1) carbon density
碳密度
1.
Distribution characteristics and influential factors of vegetation carbon density of alpine grassland ecosystem in the south slope of Gongga South Mountain-Lhagoi Kangri mountain
贡嘎南山-拉轨岗日山南坡高寒草原生态系统植被碳密度分布特征及其影响因素
2.
Research on carbon storage and carbon density of main forest types at Huoditang forestry region in the Qinling Mountains
秦岭火地塘林区主要森林类型的碳储量和碳密度
3.
The soil carbon density change model is based on regression analysis of the carbon densities of different soils.
对不同土壤类型碳密度随时间的变化,用回归分析的方法,建立土壤碳密度变化模型。
2) carbon storage density
储碳密度
1.
Based on the biomass data from sample plots,the average CCR of tree layer,carbon storage density and carbon storage of forest vegetation were calculated,as well as the carbon storage allocation of .
为准确估计甘肃小陇山林区森林植被的碳库大小,应用干烧法对该地区主要林分类型的13种乔木、14种灌木、10种草本植物的不同器官和7类林分的枯落物有机含碳率进行了测定,同时利用生物量标准地资料对8类林分的乔木层平均含碳率及森林植被的储碳密度和碳储量进行了估算,并分析了林分各组分的碳储量分配特征。
3) carbon density
碳素密度
1.
The results indicated that:(1)the carbon density of different bamboo organs varied from 0.
利用标准样方法研究了川西最主要的两种退耕还林植被(苦竹林和桦木林)在恢复初期生态系统碳储量、碳素密度以及空间分配特征。
2.
The study on the carbon density,storage and distribution in a five-year birch forest on the forestland converted from farmland showed that in different organs of birch,carbon density ranged from 0.
对退耕还林5年生的桦木林生物量、碳素密度、碳贮量及其空间分布进行测定。
3.
The carbon density and storage in four types of natural secondary forests are studied,and the results show that: 1) the range of carbon density in different apparatus of natural secondary forests is from 0.
通过对帽儿山林场4类天然次生林碳素密度及储量的比较研究,结果表明:1)天然次生林主要树种不同器官中碳素密度变化范围在0。
4) carbon felt density
碳毡体密度
1.
Oxidation mass loss rates of different samples at different temperature and time were studied,and relation of carbon felt density and oxidation behavior of carbon/carbon composite was studied.
考察了不同材料在不同温度、时间下的氧化失重率,研究了碳毡体密度与碳/碳复合材料氧化行为的关系。
5) organic carbon density
有机碳密度
1.
To study the change laws of soil organic carbon density(SOCD) in the process of ecological forest restoration is of important theory value to the ecological benefit assessment of ecological environment construction in this area.
生态林建设是黄土高原生态环境恢复的重要内容,探讨生态林恢复过程中土壤有机碳密度(SOCD)的变化规律,对该地区生态林恢复的生态效益评估具有重要的理论价值。
2.
The organic carbon density of 20 cm of forest soil ranges from 0.
73×106t;20 cm深度的土壤有机碳密度介于0。
3.
Investigations were implemented on soil organic carbon density in plantations of Pinus massoniana,Cunninghamia lanceolata,Eucalyptus grandis and Cypressus funebris in the hilly region of the western Sichuan.
基于森林土壤碳清查的方法,研究了川西低山丘陵区马尾松(Pinus massoniana)、杉木(Cunninghamia lanceolata)、巨桉(Eucalyptus grandis)和柏木(Cupressus funebris)人工林土壤的有机碳密度,结果表明,4种人工林土壤各层有机碳含量介于(4。
6) Soil carbon density
土壤碳密度
1.
In the whole watershed,mean soil carbon density of mountain area was 25.
论文利用改进的土壤类型法———基于网格的土壤类型法,以干旱区典型的三工河流域为例,精确估算流域土壤碳储量,分析土壤碳密度的空间分布特征,为干旱区土壤碳循环研究提供数据支撑。
2.
For the whole soil section,soil carbon density in all forest types varied from 12.
(2)4种林分土壤碳密度存在显著差异,其各土层变化范围为1。
3.
For the whole soil section,soil carbon density in all forest types varies from 13.
(2)4种林分土壤碳密度差异显著,其各土层变化范围为1。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
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