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Apparatus for measuring green-speed

A method and apparatus is employed in determining the green-speed of a golf putting green. The method is achieved by selecting a site on a putting green having a relatively flat surface and determining the extent of putting surface available for measurements, setting a green-speed reading apparatus including a ramp, which includes a raised start end and a ground contacting release end with at least one golf ball rolling track thereon, in a first direction whereby the release end of the ramp contacts the putting green surface at the selected site, selecting one of two predetermined start positions for a golf ball based upon the extent of putting surface available for measurements and retaining the golf ball at the selected start position in the track, the start position being at the raised start end of the track, releasing the golf ball from the start position, allowing the golf ball to roll down the track by gravity onto the putting green surface, measuring the distance the golf ball rolls across the putting green from the release end of the ramp, repeating the test with the apparatus facing in the opposite direction at the selected site and measuring the distance the golf ball rolls across the putting green from the release end of the ramp, and calculating the average distance of all the golf balls rolled to determine a value in terms of green-speed.
Owner:PELZ DAVID T

Mass spectrometer

Under the control of a DDA (data dependent acquisition) execution controller (281), LC/MSn analysis data are acquired with a measurement unit (1) and stored in a measurement data storage section (23). In the case where the MSn analysis is automatically performed, a precursor ion intensity, TIC value and BPC value are also stored and related to the measurement data. In an analysis of the data, a spectrum display condition setter (25) displays, on a display unit (4), a setting window for allowing an analysis operator to enter a precursor ion intensity threshold as well as a product ion intensity threshold which is either the TIC or BPC value, and stores the entered values as a judgment condition in a spectrum display condition storage section (26). When an appropriate retention time is specified on a chromatogram displayed on the screen of the display unit (4), and if MSn spectrum data has already been acquired at that retention time, a spectrum judgment section (27) determines whether or not the precursor ion intensity and other relevant data related to the MSn spectrum data satisfy the judgment condition and selectively displays, on the screen of the display unit (4), only MSn spectra that satisfy the judgment condition. By this operation, useless MSn spectra with low ion intensities are excluded from the display.
Owner:SHIMADZU CORP
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