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GB/T 33023-2016: Terminology relating to wood structure
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| GB/T 33023-2016 | English | 679 |
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Terminology relating to wood structure
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GB/T 33023-2016
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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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