Results 21 to 30 of about 150,855 (204)

AJUSTE SIMULTÂNEO NA PREDIÇÃO DE BIOMASSA AÉREA EM Araucaria angustifolia (Bertol.) Kuntze

open access: yesBIOFIX Scientific Journal, 2018
Atualmente a estimativa da biomassa é feita de forma independente para cada compartimento da árvore, entretanto estudos mostram a importância do ajuste simultâneo para garantir a melhor predição da biomassa por compartimento e total.
Thiago Wendling Gonçalves de Oliveira   +3 more
doaj   +1 more source

Occurrence of Ochratoxin A in Coffee: Threads and Solutions—A Mini-Review

open access: yesBeverages, 2019
Ochratoxin A (OTA) is a widespread bioactive extrolite from secondary metabolism of fungi which presence in foods like coffee is of public health concern, particularly for heavy drinkers.
Ana Lúcia Leitão
doaj   +1 more source

Distribuição longitudinal da biomassa de microcrustáceos em três reservatórios tropicais (Estado do Paraná, Brasil) - DOI: 10.4025/actascibiolsci.v29i3.484

open access: yesActa Scientiarum: Biological Sciences, 2007
Este estudo avaliou a distribuição longitudinal da biomassa de microcrustáceos planctônicos, em três reservatórios subtropicais, no Brasil, e a relação dessa distribuição com algumas variáveis limnológicas em reservatórios.
Martín César María Bletter   +1 more
doaj   +1 more source

Biomassa e energia [PDF]

open access: yesQuímica Nova, 2009
Biomass was the dominating source of energy for human activities until the middle 19th century, when coal, oil, gas and other energy sources became increasingly important but it still represents ca. 10% of the worldwide energy supply. The major part of biomass for energy is still "traditional biomass" used as wood and coal extracted from native forests
openaire   +3 more sources

Temporal and spatial variation of limnological variables and biomass of different macrophyte species in a Neotropical reservoir (São Paulo - Brazil) [PDF]

open access: yes, 2013
Aim: This study reports an investigation of limnological characteristics and aquatic macrophyte occurrence in a neotropical reservoir in order to assess the spatio-temporal variation of water and sediment variables and their influence on plant ...
Bottino, Flávia   +2 more
core   +2 more sources

PENGEMBANGAN PROSES PEMBUATAN BIOETANOL GENERASI II DARI LIMBAH TANDAN KOSONG KELAPA SAWIT

open access: yesJurnal Pangan dan Agroindustri, 2021
ABSTRAK Tandan kosong kelapa sawit (TKKS) yang merupakan sumber gula mengandung selulosa yang tinggi (75-80%), sehingga memiliki potensi besar untuk dijadikan bioetanol.
Hanifah Khairiah, Muhammad Ridwan
doaj   +1 more source

Custo da eletricidade gerada em conjunto motor gerador utilizando biogás da suinocultura - DOI: 10.4025/actascitechnol.v26i2.1510

open access: yesActa Scientiarum: Technology, 2004
Uma das maiores fontes de energia disponíveis nas áreas rurais e agroindustriais é a biomassa. A mesma aparece na forma de resíduos vegetais e animais, tais como restos de colheita, esterco animal, plantações energéticas e efluentes agroindustriais ...
Samuel Nelson Melegari de Souza   +4 more
doaj   +1 more source

Earthworm communities in organic and conventional coffee cultivation Comunidades de minhocas em cultivo de café orgânico e convencional

open access: yesPesquisa Agropecuária Brasileira, 2009
The objective of this work was to evaluate the effect of organic and conventional coffee crops on biomass, population density and diversity of earthworms, in Lerroville, district of Londrina County, Paraná state, Brazil.
Marie Luise Carolina Bartz   +6 more
doaj   +1 more source

Country Report The Netherlands 2010 : IEA Bioenergy Task 42 [PDF]

open access: yes, 2010
Rapport van het International Energy Agency (IEA) over de productie van bio-energie, het gebruik van biomassa en de toepassing van bioraffinage in ...
Annevelink, E., Ree, R., van
core   +1 more source

Growth of sugar cane varieties under salinity

open access: yesRevista Ceres, 2016
Large salty areas in the Brazilian semi-arid region have limited farming in Northeastern Brazil. One example is the sugar cane cultivation, which reinforces the need of selecting varieties that are more tolerant to salinity.
Welson Lima Simões   +4 more
doaj   +1 more source

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