Search results for "lek"
showing 10 items of 2808 documents
Inovācijas, pētniecība, zinātne
2013
Quantum computing algorithms and peat extracts, a Chinese dictionary and skin stem cells, carbon nanowire switches and a catalogue of stars – the research results produced by the University of Latvia scientists are as varied as the directions of studies at the University of Latvia. Our goal is to provide science-based higher education in the key areas of consequence for Latvia’s people, economy, nature and public health, to make Latvia known in the world through our achievements in science and innovation. Over the past few years the research of the UL scientists has been extremely productive, largely due to the European Union funds to support graduate and doctoral students, new research gro…
Violation-mitigation-based method for PV hosting capacity quantification in low voltage grids
2022
Hosting capacity knowledge is of great importance for distribution utilities to assess the amount of PV capacity possible to accommodate without troubling the operation of the grid. In this paper, a novel method to quantify the hosting capacity of low voltage grids is presented. The method starts considering a state of fully exploited building rooftop solar potential. A downward process is proposed—from the starting state with expected violations on the grid operation to a state with no violations. In this process, the installed PV capacity is progressively reduced. The reductions are made sequentially and selectively aiming to mitigate specific violations: nodes overvoltage, lines overcurr…
Into the world of e-waste: mobility among e-scrappers in Nigeria
2017
AbstractIn the management of e-waste, mobility of e-scrappers plays a pivotal role, especially in e-waste acquisition and sales of extracted materials. This research examines the relationship between e-scrappers and the locations of their work by analysing the influence of environmental and social factors on their mobility behaviour in Nigeria. A qualitative analysis of video material collected from 29 male e-scrappers in Nigeria between 2014 and 2015 reveals that e-waste has inherent properties that intermittently mobilise e-scrappers to search for recyclable and valuable electronic trash. Applying the new mobilities paradigm and the new materialism theory, we present that e-scrappers’ mob…
Apdzīvojuma attīstība un sociālekonomiskie procesi Engurē
2015
Apdzīvojuma attīstība ir nozīmīgs cilvēka ģeogrāfijas pētījumu objekts. To labi var savienot ar sociālekonomiskajiem procesiem, jo šie procesi lielā mērā var ietekmēt un ietekmē apdzīvojumu un nosaka tā pārmaiņu tendences. Bakalaura darbā tiek apskatīta apdzīvojuma attīstība un pārmaiņas, kā arī sociālekonomiskie procesi laikposmā no 1970. gada līdz mūsdienām Engures novada, Engures pagasta Engurē. Bakalaura darba mērķis ir raksturot apdzīvojuma attīstību un sociālekonomiskos procesus Engurē. Darbā izmantoti dažāda veida avoti, tai skaitā arhīvu materiāli un statistikas dati, ka arī autora izveidots kartogrāfiskais materiāls. Darba pirmajā nodaļā definēts apdzīvojuma jēdziens, kā arī apskat…
Komponentit ja verkkopalvelut elektronisten liiketoimintaprosessien toteuttamisen välineinä
2002
Iron-based metal-organic framework: Synthesis, structure and current technologies for water reclamation with deep insight into framework integrity.
2021
Water is a supreme requirement for the existence of life, the contamination from the point and non-point sources are creating a great threat to the water ecosystem. Advance tools and techniques are required to restore the water quality and metal-organic framework (MOFs) with a tunable porous structure, striking physical and chemical properties are an excellent candidate for it. Fe-based MOFs, which developed rapidly in recent years, are foreseen as most promising to overcome the disadvantages of traditional water depolluting practices. Fe-MOFs with low toxicity and preferable stability possess excellent performance potential for almost all water remedying techniques in contrast to other MOF…
LU rektors, mākslas zinātnieks prof. E. Felsbergs: digitālās kolekcijas raksturojums
2012
Ziņojums sniegts LU 70.zinātniskās konferences Mākslas izglītības sekcijā.