Sökresultat
Filtrera
Filtyp
Din sökning på "*" gav 532897 sökträffar
A novel change detection approach for multi-temporal high-resolution remote sensing images based on rotation forest and coarse-to-fine uncertainty analyses
In the process of object-based change detection (OBCD), scale is a significant factor related to extraction and analyses of subsequent change data. To address this problem, this paper describes an object-based approach to urban area change detection (CD) using rotation forest (RoF) and coarse-to-fine uncertainty analyses of multi-temporal high-resolution remote sensing images. First, highly homoge
Mechanosensation : A Catch Bond That Only Hooks One Way
Single-molecule force spectroscopy and modeling have revealed that the adhesion molecule vinculin and F-actin form a catch bond that is dependent on the direction of forces along the actin filament. This may underlie the mechanisms by which cells sense directional physical cues.
Hydrogen steelmaking for a low-carbon economy : A joint LU-SEI working paper for the HYBRIT project
Strategic Communication : Defining the Field and its Contribution to Research and Practice
This article draws on a decade of research in strategic communication and especially on the contributions in this special issue to propose a new and more comprehensive definition of strategic communication. We argue that strategic communication encompasses all communication that is substantial for the survival and sustained success of an entity. Specifically, strategic communication is the purpose
Critical Studies of Marketing Work
Förord
The Power Resource Theory Revisited: What Explains the Decline in Industrial Conflicts in Sweden?
This paper revisits the Power Resource Theory by testing one of its more influential claims: the relation between the strength of the labor movement and the reduction of industrial conflicts. Using panel data techniques to analyze more than 2,000 strikes in 103 Swedish towns we test whether a shift in the balance of power towards Social Democratic rule was associated with fewer strikes. The focus
No title
Frontal modification and lee cyclogenesis in the Alps: A case study using the ALPEX reanalysis data set
Mortality and cancer incidence among secondary lead smelter workers
OBJECTIVES: To examine the mortality pattern and the cancer incidence in a cohort of long term smelter workers exposed to lead.METHODS: The cohort consists of 664 male lead battery workers, employed for at least three months in 1942-87. From 1969 the values of all blood lead samples repeatedly obtained from these workers every two to three months, have been collected in a database. The expected mo
Indivisible Wholes & Fragmented Realities : On the Aggregation of Disaster Risk Information
Orkanen Katrina, tsunamin i Indiska oceanen, Lehmankraschen och 11-september attackerna är bara några exempel på sentida händelser som väckt frågor kring vår förmåga att förutse och förstå katastrofrisker. I efterhand är det dock lätt att glömma att vi alltid har ett oändligt antal potentiella scenarier framför oss, men bara ett förflutet, vilket kan få oss att överdriva förutsägbarheten för händeDivision of labor and trade have been prerequisites for the development of welfare societies. Ironically, this specialization has caused a fragmentation of the knowledge necessary to understand risks that may undermine societal safety. This has not only prompted a need for inter-organizational exchange and integration of disaster risk information, it has also prompted a need for understanding how
The Nationalization of culture
Although nationalism is an example of a cultural force which in many cases has overruled other, traditional identities and loyalties in nineteenth- and twentieth-century society, the study of nationalism has not been focused very much on the cultural praxis of national identity formation and sharing. As a result, the ideology and politics of nationalism are far better understood than the creation
Thermophysical properties and convection heat transfer behavior of ionic liquid [C4mim][NTf2] at medium temperature in helically corrugated tubes
The thermophysical properties of the ionic liquid, 1-butyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}imide, [C4mim][NTf2], at medium temperature, were predicted based on a summary of previous literature data. Furthermore, the heat transfer behavior in smooth and corrugated tubes was numerically studied, using different fluid temperatures and corrugation heights. A multi-objective optimizat
RIFM fragrance ingredient safety assessment, p-tert-butylacetophenone, CAS Registry Number 943-27-1
Economic Inequality in Ghana, 1891-1960
Acute bilateral cerebellar infarction in the territory of the medial branches of posterior inferior cerebellar arteries
The most frequent type of cerebellar infarcts involved the posterior inferior cerebellar artery (PICA) and superior cerebellar artery territories but bilateral involvement of lateral or medial branches of PICA is extremely rare. In this report, we present a 55-year-old male who admitted to hospital with vomiting, nausea and dizziness. On examination left-sided hemiparesia and ataxic gait were dete
Blastocystis ratti contains cysteine proteases that mediate interleukin-8 response from human intestinal epithelial cells in an NF-kappaB-dependent manner
Blastocystis is a ubiquitous enteric protozoan found in the intestinal tracts of humans and a wide range of animals. Evidence accumulated over the last decade suggests association of Blastocystis with gastrointestinal disorders involving diarrhea, abdominal pain, constipation, nausea, and fatigue. Clinical and experimental studies have associated Blastocystis with intestinal inflammation, and it h
Blood perfusion in Hewes tarsoconjunctival flaps in pigs measured by laser speckle contrast imaging
BackgroundHewes flap is a tarsoconjunctival eyelid flap, based at the lateral canthal tendon, and rotated and stretched to repair lateral defects in the lower eyelid commonly following tumor surgery. The aim of the present study was to monitor perfusion in a Hewes flap during reconstruction, which to the best of our knowledge, has not previously been done.MethodsA Hewes tarsoconjunctival eyelid fl
Binary black hole mergers from globular clusters : The impact of globular cluster properties
The dense environment of globular clusters (GCs) can facilitate the formation of binary black holes (BBHs), some of which can merge with gravitational waves within the age of the Universe. We have performed a survey of Monte Carlo simulations following the dynamical evolution of GCs with different masses, sizes, and binary fractions and explored the impact of the host GC properties on the formatio