ISO 2301-1973 Sawn timber of broadleaved species Defects Measurement Trilingual edition《阔叶树锯材 缺陷 测量 三种语言版》.pdf
《ISO 2301-1973 Sawn timber of broadleaved species Defects Measurement Trilingual edition《阔叶树锯材 缺陷 测量 三种语言版》.pdf》由会员分享,可在线阅读,更多相关《ISO 2301-1973 Sawn timber of broadleaved species Defects Measurement Trilingual edition《阔叶树锯材 缺陷 测量 三种语言版》.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、- 4 a!gpi, 2301 R ai!G apesecma mepnax, nopOKE, pa3MepbI. x3 0 OU “Ls Price based on 10 pages Prix base sur 10 pages / LJeHa paccvmaHa Ha 10 CTp. FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 Member Bodies). The work
2、 of developing International Standards is carried out through IS0 Technical Committees. Every Member Body inter- ested in a subject for which a Technical Committee has been set up has the right to be repre- sented on that Committee. International organizations, governmental and non-governmental, n l
3、iaison with ISO, also take part in the work. Draft International Standards adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 2301 was drawn up by Technical Committee I
4、SO/TC 55, Sawn timber and sawlogs, and circulated to the Member Bodies in June 1971. It has been approved by the Member Bodies of the following countries: Australia Belgium Canada Czechoslovakia Egypt, Arab Rep. of Finland France Germany Iran Ireland Italy Netherlands New Zealand Norway Poland Portu
5、gal Romania Spain Sweden Thailand Turkey United Kingdom U.S.S.R. Yugoslavia The Member Bodies of the following countries expressed disapproval of the document on technical grounds : Austria India South Africa, Rep. of AVANT-PROPOS IS0 (Organisation Internationale de Normalisation) est une federation
6、 mondiale dorga- nismes nationaux de normalisation (Comites Membres ISO). Lelaboration de Normes Internationales est confide aux Comites Techniques ISO. Chaque Comite Membre interesse par une etude a le droit de faire partie du Comite Technique correspondant. Les organisa- tions internationales, gou
7、vernementales et non gouvernementales, en liaison avec lIS0, participent egalement aux travaux. Les Projets de Normes Internationales adoptzaccu b) by the minimum diameter of the knot cross-section. 2.1.1.1 Round knots and 2.1.1.2 Oval knots are measured according to method a) - by the distance betw
8、een the tangents to the perimeter of the knot, drawn parallel to the arrises of the piece (Fig. 1; sizes a, and a sizes b, and b,). 2 MESURAGE 2.1 Nawds Les dimensions des noeuds sexpriment soit en valeur absolue (millimetres), soit en valeur relative (en fractions de la dimension des cot b) dapres
9、le diametre minimal de la section du noeud. 2.1.1.1 Nmds rends et 2. l .I.2 Nwds ovales se mesurent selon la methode a) - dapres la distance entre les tangentes au contour du noeud, paralleles aux a dimen- sions a, et a&; selon la methode b) - dapres le plus petit diametre de la section du neeud (Fi
10、g. 1; dimensions b, et b,). 2.1 cywai 2 M3MEPEHHE PasMepbI CYYKOB BbIpaxaIOTCIE klJIIi B a6co- JIIOTHbIX BeJIWIEIHaX (B MEIJIJIFfMeTpaX) I?fJ?EI B OTHOCEITeJIbHbIX (B JIOJISIX pa3MepOB CTOpOH COpTEIMeHTa, Ha KOTOpbIe OHII BMXOASIT) C IIOJI- CYeTOhq KOJIMYeCTBa Ha OAMH MeTp (3,28 yTa) AJIIIHbI MJIEI
11、Ha BeCb COpTIIMeHT. Pa3MepbI CyYKOB ABYX crfoco6oB : OAHIIM I43 a) II0 paCCTO5IHIIIO Me2KAy KaCaTeJIbHbIMPI K KOHTypy CyYKa, IIpOBeAeHHbIMEI I-rapaJI- JIeJIbHO pe6paM COpTEIMeHTa ; b) II0 HaMMeHbIIIeMy AElaMeTpy CeYeHWI CyFIKa. 2.1.1.1 Cyrlu Kpyznbre 1-4 2.1.1.2 CJWW 06 size a). Splay (spike) knots
12、may also be measured by the distance be- tween the two tangents to the perimeter of the knot, drawn parallel to the arrises of the piece (Fig. 2; size A,), or by the distance between the arris and the tangent to the perimeter of the knot, drawn parallel to the arris, measured on that side of the pie
13、ce on which the longitu- dinal section of the knot is exposed (Fig. 2; size AJ ; according to method b) - by the minimum diameter of the knot cross-section (Fig. 2; sizes b, and b,). 2.1.2.4 2.1.3.3 NEuds plats traversants et NEuds doubles se mesurent selon la methode a) - dapres la distance entre l
14、arete et la tangente au contour du neeud, parallele a larete, avec le mesurage sur le tote de la piece oti apparait la section transversale du noeud (Fig. 2; dimension a. Les noeuds plats peuvent egalement etre mesures dapres la distance entre les tangentes au contour du noeud, paralleles aux a dime
15、n- sion A,), ou dapres la distance entre larete et la tangente au contour du noeud, parallele a larete, avec le mesurage sur le c dimension AJ; selon la methode b) - dapres le diametre minimal de la section du noeud (Fig. 2; dimensions bl et b,). 2.1.2.4 2.1.3.3 CJYKU CUlU6Flble M Cywu pa36emsnewbze
16、 anYaTbfe) 1139 HO c11oco6y - no paCCTO5IHEII-O MeWJype6poM M KaCaTeJIbHOii K KOHTypy CyY- Kil, IIpOBe,lJeHHOfi napannenbuo pe6py, c m3MepemieM Ha ofi CTOpOHe COpTElMeHTa,KyJ(aBbI- noepeHoeceeHecy- Ka (PK. 2, pa3Mep a). flonyc- KaeTm,KpoMeoro,sf3MepeHkIe npoonroBaTbxyoBnopac- CTOIIHWO MexjJy KaCaTeJ
17、IbHbI- MEIKKOHTypyCyYKa,IIpOBe no cnoco6y b) - IIOHallMeHbIIIeMy AIlaMeTpy Ce- YeHm cyYKa (PHc. 2, pa3Me- pb1 bl M b,). In addition to methods a) and b), branched knots may be measured by the sum of the sizes of the constituent knots, each knot being measured by the appropriate method specified for
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ISO23011973SAWNTIMBEROFBROADLEAVEDSPECIESDEFECTSMEASUREMENTTRILINGUALEDITION 阔叶树 缺陷 测量 语言版 PDF

链接地址:http://www.mydoc123.com/p-1252591.html