1) inhibition efficiency
缓蚀率
1.
Volatile rust proofing sieve and closed space volatile weight-loss methods were adopted to study the inhibition efficiency of four volatile corrosion inhibitors(VCI).
采用气相甄别法和封闭空间挥发减量法研究了多种气相缓蚀剂(VCI)对铜器文物的缓蚀效果,以此为基础,研制出了缓蚀性能优异的复合气相缓蚀剂,其缓蚀率达到94。
2.
Results showed the inhibition efficiency above 90% for complex inhibitors.
采用EDS分析了取自江苏油田井盐钻井现场遭腐蚀的钻杆G105钢表面的腐蚀产物;为控制钻杆的腐蚀,提出了若干缓蚀剂并用动电位扫描法进行了筛选;用重量法对筛选出的缓蚀剂的缓蚀效果进行评定,结果缓蚀率超过90%;最后在钻井现场进行腐蚀环试验,结果表明缓蚀剂在现场使用过程中的缓蚀效果良好。
3) inhibitive efficiency
缓蚀率
1.
The character and inhibitive efficiency of the two commonly used oil field corrosion inhibitors(HJF-94 and WSL1) on the A3 steel immersed in simulated extracted water of the oil field in which carbon dioxide dissolves ware tested respectively with a weight-loss method,and the rate of corrosion and the inhibitive efficiency was determind.
采用失重法,测定了两种油田常用缓蚀剂(HJF-94和W SL-1)对浸没于含CO2的模拟油田采出水的A3钢的缓蚀作用,并计算腐蚀速率和缓蚀率。
4) inhibition rate
缓蚀率
1.
The inhibition rate was investigated by IR,static weightlossing method,Tafel polarization curve,SEM and energy spectrum analysis.
研究表明月桂酸与多胺在150℃和200℃于10 mmHg的真空度下两次分段脱水,合成出了月桂基环状咪唑啉;所合成的A、B两种缓蚀剂在用量很小的情况下缓蚀率可达90%以上,缓蚀剂B效果较稳定,用量增加对缓蚀率的提高影响不大,缓蚀剂A在月桂酸与羟乙基乙二胺摩尔比为1∶1。
5) corrosion efficiency
缓蚀率
1.
And it showed better corrosion efficiency at an immersion time of 24 h than at 40 min.
0时,添加复合缓蚀剂及不同杀菌剂对已腐蚀的试片缓蚀率变化幅度不大,均有很好的适应性;钨酸盐复合缓蚀剂主要体现的是抑制阳极反应为主的混合型缓蚀作用,24h后的缓蚀率比40min后测得的缓蚀率更高。
6) inhibition efficiency
缓蚀效率
1.
Weight losses of the steel N80 in static condition with high temperature high pressure and high CO2 and Cl-are tests for evaluating inhibition efficiency of TG500.
在高温高压高CO2和Cl-环境中,用静态高温高压模拟试验方法对不同浓度的TG500新型咪唑啉季铵盐缓蚀剂进行了缓蚀效率测试。
2.
The inhibitor is a negative catalytic and cathodic inhibitor and it owns good inhibition efficiency at the content of 300ppm.
实验表明 ,在静态海水中 ,浓度为 30 0mg/L的YKI - 0 5缓蚀剂能在 90 7A钢表面形成稳定的缓蚀膜层 ,是一负催化阴极型缓蚀剂 ,在实验周期内其对 90 7A钢的缓蚀效率较高 ;并用原子力显微镜 (AFM )和俄歇电子能谱 (AES)对该缓蚀膜的表面形貌和成分进行分析 。
3.
The relationship between inhibition efficiency and molecular structure of imidazole and its derivants was studied by quantum chemistry calculation.
结果表明 ,缓蚀效率 η与缓蚀剂分子的EHOMO,ELUMO和偶极矩D之间存在较好的多元线性回归关系 η =- 5 47EHOMO+10 8 2 1ELUMO- 8 2 8D - 39 90 ,相关系数r为 0 986 。
补充资料：缓蚀率
分子式：
CAS号：
性质：缓蚀剂的作用效率。由加和未加缓蚀剂时的腐蚀速度通过计算而得，而腐蚀速度通常可采用失重法、极化曲线法、线性极化法、化学分析法等测定。计算公式为：I(%)=100(R0-R1)/R0；式中，I为缓蚀率；R0为未加缓蚀剂时的腐蚀速度；R1为添加缓蚀剂后的腐蚀速度。
CAS号：
性质：缓蚀剂的作用效率。由加和未加缓蚀剂时的腐蚀速度通过计算而得，而腐蚀速度通常可采用失重法、极化曲线法、线性极化法、化学分析法等测定。计算公式为：I(%)=100(R0-R1)/R0；式中，I为缓蚀率；R0为未加缓蚀剂时的腐蚀速度；R1为添加缓蚀剂后的腐蚀速度。
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