大花序桉木材抗弯弹性模量变异研究
用伐倒木取样，按国家标准制作试件，采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量（Modulus of elasticity, MOE），研究了18年生大花序桉Eucalyptus cloeziana11个种源木材MOE在种源间、单株间、树干高度上的变异情况．结果表明，大花序桉部分种源间、株间和高度间的木材MOE均有显著差异，1347种源的木材MOE最大，为26．71GPa；12195号种源的最小，为23．50GPa，并显著小于B47、IM7和17008号这3个种源．11个种源中有7个种源的株间木材MOE差异达显著水平．各种源内树干高度间的木材MOE只有2个种源的高度间差异显著；各种...
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| Published in | 华南农业大学学报 Vol. 33; no. 1; pp. 73 - 76 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广西林业科学研究院,广西南宁530002%南京林业大学森林资源与环境学院,江苏南京,210037%广西林业科学研究院,广西南宁,530002%广西大学林学院,广西南宁,530001%广西国营东门林场,广西扶绥,532108
2012
南京林业大学森林资源与环境学院,江苏南京210037 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-411X |
| DOI | 10.3969/j.issn.1001-411X.2012.01.015 |
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| Abstract | 用伐倒木取样，按国家标准制作试件，采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量（Modulus of elasticity, MOE），研究了18年生大花序桉Eucalyptus cloeziana11个种源木材MOE在种源间、单株间、树干高度上的变异情况．结果表明，大花序桉部分种源间、株间和高度间的木材MOE均有显著差异，1347种源的木材MOE最大，为26．71GPa；12195号种源的最小，为23．50GPa，并显著小于B47、IM7和17008号这3个种源．11个种源中有7个种源的株间木材MOE差异达显著水平．各种源内树干高度间的木材MOE只有2个种源的高度间差异显著；各种源木材MOE沿树干高度的变化趋势有2种：有7个种源随树干高度的增加而增大，另4个种源沿树干高度呈先上升后下降的趋势． |
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| AbstractList | 用伐倒木取样，按国家标准制作试件，采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量（Modulus of elasticity, MOE），研究了18年生大花序桉Eucalyptus cloeziana11个种源木材MOE在种源间、单株间、树干高度上的变异情况．结果表明，大花序桉部分种源间、株间和高度间的木材MOE均有显著差异，1347种源的木材MOE最大，为26．71GPa；12195号种源的最小，为23．50GPa，并显著小于B47、IM7和17008号这3个种源．11个种源中有7个种源的株间木材MOE差异达显著水平．各种源内树干高度间的木材MOE只有2个种源的高度间差异显著；各种源木材MOE沿树干高度的变化趋势有2种：有7个种源随树干高度的增加而增大，另4个种源沿树干高度呈先上升后下降的趋势． S781.23; 用伐倒木取样,按国家标准制作试件,采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量(Modulus of elasticity,MOE),研究了18年生大花序桉Eucalyptus cloeziana 11个种源木材MOE在种源间、单株间、树干高度上的变异情况.结果表明,大花序桉部分种源间、株间和高度间的木材MOE均有显著差异,B47种源的木材MOE最大,为26.71 GPa; 12195号种源的最小,为23.50 GPa,并显著小于B47、D47和17008号这3个种源.11个种源中有7个种源的株间木材MOE差异达显著水平.各种源内树干高度间的木材MOE只有2个种源的高度间差异显著；各种源木材MOE沿树干高度的变化趋势有2种:有7个种源随树干高度的增加而增大,另4个种源沿树干高度呈先上升后下降的趋势. |
| Author | 项东云 王明庥 黄敏仁 陈健波 阚荣飞 张照远 陈东林 |
| AuthorAffiliation | 南京林业大学森林资源与环境学院,江苏南京210037 广西林业科学研究院,广西南宁530002 广西大学林学院,广西南宁530001 广西国营东门林场,广西扶绥532108 |
| AuthorAffiliation_xml | – name: 南京林业大学森林资源与环境学院,江苏南京210037;广西林业科学研究院,广西南宁530002%南京林业大学森林资源与环境学院,江苏南京,210037%广西林业科学研究院,广西南宁,530002%广西大学林学院,广西南宁,530001%广西国营东门林场,广西扶绥,532108 |
| Author_FL | ZHANG Zhao-yuan CHEN Jian-bo WANG Ming-xiu HUANG Min-ren CHEN Dong-lin XIANG Dong-yun KAN Rong-fei |
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| Author_xml | – sequence: 1 fullname: 项东云 王明庥 黄敏仁 陈健波 阚荣飞 张照远 陈东林 |
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| ClassificationCodes | S781.23 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1001-411X.2012.01.015 |
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| DocumentTitleAlternate | Variations of Modulus of Elasticity in Eucalyptus cloeziana Wood |
| DocumentTitle_FL | Variations of Modulus of Elasticity in Eucalyptus cloeziana Wood |
| EndPage | 76 |
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| Keywords | 变异 大花序桉 弹性模量 种源 |
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| Notes | 44-1110/S Variations of modulus of elasticity （MOE） of 18-year-old Eucalyptus cloeziana wood in 11 provenances were investigated according to different provenances, individuals and stem heights. MOE was measured by SANS-type computer-controlled electronic universal testing machine. The samples from felled trees were done by the national standard. The results showed that there were significant differences among provenances, individuals and stem heights in E. cloeziana wood. Provenance B47 had the largest MOE, at 26. 71 GPa. Provenance 12195 had the smallest of all, at 23.50 GPa, which was significantly smaller than that of provenance B47, D47 and 17008. 7 out of 11 provenances were significantly different in individual. 2 different provenances had significant differences in MOE between stem heights. 2 kinds of tendencies on MOE along stem heights were evident： 7 provenances showed an increase as the stem height increased; the other 4 provenances increased first then decreased. Eucalyptus cloeziana ; provenances |
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| PublicationTitle | 华南农业大学学报 |
| PublicationTitleAlternate | Journal of South China Agricultural University |
| PublicationTitle_FL | Journal of South China Agricultural University |
| PublicationYear | 2012 |
| Publisher | 广西林业科学研究院,广西南宁530002%南京林业大学森林资源与环境学院,江苏南京,210037%广西林业科学研究院,广西南宁,530002%广西大学林学院,广西南宁,530001%广西国营东门林场,广西扶绥,532108 南京林业大学森林资源与环境学院,江苏南京210037 |
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| Snippet | 用伐倒木取样，按国家标准制作试件，采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量（Modulus of elasticity, MOE），研究了18年生大花序桉Eucalyptus... S781.23; 用伐倒木取样,按国家标准制作试件,采用SANS型微机控制电子万能试验机测定木材抗弯弹性模量(Modulus of elasticity,MOE),研究了18年生大花序桉Eucalyptus cloeziana... |
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| SubjectTerms | 变异 大花序桉 弹性模量 种源 |
| Title | 大花序桉木材抗弯弹性模量变异研究 |
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