GB/T 37063-2018 English PDF

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GB/T 37063-2018: Freshwater cultured pearl mussels and classification of pearls
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Basic data

Standard ID: GB/T 37063-2018 (GB/T37063-2018)
Description (Translated English): Freshwater cultured pearl mussels and classification of pearls
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B52
Classification of International Standard: 67.120.30
Word Count Estimation: 6,615
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37063-2018: Freshwater cultured pearl mussels and classification of pearls

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Freshwater cultured pearl mussels and classification of pearls ICS 67.120.30 B52 National Standards of People's Republic of China Freshwater breeding beads and their pearl classification Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The organization does not assume responsibility for identifying these patents. This standard was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic This standard is under the jurisdiction of the National Aquatic Standardization Technical Committee Pearl Subcommittee (SAC/TC156/SC9). This standard was drafted. Guangdong Shaohe Pearl Co., Ltd., Guangdong Ocean University, Shanghai Ocean University, Jinhua Vocational and Technical College, Guangxi Zhuang Autonomous Region Product Quality Inspection Institute, Zhejiang Freshwater Pearl Quality Inspection Center, Zhejiang Qingzhiyuan Jewelry Co., Ltd., Hai Nanjing Run Pearl Co., Ltd., Zhejiang Yushi Pearl Co., Ltd., Guangdong Ronghui Pearl Culture Co., Ltd., Zhejiang Angel Tears Pearl Co., Ltd. Company, Zhuji City Shanxia Lake Freshwater Pearl Research Institute, Hunan Yisili Pearl Co., Ltd., Wuyi County Freshwater Pearl Culture Association. The main drafters of this standard. Xie Shaohe, Lin Weicai, Wang Qingui, Lin Zhanxin, Liang Feilong, Deng Yuewen, Bai Zhiyi, Liu Xiaojun, Zhang Genfang, Su Jun, Li Wei, Mo Jialin, Lu Dongnong, Guo Yingwei, Xu Wei, Qian Jianyi, Wang Hai, Guo Zhiguang, Yin Haiyang, Qiu Dingding, Xu Qinghui, Xu Yuyu. Freshwater breeding beads and their pearl classification

1 Scope

This standard specifies the terms and definitions of freshwater cultured pearl varieties and their pearl classification, freshwater cultured pearl cultivars, freshwater pearls and freshwater treasures. The naming rules for beads. This standard applies to the classification and naming of freshwater pearl breeding varieties and freshwater pearls.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 16552 Jewelry and Jade Name GB/T 16553 Jewelry and Jade Identification GB/T 18781 pearl grading

3 Terms and definitions

The following terms and definitions as defined in GB/T 16552, GB/T 16553, GB/T 18781 apply to this document. 3.1 Yuzhu 蚌hostfreshwatermussel Female mites used for planting and nucleating beads. Note. It mainly includes the spinnaker, the pool butterfly, the pleated crown and the recreation. 3.2 Small piece 蚌donorfreshwatermussel It is used to grow the mother's cell of tissue cells. 3.3 Cell small piece mantletissue The tissue cell sheets suitable for beading surgery are cut from the lateral epithelial tissue of the mantle. 3.4 Pearl nucleus pearlnucleus It is used to mix the small pieces of cells into the bead buds and cultivate the core objects of the pearls. Note. Includes bead core and core. 3.5 Nucleus Used to cultivate the core of free pearls. 3.6 Mold core moldnucleus Used to cultivate the core of the shelled pearl. ......

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