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We demonstrate experimentally and theoretically a controllable way of shifting the frequency of an optical pulse by using a combination of spectral hole burning, slow light effect, and linear Stark effect in a rare-earth-ion-doped crystal. We claim that the solid angle of acceptance of a frequency shift structure can be close to 2π, which means that the frequency shifter could work not only for op
This paper draws attention to the potential benefits of using photographs in combination with interviews, that is to say photo elicitation. As defined by Harper (2002), photo elicitation is “based on the simple idea of inserting a photograph into a research interview” (p. 13). The photographs can be taken by the researcher or the participant to evoke comments. If participants are asked to produce
With an increasingly population and urbanization, the solid waste management have become a major challenge for local authorities in developing countries all over the world. The local authorities must improve their waste management in order to minimize the negative effects of solid waste and to avoid future land use conflicts. At the same time the economical resources are limited and solid waste ma
Dealing with water diffuse pollution is a major problem for watershed managers. This problem raises many complicated questions, which are important to answer in order to reach water environment protection goals. This study suggested some possible answers for the country of Lithuania. Among them were the identification of critical source areas, the identification of sensitive areas and the applicat
Peak aerobic power in humans ((V) over dot(O2), peak) is markedly affected by inspired O-2 tension (F-IO2). The question to be answered in this study is what factor plays a major role in the limitation of muscle peak. (V) over dot(O2) in hypoxia: arterial O-2 partial pressure (P-a,(O2)) or O-2 content (C-a,C-O2)? Thus, cardiac output (dye dilution with Cardio-green), leg blood flow (thermodilution
Objectives To calculate the normal range for the fetal middle cerebral artery (MCA)/uterine artery pulsatility index (PI) ratio in the third trimester of pregnancy and to assess its value, compared with that of the MCA/umbilical artery PI ratio, in predicting an unfavorable outcome of pregnancies complicated by pre-eclampsia. Methods Doppler blood flow velocimetry of the uterine and umbilical arte
In my paper I have emanated from the question when a refusal to deal by an undertaking in a dominant position constitutes an abuse according to article 82 EC Treaty. Article 82 of The Consolidated version of the Treaty establishing the European Community, signed in Rome 1957, incorporating the changes made by the Treaty of Amsterdam on 2 October 1997, OJ 1997 C340, pp. 173-308, hereafter referred
Varje år diagnostiseras i Sverige ungefär 1100 personer med cancer i huvudhalsregionen. Typiska diagnoser är tungcancer, läppcancer och cancer i struphuvudet. I och runt om munhålan finns det stora skillnader i densitet mellan till exempel vävnad och tänder och vävnad och tandlagningar. I detta arbete så har effekterna av ett antal olika tandlagningsmaterial på dosberäkningarna undersökts. För a"Introduction: Around 1.000 people are diagnosed with head and neck cancer in Sweden every year. Radiotherapy is often used to treat these tumors. When irradiating patients in the head and neck area there are some problems. One of these problems is the large difference in density between the oral tissue and dental materials. Another problem is the image artifacts due to high-density materials
This study investigated the birth prevalence of cleft lip and/or palate (CL/P) in Sweden between 2000 and 2020 using data from the Swedish National Medical Birth Register, which includes over 97% of children born in the country, and its subregister the National Register of Congenital Anomalies. The dataset included 2,230,771 anonymized children, with the variables year of birth, sex and diagnoses
OBJECTIVE: Data on females managed with fenestrated or branched endovascular aortic arch repair (FB-Arch) are limited. This study aimed to present the 30 day and follow up outcomes of FB-Arch in female patients.METHODS: A retrospective analysis (1 January 2011 to 31 March 2024) among four European aortic centres was conducted according to STROBE guidelines. Consecutive female patients managed with
This paper proposes a D-band patch antenna featuring four parasitic elements and a loaded superstrate layer. Inspired by a previous parasitic patch antenna design, the new structure is synthesized from scratch using characteristic mode analysis. The new design features different operating principles that enable low-cost single-layer fabrication on PCB HDI technology, while retaining wideband opera
Climatic feedbacks and ecosystem impacts related to dust in the Arctic include direct radiative forcing (absorption and scattering), indirect radiative forcing (via clouds and cryosphere), semi-direct effects of dust on meteorological parameters, effects on atmospheric chemistry, as well as impacts on terrestrial, marine, freshwater, and cryospheric ecosystems. This review discusses our recent und
Lokalförsörjningsplan 2026 Lokalförsörjningsplan 2026 LUNDS UNIVERSITET ........................................................................................... ....................... .................................. ............................................................... ............... ................................. .............. .................................. .............
https://www.staff.lu.se/sites/staff.lu.se/files/2025-12/386829_Lokalfo%CC%88rso%CC%88rjningsplan%202026_0.pdf - 2026-06-20
Countering information influence activities A handbook for communications officers Countering information influence activities A handbook for communications officers Countering information influence activities – A handbook for communications officers This publication is also available in Swedish Att möta informationspåverkan – Handbok för kommunikatörer Order No: MSB1261 - Revised December 2018 IS
Uppdragsavtal PAGE 1(4) Denna mall reglerar förutsättningarna om anställning som industridoktorand. Blir det aktuellt med ett samarbetsprojekt mellan LU och företaget ska en sådan situation regleras i ett separat samarbetsavtal. Avtal om finansiering av industridoktorand Mellan Lunds universitet , institutionen för …….. , härefter benämnt LU, och [företagets namn, organisationsnummer och adress] h
https://www.staff.lu.se/sites/staff.lu.se/files/2024-02/Industridoktorandavtal%20MALL%20-%202024-02-15.doc - 2026-06-20
