Test method about transient characteristics of Relay protection calibration apparatus

Calibration—the Usp Dissolution Apparatus Suitability Test

This report summarizes some trends observed in drug dissolution testing, based upon the United States Pharmacopeia (USP) dissolution Apparatus Suitability Test results and the preliminary data obtained from an international collaborative study to assess the pharmaceutical quality of furosemide products in different countries. Based on the USP calibrator data submitted by the participants, repre...

Coulometric Calibration of Microvolumetric Apparatus*

Coulometric tit.ratio~ provides a si~ple and accurate means to ca librate microvolumet ri c appara tus such as burets, mICroplpets, and syrInges. The apparatus to be calibrated is caused to deliver a solution of know? concentration into an electrolysis cell where it is analyzed coulometri cally. By the method descnbed, volumes ranging from 300 ILl to I ILl have been calibrated with relative sta...

Calibration of laboratory aeration apparatus.

Aeration of some sort is frequently provided during laboratory cultivation of bacteria. Since metabolic responses and the nature of fermentation products may depend upon the amount of available oxygen (Pirt, 1957), it is important to have some adequate measure of this variable. Finn (1954) has pointed out that gassing rates alone are without significance; it is necessary to determine the rate a...

Modified Lsm for Calibration of Measuring Apparatus

Modified least squares method (LSM) is developed that take into account errors in input standard signals for calibration of measuring devices. Calibration of the differential pressure gage by the standard control-point setting mechanisms is demonstrated in the paper as an example. The accuracy of the coefficient estimates changes when the errors of the control-point setting mechanisms are taken...

Loss-of-Field Protection Relay Coordination for Synchronous Generator and Motor Unit Based on Transient Stability