ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:54.51KB ,
资源ID:523610      下载积分:5000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-523610.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM D6798-2002(2013)e1 2222 Standard Terminology Relating to Flax and Linen《有关亚麻和亚麻布的标准术语》.pdf)为本站会员(ownview251)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM D6798-2002(2013)e1 2222 Standard Terminology Relating to Flax and Linen《有关亚麻和亚麻布的标准术语》.pdf

1、Designation: D6798 02 (Reapproved 2013)1Standard Terminology Relating toFlax and Linen1This standard is issued under the fixed designation D6798; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number i

2、n parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTEThe term “average fiber width” was added editorially in September 2014.1. Scope1.1 This terminology covers definitions of technical termsrelated to fl

3、ax and linen.2. Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD7879 Test Method for Determining Flax Fiber WidthsUsing Image Analysis3. Terminology3.1 Definitions:average fiber width (m), nthe arithmetic mean width of aselected group of fibers in a two-dimensional imag

4、e plane.DISCUSSIONThe selected group of fibers is dependent upon thecapturing device and software parameters as set by the opeator. D7879bast fibers, n in flax stems, fibers found in the layer ofphloem of the flax stem between the inner xylem tissue andthe epidermis tissue.breaking, vin flax stems,

5、the crushing of the structure of thestem; loosening the bond between the fiber bundles andshives and breaking the shives into short pieces to facilitateits bing, vin flax, the processing of tow so as to producetops or silver which have the staple length and width suitablefor use in the worsted spinn

6、ing system.cottonizing, v in flax, the processing of flax fiber so as tomake it suitable for use in the cotton spinning system.decorticating, v in flax, the process of mechanically sepa-rating fiber bundles from straw.de-seeding, vin flax, the process of removing seeds andseed-holding structures fro

7、m plants.fiber bundle, n in flax, group of ultimate fibers which areheld together in the flax stem by pectins, lignins or anycombination thereof.flax, nthe generic name for plants that are botanicallyclassified as Linum usitatissimum, which are cultivated forseed and/or fiber.hackling, vin flax, the

8、 process of cleaning and aligninglong-line fibers to improve fineness and remove non-fibrousmaterials and short fibers.linen, na yarn or fabric made solely from flax fibers.linen blend, na yarn or fabric made from a combination offlax and other fibers.long line, nin flax, flax fiber bundles that hav

9、e a minimumlength of 50 cm.over-retting, v in flax, indicates that decomposition hascaused excessive deterioration of bast fibers. (See retting andunderretting)retting, vin flax, the process of partial biological or chemicaldecomposition of pectins and other components which bindthe fiber, fiber bun

10、dles, and the non-fiber structures, therebyfacilitating removal of bast fibers from stems. (See under-retting and over-retting)scutching, vthe mechanical beating and scraping of flaxstraw subsequent to breaking to separate the shives and towfrom the long line flax fiber.shives, nthe woody parts of t

11、he flax plant which are notfibers.straw, nin flax, refers to dried stems and plant parts such asroots, leaves, and seed holding structures.tow, nin flax fibers, a combination of fiber bundles andultimate fibers that have a maximum length of 50 cm.DISCUSSIONTow can be made during any stage of process

12、ing. Forexample, breaker, scutched and hackled tow are respectively createdsubsequent to breaking, scutching and hackling.1This terminology is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.17 on Flax and Linen.Current edition approved Jul

13、y 1, 2013. Published September 2013. Originallyapproved in 2002. Last previous edition approved in 2007 as D6798 02(2007).DOI: 10.1520/D6798-02R13E01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStand

14、ards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1trash, nin flax fiber, any non-fibrous material.ultimate fiber, n in flax, an individual bast fib

15、er.under-retting, v in flax, indicates that decomposition isinsufficient to allow fiber bundles to be easily removed fromthe non-fibrous parts of the stem. (See retting and over-retting)3.2 Other DefinitionsFor the definitions of other textileterms used in this standard, refer to Terminology D123.4.

16、 Keywords4.1 definitions; flax; linen; terminologyASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent right

17、s, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for r

18、evision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing y

19、ou shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may b

20、e obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 02 (2013)12

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1