Due to the fine-tuning of the questionnaire the administration time was reduced to an average of 20-30 mincludingcluding an additional section on personal back-ground variables referring to e.g. demographic and socio-economic factors that was also included in the test phases.
Comparisons on several clinical and back-ground variables demonstrated that the patients had on average eight years of regular dependence on heroin and poly-drug use of the same severity as opiate dependent patients in other maintenance programs [ 12, 21, 65- 67].
The objective of design is to achieve a variable ground clearance, variable wheel track and self-leveling chassis adapted to the various types of crop grown ridge section and height.
Habitat effects on butterfly densities were investigated using GLMs assuming a Poisson distribution for the counts an using the two ground cover variables and their interactions as explanatory variables.
The stepwise selection procedure showed that none of the two ground cover variables was significantly related to P. brassicae densities (df = 1, open urban areas, LR Chisq = 0.20, p = 0.65; artificial urban areas, LR Chisq = 0.36, p = 0.55, Fig. 2).
The results show that the uncertainties of ground-motion variables are more significant than those in the structural properties.
Our microhabitat selection model considered topography, ground-cover variables and sward height within a 5-m radius at foraging and control locations.
The above indices along with raw reflectance and reflectance derivatives were examined for linear relationship with the ground-measured variables and the strongest relationships were determined.
Note that we use horizontal-component geometric mean at the surface as observed ground-motion variables (i.e., FAS and 5%-damped PSA), whereas the simulated ones are the averages of ten trials.
These "systems" models may then be utilized in certain analytical methods proposed by the authors, which are not described herein but have been reported in full elsewhere [1, 2] to calculate the non-stationary response of vehicles moving on rough ground with variable velocity.
