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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Meio-Norte. |
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Data corrente: |
13/12/2018 |
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Data da última atualização: |
29/05/2019 |
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Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
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Autoria: |
POMPEU, R. C. F. F.; VASCONCELOS, E. C. G.; MESQUITA, A. M. S. de; SANTOS, O. G. dos; CÂNDIDO, M. J. D.; SOUZA, H. A. de; LOPES, M. N.; CAVALCANTE, A. C. R.; GUEDES, F. L.; ARAÚJO, R. A. de; MAGALHAES, J. A. |
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Afiliação: |
ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; Elayne Cristina Gadelha Vasconcelos, Bolsista da Embrapa Caprinos e Ovinos - Sobral, CE; Antônia Marta Souza de Mesquita, Bolsista da Embrapa Caprinos e Ovinos - Sobral, CE; Odécia Gomes dos Santos; Magno José Duarte Cândido, Universidade Federal do Ceará (UFC) - Fortaleza, CE; HENRIQUE ANTUNES DE SOUZA, CPAMN; Marcos Neves Lopes; ANA CLARA RODRIGUES CAVALCANTE, CNPC; FERNANDO LISBOA GUEDES, CNPC; Ricardo Alves de Araújo; JOAO AVELAR MAGALHAES, CPAMN. |
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Título: |
Estrutura do dossel e teor de nitrogênio do consórcio leguminosa com gramíneas de diferentes hábitos de crescimento. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Sobral: Embrapa Caprinos e Ovinos, 2018. |
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Páginas: |
14 p. |
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Série: |
(Embrapa Caprinos e Ovinos. Comunicado Técnico, 185). |
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Idioma: |
Português |
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Conteúdo: |
Resumo: O documento avalia as condições intensivas de manejo, e consorciada com gramíneas de diferentes hábitos de crescimento, esse experimento foi conduzido com o objetivo de avaliar o consórcio entre a leguminosa cunhã (Clitoria ternatea L.) e gramíneas forrageiras tropicais com três diferentes hábitos de crescimento: decumbente (capim-braquiária), cespitoso (capim-tamani) e estolonífero (capim--tierra verde), visando averiguar aquela mais compatível e que garanta produção mais sustentável em condições irrigadas no Semiárido brasileiro. |
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Palavras-Chave: |
Brasil; Capim Tamani; Capim-tierra verde; Consorciação; Produção de forragem; Região Nordeste. |
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Thesagro: |
Clitoria Ternatea; Cunha; Cynodon Dactylon; Forrageira Tropical; Gramínea Forrageira; Leguminosa Forrageira; Pastagem Consorciada. |
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Thesaurus Nal: |
Brazil; Forage legumes; Megathyrsus maximus; Urochloa decumbens. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/197870/1/CNPC-2018-Cot185.pdf
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Marc: |
LEADER 01939nam a2200457 a 4500
001 2101508
005 2019-05-29
008 2018 bl uuuu u0uu1 u #d
100 1 $aPOMPEU, R. C. F. F.
245 $aEstrutura do dossel e teor de nitrogênio do consórcio leguminosa com gramíneas de diferentes hábitos de crescimento.$h[electronic resource]
260 $aSobral: Embrapa Caprinos e Ovinos$c2018
300 $a14 p.
490 $a(Embrapa Caprinos e Ovinos. Comunicado Técnico, 185).
520 $aResumo: O documento avalia as condições intensivas de manejo, e consorciada com gramíneas de diferentes hábitos de crescimento, esse experimento foi conduzido com o objetivo de avaliar o consórcio entre a leguminosa cunhã (Clitoria ternatea L.) e gramíneas forrageiras tropicais com três diferentes hábitos de crescimento: decumbente (capim-braquiária), cespitoso (capim-tamani) e estolonífero (capim--tierra verde), visando averiguar aquela mais compatível e que garanta produção mais sustentável em condições irrigadas no Semiárido brasileiro.
650 $aBrazil
650 $aForage legumes
650 $aMegathyrsus maximus
650 $aUrochloa decumbens
650 $aClitoria Ternatea
650 $aCunha
650 $aCynodon Dactylon
650 $aForrageira Tropical
650 $aGramínea Forrageira
650 $aLeguminosa Forrageira
650 $aPastagem Consorciada
653 $aBrasil
653 $aCapim Tamani
653 $aCapim-tierra verde
653 $aConsorciação
653 $aProdução de forragem
653 $aRegião Nordeste
700 1 $aVASCONCELOS, E. C. G.
700 1 $aMESQUITA, A. M. S. de
700 1 $aSANTOS, O. G. dos
700 1 $aCÂNDIDO, M. J. D.
700 1 $aSOUZA, H. A. de
700 1 $aLOPES, M. N.
700 1 $aCAVALCANTE, A. C. R.
700 1 $aGUEDES, F. L.
700 1 $aARAÚJO, R. A. de
700 1 $aMAGALHAES, J. A.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
22/08/2005 |
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Data da última atualização: |
13/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SANTOS, M. C.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. |
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Afiliação: |
MIRIAN C. SANTOS, Universidade Federal de São Carlos; ANA RITA DE ARAUJO NOGUEIRA, CPPSE; JOAQUIM A. NÓBREGA, Universidade Federal de São Carlos. |
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Título: |
Clay and refractory materials slurries in ductively coupled plasma optical emission spectrometry: effects of mechano chemical on emission intensities of analytes. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Journal of Brazilian Chemical Society, v. 16, n. 3a, p. 372-380, june 2005. |
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DOI: |
https://doi.org/10.1590/S0103-50532005000300010 |
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Idioma: |
Inglês |
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Conteúdo: |
The developed work investigated the application of mechanochemical synthesis for promoting reactions in the samples and for synthesizing new compounds for increment of emission intensities of analytes in clays and refractory materials slurries in inductively coupled plasma optical emission spectrometry with axial viewing. The hypothesis is that it is possible to generate more volatile compounds during the grinding step and these new compounds will increase the intensities of emission signals for slurries introduced in the plasma. The action of two chemical modifiers, LiBO2 and Na2CO3, added during the grinding step was evaluated. The clays and refractory materials mixed with the chemical modifier were ground for 2 h using a high impact ball mill with a tungsten carbide grinding container and balls. Slurries were prepared by dispersing the modified clays and refractory materials in 10% v v-1 HNO3 solution and by shaking them in an ultrasonic bath to ensure good dispersion. The compounds produced during the grinding step were characterised by X-ray diffraction and thermogravimetric analysis. Both techniques indicated the formation of new compounds in clays and refractory materials by mechanochemical synthesis. Chemical modification effects were evaluated by changes of the emission intensities of Al, Ca, Fe, K, Mg, P, Si, and Ti. Both modifiers caused increments of sensitivities for all analytes in up to 665% (Na2CO3) and 583% (LiBO2) compared to the emission signals for analytes present in slurries prepared using samples ground without adding modifiers. MenosThe developed work investigated the application of mechanochemical synthesis for promoting reactions in the samples and for synthesizing new compounds for increment of emission intensities of analytes in clays and refractory materials slurries in inductively coupled plasma optical emission spectrometry with axial viewing. The hypothesis is that it is possible to generate more volatile compounds during the grinding step and these new compounds will increase the intensities of emission signals for slurries introduced in the plasma. The action of two chemical modifiers, LiBO2 and Na2CO3, added during the grinding step was evaluated. The clays and refractory materials mixed with the chemical modifier were ground for 2 h using a high impact ball mill with a tungsten carbide grinding container and balls. Slurries were prepared by dispersing the modified clays and refractory materials in 10% v v-1 HNO3 solution and by shaking them in an ultrasonic bath to ensure good dispersion. The compounds produced during the grinding step were characterised by X-ray diffraction and thermogravimetric analysis. Both techniques indicated the formation of new compounds in clays and refractory materials by mechanochemical synthesis. Chemical modification effects were evaluated by changes of the emission intensities of Al, Ca, Fe, K, Mg, P, Si, and Ti. Both modifiers caused increments of sensitivities for all analytes in up to 665% (Na2CO3) and 583% (LiBO2) compared to the emission signals for analyt... Mostrar Tudo |
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Palavras-Chave: |
ICP; Mechanochemical synthesis; OES; Refractory material; Slurry. |
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Thesaurus NAL: |
clay. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/110387/1/a10v16n3a.pdf
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Marc: |
LEADER 02362naa a2200229 a 4500
001 1047197
005 2023-03-13
008 2005 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S0103-50532005000300010$2DOI
100 1 $aSANTOS, M. C.
245 $aClay and refractory materials slurries in ductively coupled plasma optical emission spectrometry$beffects of mechano chemical on emission intensities of analytes.$h[electronic resource]
260 $c2005
520 $aThe developed work investigated the application of mechanochemical synthesis for promoting reactions in the samples and for synthesizing new compounds for increment of emission intensities of analytes in clays and refractory materials slurries in inductively coupled plasma optical emission spectrometry with axial viewing. The hypothesis is that it is possible to generate more volatile compounds during the grinding step and these new compounds will increase the intensities of emission signals for slurries introduced in the plasma. The action of two chemical modifiers, LiBO2 and Na2CO3, added during the grinding step was evaluated. The clays and refractory materials mixed with the chemical modifier were ground for 2 h using a high impact ball mill with a tungsten carbide grinding container and balls. Slurries were prepared by dispersing the modified clays and refractory materials in 10% v v-1 HNO3 solution and by shaking them in an ultrasonic bath to ensure good dispersion. The compounds produced during the grinding step were characterised by X-ray diffraction and thermogravimetric analysis. Both techniques indicated the formation of new compounds in clays and refractory materials by mechanochemical synthesis. Chemical modification effects were evaluated by changes of the emission intensities of Al, Ca, Fe, K, Mg, P, Si, and Ti. Both modifiers caused increments of sensitivities for all analytes in up to 665% (Na2CO3) and 583% (LiBO2) compared to the emission signals for analytes present in slurries prepared using samples ground without adding modifiers.
650 $aclay
653 $aICP
653 $aMechanochemical synthesis
653 $aOES
653 $aRefractory material
653 $aSlurry
700 1 $aNOGUEIRA, A. R. de A.
700 1 $aNÓBREGA, J. A.
773 $tJournal of Brazilian Chemical Society$gv. 16, n. 3a, p. 372-380, june 2005.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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