Bacillus thuringiensis (Bt) is a spore forming (flash animation) bacterium that produces crystals protein (cry proteins), which are toxic to many species of insects.t is largely used in agriculture, especially organic farming. Bt is also used in urban aerial spraying programs, and in transgenic crops. To learn more about each of these topics, click on the corresponding link on the left.
Advantages and Limitations of Ratio Analysis. Financial ratio analysis is a useful tool for users of financial statement. It has following advantages: 1  It simplifies the financial statements.  It helps in comparing companies of different size with each other.
determine the specificity and sensitivity of the analytical method used [3]. time was a useful word for analytical methods (referring to the slope of the working curve); limit of detection (MD) or limit of quantitation (LOQ). The FDA is referring to LOD/LOQ: The LOD/LOQ of the analyhcal method should be at or (preferably) below the acceptance criterion in the analyzed sample. If the target limit in the analytical sample were 5.2 ppm, and a