试验表明：活性硫改善了齿轮油的极压性，对抑制铜腐蚀性、防锈性能和抗氧化性能均有不利的影响。
It is concluded that active sulfur compounds may improve the oil's EP property but harm inhibition of copper corrosion, antirust property and anti-oxidation stability.
金属腐蚀性试验结果对不锈钢，铜无腐蚀，对碳钢、铝基本无腐蚀性。
There are no erosion to stainless steel and copper and little erosion to coal, steel and aluminum.
大家知道著名的科学家爱迪生一生共花费了整整十个年头，经历五万次左右的试验，才把容易腐蚀的铜硫酸电池改造成蓄电池。
It's well-known that famous scientist Edison in life spent a full-ten year and conducted about 50000 experiments to change an easily-eroded copper-vitriol battery into an accumulator.
采用室内模拟加速试验装置，对紫铜、青铜、黄铜和白铜等几类铜及铜合金，在不同泥沙含量的海水中的冲蚀情况及腐蚀速率进行了研究。
The erosion rate and morphology of nine kinds copper and copper alloy, including brass and bronze, were investigated in sea water with different silt content through indoor simulated tests.
在沈阳土壤腐蚀试验中心站现场原位测试了土壤的理化性质和纯铜的腐蚀速率变化情况。
In-situ measurement of corrosion rate of copper and soil physicochemical factors was carried out in Shenyang soil site.
通过一年的遮雨和未遮雨大气暴露试验，研究了纯铜在沈阳城市大气环境下的初期腐蚀行为。
Atmospheric corrosion of pure copper under sheltered and unsheltered exposure condition during 1 year period in Shenyang atmosphere was studied.
通过一年的遮雨和未遮雨大气暴露试验，研究了纯铜在沈阳城市大气环境下的初期腐蚀行为。
Atmospheric corrosion of pure copper under sheltered and unsheltered exposure condition during 1 year period in Shenyang atmosphere was studied.
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