2) rural household biogas digesters
农村户用沼气池
1.
Based on PCR-DGGE technology,the bacterial community of rural household biogas digesters was observed and monitored.
通过PCR-DGGE技术,对北京郊区一运行良好的农村户用沼气池的细菌多样性分析,分别在1、3、4、5月份采集沼气池的厌氧活性污泥样品,提取厌氧活性污泥微生物总DNA,对其16S rDNA基因的V3可变区进行扩增,结合DGGE(变性梯度凝胶电泳)技术,跟踪检测微生物的动态变化,并利用软件对DGGE图像进行聚类分析。
3) Rural household biogas
农村户用沼气
1.
Rural household biogas uses human and livestock manure as raw materials and its main products include biogas and biogas fertilizer.
本文以户用沼气的自然适应性评价为主要依据,以冻土和气温为主要指标,按照户用沼气池安全越冬和沼气常温厌氧发酵的自然适宜性标准,根据安全性、效率性、共轭性、行政区域的完整性等分区原则,把我国农村户用沼气的发展划分为南方自然适宜区、北方及川藏高原条件适宜区、高寒地带非适宜区等3大类型区,各类型区又分别划分为一定数量的亚区。
2.
Rural household biogas industry development level in the 31 provinces (cities, districts) of China can be divided into five different types by cluster analysis, which areⅠ highest-level area, Ⅱ higher-level area, Ⅲ middle-level area, Ⅳ lower-level area, and Ⅴ lowest-level area, etc.
本文以2005年中国31个省(市、区)农村户用沼气为研究对象,应用因子分析、聚类分析和回归分析,借助SPSS和ArcGIS软件,对中国农村户用沼气发展水平和空间分异格局进行分析探讨。
4) household biogas
户用沼气
1.
Evaluation on regional suitability of household biogas in the Loess Plateau in North Shaanxi Province—A case study of Yan an City;
陕北黄土高原农村户用沼气区域适宜性评价——以延安市为例
2.
Research on index system and classification standard for household biogas region suitability evaluation;
户用沼气区域适宜性评价指标体系构建及分级标准的研究
3.
Research on the regional risk of household biogas in rural areas of China based on crop straw resources
基于秸秆生物质资源的户用沼气区域风险研究
5) household methane
户用沼气
1.
The main restricting factors and countermeasures for popularizing household methane include economy,technology and policy.
普及户用沼气是新农村建设中解决农村能源问题的重大战略决策。
补充资料：沼气
| 沼气 biogas 有机物经微生物厌氧消化而产生的可燃性气体。由于这种气体首先在沼泽地被发现，故名。沼气是多种气体的混合物，一般含甲烷50％～70％，其余为二氧化碳和少量的氮、氢和硫化氢等。其特性与天然气相似。空气中如含有8.6％～20.8％（按体积计）的沼气时，就会形成爆炸性的混合气体。沼气除直接燃烧用于炊事、烘干农副产品、供暖、照明和气焊等外，还可作内燃机的燃料以及生产甲醇、福沼气动力灌溉尔马林、四氯化碳等化工原料。经沼气装置发酵后排出的料液和沉渣，含有较丰富的营养物质，可用作肥料和饲料。
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参考词条