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Name
Environment. Technology. Resources.
Type
Journal
Items
455 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
http://journals.ru.lv/index.php/ETR/oai

 

  • Bioenergy Resources in Latvia

    The paper presents results of study aimed to evaluate issues of current development of bioenergy in Latvia, taking into account restrictions, which may affect future progress of main biomass sources. These restrictions are based on latest European Union (EU) regulations and recommendations; and worldwide concerns of scholars on sustainability, particularly environmental (e.g. biodiversity, ecosystem resilience, carbon sequestration) of bioenergy (biomass) development. The appropriate qualitat...

    Vide kā dzīves telpas vieta jeb par to - kā domāt vidi

    Visi it kā zin, ko saprast ar jēdzienu „vide” līdz tam, kad izvirza jautājumu: kas ir vide? Līdz ar jaunākajiem laikiem arī Latvijā „vide” kļuvusi par vārdu, ko salīdzinoši bieži lieto gan ikdienas apziņas līmenī, gan teorētiskajā domā. Par vidi zinību vēsturē ir blīvs semantiskais lauks. Pieņemsim, ka šoreiz nav nepieciešama stingra definīcija, bet gan domāšana par to, kā saprast vidi un par to runāt humanitārā un sociālā diskursā. Mūsu valoda par vidi kā veselo lielā mērā ir veidota pēc ana...

    CONDITIONS FOR SUCCESSFUL DEVELOPMENT OF ELECTRONIC COMMERCE IN LATVIA

    The electronic commerce has become an integral part of the global economy during the last decade. The most obvious indication of the importance of electronic commerce in the world economy is rapidly increasing Internet use in trade and other sectors. The successful growth of E-commerce promotes the use of other electronic media, as well as it is perspective for development of territories located in backcountry and remote regions. In the result of the Internet and electronic commerce technolog...

    DESIGN OF PERMANENT MAGNET LINEAR SYNCHRONOUS MOTOR DRIVING 2D TABLE FOR LASER MARKING

    In this paper, the results from design of a permanent magnet linear synchronous motor are published. The motor will drive a table for laser marking of various small details. This table will be part of the equipment of Laser Technologies Laboratory of the Research Centre for Physical Processes and Laser Technologies at Rezekne Academy of Technologies. In the design process, a comprehensive approach was used in which the theory of electric and magnetic circuits was combined with Finite Element ...

    ON MATHEMATICAL MODELLING OF THE 2-D FILTRATION PROBLEM IN POROUS AXIAL SYMMETRICAL CYLINDER

    In this paper we study diffusion and convection filtration problem of one substance through the pores of a porous material which may absorb and immobilize some of the diffusing substances. As an example we consider round cylinder with filtration process in the axial direction. The cylinder is filled with sorbent i.e. absorbent material that passed through dirty water or liquid solutions. We can derive the system of two partial differential equations (PDEs). One equation is expressing the rat...
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