Based on full and accurate field materials, the distribution characteristic of methane in shallow stratum of Shanghai is analyzed in this paper.
针对上海地下工程中遇到的浅层沼气地质灾害问题,本文搜集分析了大量的实测资料,总结了上海地区浅层沼气的产出和分布规律,并最终尝试从地质灾害的角度对其进行分区。
The controlled roles of coal－ accumulation by paleostructure and paleogeography and sedimentary environment have been explained, through analysis and study of Late Paleozoic coal－ bearing strata in Ningxia Region.
通过对宁夏晚古生代含煤岩系的分析研究，阐述了古构造、古地理、沉积环境对煤层聚积的控制作用。
You obviously don't know anything about methane deposits.
你不是也不知道这有沼气聚集吗.
Must be some kind of methane buildup.
应该是沼气集聚起来了.
A person who lives in or frequents bogs.
沼泽地居民住在或经常集聚在沼泽地的人
Study on Standardized Technology of the Auxiliary-heating-container Type Biogas Engineering;
辅热集箱式沼气工程标准化技术研究
The collection of designs for household hydraulic biogas digesters in rural areas
GB/T4750-1984农村家用水压式沼气池标准图集
Design and construction of 3MW centralized biogas plant combined with heat,power and fertilizer production
3MW集中式热电肥联产沼气工程设计与建设
Main measures include biomass gasification projects for centralized biogas supply and large-scale biogas energy-environment projects
主要实施生物质气化集中供气系统工程和大型沼气能环工程。
Gas bubbles coalesce to grow as they rise.
气泡在上升中聚集成长。
Condensing Process and Mechanism Analysis of Compact Spinning System with Inspiratory Groove
气流槽聚型集聚纺纱系统集聚过程及机理分析
MSA methanometer
MSA 型沼气检定仪
Water and Energy Saving Technology for Chinese Solar Greenhouses
日光温室的集雨灌溉与沼气增温增二氧化碳技术
Biogas Purifying Technology in Large and Medium Scale Biogas-Projects;
大中型沼气工程的沼气净化技术研究
Crystalline Morphology of Gas Assisted Injection Molded iPP Part
气辅助成型聚丙烯制品的结晶聚集态
after-damp n.[U]poisonous mixture of gases after the explosion of firedamp in a coal-mine
（煤矿沼气）爆炸后的毒气.
from 280 million to 310 million years ago; warm climate; swampy land.
气候温暖，多沼泽地。
Gases bubbled up from the mud.
气泡从泥沼中冒了上来。
bubble up from the mud
(气体)从泥沼中冒上来
Hirschback method
上部平巷排放沼气法