GB/T 33023-2016 English PDF

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GB/T 33023-2016: Terminology relating to wood structure
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33023-2016	679	Add to Cart	5 days	Terminology relating to wood structure	Valid

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Basic data

Standard ID: GB/T 33023-2016 (GB/T33023-2016)
Description (Translated English): Terminology relating to wood structure
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B60
Classification of International Standard: 79.040
Word Count Estimation: 34,384
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Regulation (derived from): National Standard Notice No.1716 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 33023-2016: Terminology relating to wood structure

---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.
Terminology relating to wood structure ICS 79.040 B60 National Standards of People's Republic of China Wood construction terminology 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 Common terminology 1 4 coniferous wood structure 5

5 hardwood tree structure

6 cell wall and ultramicrostructure 17 Index 20

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the State Forestry Administration. This standard is under the jurisdiction of the National Committee for Standardization of Wood (SAC/TC41). The drafting unit of this standard. South China Agricultural University, Dongguan City, Guangdong Province Quality Supervision and Inspection Center, Guangdong Province, Fish Zhu Lin Group Co., Ltd., Guangdong Province Quality Supervision Wood and Wood Products Inspection Station. The main drafters of this standard. Sun Jin, Gao Zhenzhong, Jing Jun, Yao wall, Wang Xiaobo, Fan Qi. Wood construction terminology

1 Scope

This standard defines the general terms of wood structure, coniferous tree structure, broadleaf tree structure and cell wall and ultramicrostructure. This standard applies to wood identification, timber trade, teaching and research.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Terminology of wood properties LY/T 1788-2008

3 General terms

3.1 Wood Secondary trees derived from trees, mainly composed of cellulose, hemicellulose and lignin and other ingredients. [LY/T 1788-2008, Definitions 3.1.1] 3.2 Wood structure structure of wood The composition, morphology, characteristics, function and cell wall structure of wood cells and tissues can be divided into macroscopic structure, microstructure and ultramicroscope structure. [LY/T 1788-2008, definition 3.2.1] 3.3 Softwood Made of gymnosperms such as pine, cedar, cedar, larch and other production of wood. [LY/T 1788-2008, definition 3.1.7] 3.4 Hardwood Made of angiosperms such as poplar, ash tree, elm, eucalyptus and the like. [LY/T 1788-2008, defined 3.1.8] 3.5 Wood macrostructure woodmacrostructure The wood structure features observed with the naked eye or by magnifying glass. 3.6 Wood microstructure Morphological characteristics of the wood observed with a microscope. 3.7 Wood ultramicrostructure The characteristics of the wood structure observed by scanning electron microscopy. ......

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