Comparison measurements of a russian standard aerosol impactor with several western standard aerosol instruments

A comparison photometer to measure light

A comparison photometer to measure light scattering of aerosols and gases, using the latter as light-scattering standards

✍ Frank T. Gucker Jr.; Axel H. Peterson 📂 Article 📅 1955 🏛 Elsevier Science ⚖ 662 KB

Universal Standardization of Bone Densit

Universal Standardization of Bone Density Measurements: A Method with Optimal Properties for Calibration Among Several Instruments

✍ Siu L. Hui; Sujuan Gao; Xiao-Hua Zhou; C. Conrad Johnston Jr.; Ying Lu; Claus C. 📂 Article 📅 1997 🏛 American Society for Bone and Mineral Research 🌐 English ⚖ 474 KB

Comparison of a Point-of-Care Method To

Comparison of a Point-of-Care Method To Measure BNP Levels with a Standard Lab-Based Instrument in Patients with Congestive Heart Failure

✍ Kevin Jiang; Kevin S. Shah; Garrett J. Terracciano; Sneha Bhamre; Emanuela Pento 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 132 KB

Results of the Comparisons of the Standa

Results of the Comparisons of the Standards of Length of England, Austria, Spain, United States, Cape of Good Hope, and of a Second Russian Standard, Made at the Ordnance Survey Office, Southampton. With a Preface and Notes on the Greek and Egyptian Measures of Length.

✍ Clarke, A. R.; James, H. 📂 Article 📅 1873 🏛 The Royal Society ⚖ 127 KB

Results of the Comparisons of the Standa

Results of the Comparisons of the Standards of Length of England, Austria, Spain, United States, Cape of Good Hope, and of a Second Russian Standard, Made at the Ordnance Survey Office, Southampton. With a Preface and Notes on the Greek and Egyptian Measures of Length. [Abstract]

✍ A. R. Clarke and Henry James 📂 Article 📅 1872-1873 🏛 The Royal Society ⚖ 179 KB