| 1. | Trends and spatial distributions of methane emissions in beijing
北京地区甲烷排放的变化趋势和分布特征 |
| 2. | Analysis of effects of strata behaviors on face methane emission law
矿压显现对工作面瓦斯涌出规律影响分析 |
| 3. | Study on the relation between paddy field temperature and methane emission flux
稻田温度与甲烷排放通量关系的研究 |
| 4. | Probing into the law governing the methane emission of s1 - 4belt entry in changcun coal mine
4胶带平巷瓦斯涌出规律的探讨 |
| 5. | This article reviews the methods used to measure methane emissions from grazing animals
就有关放牧家畜甲烷气体的测定方法研究作了综述。 |
| 6. | Probe into the coal bed methane content and methane emission rate based on methane geological drawings
基于瓦斯地质编图中煤层瓦斯含量与瓦斯涌出量关联特征的探讨 |
| 7. | Methane emission rate prediction in fully - mechanized excavated faces based on initial speed of methane emission of coal wall
基于煤壁瓦斯涌出初速度的综掘工作面瓦斯涌出量预测 |
| 8. | By 3 , 000 years ago the technique had spread south into indochina and west to the ganges river valley in india , further increasing methane emissions
到了3000年前，此一技术扩展到中南半岛，西至印度的恒河流域，更增加了甲烷释放量。 |
| 9. | To complicate matters further , nitrous - oxide and methane emissions from farms far outweigh carbon - dioxide emissions in global - warming potential
为了将此焦点话题更加复杂化，一氧化二氮气体与沼气的排放量在全球变暖潜在因素中远远超过了二氧化碳的排放量并更具危害性。 |
| 10. | The characters of methane emission at the working face no . 14201 in shaqu coal mine were analyzed , the technical parameters to control methane by incline high - position alley pumping were optimized , and its control efficiency was investigated
摘要分析了沙曲矿14201工作面的瓦斯涌出特点，对倾斜高抽巷治理瓦斯的工艺技术参数进行了优化，观测了高抽巷治理瓦斯的效果。 |
