| 1. | The problems and countermeasure in the pearl industry of seawater in china 我国海水养殖珍珠业存在的问题及对策 |
| 2. | In the end of 20th century , china has become a major country of pearl cultivation 到20世纪末中国已成为世界养殖珍珠大国。 |
| 3. | Cultured pearl grading 养殖珍珠分级 |
| 4. | There is an abundant pearl resources in china , and china has a long history of pearl cultivation 摘要中国的养殖珍珠资源及市场张辉,养殖珍珠历史悠久。 |
| 5. | Cultured and natural pearls can be distinguished from imitation ones by a very simple test 可用非常简单的测试,即可分辨天然珍珠和人工养殖珍珠与仿冒珍珠的不同。 |
| 6. | When you walk from ngor kai teng to cheung pai tun , you will see lo fu wat , site of an old pearl culture farm 观音峒是观赏印洲塘的最佳地点。由鹅髻顶往长牌敦时,可俯视昔日养殖珍珠的老虎笏海湾。 |
| 7. | Cultured and natural pearls will feel slightly rough , like fine sandpaper , because of the texture of natural nacre 。天然珍珠和人工养殖珍珠会有些许粗躁的感觉,如同细砂纸般,那是真珠质的天然触感。 |
| 8. | Powder x - ray diffraction analysis and micro - raman spectra were used to study the mineral composition of chinese freshwater cultured pearls from zhuji , zhejiang province 摘要采用粉末x射线衍射分析及显微激光拉曼光谱对三角帆蚌养殖珍珠的矿物组成进行了研究。 |
| 9. | In conclusion , the freshwater cultured pearls produced by mussel hyriopsis cumingii contain no calcites , and this is obviously different from characteristics of saltwater cultured pearls 三角,帆蚌淡水养殖珍珠中不存在方解石,这与海水养殖珍珠中存在方解石明显不同。 |