Search
Skip to Search Results- 15Graduate and Postdoctoral Studies (GPS), Faculty of
- 15Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 1Computing Science, Department of
- 1Computing Science, Department of/Technical Reports (Computing Science)
-
2006-01-01
Chad M. Topaz, Andrea L. Bertozzi, Mark A. Lewis
We construct a continuum model for biological aggregations in which individuals experience long-range social attraction and short range dispersal. For the case of one spatial dimension, we study the steady states analytically and numerically. There exist strongly nonlinear states with compact...
-
Spring 2015
In many applications, it is desired to separate unwanted fine particulates from a liquid by gravity settling. An efficient separation, however, will be feasible only if a combination of aggregation and sedimentation occurs. To understand the kinetics of such a process, a mathematical model that...
-
Spring 2021
At different stages during the extraction of bitumen from the Athabasca oil sands, the removal of unwanted fine solids whether suspended in aqueous or non-aqueous liquids continues to present serious challenges to the oil sands industry. These fine solids are unique in that their colloidal...
-
Fall 2012
This thesis explored the properties of asphaltene nano-aggregates in crude oil and toluene based solutions and fouling at process furnace temperatures, and the links between these two phenomena. The link between stability of asphaltenes at ambient conditions and fouling at the conditions of a...
-
Spring 2015
Colloidal-collector interactions are of fundamental importance in separation and filtration technologies. Here, the effect of collector grains on the behavior of colloidal particles was studied in two different experimental systems, i.e., column studies with stationary collectors and batch mixing...
-
Hymenolepis diminuta (Cestoda) induces changes in expression of select genes of Tribolium confusum (Coleoptera)
Download2009
Belosevic, M., Shostak, A. W., Hitchen, S. J.
The flour beetle Tribolium confusum is a common experimental intermediate host for the tapeworm Hymenolepis diminuta, but while many aspects of their host-parasite interactions have been determined to have genetic basis, the genes involved have not been identified. In this paper, we report on the...
-
Identifying seasonal Lake Sturgeon (Acipenser fulvescens) movement patterns and habitat selection in the South Saskatchewan River Basin
DownloadFall 2016
Lake Sturgeon (Acipenser fulvescens Rafinesque 1817) have experienced population declines throughout their range. In Alberta, low density age-class distributions, irregular recruitment, critically low spawning potential ratios and other factors led to a 2007 designation of “Threatened” for this...
-
Mechanisms of Aggregation and Separation of Water and Solids from Bitumen Froth using Cluster Size Distribution
DownloadFall 2016
The large-scale corrosion and equipment damage caused by water and solids respectively in bitumen froth necessitate their removal using various methods. This study is aimed at understanding how water and solids aggregate (water-water, water-solid and solid-solid) in bitumen froth and what the...
-
Molecular Dynamics Investigation on the Aggregation of Polyaromatic Compounds in Water and Organic Solvents
DownloadFall 2015
Aggregation of polyaromatic (PA) compounds has drawn great interest due to their wide impacts in areas such as petroleum processing. Despite the extensive studies on PA compounds, fundamental knowledge of their aggregation behaviors is still missing at atomistic level. For instance, it’s still...
-
2009
Nikolaidis, Ioanis, Nascimento, Mario A., Malhotra, Baljeet
Technical report TR09-01. Finding the top-k values is an important type of aggregation query in wireless sensor networks. Previous proposals relied on a given underlying logical tree topology for data aggregation/forwarding, but did not pay due attention to the role of such topology. In this...