| 1. | Transit time method 渡越时间法 |
| 2. | Measurement of gas flow in conduits . tracer methods . part 4 : transit time method using radioactive tracers 密封管道中气体流量的测定.示踪法.第4部分:放射性示踪物的过渡时间法 |
| 3. | Measurement of water flow in closed conduits . tracer methods . part vii : transit time method using radioactive tracers 密封管道中水流量的测量.示踪法.第7部分:放射性示踪器的跃迁时间法 |
| 4. | Measurement of water flow in closed conduits . tracer methods - par vi : transit time method using non - radioactive tracers 密封管道中水流量的测定.示踪法.第6部分:非放射性示踪物的转移时间法 |
| 5. | Methods for measurement of fluid flow in closed conduits , using tracers - measurement of water flow - transit time method using radioactive tracers 密封管道中流体流量的示踪剂测量法.第1部分:水流量测量.第5节:放射性示踪剂渡越时间法 |
| 6. | Methods for measurement of fluid flow in closed conduits , using tracers - measurement of gas flow - transit time method using radioactive tracers 使用示踪剂的密封管道中流体流量的测量方法.气体流量的测量.采用放射性示踪剂的过渡时间法 |
| 7. | Methods for measurement of fluid flow in closed conduits , using tracers - measurement of water flow - transit time method using non - radioactive tracers 密封管道中流体流量的示踪剂测量法.第1部分:水流量测量.第4节:非放射性示踪剂渡越时间法 |