The parameters in Richards' equation are usually calculated from experimentally measured values of the soil-water characteristic curve and saturated hydraulic conductivity. The complex pore structures that often occur in porous media complicate such parametrization due to hysteresis between wetting and drying and the effects of tortuosity. Rather than estimate the parameters in Richards' equati...

This study compared three non-linear growth models (Richards, Gompertz, and logistic) and the spline linear regression model using BW measurements from an unselected, randombred chicken population. Based on the goodness of fit criteria, the nonlinear models (NLM) fitted the data better than the spline regression model. The four-parameter Richards model was expected to have the best overall fit;...

Spines reach out ored dendritic spines look for new challenges, say David Richards, R. Anne McKinney (in work done at the University of Zurich, Switzerland), and colleagues. Spines are small dendritic protrusions on which excitatory synapses connect to axons. Recent evidence suggested that spines are mobile even in adults. Richards et al. now suggest that this mobility allows for post-developme...

Brody's growth curve, a three-parameter function, and Richards' function, a four-parameter function, were fit to data from 233 inbred and linecross cows to study the genetic and environmental aspects of the growth curve parameters and to compare the two functions. Fitting Brody's curve was faster and less costly to compute than Richards' function, but Richards' function had smaller sums of squa...

The Bertalanffy-Richards growth model is employed more than any other models for forest growth and yield modelling. However, its features have not completely been recognised. As a result, misunderstanding of the model still appears in some papers published in forest journals. A study by [1] is cited here as an evidence of the misunderstanding. This paper tries to explain different features of t...

Title: Facilitated interprofessional implementation of a physical rehabilitation guideline for stroke in inpatient settings: process evaluation of a cluster randomized trial Authors: Nancy Salbach ([email protected]) Sharon Wood-Dauphinee ([email protected]) Johanne Desrosiers ([email protected]) Janice Eng ([email protected]) Ian Graham ([email protected]) S...