vfa
英
美
网络 挥发性脂肪酸; 挥发酸; 挥发性有机酸; 短链挥发性脂肪酸
复数：vfas
双语例句
- The VA, VMA and VFA and the other volume parameter has the important influence with the performance of asphalt mixtures mechanics performance, construction performance and pavement performance.
压实空隙率、矿料间隙率和沥青饱和度等体积参数对沥青混合料的力学性能、施工性能和路用性能有重要影响，三者之间也存在着相互制约关系。 - 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。 - 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 - In order to simulate the biodegradation of dewatered sewage sludge in landfill several parameters include TOC, VFA, TN that related to dry fermentation course of dewatered sewage sludge were measured.
为模拟污水厂脱水污泥在填埋场中的生物降解过程，进行了脱水污泥干发酵的实验研究。 - Landfill is still the main proposal method in China and it is the premise of pollution treatment and renewable using to inspect methane in landfill gas and volatile fatty acids ( VFA) in leachate.
在我国卫生填埋仍是垃圾处理的主要方式，对填埋气中的甲烷及垃圾渗滤液中挥发性脂肪酸含量的监测是进行污染治理及资源化利用的前提。 - High ammonia-N increased the VFA of the system.
高浓度氨氮会造成系统VFA浓度增加； - Study on VFA as biological phosphorus removal index
VFA作为衡量生物除磷指标的研究 - Two parts of the research were carried out in the present study: the determination of the proper condition of the acetate infusion and the influence of green grass addition on feed ruminal degradation.
本研究分三部分，第一部分研究了冲量法测定VFA产量的适宜条件；第二部分用尼龙袋法对青饲料添加对四种常用饲料营养成分的瘤胃降解的影响进行了评定。 - A treatment cycle of ASBR can be divided into two parts.
ASBR一个处理周期中SCOD和VFA的降解过程可以分为两个阶段。 - 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。 - 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； - 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。 - 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。 - When the pH value was kept at 7, lactic acid concentration was relatively low, and acetic and butyric acid were predominant VFA, while propionic acid took a relatively little part.
在pH为7时，水解酸化产物中乳酸浓度相对较低，VFA中主要以丁酸和乙酸为主，丙酸很少。 - The removal rate of COD is about 70%; the concentration of volatile fatty acid should be monitored in the anaerobic treatment of the wastewater.
COD去除率约70%，在厌氧反应器运行过程中，应注意出水挥发性脂肪酸VFA浓度的监测。 - The effects of forage to concentrate ratio on rumen bacteria, pH value, rumen fluid dilution rate ( FDR), ammonia ( NH3-N) and volatile fatty acids ( VFA) were reviewed in the article.
本文主要讨论了日粮精粗比对奶牛瘤胃内环境的影响，包括对瘤胃细菌菌群数量、瘤胃pH值、瘤胃内容物稀释率和外流速度、氨态氮浓度以及挥发性脂肪酸的影响。 - 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 - 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。 - 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。 - At present, the researches and applications of the fermentation of primary sludge is the most common.
目前国内外以发酵初沉污泥产生VFA的研究和应用较多。 - The results indicated that the concentration of ammonia nitrogen, the concentration and ratio of total volatile fatty acids ( VFA), and the number of ciliate protozoa were not significantly affected by increased RUP in the diet ( P> 0.1).
结果表明，RUP比例的提高对瘤胃液氨氮浓度、纤毛虫种类及其数量和挥发性脂肪酸浓度及其组成无显著影响（P>0.1）。 - The complete mix anaerobic digestion system was used to treat municipal solid waste ( MSW). The pH value and the VFA ( volatile fat acid) were analyzed under different conditions.
采用完全混合厌氧消化工艺处理城市垃圾，分析在不同条件下pH值和VFA（挥发性脂肪酸）的变化过程。 - The sensitivity of volatile fatty acid ( VFA) to environment acidity was much greater than pH value, so VFA could reflect the environmental change inside the reactor more accurately and quickly.
挥发性脂肪酸（简称VFA）对环境酸度的敏感程度要远大于pH值，VFA更能准确快速地反映出反应器内部环境的变化。 - The experiment studied the anaerobic digestion regularity and the limiting organic load of hogwash waste grease, by monitoring and analyzing the pH value, volatile fatty acid ( VFA), ammonia nitrogen, alkalinity, gas production and gas composition.
本试验通过监测分析系统的pH值、挥发性脂肪酸（VFA）、氨氮、碱度、产气量以及气体组分等参数，研究了泔脚废油脂的厌氧消化规律，寻求废油脂厌氧消化的极限负荷。 - 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。 - 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。 - With the biodegradation, the dominate bacteria and enzyme in the system are changed and replaced, which leads to the changes of pH and concentrations of VFA.
随降解活动的进行，体系中优势微生物、生物酶发生改变和更替，引起pH值和VFA含量变化。 - The results show that the potassium ferrate pretreatment can effectively increase the concentration of SCOD and VFA of the sludge, compared with the untreated sludge.
研究表明，与未经处理的污泥相比较，经高铁酸钾预处理后污泥的SCOD含量和VFA含量都得到了显著提高。