The influence of phytic acid and additive added in molybdate-passivation solution for tinplate on the corrosion resistance of the passivation film was studied by copper sulfate spot test and electrochemical method. 采用硫酸铜点滴试验和电化学测试方法,研究了在钼酸盐溶液中加入植酸和添加剂对镀锡钢板钝化膜的影响。
At the same time, by taking acid testing, work curve scope testing, co-exist elements effect, recycle test, a fast analysis method for molybdenum in steel has been established. 同时,通过酸度试验、工作曲线线性范围测定、共存元素影响、回收试验等,建立了钢中钼的快速分析方法。
Chitosan functional polymer containing Schiff base group was synthesized by chemical modification of amino group of chitosan with α ketoglutaric acid ( KCTS). The synthesis conditions were optimized by orthogonal test method. 利用壳聚糖C2位上活泼氨基与α酮戊二酸进行大分子反应,采用正交试验法优化合成条件,合成了带有席夫碱基团的功能高聚物(简称KCTS)。
Development and application of acid neutralization speed test method for marine cylinder oil 船用气缸油酸中和速度试验法的研究及应用
Development and setting up of acid neutralization speed test method for marine cylinder oil, investigation and determination of test condition were introduced. 介绍了船用气缸油酸中和速度测定法的建立及试验条件的确定;
In order to study the inhibitory effect of combination of nisin and ethylene diaminetetraacetic acid ( EDTA) on enterotoxin Escherichia coli ( ETEC), quantitative bacteriostatic test method was used to carry out laboratory bacteriostatic test. 为研究乳酸链球菌素(nisin)与四乙酸乙二胺(EDTA)联合作用对产毒性大肠杆菌抑菌作用,采用定量抑菌试验方法,进行了实验室抑菌试验。
Nucleic acid amplification test of blood donations in blood bank Evaluation of Pyruvate Oxidase Method to Detect ALT in Blood Donor Screening 核酸扩增检测在血液筛查的初步应用丙酮酸氧化酶法在献血者血液筛查中的应用分析
~ ( 13) C-octanoic acid breath test may represent a feasible method for measurement of gastric emptying. 13C-辛酸呼气试验是检测胃排空的理想选择。
Antioxidative activities of lactic acid bacteria and the test method 乳酸菌抗氧化活性及检测方法
With its outstanding characters, the optimal test sequence can be achieved. The proposed method is applied to the fault diagnosis of reaction temperature in industrial purified terephthalic acid ( PTA) oxidation process. The effectiveness of the method is therefore proved through the exemplification. 将其应用于工业精对苯二甲酸(purifiedterephthalicacid,PTA)生产过程中的对二甲苯氧化反应温度的诊断结果表明了提出方法的有效性。
1% Ferric chloride test method, Citronellal-hydrochloric acid test method and Ferric chloride-potassium ferricyanide test method for the analysis of phenolic compound and tannin; 酚类化合物和鞣质可用1%三氯化铁试法、香草醛盐酸试法、三氯化铁铁氰化钾试法分析;
Biodegradable Poly ( lactic acid) Nonwoven Test Method for Determining the Biodegradable Fabric 可生物降解聚乳酸非织造布可生物降解织物的降解性能测试
The acidic compound disinfectant contains peracetic acid and hydrogen peroxide as the main germicidal ingredients. In order to observe its germicidal efficacy and toxicity, suspension quantitative germicidal test and animal test method were used to carry out laboratory study. 酸性复合消毒剂主要杀菌成分为过氧乙酸与过氧化氢,为观察其杀菌效果及其毒性,采用悬液定量杀菌试验和动物试验方法进行了实验室研究。
By selecting suitable acid mediums and the recovery test, accuracy of the method is assessed. The relative standard deviation ( RSD) is less than 1.00%, and the recoveries 97.3-103.2%. 4. 通过选择合适的酸介质以及加标回收试验,验证了方法的准确度,其相对标准偏差(RSD)均小于1.00%,加标回收率在97.3-103.2%。
It is presented that the influences of the parameters such as duration, temperature, concentration and plating thickness in porosity test by Nitric acid vapor is applied. The orthogonal test method was adopted to reduce the test times and make the data analysis easier. 本文采用硝酸蒸汽加速腐蚀实验法,研究时间、温度、浓度、镀层厚度对镀金层微孔率检测的影响,并利用正交实验设计解决多因素下实验次数多、分析数据难的问题。
While easily online detected parameters, such as plate thickness, coiling temperature, acid temperature and flow, were selected using orthogonal test method to predict the acid endpoint based on BP neural network. 按正交试验方法从生产线收集易于在线检测的钢板厚度、卷取温度、酸液温度、酸液流量四个工艺参数的数据,采用BP神经网络模型来预测酸洗结束时间。