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- Carbon and nitrogen cycling characteristics of dry farmland ecosystem on Loess Plateau. 黄土高原旱塬农田生态系统碳氮循环特征。
- Nutrient-rich, oxygen-poor waters like these support a frenzy of nitrogen cycling, in which certain bacteria use nitrates as an energy source. 富营养化的，缺氧的海水给氮元素的循环提供了一个新的场所，特别的细菌会利用这些硝酸盐作为一种能量的来源。
- Biological nitrogen fixation (BNF) is strongly associated with global nitrogen cycling and global changes due to its effects on release of greenhouse gas. 生物固氮对全球生态系统氮素循环和全球变化有着重要影响,但是由于测定方法的原因,过去对生物固氮,特别是多年生固氮植物的共生固氮的定量研究不足。
- As an effective tracing method, stable nitrogen isotope is significant for studying the nitrogen cycling, especially for identifying source of nitrogen pollution. 稳定氮同位素作为一种有效的示踪手段，在研究氮循环特别是污染氮源的识别方面有重要意义。
- It is shown from the recent studies that organic nitrogen compounds are an important component of atmospheric nitrogen deposition and make a nonnegligible contribution to the global nitrogen cycling. 摘要近几年的研究表明，有机氮化合物是大气氮沉降的重要组成部分，对全球氮循环的贡献不可忽视。
- The available literature suggests that no consistent pattern exists on the impacts of exotic plant invasions on soil microbes, soil animals, soil carbon cycling and nitrogen cycling. 已有的研究表明, 植物入侵对土壤生物多样性及相关生态系统过程的影响均存在不一致的格局, 影响机制也是复杂多样的。
- Of all kinds of stable isotopes, 15N stable isotope technique plays a very important role in the research on nitrogen cycling in natural ecosystems and is still functioning efficiently now. 其中，稳定性同位素15N自然丰度法近年来在生态系统氮素循环研究中发挥了和正在发挥着极为重要的作用。
- A technique consisting of aquatic plants,artificial fillers and immobilized nitrogen cycling bacteria(INCB)was adopted in situ purifying contaminated Xinyi River in fall and winter seasons. 采用水生植物、人工填料和固定化氮循环细菌技术(INCB),在秋冬季节对新沂河进行原位污染治理和生态修复实验。
- immobilized nitrogen cycling bacteria（INCB）; 固定化氮循环细菌;
- soil carbon and nitrogen cycling 土壤碳和氮循环
- Nitrogen cycle: fix N2 into compounds useful as nutrients for plants and animals. （氮循环：固定的N2化合物作为植物和动物的营养素。
- Nitrogen turnover from grazing livestock excreta is the key process in the nitrogen cycle of pasture ecosystems. 放牧家畜排泄物氮转化是草原生态系统氮循环的关键。
- Immobilized nitrogen cycling bacteria 固定化氮循环细菌
- immobilized nitrogen cycling bacteria (INCB) 固定化氮循环细菌
- characteristic of nitrogen cycling 循环特点
- Any of various soil bacteria that take part in the nitrogen cycle, oxidizing ammonium compounds into nitrites or nitrites into nitrates. 硝化细菌一种参与氮环核，将氨的化合物氧化成亚硝酸盐或将亚硝酸盐氧化成硝酸盐的土壤细菌
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Experimental studies were carried out on the purification of eutrophic lake water by simulative dynamic experiment using immobilized nitrogen cycle bacteria. 研究结果表明,富营养化湖水经固定化氮循环细菌净化后,总氮下降72。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Keywords florfenicol;marine sediment;pore water;nitrogen cycling; 氟苯尼考;海洋沉积物;间隙水;氮循环;
