对梅山烧结矿粉碎率高的原因进行了剖析，研究中采用了贮存和落下试验、显微分析、X -射线分析、差热分析等。
The reasons of high disintegration index of Meishan iron ore sinters are studied by storage and shatter test, as well as microprobe, X-ray and differential thermal analysis.
在刚刚落下帷幕的欧洲心脏病学会(esc) 2009年会上，30多项重要临床试验首次披露结果。
Results of more than 30 clinical trials are released in ESC 2009 that was just concluded.
阐述了D17A型落下孔车的研制过程、技术参数、结构、性能特点，介绍了该车的试验和运用情况。
The development process, technical parameters, structure and performance features of D17A well car are expounded.
阐述了D17A型落下孔车的研制过程、技术参数、结构、性能特点，介绍了该车的试验和运用情况。
The development process, technical parameters, structure and performance features of D17A well car are expounded.
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