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On the Characterization and Reduction of Ill-Conditioning in Jointly Estimating Proton Density, T2* Decay and the Field Map
We employ principal angles as a tool to demonstrate that the complex frequency is the main cause for ill-conditioning of model-based MRI reconstruction. We show that kernels of EPI and spiral trajectories have different ...
Atterberg Limits describe the water contents at which clays change behavior. The water content indicating the division between the liquid and plastic state is the liquid limit. The Liquid Limit is determined using a brass ...
Unconfined Compression Test
The unconfined compression test. Collect approcimately 1200g of soil passing through the No. 4 Sieve. Add water and mix soil sample thoroughly. Weigh empty Harvard Miniature Mold and place layer of soil in mold. Compact ...
The pressure that a foundation unit can impose onto the supporting earth mass without causing overstressing (or shear failure) is the soil's bearing capacity. The three principal modes of soil failure established by the ...
Categorizing Sedimentary Rocks by Origin
Using examples, this video tells students what to look for in order to identify rocks.