PetroChina Company Limited (SH: 601857,HK: 0857; NYSE: PTR) recorded 2009 netprofit of RMB103.39 billion according toIn......

The Chinese pinyin(phonetic alphabet)as formulated and widely used is very important inChinese cultural life.The phonet......

A study was carried out to determine arsenic species in seafood samples collected from Chinese sea. The information abou......

本文结合文献综述和现场调查分析了加拿大一系列强化基层卫生服务的改革实践及其对我国的启示。研究发现,加拿大基层卫生发展取得......

目的评价手工作业对作业疗法学教学效果的影响.方法将83名学生随机分为常规教学组41人和手工作业教学组42人,分别采用常规教学法和......

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