nitrogen cycle

美 [ˈnaɪtrədʒən saɪkl]英 [ˈnaɪtrədʒən saɪkl]
  • n.氮循环(各种形式的氮在自然界的循环)
nitrogen cyclenitrogen cycle

noun

C U氮循环(各种形式的氮在自然界的循环)
the processes by which nitrogen is passed from one part of the environment to another, for example when plants decay

noun

1
the circulation of nitrogen;nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil

数据来源:WordNet

  1. Study on the Contributions of Microorganisms in Nitrogen Cycle of Urban Wetland

    微生物在城市湿地氮循环系统中的作用研究

  2. The relation between DON and nitrogen cycle ;

    DON与氮循环的关系;

  3. This paper mainly studies the teaching design of the nitrogen cycle .

    本文研究的是氮的循环教学设计。

  4. A comparative study of nitrogen cycle in food and feed systems in Japan and China

    日本与中国农业系统氮素循环的比较

  5. Soil Nitrogen Cycle in Agro-ecosystem and its Influence on Soil Nitrogen Loss

    农田土壤氮素循环及其对土壤氮流失的影响

  6. Study on the contributions of microorganisms in nitrogen cycle of wetlands

    微生物在湿地氮循环系统的效应分析

  7. Nitrogen cycle refrigeration for naked cooling of air separation unit

    氮气循环制冷实现空分设备裸冷

  8. Terrestrial carbon cycle and nitrogen cycle are closely coupled .

    陆地生态系统碳循环和氮循环密切相关,碳贮量与碳通量在很大程度上受氮循环的影响和限制。

  9. Distribution of Nitrogen Cycle Bacteria in an Artificial Ecosystem of Taihu Lake

    太湖人工生态系统中氮循环细菌分布

  10. Experimentation and Simulation on Carbon and Nitrogen Cycle

    基于试验与模型的C、N循环研究马氏体中的碳和氮

  11. Effect of Seaweed Extract on Nitrogen Cycle in Eutrophic Water

    海藻提取物对富营养化水体氮素循环影响研究

  12. Denitrification by prokaryotes is an important part of the global nitrogen cycle .

    微生物的反硝化作用是自然界氮素循环的重要环节。

  13. Purification of Lake Water by Simulative Dynamic Experiment Using Immobilized Nitrogen Cycle Bacteria in Winter

    秋冬季环境下固定化氮循环细菌净化湖泊水体氮污染动态模拟

  14. Nitrogen Cycle And Nutrient Enrichment Of Two Reservoirs

    两湖(库)的氮循环及富营养化

  15. Research on the Nitrogen Cycle Bacteria and Actions in the Rhizosphere of Economic Aquatic Plants

    水生经济植物根际氮循环细菌及其作用的研究

  16. Soil acidification and nitrogen cycle disturbed by man-made factors

    氮循环的人为干扰与土壤酸化

  17. Nitrogen cycle in water layer of paddy field as affected by the plantation of aquatic plants

    稻田养殖水生绿肥对水层中氮素循环的影响

  18. Nitrogen cycle and management of rice-mushroom production system in Longhai of Fujian

    福建龙海:稻菇生产系统的氮素循环和管理

  19. Microorganism and nitrogen cycle in artificial wetland ecosystem were affected to a certain extent .

    于此同时,人工湿地生态系统中微生物、氮循环也受到一定程度的影响。

  20. Guy : What about , well , you said that the nitrogen cycle is also an important nutrient cycle .

    学生:那么,您刚才说氮循环也是很重要的养分循环,

  21. Studies on the correlation among various bacteria and physicochemical factors in the nitrogen cycle in Fishpond

    池塘氮循环中各种细菌与理化因子的相关性研究

  22. The autotrophic nitrifying bacteria play a critical role in nitrogen cycle in nature .

    硝化细菌是一大类在自然界氮循环中起关键作用的微生物菌群。

  23. Microbial effect on nitrogen cycle and nitrogen isotope fractionation on the earth 's surface & a review

    地表环境氮循环过程中微生物作用及同位素分馏研究综述

  24. Advances in ammonia-oxidizing microorganisms and global nitrogen cycle

    氨氧化微生物生态学与氮循环研究进展

  25. Studies on Nitrogen Cycle in Plant-soil System and on Physiological Basis of Kernel Yield and Quality Formation in Winter Wheat

    冬小麦植株-土壤氮素循环及产量与品质形成生理基础的研究

  26. The results reflected that anaerobic ammonium oxidation process was an important way for nitrogen cycle and ecological environment effect was particularly significant .

    表明厌氧氨氧化过程是氮循环的重要途径,生态环境效应特别显著。

  27. The activities of proteinase and peptidase were raised , which stimulated nitrogen cycle .

    提高了蛋白酶和肽酶的活性,促进了氮素的循环;

  28. The soil is an important component of the terrestrial ecosystems and plays the significant role in the global carbon and nitrogen cycle .

    它是陆生生物赖以生存的物质基础,是陆地生态系统中物质与能量交换的重要场所,其在全球碳、氮循环中起着十分重要的作用。

  29. Experimental studies were carried out on the purification of eutrophic lake water by simulative dynamic experiment using immobilized nitrogen cycle bacteria .

    本文依据太湖秋冬季水体氮污染的特点,应用辐射增殖氮循环细菌进行了净化湖水氮污染的动态模拟实验。

  30. In situ remediation of eutrophic water bodies by the combination of water hyacinth and immobilized nitrogen cycle bacteria

    凤眼莲-固定化氮循环细菌联合作用对富营养化水体原位修复的研究