A light emitting device capable of performing signal electric current write-in operations at high speed and without dispersion in the characteristics of TFTs structuring pixels influencing the brightness of light emitting elements is provided. The chip card comprises a microprocessor and memories which contain programs and data for interpreting the URL’s coming from a network terminal, translating them into elementary commands of the chip card and formatting a response to the terminal. The racks and the table may be position in axial alignment and may include low friction members to permit axial sliding motion along the racks and the table. The operations system may provide control to wells and other subsea equipment at either the first well-site or the second well-site, regardless of the location of the floating vessel. The DOMs can be used to identify significant web session events and force replay sessions into the correct states. There is provided a method of detecting a PHA synthesizing microorganism having the intended PHA synthetase gene by using the nucleic acid fragment comprising at least partial sequence thereof, based on a base sequence shown in SEQ ID NO: 1 to 9 or complementary base sequence thereof, as a probe or primer for detecting a PHA synthetase gene.