1) plantation-grown Eucalyptus
人工林桉树
1.
In order to develop solid eucalypt wood products with highly-added values, by applying the improved Terazawa ’s testing methods, the drying characteristics were systematically described and measured and the quasi-drying schedules made were classified and evaluated on seven species of plantation-grown Eucalyptus urophylla, E.
为了开发高附加值的人工林桉树实木产品,采用日本学者寺沢真改良百度法,对普遍引种在中国的尾叶桉、巨桉、尾巨桉、巨尾桉、邓恩桉、粗皮桉、大花序桉7种人工林桉树木材的干燥特性进行了系统描述和测定,同时对制定的7种桉树木材的准干燥基准进行了分析和评价。
2) Eucalyptus plantation
桉树人工林
1.
The comparative study on Fe accumulation and cycle in different Eucalyptus plantations;
不同桉树人工林Fe元素积累和循环的比较
2.
Growth strain evaluation in different species of eucalyptus plantation in south China;
我国南方地区不同桉树人工林树种生长应变水平的评估
3.
The nutrient cycling and balance of eucalyptus plantation ecosystem Ⅴ. Effects of the interplanting of Tephrosia candida on soil fertility and tree growth;
桉树人工林生态系统养分循环与平衡研究 Ⅴ.桉树林间种山毛豆对土壤肥力与林木生长的作用
3) eucalypt plantation
桉树人工林
1.
Effects of continuous cropping on understorey species diversity in Eucalypt plantations.;
连栽对桉树人工林下物种多样性的影响
2.
The function of manufacturing oxygen and carbon sequestration of eucalypt plantation was reviewed.
论述了桉树人工林的制氧固碳、保持水土生态功能,并以樟木头林场桉树人工林为例,计算出桉树人工林每年的制氧、碳汇量生态效益,并对当今人们对桉树人工林的认识观点提出相应的见解。
3.
Fire characteristics were analyzed in this paper,constructing methods of shelterbelts of biological fire control and fire suppression technique of eucalypt plantation were discussed.
分析了桉树人工林的火险特点,论述了在桉树速丰林营建中如何建设与维修生物防火林带尤其是免修半免修复层防火林带,探讨桉树人工林发生火灾时的扑灭技术。
4) Eucalyptus plantations
桉树人工林
1.
Based on the data collected from 776 sample plots of Eucalyptus plantations in Guangxi,the curve models of relative tree height for Eucalyptus plantations are established by applying some modern theory of modeling.
以广西速生丰产桉树人工林776块样地数据为基础,运用现代建模思想和方法,优选模型结构,研究建立了速生丰产桉树人工林相对树高曲线模型。
2.
Based on the investigated data using GPS,different diameter models of trees were used to fit the distribution of eucalyptus plantations in different regions and different slopes.
结果表明,威布尔分布模型较好地表达了各地区桉树的直径分布结构,拟合效果最好,并分析其直径结构特征,为科学地进行桉树人工林定向培育提供可靠的理论依据。
3.
Based on 2 hm2 sample plots,soil moisture spatial characteristics is investigated in the Eucalyptus plantations in West Guangdong.
依据2 hm2样方的调查数据,结合经典统计学与地统计学方法对广东省肇庆市三叉顶自然保护区桉树人工林土壤水分的空间异质性进行了研究。
5) Eucalyptus plantation soil
桉树人工林地
1.
Relationship between soil enzyme activities and trace element contents in Eucalyptus plantation soil;
桉树人工林地土壤酶活性与微量元素含量的关系
6) plantation Eucalypt wood
人工林桉木
补充资料:桉树油
分子式:
分子量:
CAS号:
性质:一种精油。由桉树叶、枝经蒸汽蒸馏而得。无色至淡黄色液体。有似樟脑和冰片的气味。相对密度0.905-0.925(25/25℃),熔点不低于-15.4℃。折射率1.4580-1.4700(20℃)。旋光度-5°~ +5°。几乎不溶于水,溶于乙醇。主要成分是桉树脑,含量达70%-90%,并含少量的醛和萜烯等。用于医药配制止咳剂、漱口剂、除虫剂油膏和配制牙膏、牙粉、糖果等的香精。
分子量:
CAS号:
性质:一种精油。由桉树叶、枝经蒸汽蒸馏而得。无色至淡黄色液体。有似樟脑和冰片的气味。相对密度0.905-0.925(25/25℃),熔点不低于-15.4℃。折射率1.4580-1.4700(20℃)。旋光度-5°~ +5°。几乎不溶于水,溶于乙醇。主要成分是桉树脑,含量达70%-90%,并含少量的醛和萜烯等。用于医药配制止咳剂、漱口剂、除虫剂油膏和配制牙膏、牙粉、糖果等的香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条