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- The climax of N2O emission under RTSR and ZTSR was later 10 days than CTSR. 旋耕还田和免耕还田的N2O排放峰值比翻耕推迟10天;
- In order to develop and popularize fluidized bed boiler,N2O emission problem must be solved. 发展和普及流化床锅炉必须解决N2O的排放控制问题。
- The N2O emission from soil was measured during the growth of soybean and maize in a pot experiment. 摘要测定了盆栽试验条件下大豆和玉米生长期间的土壤N2O排放。
- Thirdly, the reduction of N2O emission based on biogas residue using instead of chemical fertilizers. 第三、利用生物汽残渣而不是化学肥料带来的氧化亚氮N2O的减排。
- The results showed that DCD could inhibit N2O emission from the soil, and the inhibiting effects increase with concentration. 结果表明,DCD对3种土壤N2O释放及土壤NO3--N含量有明显抑制作用,随DCD浓度增加,其抑制效果越显著。
- Incubation studies on the effect of dicyandiamide (DCD) on N2O emission and NH4+-N and NO3--N dynamics of ammonium bicarbonate (AB) in three soils. 采用室内培养试验方法,在不同浓度双氰胺(DCD)处理条件下,对四川3种主要土壤(紫色土、黄壤、灰潮土)的N2O释放量,NH4+-N及NO3--N含量动态变化进行了研究。
- The results showed that planting winter wheat could increase soil N2O emission, regardless of fertilization or mulching. 结果表明:无论是否施氮肥,是否覆膜,种植冬小麦对黄土地区土壤N2O的排放均具有促进作用;
- Liu H, Zhao P, Lin Y B, Rao X Q.CH4 and N2O emission from paddy field of an agroforestry ecosystem in the hilly area of south China. 刘惠;赵平;林永标;饶兴权.;华南丘陵地区农林复合生态系统晚稻田甲烷和氧化亚氮排放
- The cultivation layer soil phosphatase activity and N2O emission flux appeared negative relation markedly, with correlation coefficient of 0.4660. 结果表明,耕层土壤磷酸酶活性与土壤N2O排放通量呈显著负相关,相关系数为0.;4660。
- Results show that the influence of wetland plants on N2O emission of the wetland ecosystem varied with their growing stage. 结果表明,植物不同生长阶段对湿地生态系统N2O排放通量的影响不尽相同。
- Incubation test showed that when soils have same water filled pore space (WFPS) content, the influence on N2O emission of soil from wet to dry is bigger than that from dry to wet. 培养结果说明,在相同的土壤孔隙水含量(WFPS)条件下,土壤由湿变乾过程产生的N2O通量高于土壤由乾变湿过程中的产生量;
- N2O emission fluxes before and after reclamation of Calamagrostis angustifolia wetland in Sanjiang Plain were observed in situ with static-chamber and GC methods. 利用静态箱-气相色谱法对三江平原小叶章湿地开垦前后N2O的排放通量进行了原位测定,分析了N2O通量特征及其与温度、水分等环境因子的关系。
- Gao Z L,Chen X P,Zhang F S et al.Continuous-automatic method for measuring N2O emission from agricultural soil[J].Plant Nutrition and Fertilizer Science,2005,11 (1):64-70. [4]高志岭;陈新平;张福锁;等.;农田土壤N2O排放的连续自动测定方法[J]
- Nitrification and denitrification are two microbial processes to produce N2O in soil.Water management is an important factor affecting N2O emission from rice paddy field. 硝化反硝化是土壤中N2O生成的两个主要的微生物过程,水分管理是影响稻田土壤N2O产生排放的重要因素之一。
- Therefore, recent study on relationship of N2O emission and soil properties has became the focus in the study of soil environment chemistry branch field in the global warming research. 因此,研究N_2O排放与土壤性质之间的关系已成为当前土壤环境化学领域的热点问题。
- Field experiments were carried out on Loess Plateau to investigate the effects of cropping on the physical and chemical properties, phosphatase activity, and N2O emission of upland soils. 摘要通过大田试验研究了黄土地区种植作物对旱作农田土壤理化性状、磷酸酶活性以及土壤N2O排放的影响。
- Meanwhile intact soil cores C2H2 incubation test was performed in the lab to study influences of wet and dry alternated on the N2O emission so that further to explain the field results. 并采用乙炔抑制原状土柱培养法,对土壤由湿变乾和由乾变湿过程中N2O变化进行了模拟。
- A laboratory soil incubation experiment, was conducted using soil from a wheat field in Shaanxi Province,to study, the influence of wheat roots soil moisture and temperature on N2O emission from soil. 以冬小麦田耕作层原状土为研究对象,采用了室内培养实验的方法,观测了小麦生长期不同阶段根系对土壤N2O排放的影响,及对土壤N2O排放的水、热效应的影响。
- The ICSU report suggests N2O emissions in general are probably more important than had been realised. 国际科学理事会的报告指出,整体来说,笑气的排放远比大家已经理解的程度还要严重。
- The goal of the study was to control the high N2O emissions by adding nitrification inhibitor dicyandiamide (DCD) during the development of cracks. 通过模拟对土壤进行复杂的、动态的水分含量变化过程中试验,探讨双氢胺抑制剂对其N2O释放的影响。