Results 31 to 40 of about 41,831 (231)

Systems Thinkers [PDF]

open access: yes, 2009
Systems Thinkers presents a biographical history of the field of systems thinking, by examining the life and work of thirty of its major thinkers. It discusses each thinker's key contributions, the way this contribution was expressed in practice and the ...
Ramage, Magnus, Shipp, Karen
core   +2 more sources

Embracing Complexity in HRM Research: A Call for System and Process Perspectives

open access: yesHuman Resource Management, EarlyView.
ABSTRACT Human resource management (HRM) is inherently complex. It involves systems of principles, practices, and activities operating at individual, group, organizational, and macro levels, which are interlinked through complex processes. Yet, empirical research has not kept pace with this conceptual richness.
Rebecca Hewett, Madleen Meier‐Barthold
wiley   +1 more source

Analyzing Growth Curves of Turkeys Reared in Different Breeding Systems (Intensive and Free-Range) with some Nonlinear Models

open access: yesBrazilian Journal of Poultry Science
The objective of this study was to identify the growth curve of live weight of turkeys reared in different systems (intensive and free- range) with the best mathematical model. To achieve this goal, the live weight of male and female turkeys (Large White)
B Sogut, S Celik, T Ayasan, H Inci
doaj   +1 more source

Growth dynamics of the spinner shark (Carcharhinus brevipinna) off the United States southeast and Gulf of Mexico coasts: a comparison of methods [PDF]

open access: yes, 2005
The age and growth dynamics of the spinner shark (Carcharhinus brevipinna) in the northwest Atlantic Ocean off the southeast United States and in the Gulf of Mexico were examined and four growth models were used to examine variation in the ability to fit
Baremore, Ivy E., Carlson, John K.
core  

Extending the hyper‐logistic model to the random setting: New theoretical results with real‐world applications

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
We develop a full randomization of the classical hyper‐logistic growth model by obtaining closed‐form expressions for relevant quantities of interest, such as the first probability density function of its solution, the time until a given fixed population is reached, and the population at the inflection point.
Juan Carlos Cortés   +2 more
wiley   +1 more source

Bayesian approach for evaluating ammonia volatilization nitrogen losses in fertilizers applied to coffee plants [PDF]

open access: yesCiência e Agrotecnologia
Ammonia loss through volatilization is an important reason for the lower effectiveness of nitrogen fertilizers in coffee plants. The Bayesian approach uses informative prior distributions, which help improve the precision and accuracy of inferences ...
Mírian Rosa   +2 more
doaj   +1 more source

Proposal of a non-linear model to adjust in vitro gas production at different incubation times

open access: yesBioscience Journal, 2023
This work aims to propose a new model named Gompertz-Von Bertalanffy bicompartmental (GVB), a combination of the models Gompertz and Von Bertalanffy. The GVB models is applied to fit the kinetic curve of cumulative gas production (CGP) of four foods (SS –
André Luiz Pinto dos Santos   +8 more
doaj   +1 more source

The age and growth of the tongue sole Cynoglossus canariensis (Steind 1882) [PDF]

open access: yes, 1983
The geometric mean regression equation for the weight; length relationship of Cynoglossus canariensis was W = 0.0025 L super(3.1770). The Von Bertalanffy constants Woo, Loo, K, and to were 507.5852 g, 47.3683 cm, 0.3333 and 0.1397 for males and 839.0753 ...
Ajayi, T.O.
core  

Road mortality alters the body size and age structure of amphibians

open access: yesOikos, EarlyView.
Road mortality affects a wide range of animal species, including amphibians. Worldwide, many amphibian species, including the Asiatic toad Bufo gargarizans, are impacted by road mortality, but the ecological consequences remain poorly understood. This study aimed to evaluate how road mortality influences population traits by comparing body sizes and ...
Seung‐Min Park   +6 more
wiley   +1 more source

Análise dos modelos Gompertz, Verhulst e de Von Bertalanfly para o crescimento linear dos machos albinos da tilápia do Nilo

open access: yesREMAT
O objetivo deste trabalho é estimar o melhor modelo matemático que representa o crescimento linear de machos albinos da tilápia do Nilo. Os modelos escolhidos para este artigo são: de Gompertz, Verhulst e de Von Bertalanffy.
Willian Trindade   +1 more
doaj   +1 more source

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