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A receiver that covers several RF bands requires multiple front-end filters which increases the cost in terms of components and/or board/silicon area. Front-end filters assist a receiver to withstand interference at multiples of its down-conversion frequency. Analog discrete-time filters have gained a lot of traction lately, mainly due to their promising architecture, achieving baseband filtering,
Eftersom världen fortsätter att se en ökning av koldioxidutsläpp, är åtgärder för att minska människans negativa miljöpåverkan av största vikt. För att kunna konkurrera med flygindustrin föreslår Trafikverket en omfattande utökning av det existerande järnvägsnätverket. Detta inkluderar byggnation av höghastighetsjärnvägar, som skall koppla samman Sveriges storstäder. Sådana planer innefattar även As the world continues to see an increase in carbon dioxide emissions, actions aiming towards reducing man's negative impact on the environment are paramount. To be able to compete with the air travel industry, the Swedish Transport Administration suggests a vast expansion of the existing railway system. This includes the construction of high speed railroads connecting the largest urban areas
The basin of the Poopó Lake, situated on the Bolivian high plateau, is severely contaminated by the mineral extraction and processing activities within the area. Many rivers in the area contain high concentrations of arsenic, lead and cadmium both in the water and the sediment phase. Moreover, huge amounts of mineral waste are situated in the area. In this study the environmental conditions of thr
The introduction of new farming technologies, such as high-yielding varieties, has for long been regarded as one of the best strategies to increase agricultural production, and to combat poverty and food-insecurity. Since around 2005, New Rice for Africa (Nerica) is one of the main development strategies for combating such issues in Sierra Leone, and in many other African countries. Africa Rice Ce
Hur låter musiken som spelas av atomer? Även om de inte kan sjunga så kan atomer – de små byggstenarna som bygger världen – interagera starkt med laserljus och då skapa kortvariga ljusblixtar som är lika harmoniska som musik. Att förstå hur laserljus och ljusblixtar är relaterade är genom deras interaktioner med atomer. Detta kommer att hjälpa oss att följa aktiviteten som händer så snabbt att denLight-matter interactions can be used to probe both light and matter as they yield information on a system's state. On the ultrafast timescale, it is possible to employ these interactions to probe fast-occurring phenomena. In particular, one of the few tools for ultrafast spectroscopy are coherent attosecond XUV pulses: light pulses in the extreme ultraviolet range (XUV) whose typical duration
Employing enzymes as catalysts in the production of chiral amines that are both used as building blocks and active pharmaceutical ingredients might be promising due to milder reaction conditions compared to non-biological catalysts, exclusion of heavy metals, high selectivity towards substrates and precision in chirality of the products. Transaminases are attractive for the use in this process. In
It is clear that media advertising is one of the crucial marketing tools for companies in order to promote their products and services. As we are moving towards more and more economic integration, both on a regional and global scale, the question about standardisation of media advertising has become increasingly important and is nowadays subject to discussion in most international companies. This
Det faktum att våld i nära relationer oftast utspelar sig inom hemmets fyra väggar gör att det följer svårigheter. Bristen på vittnen gör det besvärligt att få gärningsmannen lagförd. I en tredjedel av alla fall med våld mot kvinnor i hemmet bevittnar dock barn brottet. Trots detta förhörs barn som vittne endast i 18 % av dessa fall. Förundersökningen läggs ofta ner eftersom tillräckliga bevis intThe fact that violence in intimate relationships most often takes place in someone’s home, makes it difficult to prosecute the perpetrator in lack of witnesses. In one third of the cases regarding violence against women in intimate relationships, children are witnesses. Despite this, children are interrogated only in 18 % of these cases. The preliminary investigation is often closed because of the
Context. In the era of large spectroscopic surveys, massive databases of high-quality spectra coupled with the products of the Gaia satellite provide tools to outline a new picture of our Galaxy. In this framework, an important piece of information is provided by our ability to infer stellar ages, and consequently to sketch a Galactic timeline. Aims. We aim to provide empirical relations between s
När någon har betalat ett för stort belopp i den felaktiga tron att det fanns en betalningsskyldighet aktualiseras läran om condictio indebiti. För att princi-perna ska kunna tillämpas krävs att betalningen saknar rättsgrund. En rätts-grund för betalningen föreligger om det finns en avtalsrättslig grund för den, eller om betalningen utgjort en disposition. Huvudregeln enligt condictio indebiti är When someone has overpaid in the mistaken belief that there was an obliga-tion to pay, the doctrine of condictio indebiti comes into play. For the princi-ples to be applicable, the payment must have no legal basis. A legal basis for the payment exists if there is a contractual basis for it, or if the payment con-stituted a disposition. The general rule of condictio indebiti is that the payment mus
lum_2009_04 LUM Lunds universitets magasin | Nr 4 | 2009 LaserMannen Anslagen till utbildningen urholkas Biologi tvingas säga upp lärare Tio miljoner satsas på jämställdhet 2 LUM nr 4 | 2009 robotförebiLd LUM nr 4 | 2009 3 Hur geckoödlans fötter har inspire- rat till klättrande robotar är ett ex- empel på spännande forskning som uppstått i mötet mellan biologi och fysik. Med hjälp av nano teknik,
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AJG-22-1277_pap 1..7 Incidence of Pediatric Celiac Disease Varies by Region Marisa Stahl, MD1, Qian Li, PhD2, Kristian Lynch, PhD3, Sibylle Koletzko, MD4,5, Pooja Mehta, MD1, Loren Gragert, PhD6, Jill M. Norris, PhD7, Carin Andrén Aronsson, PhD8, Katri Lindfors, PhD9, Kalle Kurppa, MD, PhD9,10, Jorma Ilonen, MD, PhD11, Jeffrey Krischer, PhD3, Beena Alkolkar, PhD12,13, Anette-G Ziegler, MD14, Jorm
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Tumor-infiltrating immune cells in Head and Neck cancer | Immunotechnology Skip to main content This site uses cookies to enhance the user experience. By continuing to use the site you agree that cookies are used according to our Cookie Policy (on the website of LTH) . Essential cookies These cookies are necessary for the website to function and cannot be turned off in our systems. These cookies d
Årsberättelse 20 24 / VATTENHALLEN SCIENCE CENTER / ÅRSBERÄTTELSE 2024 VATTENHALLEN SCIENCE CENTER / ÅRSBERÄTTELSE 2024 / Innehåll Året 2024..........................................................3 Om Vattenhallen................................................4 Besöksstatistik ...................................................5 Styrelse, vision och mål......................................6 Me
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Degree projects | LTH, Faculty of Engineering Skip to main content We use cookies and other tracking technologies to improve the user experience on our website, to show you personalised content and targeted ads, and to analyse our website traffic. Cookie Policy . Essential cookies These cookies are necessary for the website to function and cannot be turned off in our systems. These cookies do not
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4D Imaging Lab | LTH, Faculty of Engineering Skip to main content We use cookies and other tracking technologies to improve the user experience on our website, to show you personalised content and targeted ads, and to analyse our website traffic. Cookie Policy . Essential cookies These cookies are necessary for the website to function and cannot be turned off in our systems. These cookies do not s
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Immunotechnology Labs | LTH, Faculty of Engineering Skip to main content We use cookies and other tracking technologies to improve the user experience on our website, to show you personalised content and targeted ads, and to analyse our website traffic. Cookie Policy . Essential cookies These cookies are necessary for the website to function and cannot be turned off in our systems. These cookies d
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1 Regional Training Course on Rights-Based and Inclusive Approaches to Early Warning, Evacuation and Camp Management Revised Q2 2022 Supported by 2 This manual has been developed by Dr Matthew Scott (Raoul Wallenberg Institute) in collaboration with national representatives to the Asia Preparedness Partnership (APP) from Cambodia, Myanmar, the Philippines, Pakistan, Nepal and Sri Lanka and themati
33 An unexpected gap with unexpected restrictions Subject deletion in a south-west Swedish dialect∗ Katarina Lundin Lund University Abstract The aim of this article is to propose a syntactic analysis of a dialectal con- struction systematically displaying deletion of the subject, found in spoken south-west Swedish. The deletion appears in certain interrogative subordi- nated clauses and relative c
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