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  2. 2,5-Dichlorophenol - Wikipedia

    en.wikipedia.org/wiki/2,5-dichlorophenol

    2,5-Dichlorophenol Names ... 2,5-Dichlorophenol (2,5-DCP) is a chlorinated derivative of phenol with the molecular formula Cl 2 C 6 H 3 OH.

  3. Spirometry - Wikipedia

    en.wikipedia.org/wiki/Spirometry

    The tracer gas is analyzed simultaneously with CO to determine the distribution of the test gas mixture. This test will pick up diffusion impairments, for instance in pulmonary fibrosis. [ 22 ] This must be corrected for anemia (a low hemoglobin concentration will reduce DLCO) and pulmonary hemorrhage (excess RBC's in the interstitium or ...

  4. Nitrogen washout - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_washout

    The following describes a single-breath nitrogen test: A subject takes a breath of 100% oxygen and exhales through a one-way valve measuring nitrogen content and volume. A plot of the nitrogen concentration (as a % of total gas) vs. expired volume is obtained by increasing the nitrogen concentration from zero to the percentage of nitrogen in ...

  5. Dichlorophenol - Wikipedia

    en.wikipedia.org/wiki/Dichlorophenol

    Chemical structure of 2,4-dichlorophenol. Dichlorophenols (DCPs) are any of several chemical compounds which are derivatives of phenol containing two chlorine atoms. There are six isomers:

  6. Pulmonary function testing - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_function_testing

    The interpretation of tests depends on comparing the patients values to published normals from previous studies. Deviation from guidelines can result in false-positive or false negative test results, even though only a small minority of pulmonary function laboratories followed published guidelines for spirometry, lung volumes and diffusing ...

  7. Compressibility factor - Wikipedia

    en.wikipedia.org/wiki/Compressibility_factor

    For a gas that is a mixture of two or more pure gases (air or natural gas, for example), the gas composition must be known before compressibility can be calculated. Alternatively, the compressibility factor for specific gases can be read from generalized compressibility charts [ 1 ] that plot Z {\displaystyle Z} as a function of pressure at ...

  8. Rideal–Walker coefficient - Wikipedia

    en.wikipedia.org/wiki/Rideal–Walker_coefficient

    It is the ratio of the dilution of the disinfectant that kills a microorganism to the dilution of phenol that kills the organism in the same time under identical conditions. The Rideal–Walker coefficient determines the phenol coefficient utilizing the method (test) described by English chemists Samuel Rideal (1863–1929) and J. T. Ainslie ...

  9. Alveolar–arterial gradient - Wikipedia

    en.wikipedia.org/wiki/Alveolar–arterial_gradient

    arterial blood gas: hco 3 − = 24 p a co 2 = 40 p a o 2 = 95 ph = 7.40 alveolar gas: p a co 2 = 36 p a o 2 = 105 a-a g = 10 other: ca = 9.5 mg 2+ = 2.0 po 4 = 1 ck = 55 be = −0.36 ag = 16 serum osmolarity/renal: pmo = 300 pco = 295 pog = 5 bun:cr = 20 urinalysis: una + = 80 ucl − = 100 uag = 5 fena = 0.95 uk + = 25 usg = 1.01 ucr = 60 uo ...