SABIIA - Sistema Aberto e Integrado de Informação em Agricultura (Sabiia)

Acetylcholinesterase activity in the pons and medulla oblongata of rats after chronic electroconvulsive shock

Molden, David J..

This paper presents a conceptual framework for water accounting and provides generic terminologies and procedures to describe the status of water resource use and consequences of water resources related actions. The framework applies to water resource use at three levels of analysis: a use level such as an irrigated field or household, a service level such as an irrigation or water supply system, and a water basin level that may include several uses. Water accounting terminology and performance indicators are developed and presented with examples at all the three levels. Concepts and terminologies presented are developed to be supportive in a number of activities including: identification of opportunities for water savings and increasing water...

Tipo: Book

Palavras-chave: Water management; Irrigation management; Water supply; Terminology; Performance indexes; Water use; Water allocation; Productivity; Water balance; Crop Production/Industries; Farm Management; Productivity Analysis.

Ano: 1997

URL: http://purl.umn.edu/113623

BJMBR

Camarini,R.; Benedito,M.A.C..

An imbalance between cholinergic and noradrenergic neurotransmission has been proposed for the etiology of affective disorders. According to this hypothesis, depression would be the result of enhanced cholinergic and reduced noradrenergic neurotransmission. Repeated electroconvulsive shock (ECS) is an effective treatment for depression; moreover, in laboratory animals it induces changes in brain noradrenergic neurotransmission similar to those obtained by chronic treatment with antidepressant drugs (down-regulation of beta-adrenergic receptors). The aim of the present study was to determine whether repeated ECS in rats changes acetylcholinesterase (Achase) activity. Achase controls the level of acetylcholine (Ach) in the synaptic cleft and its levels seem...

Acetylcholinesterase inhibition in organophosphate-resistant Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae)

Palavras-chave: Acetylcholinesterase; Medulla oblongata; Pons; Chronic electroconvulsive shock.

Ano: 1997

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997001000012

Anais da SEB

Guedes,Raul N. C.; Dover,Barry A..

Populações de Rhyzopertha dominica (F.) resistente e susceptível a inseticidas fosforados foram investigadas para verificar a ocorrência de acetilcolinesterase alterada. Malaoxon, a diferentes concentrações, foi utilizado como inibidor em ensaios colorimétricos "in vitro". Populações resistentes provenientes dos municípios de Patrocínio (Minas Gerais, Brasil) e Riley (Kansas, E.U.A.) apresentaram, respectivamente, 9,3- e 12,3- vezes menor sensibilidade ao malaoxon que a população susceptível de laboratório. Acetilcolinesterase de insetos resistentes foi inibida mais lentamente que a enzima de insetos susceptíveis com razão de constante bimolecular (k i) diferindo em 5,5- e 12,8- vezes para o malaoxon. Esses resultados confirmaram estudos prévios indicando...

Acidose metabólica em bezerros neonatos com diarréia.

Palavras-chave: Insecta; Praga de grãos armazenados; Malatiom; Insensibilidade de acetilcolinesterase; Resistência a inseticidas.

Ano: 1997

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591997000300020

Infoteca-e

OLIVEIRA, M. C. de S.; NOVAES, A. P. de.

O equilíbrio iônico nos fluidos corporais; Mecanismo respiratório; Mecanismo Metabólico; Como interpretar valores de ácido-base; Diagnóstico de acidose em bezerros com diarréia; Cálculo do volulme e método de administração.

Tipo: Circular Técnica (INFOTECA-E)

Palavras-chave: Neonatos; Dairy calf.; Bezerro Leiteiro; Diarréia.; Diarrhea..

Ano: 1997

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/44164

ACL MYOTOXIN FROM Agkistrodon contortrix laticinctus ON FAST AND SLOW SKELETAL MUSCLE FIBERS OF MICE:ANALYSIS OF INJURY AND MUSCLE RECOVERY

J. Venom. Anim. Toxins

Morini,C.C.; Pereira,E.C.L.; Araújo,H.S. Selistre de; Ownby,C.L.; Salvini,T.F..

Tipo: Info:eu-repo/semantics/other

Ano: 1997

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79301997000200025

Acompanhamento da umidade de um solo coberto pela vegetação de cerrado usando a técnica de TDR (Rflectometria no Domínio do Tempo).

Infoteca-e

PESSOA, J. D. C.; KANNO, S. S.; SILVA, R. T.; MORAES, J. A. P. V..

bitstream/CNPDIA/10025/1/PA14_97.pdf

Tipo: Séries anteriores (INFOTECA-E)

Ano: 1997

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/30017

Acquisition d'éléments qualitatifs et quantitatifs sur l'expansion de Caulerpa taxifolia en 1995 et 1996 (Alpes Maritimes et Principauté de Monaco).

ArchiMer

Belsher, Thomas.

Plusieurs campagnes océanographiques, menées à bord du N.O « L'Europe » (Ifremer) et du « Vitamar II » (Services de l'Environnement et de la Marine, Monaco), au cours des années 1995 et 1996, ont permis d'établir la cartographie de C. taxifolia le long des côtes des Alpes Maritimes et de la Principauté de Monaco. L'expansion de l'algue continue, notamment en profondeur. Une étude in situ du métabolisme et de la production primaire des champs de C. taxifolia et de P. oceanica a été également initiée.

Tipo: Text

Ano: 1997

URL: http://archimer.ifremer.fr/doc/00104/21572/19152.pdf

Actes du colloque : Des activités du Grand Littoral Atlantique à l'Observatoire des pêches et des cultures marines du golfe de Gascogne

ArchiMer

Caill, Nathalie; Prouzet, Patrick; Cuende, François-xavier; Milly, David; Pautrizel, Françoise.

Tipo: Text

Ano: 1997

URL: http://archimer.ifremer.fr/doc/00105/21606/19186.pdf

Action concertée sur les semis de coquille Saint-Jacques en Europe (1993-1996)

ArchiMer

Fleury, Pierre-gildas; Dao, Jean-claude; Mikolajunas, John-paul; Minchin, Daniel; Norman, Mark; Strand, Oivind.

Faced with the decline of scallop {Pecten maximus) fisheries and high costs of ongrowing in suspension, scallop seabed cultivation appeared to be the most suitable technique for European conditions. A three-year European Concerted Action supported by European Union and Norway (associated country) joined together four teams involved in scallop seedings : - IFREMER Brest / laboratory Molluscs, in Brittany (France), a national institute of ocean research (co-ordinator of the Concerted Action) ; - Connemara Shellfish Co-op, in Connemara, County of Galway (Ireland), a fishermen's co-operative ; - Seafish Ardtoe, in Scotland (United Kingdom), an institute provided by the fishing industry ; - Institute of Marine Research, in Bergen (Norway), a national institute...

Tipo: Text

Ano: 1997

URL: http://archimer.ifremer.fr/doc/1997/rapport-2451.pdf

Actividad antifúngica in vitro del Pinus caribaea (pino macho)

Plantas Medicinales

RIVERO LÓPEZ,MIGUEL; ALVAREZ GONZÁLEZ,MANUEL; LÓPEZ ACOSTA,TANIA; GONZÁLEZ CÁCERES,JUANA.

Con el objetivo de demostrar la actividad antifúngica in vitro frente a hongos filamentosos de los extractos acuoso y alcohólico de hojas de pino macho, se realiza un estudio por el método de difusión y se enfrentan éstos a diferentes especies de hongos como Microsporum gypseum, Trichophyton mentagrophytes, Microsporum canis y Trichophyton rubrum, productores frecuentes de micosis superficiales en nuestra población. Los datos fueron analizados estadísticamente mediante el test de Kruskal-Wallis, la prueba de rango de Mann Whitney, el test de Friedman y el test de rango Wilcoxon. Se concluye que el extracto acuoso y los extractos fluidos alcohólicos al 25 y 50 % no presentaron actividad antifúngica frente a estas especies de hongos y que los extractos...

Tipo: Journal article

Palavras-chave: PLANTAS MEDICINALES HONGOS; IN VITRO MICOSIS FUNGOIDES.

Ano: 1997

URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1028-47961997000100006

ACTUAL VERSUS STATED WILLINGNESS TO PAY: A COMMENT

Cohen, Daniel R.; Zilberman, David.

Offering evidence from the California Irrigation Management Information System (CIMIS) and centering around Kenkel and Norris conclusions regarding "Agricultural Producers' Willingness to Pay for Real-Time Mesoscale Weather Information," this article questions the use of growers' hypothetical willingness-to-pay responses as the sole basis for deciding whether to invest in Mesonet, a statewide network of weather station. Survey respondents' lack of familiarity with a new technology and strategic behavior lead to underestimates of actual willingness to pay. Moreover, weather information has numerous agricultural and nonagricultural uses, and only sampling growers overlooks gains to other potential users. Low hypothetical willingness-to-pay responses of...

Tipo: Journal Article

Palavras-chave: Farm Management.

Ano: 1997

URL: http://purl.umn.edu/30849

Acute extracellular fluid volume changes increase ileocolonic resistance to saline flow in anesthetized dogs

BJMBR

Santiago Jr.,A.T.; Gondim,F. de-A.A.; Cavalcante,D.I.M.; da-Graça,J.R.V.; de-Oliveira,G.R.; dos-Santos,A.A.; Rola,F.H..

We determined the effect of acute extracellular fluid volume changes on saline flow through 4 gut segments (ileocolonic, ileal, ileocolonic sphincter and proximal colon), perfused at constant pressure in anesthetized dogs. Two different experimental protocols were used: hypervolemia (iv saline infusion, 0.9% NaCl, 20 ml/min, volume up to 5% body weight) and controlled hemorrhage (up to a 50% drop in mean arterial pressure). Mean ileocolonic flow (N = 6) was gradually and significantly decreased during the expansion (17.1%, P<0.05) and expanded (44.9%, P<0.05) periods while mean ileal flow (N = 7) was significantly decreased only during the expanded period (38%, P<0.05). Mean colonic flow (N = 7) was decreased during expansion (12%, P<0.05) but...

Adão José Cardoso (1951-1997)

Palavras-chave: Ileocolonic motility; Extracellular fluid volume; Expansion; Hemorrhage; Atropine.

Ano: 1997

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000800014

Zoologia

Linhares,Arício Xavier.

Additional studies in Coprinus subsection Glabri

Ano: 1997

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751997000200020

Uljé, C.B.; Bender, H..

First Coprinus lilatinctus, belonging to subsect. Glabri, is described as new. Secondly, nomenclatural reasons are given for Coprinus nudiceps P.D. Orton to be replaced by the older name C. schroeteri P. Karst. Type studies of both taxa are given and their synonymy is discussed. To facilitate identification an updated key is given for the species in subsect. Glabri.

ADDITIONALITY OF CREDIT GUARANTEES FOR U.S. WHEAT EXPORTS

Ano: 1997

URL: http://www.repository.naturalis.nl/record/531692

Diersen, Matthew A.; Wilson, William W.; Dahl, Bruce L.; Satyanarayana, Vidyashankara.

The value of credit guarantee programs has recently been called into question. Credit guarantees are important marketing tools in the world wheat market, both to develop new markets and to compete in existing markets. This study examines the additionality of export credit guarantees. Empirical demand models were developed and estimated using pooled data among importing countries. Models were estimated for each of the principal exporting countries providing export credit guarantees: the United States, Canada and France. Additionality of credit guarantees were also contrasted to the Export Enhancement Program. Positive additionality was found for CCC guarantees, indicating that the GSM programs have resulted in additional exports that would not have...

Tipo: Working or Discussion Paper

Palavras-chave: Additionality; Export Credit Guarantees; Price Subsidy; GSM-102; EEP; Canada; United States; France; Agricultural Finance; International Relations/Trade.

Ano: 1997

URL: http://purl.umn.edu/23425

ADDITIONALITY OF CREDIT GUARANTEES FOR U.S. WHEAT EXPORTS; SUMMARY

Diersen, Matthew A.; Wilson, William W.; Dahl, Bruce L.; Satyanarayana, Vidyashankara.

Tipo: Working or Discussion Paper

Palavras-chave: Additionality; Export Credit Guarantees; Price Subsidy; GSM-102; EEP; Canada; United States; France; Agricultural Finance; International Relations/Trade.

Ano: 1997

URL: http://purl.umn.edu/23240

Addresses of herbaria in Malesia

NN.

As could be expected errors and omissions occurred in the previous compilations which are corrected here. Indonesia — Wanariset (WAN): Herbarium, Wanariset Samboja, Forestry Research Institute of Samarinda, POB 1206, Samarinda, East Kalimantan, Borneo. Tel. (62) 542-35206. Fax (62) 541-42298/542-22640. E-mail: trobos@server.indo.net.id

Addresses of herbaria in Malesia

Ano: 1997

URL: http://www.repository.naturalis.nl/record/533162

NN.

As could be expected errors and omissions occurred in the previous compilations which are corrected here.

Addresses of herbaria in Malesia

Ano: 1997

URL: http://www.repository.naturalis.nl/record/533350

NN.

As could be expected errors and omissions occurred in the previous compilations; they are corrected here.

Adequação de métodos indiretos para estimativa da erodibilidade de solos com horizonte B textural no Brasil

Ano: 1997

URL: http://www.repository.naturalis.nl/record/533017

Rev. Bras. Ciênc. Solo

Marques,J.J.G.S.M.; Curi,N.; Ferreira,M.M.; Lima,J.M.; Silva,M.L.N.; Carolino de Sá,M.A..

O conhecimento da erodibilidade dos solos (fator K) é de fundamental importância para a aplicação da equação universal de perdas de solo (EUPS). O objetivo deste trabalho foi verificar a adequação de diferentes métodos indiretos para estimativa da erodibilidade de solos com horizonte B textural (Bt) de várias regiões geográficas do Brasil. Coletaram-se amostras superficiais de 22 solos com Bt, cujo fator K foi determinado diretamente no campo. Realizaram-se diversas análises químicas e físicas, de modo que o fator K pudesse ser estimado por treze diferentes métodos indiretos. Correlacionaram-se os valores dos fatores K medidos no campo com os obtidos indiretamente. Verificou-se que nenhum dos métodos indiretos testados é adequado para a estimativa do fator...