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The fundamental topic in this document is the development of cracks in steel. For structures subjected to cyclic loads, such cracks can develop over time and ultimately reach the size at which some dramatic failure occur. While this problem is rare in structures made of “mild steel,” the use of “high tensile” steel changes that situation. It is straightforward to double the strength of mild ste...
The concentrations of cefepime in pancreatic pseudocyst fluid (n = 4), pancreatic tissue (n = 4) and pancreatic fistula fluid (n = 1), and simultaneous plasma concentrations, were measured after intravenous administration of a single 2 g dose to nine patients. Mean plasma concentration was 27.4 mg/L between 120 and 200 min after the end of infusion. Mean pancreatic cefepime concentration was 6....
Plasma thyroid hormone concentrations may be abnormal in non-thyroid disease and pose diagnostic problems. For example, concentrations of triiodothyronine (T3) in the blood decline in acute illness with a reciprocal increase in reverse triiodothyronine (reverse T3), but thyroxine (T4) concentrations are usually normal or only slightly decreased (1, 2). However, McLarty et al. (3) reported that ...
Urinary selenium concentrations are used as an indicator of selenium status. A strong correlation has been established between dietary selenium and daily urinary selenium excretion in a wide range of populations from all over the world with different dietary selenium intake. Data on urinary selenium concentrations in healthy individuals and patients with different pathological conditions are re...
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