用无铬化学方法在铸铝合金表面制得黑色转化膜，利用点滴试验评价了膜的耐蚀性能。
Black conversion film with non-chromate was obtained on a cast aluminum alloy by chemical methods, and the anticorrosion properties of the film were evaluated by means of dropping 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。
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.
我觉得我们打的点滴里，除了有他们正在试验的药物之外，肯定还有ED556——这种药几乎能把你的羞耻心给降到零点。
It felt like our drip had, in addition to whatever they were testing, some ED556 in it, which lowers your shame level to like nil.
采用点滴法测定了锐劲特对家白蚁（CoptotermesformosanusShiraki）的接触毒性，并进行了驱避作用试验。
The contact toxicity of fipronil to Coptotermes formosanus Shiraki and the repellent action were tested.
采用点滴法测定了锐劲特对家白蚁（CoptotermesformosanusShiraki）的接触毒性，并进行了驱避作用试验。
The contact toxicity of fipronil to Coptotermes formosanus Shiraki and the repellent action were tested.
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