1) N and P biological cycle and accumulation
氮、磷生物循环
2) nitrogen bio-cycle
氮生物循环
3) Biological cycle
生物循环
1.
The accumulation,allocation and biological cycle of the nutrient elements in Carex lasiocarpa wetland;
毛果苔草湿地营养元素的积累、分配及其生物循环特征
2.
The concentration characteristics of mineral elements and biological cycle in the terrestrial solonchak plants on the beach of Jiangsu Province;
江苏海岸带陆生盐土植物矿质元素含量的特点及生物循环
3.
Using Principles of ecology and thought of sustainable agriculture in this paper, the fundamental characteristics of wetland were analized on Jianghan Plain of Hubei Province and DongtingLake Plain of Hunan Province, and then the ways that agricultural sustainable development is promoted by using resources of wetland and living things rationally and regulating biological cycle were proposed.
运用生态学原理和可持续农业的思想 ,分析了湖南洞庭湖平原和湖北江汉平原 (简称两湖平原 )湿地的基本特点 ,提出了合理利用湿地资源和生物资源 ,通过调节物质的生物循环 ,促进农业可持续发展的途径。
4) biocycle
['baiəu,saikl]
生物循环
1.
The Biocycle of Larix principis-ruppechtii Forest Plantation in South Slope of Qinlin Mountains;
华北落叶松人工林营养元素的生物循环
2.
Biocycle of soil radioactivity in loess area.;
黄土区土壤放射性的生物循环
3.
The accumulation,distribution and biocycle of nutrients of 6 - years Eucalyptus grandis× urophglla high yield exemplary forest with the densities of90 0 ,1 1 2 5 ,and1 5 0 0 trees/hm2 were studied in the low hilly area of south Hunan.
对湘南低山丘岗区密度为 90 0、1 1 2 5和 1 5 0 0株 /hm2 的 6年生巨尾桉 (Eucalyptusgrandis× urophglla)丰产示范林营养元素积累、分布和生物循环进行了研究。
5) biological cycling
生物循环
1.
Accumulation, distribution and biological cycling of microelements in a second rotation Chinese fir plantation;
第2代杉木人工林微量元素的积累、分配及其生物循环特征
2.
Effects of seabuckthorn( Hippophae rhamnoides L.)on nutrient distribution and biological cycling of poplar plantations in dry subhumid area of China;
沙棘对中国亚湿润干旱区的杨树人工林养分分布及生物循环影响(英文)
3.
The content,accumulation,distribution and biological cycling of six nutrient elements(N,P,K,Ca,Mg and S)as well as their changes with growth of stands in A.
对马占相思人工林6种营养元素(N、P、K、Ca、Mg、S)的含量、积累、分布和生物循环特点以及随林分年龄的变化趋势进行了研究。
6) biocycling
生物循环
1.
Characteristics of nutrient biocycling of natural forests on the Gongga Mountain.;
贡嘎山天然林营养元素生物循环特征
2.
A study on the biocycling of N,P and K in the 12 years old mixed Quercus acutissima and Platycladus orientalis forest ecosystem was conducted in Miyun District of Beijing.
该文对北京密云水库库西试验区的12年生麻栎--侧柏人工混交林N、P、K的生物循环进行了研究。
补充资料：A2/O生物除磷脱氮法
分子式：
CAS号：
性质：(厌氧、缺氧/好氧)法是在A2/O（厌氧/好氧）法基础上增加一个缺氧段（A），在缺氧过程中，微生物大量吸附厌氧过程释放的磷和原废水中的磷，在细菌细胞体内合成聚磷酸盐而贮存起来，最后通过沉淀池的剩余污泥排放而达到除磷的目的。A2/O系统的特点是污泥龄长，剩余污泥量少，运行稳定，而冲击负荷。
CAS号：
性质：(厌氧、缺氧/好氧)法是在A2/O（厌氧/好氧）法基础上增加一个缺氧段（A），在缺氧过程中，微生物大量吸附厌氧过程释放的磷和原废水中的磷，在细菌细胞体内合成聚磷酸盐而贮存起来，最后通过沉淀池的剩余污泥排放而达到除磷的目的。A2/O系统的特点是污泥龄长，剩余污泥量少，运行稳定，而冲击负荷。
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