Results 101 to 110 of about 4,141 (193)

Flora Polínica da Reserva do Parque Estadual das Fontes do Ipiranga (São Paulo, Brasil). Família: Urticaceae

open access: yesHoehnea
RESUMO No presente trabalho foram estudados os grãos de pólen de 11 espécies pertencentes à família Urticaceae (Boehmeria cylindrica (L.) Sw., Cecropia glaziovii (Snethl), C. hololeuca (Miq), C. pachystachya Trécul, Coussapoa microcarpa ( Shott) Rizzini,
Angela Maria da Silva Corrêa   +5 more
doaj   +1 more source

Municipal Solid Waste Costs: A Comparative Analysis of Local Authority Policies in Attica [PDF]

open access: yes
This paper presents the results from a comparative study of solid waste costs of the municipal authorities in Attica. At first, it attempts to estimate the economic cost of solid waste for a number of municipal authorities of the Attica region. The solid
Antonis Rovolis   +2 more
core  

HYDROGEN PEROXIDE ELECTROSYNTHESIS AND DETECTION IN SULPHATE MEDIA

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2016
The increase of the graphite electrocatalytic activity toward hydrogen peroxide (HP) electrosynthesis (HPE) by the partial electroreduction of O2 can be achieved by in-situ electroactivation (EA). Our previous studies completed in strong alkaline media (
Ana-Domnica MĂRINCEAN   +2 more
doaj  

TREE SPECIES DIVERSITY AND MANAGEMENT IN AGROFORESTRY POHPOHAN (Pilea melastomoides)

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology
Article Highlights - Pohpohan (Pilea melastomoides) is the main commodity cultivated by using traditional agroforestry in the traditional zone of Gunung Halimun Salak National Park as a fresh vegetable.
Adisti Permatasari   +5 more
doaj   +1 more source

Architecture of Dicotyledonous Weeds in Some Areas of Banyumas Regency Central Java [PDF]

open access: yes, 1986
B. SUNARNO & F. HALLE. 1986, Arsitektur jenis-jenis gulma dikotil di beberapa daerah Banyumas, Jawa Tengah. Bcriia Biologi 3(4): 146 - 154 Pengamatan lapangan dilakukan untuk mengetahui jenis-jenis gulma dikotil yang pola pertumbuhannya mirip dengan ...
HALLE, F. (F), SUNARNO, B. (B)
core  

Resultados de los análisis palinológicos de los yacimientos LP-134, NA-20 y PN-106, Gran Coclé, Panamá [PDF]

open access: yes
In this report we present the results of the palynological analyses of some samples taken in three archaeological ites of Gran oclé, to reconstruct the ancient landscape of the region and investigate if some of these ites was used like agricultural ...
Moreno, Enrique, Murray, Katrina
core   +1 more source

Evaluation of advanced combustion concepts for dry NO sub x suppression with coal-derived, gaseous fuels [PDF]

open access: yes
The emissions performance of a rich lean combustor (developed for liquid fuels) was determined for combustion of simulated coal gases ranging in heating value from 167 to 244 Btu/scf (7.0 to 10.3 MJ/NCM). The 244 Btu/scf gas is typical of the product gas
Beebe, K. W.   +2 more
core   +1 more source

PROFESSOR IONEL CATALIN POPESCU ON HIS 70TH ANNIVERSARY

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2015
Professor Ionel Catalin Popescu was born on the 15th of July 1945. After graduating from Babeş-Bolyai University Cluj-Napoca (UBB) as a chemist in 1968, he became a research assistant at Petru Poni Macromolecular Chemistry Research Institute in Iasi ...
Liana Maria MUREŞAN   +2 more
doaj  

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