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GB/T 21046-2024 English PDF

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Q: Should I purchase the latest version GB/T 21046-2024?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21046-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21046-2024: Neopyropia yezoensis
Status: Valid

GB/T 21046: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21046-2024	199	Add to Cart	3 days	Neopyropia yezoensis	Valid
GB 21046-2007	299	Add to Cart	3 days	[GB/T 21046-2007] Porphyra yezoensis	Valid

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Basic data

Standard ID: GB/T 21046-2024 (GB/T21046-2024)
Description (Translated English): Neopyropia yezoensis
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B51
Classification of International Standard: 65.150
Word Count Estimation: 10,116
Date of Issue: 2024-09-29
Date of Implementation: 2025-04-01
Older Standard (superseded by this standard): GB/T 21046-2007
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21046-2024: Neopyropia yezoensis

---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.
Neopyropia yezoensis Porphyra yezoensis ICS 65.150 CCS B 51 National Standard of the People's Republic of China Replace GB/T 21046-2007 Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 21046-2007 Porphyra yezoensis. Compared with GB/T 21046-2007, except for structural adjustments and editorial changes, In addition to the modifications, the main technical changes are as follows. The scientific name has been changed (see Chapter 1 and 4.1, Chapter 1 and 3.1 of the.2007 edition); a) The classification status has been changed (see 4.2, 3.2 of the.2007 edition); b) The morphological and structural characteristics of the fronds have been modified (see 5.1, 4.1 of the.2007 edition); c) Added life history (see 6.1); d) Meiosis has been deleted (see 6.2 of the.2007 edition); e) Biochemical genetic characteristics have been deleted (see Chapter 7 of the.2007 edition); f) Added molecular genetics features (see Chapter 8); g) The isoenzyme test was deleted (see 8.3 of the.2007 edition); h) Added molecular genetic testing (see 9.4); i) Added judgment rules (see Chapter 10). j) Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee on Aquatic Products Standardization (SAC/TC 156). This document was drafted by. Jiangsu Marine Fisheries Research Institute, Changshu Institute of Technology, and Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences. The main drafters of this document are. Yang Lien, Zhou Wei, Lu Qinqin, Hu Chuanming, Zhu Jianyi, Xu Guangping, Deng Yinyin, Tian Cuicui, Zhang Tao, Wang Wenjun and Qin Yali. The previous versions of this document and the documents it replaces are as follows. ─First published in.2007 as GB 21046-2007, and converted to a recommended standard GB/T 21046-2007 in.2017; ─This is the first revision. Porphyra yezoensis

1 Scope

The main morphological and structural characteristics, reproductive characteristics, cytogenetic characteristics and molecular genetic characteristics are described, and the corresponding detection methods are specified. The judgment rules. This document applies to the detection and identification of germplasm of Porphyra yezoensis.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Thallus The gametophyte generation is formed by the germination of conchospores and monospores. Note. Objects of cultivation and harvest. 3.2 Conchocelis The sporophyte generation is formed by the germination of fruit spores. Note. It is divided into free filaments and shell filaments, which are the objects of seedling cultivation in the process of germplasm preservation and cultivation respectively. 3.3 carpospore The thallus vegetative cells develop and transform into fruit cells, which, after fertilization, divide to form fruit spore sacs containing multiple cells and release spores. 3.4 conchospore The filamentous algae filaments grow and develop into sporangium branches. After maturity, each cell divides once (bisection) to form conchospores. Ascus, the released spores. 3.5 Archeospore The thallus vegetative cells transform into monosporangium, each of which produces individual spores that are released. Note. The single spore is haploid and germinates directly to grow into a thallus, which is the asexual reproductive spore of Porphyra yezoensis.

4 Name and classification

4.1 Scientific name ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21046-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21046-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21046-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21046-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 21046-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21046-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.