有机碳密度,organic carbon density
1)organic carbon density有机碳密度
1.To study the change laws of soilorganic 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.Theorganic 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 soilorganic 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。
英文短句/例句
1.Researches on Soil Organic Carbon Density and Carbon Sequestration Effects in the Farmland of Yangtze Delta;长三角农田土壤有机碳密度及碳收集效应研究
anic carbon density and storage of forest ecosystems in Three Gorges Reservoir Area三峡库区森林生态系统有机碳密度及碳储量
3.Soil organic carbon density of 4 forest types in Jinyun mountain of Chongqing重庆缙云山典型林分土壤有机碳密度特征
4.Study on Soil Organic Carbon Density of Main Plantations in the Dabashan Forest Areas大巴山林区主要人工林土壤有机碳密度的研究
5.Study on Soil Organic Carbon Densities of Artificial Pinus massoniana in Sichuan Province四川省马尾松人工林土壤有机碳密度研究
6.Analysis of Soil Organic Carbon Density in the Lithoid Mountainous Area in North China:A Case Study in Miyun County北方石质山区表层土壤有机碳密度特征分析——以密云县为例
7.Land Degradation and Soil Organic Carbon Density Change in the Liusha Basin;流沙河流域土地退化与土壤有机碳密度变化关系
8.Spatial Distribution of Soil Organic Carbon Density in Anhui Province Based on GIS基于GIS的安徽省土壤有机碳密度的空间分布特征
9.Main natural factors controlling soil organic carbon density in the uplands of Northeast China东北地区旱地土壤有机碳密度的主控自然因素研究
10.FACTORS AFFECTING VARIATION OF SOIL ORGANIC CARBON DENSITY IN YUNNAN-GUIZHOU-GUANGXI REGION滇黔桂地区土壤有机碳密度变异的影响因素研究
11.Soil Organic Carbon Density in Plantations of Hilly Region in the Western Sichuan川西低山丘陵区主要人工林土壤有机碳密度研究
12.Study on Soil Organic Carbon Density under Different Land Use Types in Central Hilly Area of Hunan Province湘中丘陵区不同土地利用方式下土壤有机碳密度
13.Argillaceous Hydrocarbon Source Rock Density Separation and Dstribution of Oganic Carbon泥质烃源岩密度分级分离与有机碳分配
14.A Study of Topsoil Organic Carbon Concentration and Density under Different Land Use in West River Basin,Guangdong Province不同土地利用形式下表土有机碳含量和密度特征的研究
15.Density Functional Study on Preparation of Dimethyl Carbonate Catalyzed by Organotin Compounds有机锡化合物催化合成碳酸二甲酯的密度泛函理论研究
16.Content and Density Characteristics of Soil Organic Carbon in Typical Landscapes of Subtropical Region亚热带典型景观单元土壤有机碳含量和密度特征
17.Contents and Densities of Soil Organic Carbon in Urban Soils in Different Function Areas of Kaifeng开封市不同功能区城市土壤有机碳含量与密度分析
18.Evaluation of Uncertainty about Indication Error of Measurment on the Organic Carbon of Total Organic Carbon Analyzer总有机碳分析仪有机碳示值误差测量结果的不确定度评定
相关短句/例句
soil organic carbon density土壤有机碳密度
1.It is vital to estimatesoil organic carbon density(SOCD)and its storage more accurately on natural secondary Pinus tabulaeforims forest land at Huoditang valley in Qinling mountains so that carbon balance of whole forest ecosystem could be better understood.【目的】精确估计火地塘天然次生油松林土壤有机碳密度和储量。
2.Based on a soil database from the soil sampling of Jiangxi by GPS in , topsoil organic carbon density was calculated.根据江西省各县市典型土壤GPS定点采样样点的理化分析数据计算出有机碳密度并进行空间插值,利用江西省第二次土壤普查相关数据建立土壤空间数据库,结合各土壤类型分布面积,估算表层(0~20cm)土壤有机碳密度和储量,并探讨其空间分布特征。
3.Thesoil organic carbon density and storage of Chongqing municipality was estimated based on the data of 1411 soil profile of Chongqing from the second soil survey of China, using the soil map (1∶250000), land use status quo map and district map of Chongqing.基于重庆市第二次土壤普查的1411个土壤剖面数据,结合重庆市土壤图、土地利用现状图和行政区划图,在地理信息系统技术的支持下,对重庆市土壤有机碳密度及储量进行了估算,同时引入有机碳丰度指数这一指标,对有机碳在不同土壤、不同区域以及不同景观中的分布特征进行了分析。
3)Total organic carbon density土壤总有机碳密度
4)Water-soluble organic carbon density土壤水溶性有机碳密度
5)soil organnic carbon density(SOCD)土壤有机碳密度(SOCD)
6)Soil labile organic carbon density土壤活性有机碳密度
延伸阅读
碳标记有机化合物分子式：CAS号：性质：碳标记有机化合物品种很多，常用的多以13CO2和Bal3CO3为起点合成。13CO2与H2在300～350℃ Ni催化剂上反应制13CH4。Bal3CO3与Ba加热生成Bal3C2再与水反应生成13C2H2。LiBH4还原13CO制H13COOH等。
