pearl nucleus meaning in English

珍珠核

Selecting natural dolomite as raw materials , the authors made a new kind of pearl nuclei through mechanic grinding and surface treatment
摘要筛选天然白云岩为原料，采用机械磨削和表面处理等工艺，制成新型珠核。
Beside having similar properties to mollusc shell nuclei , the new pearl nuclei possess some advantages such as white color , strong luster , round shape and cheap cost
这种珠核物化性质与现有贝、蚌壳珠核相近，具有颜色白、光泽强、外形圆和价格低廉等特点。
The research and development of the new pearl nuclei can not only protect biological resources and ecological environment , but also help to meet the need of future pearl production
研制和开发新型白云岩珠核，既能保护生物资源和生态环境，又能满足今后珍珠产业发展的需求。