After the 6th day, the related acidification rate decreased progressively due to methane fermentation.
第六天后。因甲烷发酵使相对酸化率递减。
The research for the microflora in spent pulping liquor methane fermentation with alkaline treatment is reportecl.
纸浆 黑液用于沼气发酵过程中的微生物区系进行了研究。
This paper reports for the experimental study of continuous methane fermentation by using Eupatorium adenophorum Spreng.
研究了紫茎泽兰预处后沼气连续发酵的产气潜力。
The greenhouse gas figure equates to 18% of man-made greenhouse gas emissions, largely thanks to the methane and nitrous oxide animals' "enteric fermentation".
畜牧业产生的温室效应气体，大部分由甲烷沼气和动物肠内发酵及粪尿处理产生的氮氧化物，总量占到人为产生温室气体的18%。
Improving animals' diets to reduce enteric fermentation and consequent methane emissions, and setting up biogas plant initiatives to recycle manure.
改善动物膳食以减少肠内发酵及其导致的甲烷排放，并建立沼气厂对粪便进行再循环处理。
The present research was conducted to investigate the influence of saponins on rumen fermentation and methane production in vitro and growth performance of growing Boer goats.
本课题以皂甙为试验材料，研究了皂甙对瘤胃体外发酵和甲烷产量以及动物生长性能的影响。
The Major natural sources of atmospheric methane include enteric fermentation in ruminants and some insects, and the anaerobic decomposition of organic matter in waterlogged soils.
甲烷的主要自然源包括反刍动物和一些昆虫的肠发酵及淹水土壤的有机物的厌氧分解。
The sawdust and adsorbed carbon hydrogen was used to produce methane through anaerobic fermentation system. The original sawdust and used sawdust rich in organics were experimented.
采用厌氧发酵系统，利用被吸附的有机物和锯末作为碳、氮源进行了吸附前后锯末的厌氧发酵试验，生产有用的发酵产品。
The static and dynamic tests of methane production from food wastes hydrogen-fermentation residue were done.
试验结果表明：产氢残渣进行甲烷发酵是可行的。
After the methane tank has been built, all links of the fermentation starting are the keys of producing the quality gas early.
沼气池建成后，发酵启动的各个环节是早产气、产好气的关键。
Methane, which can be produced on a large scale by fermentation of algae, is a biomass energy source and a carbon-neutral clean energy source.
大型海藻发酵生产甲烷属生物质能，是一种碳中性的清洁能源，是重要的海洋生物碳汇。
The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane;
所述方法包括使发酵混合物中的有机物质发酵到生成包括甲 烷的沼气；
The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane;
所述方法包括使发酵混合物中的有机物质发酵到生成包括甲 烷的沼气；
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