The widespread use of a great number of different types and manufacturer brands of tractors in agricultural use raises several important questions. These all concern […]
Monitoring oil degradation during operating tests
This paper deals with a lifetime test of the hydraulic and transmission oil, Shell Spirax S4 ATF (Universal Tractor Transmission Oil (UTTO)). This fluid was […]
Phytochemical Diversity of Fennel landraces from Various Growth Types and Origins
The presence of certain secondary metabolites in fennel essential oil is the cause of its pharmacological and flavoring properties. In this study phytochemical diversity including […]
Support scheme for CHP and its sensitivity on heat wasting
This paper describes basic principles of the CHP, advantages and disadvantages, technologies. In first part of article are described principles of CHP from the viewpoint […]
Developing a new design of wood chopper for grape vine and fruit tree pruning and the results of field testing
The problem of collecting and utilising the pruned canes of grape vines and branches and twigs from fruit trees that are left in vineyards and […]
The possibilities of pneumatic reactive stabilization of vehicles
This paper describes a new and original way of car stabilization as an alternative or support for the common ESP stabilization method. It summarizes the […]
Bacterial endophytes of grapevine (Vitis vinifera L.) as promising tools in viticulture: isolation, characterization and detection in inoculated plants
Bacterial endophytes may positively influence the host plants, and the search for new strains with beneficial properties is a promising research direction. We isolated culturable […]
Feasibility study of a local power supply system for sparsely populated areas in Estonia
The paper analyzes the reasonability of using an off-grid hybrid power supply system or in other words a local grid for sparsely populated areas as […]
Basic theory and methods for managing energy efficiency in consumer systems
In this article, we present a scientifically proven methodology for monitoring and controlling of industrial energy efficiency in consumer power systems (CPS) – an original […]
Vehicle in-use tyre characteristics evaluation during winter driving training
After the substantial number of fatalities in road traffic increase with the start of icy 2014–2015 winter conditions in Latvia drivers have been offered complimentary […]