Methods: according to the comparison and testobservation on the different methods for examination of rs in cefradine and its preparation collected in the pharmacopoeias in use.
方法：对现行版药典中的头孢拉定及其制剂的有关物质检查方法进行比较和实验观察。
2
In 2004, Rogers used this observation to test the advantages of brain bias in chicks faced with the challenge of multitasking.
在2004年，Rogers 利用这一观察结果，测试了小鸡在面临多重任务挑战时的大脑倾向优势。
3
Scientists simulated the ignition of the rocket and the in-flight moves of the capsule to test how the observation, control and communication systems at the Jiuquan Satellite Launch Center work.