In January 1980, a national external quality-control survey was organized to evaluate assays for triiodothyronine (T3) and thyroxin (T4). Currently, about 150 laboratories are involved. Each participant has received and assayed 100 quality-control samples during four periods of about six months each. The average analytical performance achieved by the participants in each six-month period was es...

1. Survey 1.1. Characteristics to be analyzed 1.2. Concentration Units 1.3. Presentation of Analytical Results 1.4. Quality of Analyses 1.5. Analytical Procedures 2. Flue Gas Sampling 2.1. Sampling Effluents 2.2. Organic Micropollutants Sampling 2.3. Gas Sampling Train 2.4. Sampling of Inorganic Compounds 3. Gas Analyzers 3.1. Survey 3.2. Gas Chromatographic Separation 3.3. Gas Chromatographic ...

the performance valuation of the economic enterprise inorder to confidence of limited resources’ optimum allocation is important affaire and as long as it isn’t use of appropriate indicator for performance measurement and stock value of the firm its value not toward reale value and capital doesn’t allocate truly. this subject is more sensitivity in inflation condition. the goal of this research...