Search Results

1 - 10 of 263 items :

Clear All
Challenges and Barriers by Transition Towards 4th Generation District Heating System: A Strategy to Establish a Pricing Mechanism

REFERENCES 1. Lund, H., Werner, S., Wiltshire, R., Svendsen, S., Thorsen, J., Hvelplund, F., & Mathiesen, B.V. (2014). 4th generation district heating (4GDH) integrating smart thermal grids into future sustainable energy systems. Energy, 68 , 1–11, DOI: 10.1016/j.energy.2014.02.089. 2. Pieper, H., Ommen, T., Elmegaard, B., & Markussen, W.B. (2019). Assessment of a combination of three heat sources for heat pumps to supply district heating. Energy, 176 , 156–170, DOI: 10.1016/j.energy.2019.03.165. 3. Hammer, A., Sejkora, C., & Kienberger, T

Open access
Determination of two-liquid mixture composition by assessing its dielectric parameters 2. modified measuring system for monitoring the dehydration process of bioethanol production

. & Champion, R. (2009). pH and electrolytic conductivity as parameters to characterise bioethanol. Accred. Qual. Assur., (4), 671-676. DOI 10.1007/s00769-009-0565-0, 671-676. 4. Rucins, A., Zihmane-Ritina, K., Bremers, G., Vilitis, O., Birzietis, G., Baltins, A. Skele, A. & Bergs, J. (2012). Exploration of technological equipment for bioethanol dehydration. Engineering for rural development, 24-25, 406- 411. 5. Bremers, G., Rucins, A., Baltins, A., Birzietis, G., Zihmane-Ritina, K., Skele, A. & Bergs, J. (2012). Device for semi-dry congruent

Open access
Spectrum Usage in Mobile Broadband Communication Systems / RADIOFREKVENČU IZMANTOŠANA MOBILO PLATJOSLAS SAKARU SISTĒMĀS

policy in the European Community (Radio Spectrum Decision). 9. Radio Regulations, International Telecommunications Union (ITU). Vol. 1 (articles edited in 2012). 10. ECO Report 03 “The licensing of ‘Mobile Bands’ in CEPT”, 22 Oct., 2012. 11. Draft RSPG Report on proposed spectrum coordination approach for broadcasting in the case of a reallocation of the 700 MHz band. Radio Spectrum Policy Group , RSPG12-433, Brussels, 25 Oct., 2012. 12. European Commission. Digital Agenda for Europe. Fast and ultra

Open access
Modelling the Spatial Distribution of Wind Energy Resources in Latvia

REFERENCES 1. Shipkovs, P., Kashkarova, G., Lebedeva, K., & Migla, L. (2012). Use of renewable energy resources for reduction of environmental pollutions. In the Fourth IASTED African Conference on Power and Energy Systems (AfricaPES 2012), 3–5 September 2012 (pp. 79–85). Gaborone, Botswana. CD Proceedings. 2. Bobinaite, V., & Priedite, I. (2015). RES-E support policies in the Baltic States: electricity price aspect (part II). Latvian Journal of Physics and Technical Sciences, 2 , 13–25. 3. Bezrukovs, V.P., Bezrukovs, V.V., & Zacepins, A

Open access
Nanotechnologies in Latvia: Commercialisation Aspect

: When New Technologies Cause Great Firms to Fail. Boston: Harvard Business School Press. 32. Kostoff, R.N., Boylan, R. & Simons, G.R. (2004). Disruptive technology roadmaps. Technological Forecasting & Social Change, 71 (1-2), 141-159. DOI: 10.1016/S0040-1625(03)00048-9. 33. Oakey, R. P. (2003). Technical entrepreneurship in high technology small firms: some observations on the implications for management. Technovation, 23 (8), 679-688. DOI: 10.1016/S0166-4972(03)00045-2 34. Knol, W. H. C. (2004). Nanotechnology and business opportunities: scenarios as

Open access
Sodium chloride-induced conformational change in tRNA as measured by circular dichroism

particular importance of the maximal velocity , J. Biol. Chem. 245 , 2465. Ishida T. & Sueoka N.; (1968), Tryptophan transfer RNA as the UGA suppressor , J. Biol. Chem. 243 , 5329. Kawai G., Ue H., Yasuda M., Sakamato K., Hashizume T. McCloskey JA., Miyazawa T. & Yokoyama S. (1991), Nucleic Acids Symp. Ser. 25 , 49-50. Kay C. M. & Willick G. E.; (1971), Magnesium-induced conformational change in transfer ribonucleic acid as measured by circular dichroism , Biochemistry, 10(12) , 2216–2222. Kelly S. M. & Pric N. C.; (2000), The Use of Circular

Open access
Screen Printing of SU-8 Layers for Microstructure Fabrication / Ar Sietspiedi Uzklātu SU-8 Pārklājumi Mikro-Struktūru Izgatavošanai

References 1. Gelorme, J.D., Cox, R.J., and Gurrierez, S.A. (1989). Photoresist composition and printed circuit boards and packages made therewith. US4882245A. 2. You, H., and Steck, A.J. (2013). Lightweight electrowetting display on ultrathin glass substrate. Society for Information Display, 21(5), 192-197. 3. MicroChem (2001). SU-8 Negative Tone Photoresist Formulations 50-100, Data sheets. 4. Luurtsema, G.A. (1997). Spin Coating for Rectangular Substrates. University of California

Open access
Experimental Study of Thermal Decomposition and Combustion of Lignocellulosic Biomass Pellets / GRANULĒTAS LIGNOCELULOZES BIOMASAS TERMISKĀS SADALĪŠANĀS UN DEGŠANAS PROCESU EKSPERIMENTĀLIE PĒTĪJUMI

. Biochem. Eng., 26 (1), 45-53. 23. Asri, G., & Ishiro, N. (2007). Effect of cellulose and lignin content on pyrolysis and combustion characteristics for several types of biomass. Renewable Energy, 32 , 649-661. 24. Brebu, M., & Vasile, C. (2010). Thermal Degradation of Lignin (Review), Cellulose Chemistry and Technology, 44 (9), 353-363. 25. Musialik-Piotrowska, A., Kordylewski, W., Ciolek, J., & Moscicki, K. (2010). Char characteristics of air pollutants emitted from biomass combustion in small retort boiler

Open access
Smart City Through a Flexible Approach to Smart Energy

regeneration model. Energy Procedia, 111 , 836–845. https://doi.org/10.1016/j.egypro.2017.03.246 19. Dall'Anese, E., Mancarella, P., & Monti, A. (2017). Unlocking flexibility integrated optimization and control of multienergy systems. IEEE Power & Energy Magazine , 15 , (1), 43–52. DOI: 10.1109/MPE.2016.2625218 20. Mancarella, P., Andersson, G., Pecas-Lopes J.A., & Bell, K.R.W. (2016). Modelling of integrated multi-energy systems: Drivers, requirements, and opportunities. Power Systems Computation Conference (PSCC) . DOI: 10.1109/PSCC.2016.7541031 21

Open access
Investigation of Service Quality of Measurement Reference Points for the Internet Services on Mobile Networks

REFERENCES 1. Visualware Inc. Available at http://www.visualware.com/ 2. Regulation (EU) 2015/2120 of the European Parliament and of the Council of 25 November 2015 laying down measures concerning open internet access and amending Directive 2002/22/EC on universal service and users’ rights relating to electronic communications networks and services and Regulation (EU) No 531/2012 on roaming on public mobile communications networks within the Union. 3. Position (EU) No 14/2015 of the Council at first reading with a view to the adoption of a

Open access