Buscar
Mostrando ítems 21-30 de 9879
Ultrastructure and histochemistry of the mineral concretions in the midgut of bees (Hymenoptera: Apidae)
(1997-01-01)
Mineral concretions in the digestive cells of bees were examined under transmission electron microscope and histochemically. Ultrastructure shows two types of mineral deposits: 1) mineral concretions which are organized ...
Natural radionuclides, 226Ra, 228Ra and 210Pb, determined in mineral water springs from Parque das ??guas de Caxambu, and assessment of the committed effective doses
(Associa????o Brasileira de Energia Nuclear, 2018)
Respostas de clones de Eucalyptus grandis e E. grandis x E. urophylla à supressão de boro
(2010-03-01)
The present work had as objective the study of clones of Eucalyptus grandis and E. grandis × E. urophylla under boron suppression on growth in height and diameter, development of symptoms of deficiency, boron content in ...
Respostas de clones de Eucalyptus grandis e E. grandis x E. urophylla à supressão de boro
(2010-03-01)
The present work had as objective the study of clones of Eucalyptus grandis and E. grandis × E. urophylla under boron suppression on growth in height and diameter, development of symptoms of deficiency, boron content in ...
Mineral salt intake effects on faecal-N concentration and the volume and composition of beef cattle urine
(2018-01-01)
The effect of mineral salts on water ingestion and urine volume in cattle has been extensively studied. However, recently, this effect has been investigated as a potential mitigator of environmental aspects related to the ...
Argentinean copper concentrates: structural aspects and thermal behaviour
(Scientific Research Publishing, 2013-10)
In Argentina, there are many sources of copper concentrates. Some of them are currently in operation, while others are in the exploration stage. All copper concentrates produced are exported to other countries for copper ...
Effect of mineral oil and hydrogen' cyanamide concentration on dormancy breaking in 'Golden Delicious' apple trees
(Taylor & Francis, 2005)
South African production are!3S receive insufficient winter chilling for apple production, necessitating the use of
artificial means to break dormancy_ Hydrogen cyanamide (HC) alone or in combination with mineral oil (oil) ...
Determination of the natural radionuclides 226Ra, 228Ra and 210Pb activity concentrations in the mineral waters from the cities of Monte Alegre do Sul and Socorro, SP
(Associa????o Brasileira de Energia Nuclear, 2021)