Methane from rice paddy is one of major contributor to methane emission.
稻田是甲烷的重要排放源之一。
In addition, wetland soils are known for methane emission, a greenhouse gas.
此外,湿地散发沼气这种温室气体,是人所共知的。
Different cropping systems also resulted in seasonal variations of methane emission.
耕作制也影响稻田甲烷排放的季节变化规律。
The methane emission peak of early rice appeared in young panicle differentiation stage of rice.
早稻甲烷排放峰值出现在水稻幼穗分化期,晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
Methane emission was higher from late rice fields than from early rice fields, in all treatments.
各处理晚稻田甲烷排放总量高于早稻田甲烷排放总量。
Research progress in recent years on methane emission from rice fields in China was summarized briefly.
简要综述了我国近年来在稻田甲烷排放研究中取得的进展。
The results showed that methane emission had obvious daily and seasonal variation law in rice-duck complex ecosystem.
结果表明:稻鸭复和生态系统中甲烷排放具有明显的日变化规律和季节变化规律。
It confirmed that the amount of methanogens was the one of main factors of amount of methane emission in paddy fields.
从而证实了甲烷细菌数量是决定水稻田中甲烷释放量的主要因素之一。
Main results for this study are as follows: 1. The study on methane emission law of wetland rice-duck complex ecosystem.
主要研究结果如下。1 .湿地稻-鸭复合生态系统甲烷排放规律的研究。
It has been found that the effects of soil fe and Mn on soil methane emission were caused by affecting soil Eh and root plate.
土壤中铁、锰通过对土壤氧化还原电位及根膜形成的影响而影响甲烷的排放。
The advances in the research of methane emission from rice paddies and related soil properties and environmental factors are reviewed.
本文对水田甲烷排放通量的研究进展及有关的土壤和环境因素作了综述。
To use the drilled coal core site desorption data can get a drop-down curve of abandoned mine methane emission rate versus time approximately.
用钻孔煤心现场解吸数据可以近似得到废弃矿井甲烷涌出速度对时间的下降曲线。
Biological characteristics of methane emission were compared among Oryza sativa, Panicum crus-galli and Cyperus difformis growing in paddy soil.
比较了生长于淹水田间的水稻、稗草和异型莎草甲烷排放的生物学特性。
The results show a great variation in methane emission during the rice growing season, and the peak values appear during tillering period and fruiting period.
结果表明:在水稻生医季节甲烷排放通量变化很大,在分蘖期和成熟期一般会出现峰值。
Therefore, control of methane emission during landfilling operation was important for reducing methane emission from municipal solid waste landfills in China.
因此,调控填埋作业期间的甲烷排放是我国控制生活垃圾填埋场甲烷排放总量的关键之一。
The improvement of soil oxidation-reduction status of wetland rice-duck complex ecosystem was one of the reasons which resulted in decrease of methane emission.
湿地稻-鸭复合生态系统土壤氧化还原状况的改善是降低甲烷排放的原因之一。
To integrate the curve of abandoned mine methane emission rate versus time to infinity against time, can get abandoned mine CBM resources at the time of estimating.
对废弃矿井甲烷涌出速度对时间的曲线按时间积分到无穷大,可以得到计算时刻的废弃矿井资源量。
In this paper, the experimental design for monitoring methane emission flux from rice paddy in Guangzhou area with automatic sampling and analyzing system is introduced.
本文介绍了采用甲烷自动采集及分析测量系统在广州地区进行稻田甲烷排放通量监测的试验设计。
Rice plants play a pivotal role in methane emission and more than 90% of CH4 released from a rice field during a growing season can be emitted by rice plant-mediated transport.
水稻植株是稻田甲烷(CH4)排放的重要通道,90%的CH4气体由水稻植株通气组织排放到大气中。
Taking the bio-compost as landfill cover can oxidize methane more effectively than traditional soil cover layer, and maybe a latent technology for landfill methane emission reduction.
垃圾填埋场覆盖层土壤具有一定的甲烷氧化功能,土壤特性、环境条件影响甲烷氧化能力。
It is pointed out that any strategy to be employed for reducing methane emission from rice paddies should not cause reduction of rice yield and increase of other greenhouse gas emissions.
指出用于减少水田甲烷排放的措施不应导致水稻的减产和引起其它温室气体排放的增加。
The methane emission from soil to the atmosphere is mostly through rice plants, only small amounts of methane is released across the water-air interface via bobbles or molecular diffusion.
后者主要是通过水稻植株向大气释放,只有少量通过气泡或分子扩散从水田土壤通过田面水层向大气排放。
New formulae for calculating the methane emission from caved goaf and broken coal have been derived. Finally, the formulae for calculating the total amount of methane emission and minimum...
为采空区和采落煤炭的沼气涌出量推导出新的计算公式,并在此基础上提出了综采面沼气涌出量和最小供风量的计算式。
The first method can mitigate methane emission significantly, and it's social and environmental benefits are better than the second one. But the economic benefit of the second one is prominent.
沼渣肥替代有机肥的减排效果较好,社会效益和环境效益明显优于杂交稻替代常规稻,但杂交稻替代常规稻的经济效益很显著。
This paper discussed methane emission, the reasons for methane reduction in up corner, problems should be considered in the condition of change from normal ventilation into downriver ventilation.
对下行通风时瓦斯涌出及下隅角瓦斯减少的原因进行论证,对上行风改为下行风应注意的问题进行了论证。
New formulae for calculating the methane emission from caved goaf and broken coal have been derived. Finally, the formulae for calculating the total amount of methane emission and minimum air q...
为采空区和采落煤炭的沼气涌出量推导出新的计算公式,并在此基础上提出了综采面沼气涌出量和最小供风量的计算式。
The emission of methane and nitrous oxide is largely the result of agricultural activities; nitrous oxide from fertilisers and methane mostly from cows.
甲烷和一氧化二氮的排放主要是农业活动的结果:一氧化二氮源于化肥而甲烷主要来自奶牛。
The document will also point out that the emission of methane by cows is responsible for 4 per cent of the UK's greenhouse gases.
起草文件中还指出,英国排放的温室气体中,有4%要归咎于因养殖奶牛而产生的甲烷。
The document will also point out that the emission of methane by cows is responsible for 4 per cent of the UK's greenhouse gases.
起草文件中还指出,英国排放的温室气体中,有4%要归咎于因养殖奶牛而产生的甲烷。
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