The use of acid-base and humid environment on the corrosion of metal plating layer to test the corrosion resistance.
利用酸碱和湿热环境对金属的腐蚀性来测试电镀层的抗腐蚀能力。
According to the strength change of the FKJ mortar sample immersed in the alkali, acid and slat solution, test its ability of chemical resistance.
通过FKJ砂浆试件在碱、酸及盐溶液中浸泡后强度变化，试验其耐化学腐蚀能力。
The sulphuric acid erosion resistance of super-early and super-high strength concrete containing limestone powder and lithium slag was studied by means of accelerating cycle soak test.
采用周期浸泡加速试验方法，研究了石粉锂渣超早强超高强混凝土的耐硫酸腐蚀性。
Our products have been passed ce European shoes test and complied with the EN345 standards in terms of impact resistance, antistatic, oil resistance, penetration resistance, and acid resistance etc.
我们的产品已经通过欧洲鞋类CE质量测试，在防砸，防静电，耐油，防刺穿，耐酸碱等各项性能均通过了EN345权威认证。
The corrosion resistance of samples after passivation is studied in the experiment by humid-air accelerated corrosion test, nitric acid titrating test and the brine dipping test.
将黄铜片用上述三种溶液钝化处理后，通过湿热加速试验、硝酸点滴试验、盐水浸泡试验及电化学测试对耐腐蚀性进行了研究。
A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.
研究改进了现行的钢铁件常温黑化工艺，通过极化曲线测试、耐蚀性测试、寿命测试得到了性能良好的常温亚硒酸体系黑化液。
A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.
研究改进了现行的钢铁件常温黑化工艺，通过极化曲线测试、耐蚀性测试、寿命测试得到了性能良好的常温亚硒酸体系黑化液。
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