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The effects of curvature and wrinkling on the growth of turbulent premixed flame kernels have been investigated using both 2D OH planar laser-induced fluorescence (PLIF) and 3D direct numerical simulation (DNS). Comparisons of results between the two approaches show a high level of agreement, providing confidence in the simplified chemistry treatment employed in the DNS, and indicating that chemis
A capillary gas chromatographic (GC) method using selected-ion monitoring (SIM) was developed for the analysis of cotinine (C.A.S. No. 486-56-6) in human urine. The method is based on basic extraction of cotinine from 2 ml of urine into dichloromethane. After evaporation of the dichloromethane solution to dryness, 100 microliters of toluene were added, prior to GC-mass spectrometric (MS) analysis.
OBJECTIVE: to correlate the echostructural characteristics of carotid plaques with neurological symptoms and cerebral infarcts. MATERIALS: one hundred and five plaques were studied in 74 patients by colour-flow duplex ultrasound: 39 were symptomatic and 37 were associated with brain infarction on CT scanning. METHODS: the images were digitalised for computer-assisted image standardisation and divi
The location and activity of saprophytic and arbuscular mycorrhizal (NM) fungal phosphatases have been investigated with a fluorogenic substrate (ELF) that forms a fluorescent crystalline precipitate at the site of phosphatase activity. This ELF substrate method was compared with other detection methods such as fast blue RR salt staining and p-nitrophenyl phosphate. The ELF substrate was successfu
We discuss resonance-enhanced two-photon ionization (RETPI) and presentschemes of successive RETPI of the elements C, N, and O in nebulae.RETPI is activated by intrinsic radiation stored in the form of trappedspectral lines of HI, HeI, and HeII in the optically thick nebula. Therate of this two-step photoionization is comparable with or exceeds thelow recombination rate of the photoions formed in
We study deterministic algorithms for gossiping problem in ad hoc radio networks. The efficiency of communication algorithms in radio networks is very often expressed in terms of: maximum eccentricity D, maximum in-degree Δ, and size (number of nodes) n of underlying graph of connections. The maximum eccentricity D of a network is the maximum of the lengths of shortest directed paths fro
A short summary of the present status of prompt particle decays in the mass A similar to 60 region is presented. It includes recent results from a GAMMASPHERE experiment, which aimed at the combined high-resolution spectroscopy of light charged particles and gamma-rays to allow for more detailed studies of known decays and the identification of new cases of discrete prompt proton and a-particle em
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Essay regarding current debates in Sweden about the various functions of art criticism in relation to the public sphere, with a special focus on the role of the artcritic Ulf Linde.
This work deals with different aspects of air movements in building components . The investigation shows to what degree the concept of fluid mechanics can be applied to problems concerning air flows in building Components. The applicable parts of fluid mechanics are presented as thoroughly as possible. Based on this concept, routines are outlined to make it possible to handle complex flow and pres
This paper presents the results of one of the first measurement campaigns for the double-directional characterization of outdoor to indoor wireless propagation channels. Such channels play a vital role for cellular systems with multiple antenna elements at transmitter and receiver, i.e. multiple-input multiple-output (MIMO) systems. Measurements were performed at 5.2 GHz between 53 different recei
OBJECTIVE: To compare survival of patients with breast cancer who had never smoked, were smokers, and who were ex-smokers. DESIGN: Observational study. SETTING: City of Malmo, Sweden. PATIENTS: 792 patients with breast cancer diagnosed between 1977-1986 in the Malmo mammographic screening trial. INTERVENTIONS: Follow-up of breast cancer cases through record-linkage with the Swedish Cause of Death
This thesis explores the changing patterns of employment and income assimilation among male immigrants to Sweden. In brief, the results of this work are that immigrants have been facing an increasingly difficult time integrating into the Swedish economy. This difficulty has not been caused by decreasing “quality” of the newer immigrant cohorts, as has often been the argument in the literature. Rat
