1. Air track Gravimetry Gravity of Earth Newton's law of universal gravitation Standard gravity Gerald James Holton and Stephen G. Brush (2001).

2. The analytical methods used display an established preference for the traditional methods of chromatography, spectrophotometry, potentiomentry, flame photometry, conductivity measurement, gravimetry, titration analysis, atomic absorption, turbidimetry and radiometry.

3. 18 The hepatopancreas index(HI), lipid content(LC) and fatty acid composition in Eriocheir sinensis before and after the precocity, were compared by gravimetry and gas chromatography.

4. The analytical methods used display an established preference for the traditional methods of chromatography, spectrophotometry, potentiomentry, flame photometry, conductivity measurement, gravimetry, titration analysis, atomic absorption, turbidimetry and radiometry