The positrons, produced by the decay of radioactive sodium, are cooled into a similarly sized cloud of around 1m particles and held in a neighbouring trap.
The application of starch sodium octenyl succinate to the emulsion flavor and beverage cloud is also introduced.
介绍了辛烯基琥珀酸淀粉钠在乳化香精和起云剂中的应用。
3
Released from a rocket, sodium vapours would form a cloud around it which could be easily observed and by which it would not be difficult to determine the rocket's co-ordinates.