikia maži individualaus buitinių nuotekų valymo įrenginiai. Straipsnyje analizuojami mažu ...
    • Metal uptake by scots pine (Pinus sylvestris L.) infected by heterobasidion annosum 

      Raginytė, Giedrė; da Silva Pereira, Paulo Alexandre; Baltrėnaitė-Gedienė, Edita; Paliulis, Dainius (Darnaus vystymosi strategija ir praktika = Sustainable development strategy and practice : research papers, 2011)
      Heterobasidion annosum (Fr.) Bref., also known as annosum root rot, is considered to be the most economically important forest pathogen in the Northern Hemisphere. This pathogen is the biggest threat to coniferous trees. ...
    • Noise studies and reduction possibilities in a residential area located by a highway 

      Baltrėnas, Pranas; Butkus, Donatas; Grubliauskas, Raimondas; Kučiauskaitė, Jurga (Ekologija, 2009)
      Many residents suffer from traffic-generated noise. Traffic is the most prevailing source of noise in cities. With the number of vehicles increasing and traffic intensity growing, the awareness of environment pollution ...
    • Oro taršos įvertinimas ekonominės žalos pagrindu 

      Rutkauskas, Aleksandras Vytautas; Juščius, Vytautas (Jūra ir aplinka : jūrų technologijos ir gamtos mokslai, 1999)
      Economical pollution damage conception is used like the main instrument for disclosure of air pollution evaluation. The asserition is valid for carrying out of economical analysis as well as for formation of economical ...