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.
由放射性钠衰变产生正电子，冷却后形成一个由大约100万个正电子组成的体积同样大小的粒子云团，这团正电子被存放在相邻的一个容器中。
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。
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.
从一枚火箭发表，钠水汽会在附近形成云它可以被容易地观察和它不是困难决定火箭的共纵线的被。
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