Heavy metals are one of the group of toxic pollutants in the soil. Over the past years, many researches have been conducted on the migration of heavy metals in soils and various models were developed in order to study the ...

Vertical Speed Control Measures are vertical elevated segments of roadway that require a vehicle to slow. Typical vertical speed control measures include speed humps, speed tables, raised sidewalks and raised intersections. ...

Due to high specific surface area, well-developed porous structure and surface functionality biochar has a potential for being used as low-cost adsorbent for adsorption of organic and inorganic contaminants from aqueous ...

With the number of vehicles increasing, the analysis of urban air pollution becomes expedient. This article deals with the integrated evaluation of road transport realised pollutant impact on the urban air. During research, ...

Wooden railway sleepers are impregnated with the chemicals that prevent the disassembling of the wood splitter. Such chemical wood impregnator as creosote or shale oil have been widely used to prolong the lifetime of wooden ...

The paper presents possible ways of utilizing technogenic waste – fluorine anhydrite – by its use in production of dry mortars and piece goods from lightweight concrete with expanded polystyrene, as a organic filler, for ...

One of the goals for environmental experts is to help avoid, prevent or reduce harmful effects on human health and the environment as a whole. The idea is that the public and the polluting companies would be informed of ...

Research studies on the adsorption kinetics are conducted in order to determine the absorption time of heavy metals on coffee grounds from liquid. The models of adsorption kinetics and adsorption diffusion are based on ...

2008 m. baigtas sudaryti Lietuvos valstybinis geodezinis vertikalusis pirmosios klasės tinklas, leidęs priimti naują Lietuvos aukščių sistemą LAS07 ir sukurti šiuolaikinius reikalavimus atitinkantį geodezinį aukščių pagrindą. ...