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We demonstrate the construction and utilization of an affordable apparatus using readily available materials to accurately measure in a quantitative manner the wavelengths reflected by a compact disc (CD) under skimming light rays. In fact, only a limited number of wavelengths can be revealed when light rays from a white lamp are directed at a CD (or a DVD) in a manner that specifically selects th
Plastics are amazing materials with outstanding properties that make them very useful and cheap for a wide range of uses. However, their pollution to the environment has become one of the main problems to solve in this century. In this Master Thesis biocomposites from Biofiber Tech are studied. This material is a composite material formed by treated wood fibers and a polymeric matrix. The influen
Tropiska skogar utsätts för mer intensiva och frekventa torkor. Torkor påverkar tillväxt och kollagring i skogen, samt ökar risken för trädödlighet. Det finns flera hypoteser om mekanismerna bakom dödlighet under torka. Två av de vanligaste är något som kallas kolsvält och kavitation. Det är oklart vilken av dessa två mekanismer som inträffar först i tropiska träd under långvarig torka. ExperimentTropical forests experience more intense and frequent droughts. Droughts affect mortality in trees, growth rate and carbon storage in the forest. There are several hypotheses of the mechanisms behind tree mortality during drought. Two of the most common ones are carbon starvation and hydraulic failure. It is unclear which of these mechanisms occur first in tropical trees during long term drought.
Adaptive reuse of existing buildings as a part of the circular economy principle has become a more common approach to promote sustainable development, due to increasing urban densification and environmental concerns. Ventilation systems, as a major contributor to energy use in buildings, often face complete replacement during building reconstruction, despite their potential for extended service li
As digital content is taking up more and more space in everyday life, brands increasingly turn to social media platforms like TikTok to engage with audiences, especially young adults. However, with this increase also comes a rise in advertising skepticism and users’ heightened awareness of persuasive tactics employed by brands. As a result, it has be-come essential for brands to appear authentic i
In Sweden, climate projections indicate longer growing seasons with more frequent extreme weather events, such as droughts and heavy rainfall, posing significant challenges to existing crop systems. Simultaneously, the sector is under growing pressure to reduce its environmental footprint, especially in response to agricultural nutrients runoff contributing to the eutrophication of the Baltic Sea.
Franchising är egentligen ett företagsekonomiskt begrepp vars avtal berör många rättsområden såsom konkurrensrätt, avtalsrätt, immaterialrätt samt arbetsrätt. Det en verksamhetsform som kombinerar ett lyckat beprövat affärskoncept med egenföretagande. Det är en specialform av ett återförsäljaravtal, men bör enligt EU-domstolens avgörande i mål C-161/84 Pronuptia de Paris, inte räknas som en distri
Purpose: The purpose of the investigation is to give an insight to hot the EU legal environment in the field of vertical relationships influences the competitiveness of the 2nd tier of the automobile industry. Conclusion: It follows that European legislation has succeedded in raising the competitiveness by breaking down the powers of the predominantly more powerful companies that the 2nd tier play
Physiologically-based toxicokinetic (PBTK) models are important tools for in vitro to in vivo or inter-species extrapolations in health risk assessment of foodborne and non-foodborne chemicals. Here we present a generic PBTK model implemented in the EuroMix toolbox, MCRA 9 and predict internal kinetics of nine chemicals (three endocrine disrupters, three liver steatosis inducers, and three develop
Full-field transmission X-ray microscopy (TXM) is a well established technique, available at various synchrotron beamlines around the world as well as by laboratory benchtop devices. One of the major TXM challenges, due to its nanometre-scale resolution, is the overall instrument stability during the acquisition of the series of tomographic projections. The ability to correct for vertical and hori
Problem Definition: Ericsson wants to increase their focus on reducing the total cost of packaging for the company in the whole world. They want to create a simple calculation model that can calculate the total packaging cost and compare different packaging solutions (country, freight, packaging, and product) in order to find the most cost effective packaging solution. This will facilitate the dev
Osteoarthritis is a multifactorial degenerative disease characterized by the breakdown of articular cartilage (AC), affecting hundreds of millions of people worldwide. Among many treatment options, hydrogels have emerged as promising candidates for cartilage replacement, due to their structural resemblance to the native tissue. Hydrogels can be made from various materials, and this study focuses o
With the growing possibilities in genetic testing, the number of genetic disorders associated with dystonia has constantly increased over the last few years. Accurate phenotyping is crucial to guide and interpret genetic analyses in the search for an etiological diagnosis. Although eye movements examination has proven a valuable tool in the assessment of patients with inherited movement disorders
Attempts to use colloid science concepts to better understand the dynamic properties of concentrated or crowded protein solutions are challenging due to the fact that globular proteins generally have heterogeneous surfaces that result in anisotropic or patchy contributions to their interaction potential. This is particularly difficult when targeting non-equilibrium transitions such as glass and ge
A detailed analysis of the positive parity levels in odd iridium isotopes is carried out with an extended version of the Hecht and Satchler model. A satisfactory description of187-193Ir positive parity states and their electromagnetic properties is obtained by coupling several Nilsson particle configurations to an asymmetric rotor.
Rates of molecular, phenotypic, and lineage diversification typically scale negatively with time interval of measurement, raising longstanding questions about time-dependency of evolutionary processes. These patterns and their potential meaning have recently re-entered evolutionary discussions. In this Perspective, we revisit the general challenges in interpreting rate–time relationships. Much app
SUSTAINABILITY WEEK | HÅLLBARHETSVECKAN Hållbarhetsveckan Sustainability week LUND 23–28 APRIL 2018 HÅLLBARHETSVECKAN | SUSTAINABILITY WEEK SUSTAINABILITY WEEK | HÅLLBARHETSVECKAN Från tanke till handling! Välkommen till en inspirerande vecka om hur vi kan gå från tanke till handling mot en hållbar framtid. I år sätter vi bland annat sökarljuset på vår konsumtion och hur den påverkar människor och
https://www.hallbarhet.lu.se/sites/hallbarhet.lu.se/files/hallbarhetsveckan_2018_program_webb.pdf - 2026-07-18
Högljutt prat och sång spred mest covid – Vetenskap och Hälsa Hoppa till innehåll Vetenskap och hälsa Populärvetenskapligt om medicinsk forskning i Skåne Teman Podd Tidskrift Prenumerera Om webbplatsen Kontakt Sök Sök Högljutt prat och sång spred mest covid 2022-11-04 Illustration: iStock/tezzstock I en studie 2022 mätte aerosolforskare från Lunds tekniska högskola mängden virus som covidsmittade
https://www.vetenskaphalsa.se/hogljutt-prat-och-sang-spred-mest-covid/ - 2026-07-16
