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Laminar burning velocities of benzene + air flames at room and elevated temperatures

Laminar burning velocities, SL, of benzene + air flames were determined at atmospheric pressure and initial gas temperatures, T, of 298, 318, 338 and 358 K. Non-stretched flames were stabilized on a perforated plate burner using the heat flux method. New measurements were compared with available literature results obtained in spherical and counterflow flames at room and elevated temperatures. Data

Changing landscapes, climate and biodiversity as seen through art.

Landscape paintings from the last twocenturies can be used in certain cases as an aid forstudies of changes in land use. Also changes in biodiversitycan be evaluated in comparison with thepresent situation. Similarly, effects of global warmingin older paintings can also probably be evaluated.Examples of paintings from Sweden done by BrunoLiljefors and from the United States done by severalpainters

Long-term consequences of high incubation temperature in a wild bird population

Because incubation by birds is energetically costly, parents frequently trade off investment in incubation against self-maintenance. This can be manifested by a reduction in incubation temperature, which comes at high somatic costs for nestlings. The extent to which these costs constrain fitness is poorly understood. We incubated wild blue tit clutches at three biologically relevant temperatures aBecause incubation by birds is energetically costly, parents frequently trade off investment in incubation against self-maintenance. This can be manifested by a reduction in incubation temperature, which comes at high somatic costs for nestlings. The extent to which these costs constrain fitness is poorly understood. We incubated wild blue tit clutches at three biologically relevant temperatures a

Betony (Betonica officinalis) in Stehag – a piece of living plant history.

Betony, Betonica officinalis L., is one ofthe rarest plants in Scandinavia and has the longestdocumented history. It was reported at the parish ofStehag in Skåne, southernmost Sweden, by the Danishhumanist and publisher Christiern Pedersen asearly as 1534, one of the world’s oldest records wherea species is tied to a specific locality. Literature andcollections testify that Betony was commoner in

Effect of sodium nitrite and regulatory mutations Δagr, ΔsarA, and ΔsigB on the mRNA and protein levels of staphylococcal enterotoxin D

Staphylococcal food poisoning results from ingestion of enterotoxins produced by Staphylococcus aureus. Staphylococcal enterotoxin D (SED) is one of the most common toxins detected in S. aureus strains associated with intoxications. The effect of sodium nitrite on enterotoxin production has been only partly investigated, despite its wide usage in meat products. In addition, the factors influencing

Bibliometrics, text mining, and vizualization analyses to support verification and specification of PICO.

We aim to obtain a fast overview of the HTA question and to refine-specify the PICO for information retrieval, using bibliometrics, text mining, and vizualization tools. The PICO question is a well-established format within the HTA process. Depending on the HTA question the PICO can be difficult to verify and limit. To support the HTA-project groups and the informaton specialistst to establish the

Microbial growth and community structure in acid mine soils after addition of different amendments for soil reclamation

The extreme soil conditions in metalliferous mine soils have a negative influence on soil biological activity. Therefore, amendments are often used to improve soil quality and activate microbial communities. In order to elucidate some of the factors controlling microbial growth and community structure after application of amendments in acid mine soils, we performed an incubation experiment with fo

TiOx thin films grown on Pd(100) and Pd(111) by chemical vapor deposition

The growth of ultrathin TiOx (0≤x≤2) films on Pd(100) and Pd(111) surfaces by chemical vapor deposition (CVD), using Titanium(IV)isopropoxide (TTIP) as precursor, has been investigated by high resolution photoelectron spectroscopy, low energy electron diffraction and scanning tunneling microscopy. Three different TiOx phases and one Pd-Ti alloy phase have been identified for both surfaces. The Pd-

From Periphery to Center: Synchrotron Radiation at DESY, Part II: 1977—1993

In its fifty-year history, the German national research laboratory DESY (Deutsches Elektronen-Synchrotron, German Electron Synchrotron) has undergone a gradual transformation from a single-mission particle physics laboratory to a multi-mission research center for accelerator physics, particle physics, and photon science. The last is an umbrella term for research using synchrotron radiation and, in