147 research outputs found

    Seasonal behaviour of keratinophilic fungi isolated from parks soil in Milan

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    Soil samples collected from 10 parks in Milan were examined for the presence of keratinophilic fungi by the Orr’s hair baiting technique. The organisms isolated and their frequency were as follows: Arthroderma uncinatum and its anamorph Keratinomyces ajelloi were dominantand recovered from 22.5% - 43.7% and 40% - 50% of the soil samples collected in summer and winter respectively. Myceliophthora vellerea was isolated in 31.2% of the samples, particularly in winter, Microsporum gypseum in winter (20%) and Trichophyton terrestre (10%) in summer.Chrysosporium keratinophilum (16.2% in summer and 18.7% in winter) C. indicum (15% s- 23.7% w), C. pannicola (5% s - 37% w). Aphanoascus fulvescens was isolated in summer (23.7%). Among the cycloheximide-resistant keratinophilic fungi Alternaria alternata (27.5% s – 33.7% w), Paecilomyces lilacinus (26.2% s - 18.7% w) and Acremonium strictum (8.7% s - 20% w) also were observed. The distribution of the different species is discussed.

    Microfungi from different substrata in South West Africa (Namibia)

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    A total of 49 genera and 80 taxa, predominantly anamorph of Ascomycota, was recorded from different substrata (mainly soil) collected random in Namibia. It is interesting to note in vegetables the presence of Lasiobolidium spirale, quite a rare species

    Education in wind engineering

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    The author maintains that an adequate education in a discipline as vast and articulated as wind engineering cannot fail to recognize first its origins, developments, fundamentals, advancements and prospects. In this context, an analysis of the actual state of education should identify its limits, gaps and strengths, as well as the hard core of knowledge that should constitute the common basis for a mature and modern discipline capable of generating figures endowed with broad views and specialized skills. This vision may enhance new strategies to exploit technological evolution and communication systems, rationalize co-operative educational programs on wide territorial scales, involve different skills as in-depth as they are varied in the wind engineering community, reach those who need to establish and consolidate this culture, but do not have the opportunity to personally experience the manifold initiatives in the discipline, seize the interest of people towards wind engineering, spread its culture and know-how into everyday life and into society
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