5个年龄栓皮栎热值与灰分含量的分析

doi:10.3969/j.jssn.1000-2006.2011.05.009

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南京林业大学学报（自然科学版） ›› 2011, Vol. 35 ›› Issue (05): 40-44.doi: 10.3969/j.jssn.1000-2006.2011.05.009

5个年龄栓皮栎热值与灰分含量的分析

江丽媛，彭祚登*

北京林业大学，省部共建森林培育与保护教育部重点实验室，北京100083

出版日期:2011-09-30 发布日期:2011-09-30
基金资助:
收稿日期：2010-06-16修回日期：2010-10-12基金项目：“十一五”国家科技支撑计划(2006BAD18B0103)；教育部高等学校科技创新工程重大项目培育资金项目(706007)作者简介：江丽媛(1986—)，硕士生。*彭祚登(通信作者)，副教授。Email: zuodeng@sina.com

Caloric values and ash contents of Quercus variabilis at five different ages

JIANG Liyuan, PENG Zuodeng*

The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China

Online:2011-09-30 Published:2011-09-30

摘要/Abstract

摘要： 不同年龄栓皮栎的灰分含量、干质量热值和去灰分热值是栓皮栎能源开发利用的重要基础。通过对5个年龄栓皮栎不同器官热值、灰分含量的分析，得出：平均灰分含量从高到低时的树龄依次为46、36、17、57、27 a；枝或干的灰分含量低于叶或皮。平均干质量热值从高到低的树龄依次为27、57、36、17、46 a；树叶、树皮、树干的干质量热值与灰分含量均呈不显著负相关，树枝的干质量热值与灰分含量间为极显著线性负相关，平均干质量热值与灰分含量呈显著线性负相关；枝或干的干质量热值均低于叶或皮。平均去灰分热值从高到低时的树龄依次为57、27、36、17、46 a；枝或干的去灰分热值均低于叶或皮。从热值与栓皮栎能源林的经营成本考虑，17、27、36、46、57 a的5个栓皮栎年龄段中，27 a可为栓皮栎能源林的理想经营年龄。

Abstract: Ash contents, gross caloric values and ash free caloric values at different ages were important information for exploiting and utilizing energy of Quercus variabilis. Caloric values and ash contents in different tissues of Q. variabilis at five different ages were studied in this paper. Results showed that average ash contents decreased in the order of the 46th, 36th, 17th, 57th and 27th year. Ash contents of branch or trunk were lower than that of leave or bark. Average gross caloric values decreased in the order of the 27th, 57th, 36th, 17th and 46th year. Gross caloric values of leave, bark and trunk were not significantly correlated with ash contents, while that of branch were great significantly negative correlated with ash contents in negative manner. Average gross caloric values were also significantly negatively correlated with ash contents. Gross caloric values of branch or trunk were lower than that of leave or bark. Average ash free caloric values decreased in the order of the 57th, 27th, 36th, 17th and 46th year. Ash free caloric values of branch or trunk were lower than that of leave or bark. From the view of caloric values and operational cost of energy forest, Q. variabilis of the 27th year was the perfect age of operating energy forest among the five ages under investigation.

中图分类号:

S757.4

江丽媛,彭祚登. 5个年龄栓皮栎热值与灰分含量的分析[J]. 南京林业大学学报（自然科学版）, 2011, 35(05): 40-44.

JIANG Liyuan, PENG Zuodeng*. Caloric values and ash contents of Quercus variabilis at five different ages[J].Journal of Nanjing Forestry University (Natural Science Edition), 2011, 35(05): 40-44.DOI: 10.3969/j.jssn.1000-2006.2011.05.009.

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5个年龄栓皮栎热值与灰分含量的分析

Caloric values and ash contents of Quercus variabilis at five different ages

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