1) strong acid number

强酸值
2) strong-acid number

强酸中和值
3) strong acid

强酸
1.
On line Measurement of the Concentration of Strong Acid by Using Ultrasonic Velocity;

用声速法在线测量强酸溶液的浓度
2.
Through several methods of mixing aramid fiber,corona treatment,coupling agent treatment and strong acid treatment,the improvement of bonding strength between PBO fiber and epoxy resin as well as interlaminar shear strength were examined.
对PBO纤维表面性能的改善进行了研究,考察了混杂芳纶纤维、电晕处理、偶联剂处理及强酸处理等多种方法对PBO纤维与环氧树脂表面粘接强度及其复合材料层间剪切性能的影响程度,比较了各种方法的改性效果及各自优缺点。
3.
The influence of the molar ratio of formaldehyde to urea on free formaldehyde content (FFC) was studied in strong acid and weak acid.
在强酸和弱酸性条件下 ,就甲醛与尿素的量比对游离甲醛含量的影响进行了试验 ,得到了强酸下低游离甲醛含量脲醛树脂胶粘剂 (UFRA)合成的最佳甲醛与尿素的量比 ;合成出了具有 3,5二氮杂 -二氢 - 1,4砒喃酮 (URON)结构、低毒的UFRA 。
4) acid value

酸值
1.
Preparation of biodiesel by a two-step catalyzed method from waste cooking oil with high acid value;
两步法利用高酸值废油脂生产生物柴油
2.
Influence factors of high acid value in the preparation of rice bran oil;

米糠制油生产中酸值升高影响因素的研究
3.
Discussion on testing method of PTA acid value;

PTA酸值测试方法的探讨
5) acidity
[英][ə'sɪdəti] [美][ə'sɪdətɪ]

酸值
1.
Based on the problems of low viscosity index and the acidity increasing in the lubricating base oil,it has been found that the unstable quality of the crude oil was the root cause to effect on the quality of the base oil by analysis for long time;the low viscosity index and the higher acidity were resulted from the low paraffinicity and the high content of aromatics,cyclane.
针对润滑油基础油相继出现的黏度指数降低、酸值升高等问题,跟踪分析了润滑油基础油质量,认为原油的变化是造成润滑油基础油质量变化的根本原因;基础油组成中烷烃含量降低,芳烃和环烷烃含量上升是其酸值上升和黏度指数下降的内在原因。
2.
The items of saponification numbers and acidity of the synthetic beeswax made from catalyze-oxidation of paraffin were tested and discussed by four standard-testing methods.
采用4种标准测试方法,对由石蜡催化氧化制取人造蜂蜡的皂化值和酸值进行了测定和讨论。
3.
Potentiometric determination of the acidity of petroleum products in non-aqueous matrix is reported.
本文建立了非水介质中石油产品酸值测定的电位滴定法,方法快速简单,适用于不同油品酸值的测定。
6) acid number

酸值
1.
Introduce the composition of naphthenic acid and two methods about the determination of acid number.
介绍了石油酸的组成及国内测定原油酸值的两种方法,对采用不同方法测定原油酸值产生的差异进行分析,建议采用电位滴定法测定原油的酸值。
2.
It is researched the linear sweep Voltammetry(LSV)to determinate acid number of lubricating oil,the result exhibits the repeatability and reappearance ability of linear sweep Voltammetry can satisfy the requirements of GB/T264.
研究了用线性伏安法测定润滑油的酸值,结果表明,线性伏安法的重复性和再现性能够满足GB/T264方法的要求。
3.
The amidation reaction was carried out at 170 ℃ for 150 min to give the prepolymer of polyamide with acid number of 37.
研究了反应温度、反应时间对产物酸值、胺值和阳离子度的影响。
补充资料:脂肪酸中和值
分子式:
CAS号:
性质:中和1g脂肪酸所需要的氢氧化钾量(mg)称为脂肪酸的中和值。
CAS号:
性质:中和1g脂肪酸所需要的氢氧化钾量(mg)称为脂肪酸的中和值。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条