Poroid fungi (Agaricomycetes, Basidiomycota) from Floresta Nacional de Silvânia – a conservation unit of Brazilian Savanna

Seven new species of the spider genus Ochyrocera from caves in Floresta Nacional de Carajás, PA, Brazil (Araneae, Ochyroceratidae)

Seven new species of the spider genus Ochyrocera from cave areas in Floresta Nacional de Carajás (state of Pará, northern Brazil) are described: Ochyrocera varyssp. n., Ochyrocera atlachnachasp. n., Ochyrocera laracnasp. n., Ochyrocera aragoguesp. n., Ochyrocera misspidersp. n., Ochyrocera charlottesp. n., and Ochyrocera ungoliantsp. n. Two groups of the species are discussed, the quinquivittat...

Conselho Nacional De Saúde

Sequestrate fungi from Patagonian Nothofagus forests: Cystangium (Russulaceae, Basidiomycota).

Six species of Cystangium, a genus of sequestrate taxa related to Russula, were collected in Patagonia (Argentina and Chile) during autumn 2001. Two species, C. depauperatum Singer & A.H. Sm. and C. nothofagi (E. Horak) Trappe, Castellano & T. Lebel, were already known from this region, while four new species, C. domingueziae, C. gamundiae, C. grandihyphatum and C. longisterigmatum, are describ...

Universidad Nacional De Educación a Distancia

This paper explores the difficulties of reading large numbers of scientific pa-pers when doing the history of 20th century science and technology. It arguesthat there is a tension between two modes: that of close reading of key papersand that of citation analysis and other automated modes of mapping the litera-ture. The challenge charting between the two and of maintaining an in...

elimination of btex , voc vapors from glycol in gas hydrant unit

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...