Resultados de búsqueda - Variables (Mathematics)

Using fuzzy logic models to reveal farmers motives to integrate livestock, fish, and crops. por Bosma, R.H.

“…Rural extension services have changed paradigm and shifted to more participatory approaches, whereas in common mathematical models of farming systems, farmers’ motivation is solely represented by ‘utility maximisation’. …”
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Dominant species predict plant richness and biomass in global grasslands por Zhang,  Pengfei, Seabloom, Eric William, Foo,  Jasmine, MacDougall, Andrew S., Harpole, William Stanley, Adler, Peter B., Hautier, Yann, Eisenhauer, Nico, Spohn, Marie, Bakker, Jonathan D., Peri, Pablo Luis, Borer, Elizabeth T.

“…The bidirectional relationship between plant species richness and community biomass is often variable and poorly resolved in natural grassland ecosystems, impeding progress in predicting impacts of environmental changes. …”
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Biological profile from soil using components analysis por Rossi, Maria Sol, Mon, Rodolfo

“…It is known that principal components analysis is used as a mathematical procedure that transforms a set of correlated response variables into a new set of non-correlated variables known as main components. …”
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Irrigation water saving strategies in Citrus orchards: Analysis of the combined effects of timing and severity of soil water deficit por Puig-Sirera, Àngela, Provenzano, Giuseppe, González-Altozano, Pablo, Intrigliolo, Diego S., Rallo, Giovanni

“…Moreover, this relationship depends on the irrigation schedule adopted to regulate the deficit, which includes the irrigation variables, such as irrigation dose and its variability…”
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Relación del índice de sitio con los factores que influyen en el crecimiento de Tectona grandis L.F. y Bombacopsis quinata (Jacq.) Dugand, en Costa Rica. Una herramienta práctica p... por Montero M., Marcelino, Ugalde, Luis, Kanninen, Markku

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Qualification of a plant disease simulation model: performance of the LATEBLIGHT model across a broad range of environments por Andrade-Piedra, Jorge L., Forbes, Gregory A., Shtienberg, Dani, Grünwald, Niklaus J., Chacón, María G., Taipe, Marco V., Hijmans, Robert J., Fry, William E.

“…A sensitivity analysis showed that, within the range of values observed empirically, LATEBLIGHT is more sensitive to changes in variables related to initial inoculum and to weather than to changes in variables relating to host resistance.…”
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Respuesta anatómica y fisiológica de especies de Nothofagus de Patagonia austral ante la variación de temperatura, humedad, CO2 y nutrientes por Bahamonde, Héctor Alejandro

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Análisis multivariado de índices de consumo en procesos de obtención de leche de soya por Gutiérrez Cordero, Edilia, García Noa, Eduardo, Sariego Toledo, Yanet

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Especies arbóreas con potencial de uso forestal y agroforestal en Tolima, Cesar y Meta por Zuluaga Peláez, Jhon Jairo, Rivera Rojas, Milton, Gutiérrez Vanegas, Albert Julesmar, Cervera Bonilla, Diana Catalina, Arias Rojas, Jaime Andrés, Moreno Barragán, Jessica, Flórez Tuta, Natalia

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The complex dependence of non-enzymatic browning development on processing conditions in maize snacks por Rolandelli, Guido, Favre, Leonardo Cristian, Mshicileli, Ndumiso, Vhangani, Lusani Norah, Farroni, Abel Eduardo, Van Wyk, Jessy, Buera, María del Pilar

“…While L* values decreased continuously with increasing toasting temperature, the variables a* and b* showed maximum values at intermediate studied ranges of temperature and water contents, which is related to the complex interactions of the variables water content and temperature. …”
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Mechanical Biosensors in Biological and Food Area: a Review por Mendoza-Madrigal, A. G., Chanona-Perez, Jorge, Hernandez-Sanchez, H., Palacios-Gonzalez, E., Calderon-Dominguez, Georgina, Mendez-Mendez, J. V., Blasco, José, Villa-Vargas, L. A.

“…An overall description of the operational effect of operation conditions and design variables on the sensitivity devices is also proposed. …”
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Rainfall extremes modeling under shortage of data and uncertainty in the Pampean region (Argentina) por Puricelli, Marino Marcelo

“…The first results obtained in the experimentation and search of mathematical relations for the change of temporal scale for values of intensity of precipitation, valid for a wide territory with clear climatic and ecological variability are presented in this paper. …”
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Environmental limits of Rift Valley fever revealed using ecoepidemiological mechanistic models por Lo Iacono, G., Cunningham, A.A., Bett, Bernard K., Grace, Delia, Redding, D.W., Wood, J.L.N.

“…Instabilities arise when the range of the environmental variables overlaps with the threshold of persistence. …”
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Multivariate mapping of soil with structural equation modelling por Angelini, Marcos Esteban, Heuvelink, Gerard B.M., Kempen, Bas

“…Next, we derived a mathematical model and calibrated it with environmental covariates and soil data from 320 soil profiles. …”
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Estimating a social accounting matrix using entropy difference methods por Robinson, Sherman, El-Said, Moataz

“…It allows incorporating errors in variables, inequality constraints, and prior knowledge about any part of the SAM (not just row and column sums). …”
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Non-market benefits of forests: a modelling approach for policy intervention in Mozambique por Nhantumbo, I., Dent, J.B., Kowero, G.S., McGregor, M.J.

“…Potential and still controversial proxies for analysis of the macroeconomic impacts of environmental variables include the creation of the Resource Environmental Accounts (REA) and the Environmental Adjusted Net Domestic Product (EDP) and other approaches such as change of macroeconomic policies and linear programming. …”
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The two faces of sustainability : Fuzzy evaluation of sustainable development. por Cornelissen, T.

“…Fuzzy models can interface information between the society level and the production system level, because linguistic variables provide a bridge between subjective interpretation of objective measurements. …”
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Structural equation modelling for digital soil mapping por Angelini, Marcos Esteban

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Simulering av gallring med noll, ett eller två beståndsstråk mellan stickvägarna och jämförelse av drivningskostnader por Jonsson, Rikard

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Application of PCR in heartwater epidemiology por Peter, T.F., O'Callaghan, C.J., Perry, Brian D., Medley, G.F., Mahan, S.

“…These analyses can provide valuable estimates of parameters required for mathematical models of heartwater transmission dynamics that evaluate the impact of current and alternate disease control strategies (O'Callaghahan et al., 1997).…”
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