济南

Department of Gerontology, Qilu Hospital of Shangdong University,Jinan 250012, China

山东大学齐鲁医院老年病科，济南 250012

Department of obstetrics and gynecology, second hospital of shandong university, jinan 250033, china

作者单位：山东大学第二医院妇产科，济南 250033

With history of more than 30years ,jinan ganghua business of saw co.,ltd is one of the biggest and full series of hacksaw blade manufacturers in china .our SAWKING hacksaw blade sell well all over the world .produces 3000tons a year .

济南钢花锯业有限公司是中国，亚洲乃至世界最大，品种最全的手用钢锯条生产商之一，已有30多年的历史。年生产能力3000吨(16万箱)，产品远销世界20多个国家和地区。

Development of advanced ceramic tool materials with the addition of TiB2 and study on its friction and wear be havior and applications.

1995： 55 - 65邓建新。添加TiB2的新型陶瓷刀具材料的开发及其摩擦磨损行为和应用研究。济南：山东工业大学，

County economy is the basis of national economy, which is a incisiveness to deepen innovation,to carry out urban and rural harmonious development and to construct the mechanism on urban and rural harmonious development.

山东行政学院，山东济南 250014）县域经济是我国国民经济的重要基础，是我国深化改革，实施城乡统筹，构建城乡统筹机制的最佳切入点。

higher order singular point ; finite singular point ; infinite singular point ; critical conditon

华东师范大学数学系；山东师范大学数学系上海 200062；山东济南 250014

School of Information Science and Engineering,Shandong University,Jinan 250100,China

山东大学信息科学与工程学院，山东济南250100

School of Information Science and Engineering, Shandong University, Jinan 250100

山东大学信息科学与工程学院，济南 250100

College of Information Science and Engineering,Shandong University,Jinan 250100,China

山东大学信息科学与工程学院，济南 250100

The Intermediate Court of Jinan City, Jinan 250001

济南市中级人民法院，山东济南 250001；3。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。