碱值,base number英语短句,例句大全

碱值,base number
1)base number碱值
1.Linear Sweep Voltammetry(LSV) as a new method of detecting the total base number of lubricant was introduced.介绍了润滑油总碱值测定的一种新方法—线性伏安法,基本原理是用已知量的过量酸与油样中的碱性物质反应,用电活性物质苯酚钠与样品中剩余酸反应,用线性伏安法测定苯酚钠的变化,计算油品的总碱值。
2.The alkylphenol sulfonate with a base number higher than 280 mgKOH/g was synthesized using alkylphenol,sulfuric acid and calcium oxide as raw materials.以烷基酚、浓硫酸、氧化钙等为原料,通过对磺化及金属化反应过程中的主要影响因素进行优化考察,合成了碱值在280mgKOH/g以上的烷基酚磺酸钙,理化分析与实验室模拟评定结果表明,所合成的新型烷基酚磺酸钙清净剂极压抗磨性、抗氧化性及清净性等性能较普通磺酸盐有明显改善,电镜观测结果表明,该剂具有良好的胶体结构。
3.A set of test device and test method was established to determine the carbonate content and the ratio of base number contributed by carbonates to the total base number of the detergent.设计了测定润滑油金属清净剂中碳酸盐与酸反应放出二氧化碳的实验装置,建立了测定金属清净剂中碳酸盐含量及碳酸盐碱值占总碱值份额的方法;对影响测试结果的因素进行了考察,确定了测试过程中的适宜操作条件。

英文短句/例句

1.pH [water quality objective]酸碱值〔水质指标〕
2.Relationship of nicotine conversion rate with individual alkaloid contents and Anat/Nnic in burley tobacco白肋烟烟碱转化率与生物碱含量及新烟草碱/降烟碱值的关系
3.determination of base number-perchloric acid potentiometric titration method碱值测定方法-高氯酸电位滴定法
4.Study of Appling FTIR to Determine Base Number of In-use LubricantsFTIR测定在用润滑油碱值的快速方法
5.PH: The potintial of hydrogen. Aterm which is used to describe the degree of acidety or alkalinity of a substance or solutio such as a sheet of paper or fountain solution.酸碱值:用来表示物质或溶液的酸度或碱度的术语。
6.Optimal pH is 7.4. Above 7.4 tends to alkaline. Below 7.4 tends to acid.理想的酸碱值应该是7.4，高于7.4便是偏向碱性、低于7.4便是偏向酸性。
7.Alkalinity: The state or quality of being alkaline, having a pH of more than 7. Also called Causticity.碱度:具有强碱的性质，其ph值高于七。
8.Standard ofr maximum alkali content in concrete混凝土碱含量限值标准
9.Having a pH greater than7.碱性的ph值大于7的
10.(chemistry) relating to or containing an alkali; having a pH greater than 7.（化学）与某种碱相关或者含有某种碱；ph值大于7。
11.ACV(alkali centrifuge value)碱离心值（树脂整理织物的特征参数）
12.alkali centrifuge value碱离心值（织物树脂整理的特征参数）
13.Comparison and commentary the pH value of acid-base properties of the date of washing products日化洗涤品的酸碱性pH值比较及解说
14.Effects of Binding the Stem Tops after Topping with Tampons Soaked with α-NAA Solution on Nicotine Content and Sugar-nicotine Ratio in the upper Leaf of Fluecured Tobaccoα-萘乙酸棉球扎顶对烤烟上部烟叶烟碱含量及糖碱比值的影响
15.hydrogen ion indicator氢离子[浓度]指示剂，酸碱指示剂，pH值指示剂
16.Q: How will PlugCareplus affect PH?穴盘专用（加）料对酸碱度（H值）有怎样的影响？
17.Value of anion GAP used in the diagnosis of triple acid-base disorbers in chornic cor pulmonale阴离子隙诊断慢性肺心病三重酸碱失衡的价值
18.Both cases showed extremely low levels of alkaline phosphatase.两个病人之血中碱性磷酸酶皆呈现极低之数值。

相关短句/例句

TBN碱值
1.THE INFLUENCE OF THE CRYSTAL FORM OF DETERGENT ON THE DETERMINATION OF TBN;清净剂晶型分布对碱值分析的影响
2.DETERMINING THE TBNS OF LUBRICATING OILS AND ADDITIVES WITH POTENTIOMETRIC TITRATOR;自动电位滴定法测定润滑油及添加剂的碱值
3.The model of predicting the TBN of sulfonate detergent was established through selecting the carbonate functional group as the characteristic peak of FT-IR spectra.用红外光谱法研究了磺酸盐清净剂的组成和结构,并以碳酸根官能团的红外光谱特征峰为依据,建立了磺酸盐清净剂碱值的预测模型,并与现行评定方法相关联,预测准确度较高,相对误差小于5%。
3)total base number总碱值
1.A new method for rapid determining the total base number (TBN) of internal combustion engine oil by voltammetric techniques was described, the result determined by voltammetric technique was compared with that by standard method.介绍了用伏安法快速测定内燃机油总碱值新技术,并将伏安法测定结果与标准方法测定结果进行了比较。
2.This paper briefs the application of total base number surveying to the whole course of equipment lubrication management.对总碱值检测法在设备润滑的全过程管理中的应用进行了介绍。
4)nicotine threshold烟碱阈值
5)super-high base number超高碱值
6)total acid (base) number总酸(碱)值