Refer to Design Step 1 for introductory information about this design example. Additional information is presented about the design assumptions, methodology, and criteria for the entire bridge, including the steel girder. Figure 3-1 Span Configuration. Figure 3-2 Superstructure Cross Section.
HYPOFLUORESCENCE Hypofluorescence may be caused by 1) blocked fluorescence, which is synonymous with negative fluorescence or transmission decrease, or 2) a vascular filling defect. Blocked fluorescence corresponds to the size, shape, and location of the blocking material seen ophthalmoscopically.
Hypochromia is characterized by an increase in central pallor. It is said to be present when greater than 1/2 of the cell diameter has central pallor. Hypochromia is caused by a deficiency in the production of hemoglobin, which is usually the result of iron deficiency caused by chronic hemorrhage. Poikilocytes are frequent in iron-lack anemia and are thought to result from oxidation of the erythrocyte membrane resulting in fragmentation.