VFA

Effect of Yeast Culture on Activities of Fiber Hydrolytic Enzymes and VFA in Goat Rumen

酵母培养物对山羊瘤胃纤维素酶活及挥发性脂肪酸的影响

Effects of clenbuterol on the hepatic flux of nitrogen , vfa and glucose in sheep

克伦特罗对绵羊肝脏氮、挥发性脂肪酸和葡萄糖流量的影响

High ammonia - N increased the VFA of the system .

高浓度氨氮会造成系统VFA浓度增加；

However , VFA was one of most important Fermentation physiology index .

而反刍动物瘤胃内VFA是一项很重要的发酵生理指标。

VFA is a very important control index in the anaerobic reactor operation .

挥发性脂肪酸（VFA）是厌氧反应器运行中重要的控制指标。

Effect of different nutritive levels on rumen VFA for Chinese Yak

不同营养水平对牦牛瘤胃内VFA的影响

Study on VFA as biological phosphorus removal index

VFA作为衡量生物除磷指标的研究

The rumen fluid VFA of Chinese Yak varying with different raising conditions

不同饲养条件下牦牛瘤胃内VFA的变化

A fast gas chromatographic analysis of VFA in anaerobic digestion

沼气发酵液中挥发性脂肪酸的快速气相色谱法测定

A Design of Reciprocal Amplifier Based on VFA

基于VFA互易放大器设计

Application of UASB and VFA in Anaerobic Treatment of Brewery Wastewater

UASB及VFA在啤酒废水厌氧处理中的应用

In addition , the modeling also shows better simulation results for VFA 、 MLVSS and pH .

另外，该模型也表现出对VFA、MLVSS和pH有较好的模拟结果。

The supplementation of selenium increased VFA concentration of ruminal fluid .

日粮中添加硒提高了瘤胃中VFA的浓度。

Total VFA and acetic production supported the stimulatory effect of SBM and fish meal .

添加SBM和鱼粉导致较高总VFA和乙酸产量，说明对纤维降解有刺激作用；

There were no significant effect of zinc sources on ruminal VFA concentration ( . P > 0.05 ) .

锌源添加与否及添加锌源的类型对各时间点瘤胃VFA无明显作用（P＞0.05）。

The water leakage VFA density gradually reduces , moreover along with the gas pressure increasing , which reduces more and more obviously ;

出水VFA浓度逐渐降低，而且随着气体压力的增加，降低越来越明显；

Interrelationship between Bacteria Density and VFA Yield When the Leaving Ruminal Microbial Flora in Changing Eco-Environment

不同生境下瘤胃菌丛菌体密度与VFA的关系

The kinetic constants and VFA accumulation in reactors showed that substrate degradation could be inhibited by increased dye concentrations .

从动力学常数以及挥发性脂肪酸（VFA）的积累情况来看，随着染料浓度的增加，外加基质的降解会受到抑制。

Effects of Fiber Digestion and VFA in the Rumen on the Methane Production in Steers of Different Type of Diets

阉牛不同日粮的纤维消化、瘤胃内VFA对甲烷产生量的影响

In the same addition level , methane decreasing extent tended to lower than the content to which total VFA and gas production decreased .

在同等挥发油添加浓度下，甲烷的降低幅度的趋向明显高于VFA和产气量的降低幅度。

The changes of pH , COD removal rate , VFA and alkalinity were investigated during the ABR start-up period .

研究了ABR在启动过程中pH值、COD去除率、VFA及碱度的变化。

The Study of Improving the Yield of VFA in the Hydrolysis and Acidification of Two-Phase Anaerobic Digestion of Kitchen Wastes

提高厨余垃圾厌氧消化水解酸化阶段挥发性脂肪酸产率的技术研究

The VFA and amylose in sludge leachate increased to a large degree during the running , while protein and EPS showed less increase .

污泥沥滤液中VFA、多糖呈现较大幅度增加，而蛋白质和EPS增加幅度较小。

Increase in recycling flux would alleviate acidification degree in the hydrolytic reactor and decrease volatile fatty acids ( VFA ) accumulation .

适当地增加循环流量，可以减轻水解反应器的酸化程度，避免挥发性脂肪酸（VFA）的积累对水解微生物的活性产生抑制。

Effect of ruminal peptides and NH3-N concentration by infusion of VFA and glucose to rumen and abomasum respectively

瘤胃、真胃分别灌注挥发性脂肪酸和葡萄糖对瘤胃肽、氨氮浓度的影响

VFA removal of methane phase , activated sludge and BAC was 56 % , 21.2 % and 21.8 % , respectively .

厌氧段占VFA总去除的56%，好氧段为21.2%，BAC段为21.8%；

The results show that lack of carbon source , especially VFA , in the influent and shorter anaerobic HRT are key factors to limit nutrient removal .

结果表明，进水中的碳源特别是挥发性脂肪酸（VFA）不足和厌氧水力停留时间（HRT）太短是导致脱氮除磷效果不佳的主要原因。

The alkalinity , accumulation of volatile fatty acids ( VFA ) and pH were in the desirable limits for anaerobic digestion process .

在试验过程中，反应器碱度、VFA积累量以及pH值均在厌氧消化工艺的正常范围内。

The varieties of VFA along the reactor makes it clear that the acidogenic and methanogenic are separated in the ABR .

反应器中VFA沿程浓度的变化表明，在反应器中存在产酸相和产甲烷相的分离。

N the suspended sludge system , when VFA were used as carbon source , the optimal PH was equal to 7.5 and when the PH values were diverted .

在悬浮污泥系统中，当以挥发性脂肪酸为碳源时，适宜的pH值是7.5。