| 1. | In commemoration of prof . ma dayou ' s 90th birthday
祝贺马大猷先生九十华诞 |
| 2. | Ceramic ball and precision ceramic bearing - dalian dayou
陶瓷球陶瓷轴承-大连大友dayou |
| 3. | Practice and thought of resettlement in dayou water pivot project
大坳水利枢纽工程移民工作的实践与体会 |
| 4. | The brand “ dayou ” has lasted for a century , first set in guangxu period , qing dynasty , winning a good many awards in national or provincial competition and comparison
“大有”商标字号创于清光绪年间，至今已有百年历史。该产品多次在国家及省级评比中获奖。 |
| 5. | Dalian dayou has the top technique to produce the ceramic ball in china , and the manufacture of precesion ceramic balls was qualified iso 9001 : 2000 by bsi british standard institution at 2005
另外，还生产氧化锆zro2和99瓷氧化铝al2o3陶瓷球，规格范围为0 . 580mm ，精度可达g5级。 |
| 6. | Over a three - year testing period it was found that dayou precision bearings perform substantially better than imported precision steel bearings of the same size , service life and limiting speeds
大友公司的精密陶瓷轴承已进行了三年工业化试验，其极限转速和寿命均超过同规格进口钢制轴承。 |
| 7. | Dayou follows the development trend in international precision ceramic bearings manufacture and is currently aiming to establish a high - tech enterprise of international scope for the manufacturing of chinese top - quality precision ceramic bearings
大友公司“精密陶瓷球的制造”项目于2005年通过了由英国标准协会bsi颁发的iso9001 ： 2000质量体系认证。 |
| 8. | Un , zhou peiyuan , wu dayou and wang zhuxi , who were the greats in physics , were set in the physics school building of peking university in order to remember their great contribution to the development of physics in peking university
2003年5月，物理学院在北大物理楼为饶毓泰、叶企孙、周培源、吴大猷、王竹溪五位物理学界大师树立铜像，以纪念他们为北京大学物理学科的成长发展做出的卓越贡献。 |
| 9. | Un , zhou peiyuan , wu dayou and wang zhuxi , who were the greats in physics , were set in the physics school building of peking university in order to remember their great contribution to the development of physics in peking university
2003年5月，物理学院在北大物理楼为饶毓泰、叶企孙、周培源、吴大猷、王竹溪五位物理学界大师树立铜像，以纪念他们为北京大学物理学科的成长发展做出的卓越贡献。 |
| 10. | Dalian dayou precision ceramic bearing co . ltd . is a sister company of dalian dayou advanced ceramic co . , ltd . and was established in may 2005 . the companys main products are precision ceramic bearings with specifications from 7000c to 7006c and a maximum standard of p4
大连大友精密陶瓷轴承有限公司成立于2005年，主要生产电主轴用角接触精密陶瓷轴承，规格范围目前为7000c hq1p4至7006c hq1p4 ，转速可达每分钟6万转。 |
