The standard preparation of BH4 were bought from Sigma company in America, and the one-step kits of RT-PCR were bought from invitrogen company.
BH4标准品购自美国Sigma公司。 一步法RT-PCR试剂盒购自invitrogen公司。
参考来源 - 膳食钙对一氧化氮缺乏型高血压大鼠血压的影响及其机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Service providing consistent with passenger riding activities is an important technical method in standard preparation, as riding is a kind of activity with time sequence.
乘客乘车是一个按时间顺序的活动过程，沿乘客乘车时间次序展开服务次序，是标准编制的重要技术方法。
Chromatograph the Standard preparation, and record the peak responses as directed for Procedure: the relative retention times are about 0.5 for captopril and 1.0 for captopril disulfide;
将标准溶液注入色谱仪，并记录色谱图：卡托普利的相对保留时间是0.5，卡托普利二硫化物相对保留时间为1.0；
Message preparation: Prepares an XML message from data exported by a standard accounting package and vice-versa.
消息准备：根据标准计费程序包导出的数据准备XML消息。反之亦然。
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