Results 11 to 20 of about 3,261 (177)

Produção vegetal e de óleo essencial de boldo pequeno em função de fontes de adubos orgânicos [PDF]

open access: yesRevista Ceres, 2011
A aplicação de fertilizantes orgânicos, em plantas medicinais e aromáticas, normalmente modifica positivamente a produção vegetal e de óleo essencial.
Louise Ferreira Rosal   +5 more
doaj   +2 more sources

Cultivo de pleurotus pulmonarius em óleo vegetal residual de uma indústria alimentícia de Maringá - PR [PDF]

open access: yesUNINGÁ Review, 2016
O Brasil é um dos maiores produtores e consumidor mundial de óleo vegetal, acarretando em grandes volumes de óleo residual, que se descartado inadequadamente polui o meio ambiente.
JULIANO ROBSON GENERO   +2 more
doaj   +4 more sources

Chemistry, Medicine, and Gold‐Making: Tycho Brahe, Helwig Dieterich, Otto Tachenius, and Johann Glauber

open access: yesChemPlusChem, Volume 88, Issue 1, January 2023., 2023
Three major objectives of 17th century chemists were the preparation of proper chemicals, the preparation of herbal and inorganic medicines (iatrochemistry), and the making of gold by transmutation of lesser metals. The doctrines of Aristotle and Paracelsus that all things were made from the same, primary constituents, implied the feasibility of ...
Curt Wentrup
wiley   +1 more source

Origins of Organic Chemistry and Organic Synthesis

open access: yesEuropean Journal of Organic Chemistry, Volume 2022, Issue 25, July 7, 2022., 2022
The origins of organic chemistry and organic synthesis started in the middle ages, long before molecular compositions were known. Paradigm shifts caused by Lavoisier, Chevreuil, Wöhler, Liebig, Kolbe and Berthelot are highlighted. The graphic shows some early key organic molecules, but although synthesis and analysis had become well established ...
Curt Wentrup
wiley   +1 more source

Biocombustível renovável: uso de óleo vegetal em motores [PDF]

open access: yes, 2010
O óleo vegetal extraído de sementes de plantas e utilizado como fonte de energia renovável é uma alternativa ambientalmente correta e sustentável. O objetivo deste trabalho foi apresentar técnicas e experiências atuais de uso de óleo vegetal em motores ...
Edson Perez Guerra, Werner Fuchs
core   +4 more sources

AVONET: morphological, ecological and geographical data for all birds

open access: yesEcology Letters, Volume 25, Issue 3, Page 581-597, March 2022., 2022
Existing morphological trait datasets for major taxonomic groups are highly incomplete, limiting their utility to ecologists and evolutionary biologists. We present a global dataset containing comprehensive morphological information, coupled with ecological and geographical variables, for all bird species.
Joseph A. Tobias   +115 more
wiley   +1 more source

Revisiting a place‐based policy: Transformations in Northeast Brazil

open access: yesGrowth and Change, Volume 52, Issue 4, Page 2412-2436, December 2021., 2021
Abstract Despite being the second most populated region in Brazil, the Northeast has persistently accounted for a small share of national income. A well‐known attempt to develop the region was made in 1959 with the creation of SUDENE, a big push type of place‐based policy resulting in an intensification of industrial investments.
Solmaria Halleck Vega
wiley   +1 more source

A reevaluation of the role of the ASIL trihelix transcription factors as repressors of the seed maturation program

open access: yesPlant Direct, Volume 5, Issue 10, October 2021., 2021
Abstract Developmental transitions are typically tightly controlled at the transcriptional level. Two of these transitions involve the induction of the embryo maturation program midway through seed development and its repression during the vegetative phase of plant growth.
Kevin A. Ruiz   +9 more
wiley   +1 more source

Classification of forest and shrubland vegetation in Mediterranean Turkey

open access: yesApplied Vegetation Science, Volume 24, Issue 2, April/June 2021., 2021
Mediterranean Turkey comprises three vegetation belts: 1) thermo‐ and meso‐mediterranean, with coniferous (Pinus brutia, Pinus pinea) and sclerophyllous forests, as well as macchia, garrigue and phrygana (red dots), 2) supra‐mediterranean, with Pinus nigra, thermophilous oaks and Ostrya carpinifolia forests, and forests of temperate species (yellow ...
Ali Kavgacı   +7 more
wiley   +1 more source

Análise de ciclo de vida (ACV) de óleos refrigerantes para transformadores: comparação entre óleo mineral e óleo vegetal [PDF]

open access: yes, 2021
Transformers are considered one of the most important components in the transmission and distribution of the system sector electrical. As they work at high temperature your cooling system must work very well to increase its useful life.
BATISTA, Marcos Rafael Pereira
core  

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