acid number
英 [ˈæsɪd ˈnʌmbə(r)]
美 [ˈæsɪd ˈnʌmbər]
酸值
双语例句
- Acid number of lubricating oil can be obtained by neutralizing standard acid solution and alkalinity substance of aqueous phase.
用标准酸溶液中和水相中的碱性物质，即可获得润滑油的酸值。 - A laboratory study of using esterification technology to reduce the acid number of high acid crude
酯化方法降低高酸原油酸值技术的实验研究 - Preparation and Performance of the Catalyst for Esterification Deacidification of Crude Oil with High Naphthenic Acid Number
高酸原油酯化脱酸催化剂的制备和性能 - Determination of Acid Number for Various Lubricating Oils Based on Potential Jump
基于电位突跃的润滑油酸值测定方法 - Results show that three materials have little effect of inhibiting the raise of acid number.
结果表明，三种包装袋对抑制酸价升高的作用不大。 - Effect of compound packaging material on acid number and peroxide value of Cantonese cured meat during storage was studied in this research.
通过不同复合包装材料NY/PE、PET/AL/NY/PE、PET/PE在广式腊肉中的应用，研究了对广式腊肉过氧化值和酸价的影响。 - The influence of static thermal degradation on colloidal performance of Lithium-Calcium base grease was studied by the centrifugal oil separation test, dropping point test and acid number test.
利用离心分油试验机、油浴滴点测定仪和酸碱滴定仪分别考察了静态热老化对锂-钙基润滑脂胶体性能的影响。 - With the function of regeneration, and can bring down the acid number of FRF efficiently.
具有再生功能，有效降低抗燃油酸度。 - Study on Esterification for reducing total acid number of high acid crude oil by mg/ al oxides
Mg/Al氧化物催化高酸原油酯化降酸的研究 - But it is difficult for end point determination in modified polyester polyol system. Therefore potentiometric titration is used for determination of acid number of polyester imide, as well as pH indicators.
但是对于改性聚酯多元醇，用酚酞作为指示剂其终点难以判断，故采用电位滴定法测聚酯亚胺多元醇的酸值，同时使用各种酸碱指示剂用来指示滴定终点，结合两者得出一个最佳的指示剂。 - The initial potentials of polyester imide polyol and standard curve of acid number are given, which are helpful for determination of the acid numbers of different samples at same conditions.
提供了聚酯亚胺多元醇起始电位值与酸值的标准曲线图，能快速、简便地查出相同条件下不同样品的酸值。 - The results show that water content and acid number raise, flash point and burning point drop and the density of ferromagnetism particles increase slowly along with the increasing mileages.
结果表明，随着行车里程的增加，在用发动机油的含水量和酸值增高，闪点和燃点降低，铁屑浓度缓慢增加； - Supplemental clay treatment could improve the acid number, color and anti-oxidation property of the transformer oil.
白土精制能改善油品的颜色、酸值及抗氧化安定性等； - Analyses of physical-chemical parameters showed that acid number of the oil is very low, only 1.1 mg/ g.
通过分析油的理化参数表明，其酸值低，仅为1.1mg/g。 - Conventionally, acid number is determined by use of phenolphthalein as indicator.
通常测定酸值时，一般使用酚酞作为指示剂。 - Processing conditions of ammonia extraction of naphthenic acid from high acid number crude oil with complex solvent was studied in the laboratory.
对复合溶剂氨法抽提高酸值原油环烷酸抽提工艺条件进行了实验室研究。 - Pulp oil of ⅱ contained more free fatty acids ( acid number 2.9 mg KOH) and carotinoids ( 419.3%).
来自乌兹别克斯坦的沙棘果油中包含更多的游离脂肪酸（酸量2.9mg氢氧化钾）和类胡萝卜素（419.3%）。 - The inspection value of viscosity, acid number, and oxidation stability do not range much.
粘度、酸值、氧化安定性的检验数值变化不大； - The paraffin wax is oxidized without catalysts by the self made experimental apparatus, and the acid number ( AN) and the ester number ( EN) of oxidized wax are correlated with the reaction conditions using artificial neural network ( ANN).
在自制的石蜡氧化装置上对石蜡进行了无催化剂氧化，并利用人工神经网络将氧化蜡的酸值和酯值与石蜡氧化条件（反应温度、空气流量和反应时间）进行关联。 - The weighting function and evaluation standard are set up, which take viscosity, moisture, filter paper spot, acid number and total basicity number as the target system.
本方法以粘度、水分、滤纸斑点、酸值和总碱值为评价指标体系，建立了其权重集和评价标准。 - Methods: By using the the methods in Pharmacopoeia to determine the acid number, iodine number, saponification value, specific gravity, refractive index and content.
方法：采用药典方法对亚麻油的酸值、碘值、皂化值、比重、折光率、含量进行测定。 - Research on easy method of the acid number in oils
油中酸值简易测定方法的研究 - New Method for Analysis of Acid Number in Polyester Imide Polyols
聚酯亚胺多元醇酸值分析的新方法 - The acid number, the acidic components distribution and their content of heavy oil in Gucheng Oilfield.
研究了河南油田稠油的酸值、酸性组分分布及含量、碱/聚合物/原油的界面张力； - The process caused no evident difference to acid number and peroxide value of the product.
这种制作微囊的方法未对鳗骨油的酸价、过氧化值等品质指标产生显著的影响。 - It was proven that acid number determination by potentiometric titration is simple and accurate for measuring the total content of organic acids in bio-oils.
结果表明，电位滴定法测定酸值能够快捷而准确地实现对生物油中的有机酸总量的分析，这也为评价生物油的酯化改质提供了新的物性指标和分析方法。