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The prepared microemulsion diesel oil have favourable cold endurance which is better than 0(superscript #) diesel oil. It can be held for 205~424 days in ambient temperature. And the cautery is 1A which doesn't cauterize the diesel.

结果表明,制备出的柴油微乳液具有较低的运动粘度,比0柴油具有更优异的耐低温性能;室温稳定时间为205~424d;各样品的腐蚀度均为1A级,不会对内燃机造成腐蚀。

The results show that the samples exposed to the air previously for 24 h can be passivated automatically in acetic acid solution with Cl- with the corrosion potential remaining 100mV.No such phenomenon was observed for samples which were cathodically polarized with the corrosion potential stabilizing at a value of -242±3mv. The passive film formed by anodically polarizing is more proof than formed in the air.

研究还发现:在空气中放置24小时后的试样在Cl-醋酸溶液中能自钝化,自腐蚀电位为100mv;经阴极极化后的试样在Cl-醋酸溶液中不能自钝化,其自腐蚀电位为-242±3mv;经阳极极化形成的钝化膜比在空气中自然形成的钝化膜更致密。

Due to the corrodibility of soil and roughness of corrosion protection presently, old fuel gas pipes in Shen Zhen suffer severe corrosion, confronting a great deal of accidents after more than ten years' running.

摘要由于深圳土壤的强腐蚀性和当初防腐工作的粗糙和不完善,深圳旧燃气管道遭受严重的腐蚀,经过十多年的运行,腐蚀老化严重,已经到了事故多发阶段,因此对旧燃气管道进行防护势在必行。

It has been found that flip chip without and with underfill encapsulation has different corrosion modes. Possible failure mechanism was presented.

实验发现,倒装芯片封装在使用和不使用下部填充料的情况下具有完全不同的铝腐蚀模式,并阐述了可能的腐蚀机理。

Because fully avoiding of environmental erosion is difficult, the research on the corrosion damage of the super-duralium is still one of the affairs of the first magnitude.

由于环境腐蚀介质的侵蚀不可能完全避免,因此,有关超硬铝合金构件的腐蚀损伤,仍然是航空领域中十分重要的研究内容。

It disperses equably and never delaminates and deposites within the time of acid pickling. The static corrosion rate tor carbon steel is 0.6g-m-2-h-1 and the efficiency of corrosion inhibition is 99.02%;the dynamic corrosion rate is below 4g-m-2-h-1 and corresponding efficiency is 95.61%.

在酸洗时间内溶液分散均匀,不发生分层、沉淀现象:标准酸洗条件下,对A3钢的静态腐蚀速率为0.6g·m~(-2)·h~(-1)以下,缓蚀率为99.02%:流速为0.4m/s的动态腐蚀速率控制在4g·m~(-2)·h~(-1)以下,缓蚀效率达95.61%。

The results showed that when retrogressed by electrical current heating at 200 ℃ the tensile strength in re-aged 7A04 alloy extrusion bar of 60 mm in diameter reached 620-640 MPa and a uniform elongation appeared from central part to surface layer of the sample while the fracture time in test of resistance to stress corrosion under a load stress of 375MPa in 3%NaCl+0.5%H2O2 corrosion solution was greater than 30 d.

结果表明,直径60 mm的7A04铝合金棒材在200℃电流直接加热回归后再时效,从心部到表层的拉伸强度为620-640 MPa,延伸率均匀一致;在3%NaCl+0.5%H2O2水溶液介质中和375 MPa应力下的应力腐蚀断裂时间大于30d,而辐射式加热回归的为575 MPa,延伸率从心部至表层表现极不均匀,应力腐蚀断裂时间只有19 d。

The results showed that when retrogressed by electrical current heating at 200℃the tensile strength in re-aged 7A04 alloy extrusion bar of 60 mm in diameter reached 620- 640 MPa and a uniform elongation appeared from central part to surface layer of the sample while the fracture time in test of resistance to stress corrosion under a load stress of 375MPa in 3%NaCl+0.5%H_2O_2 corrosion sol...

结果表明,直径60 mm的7A04铝合金棒材在200℃电流直接加热回归后再时效,从心部到表层的拉伸强度为620-640 MPa,延伸率均匀一致;在3%NaCl+0.5%H_2O_2水溶液介质中和375 MPa应力下的应力腐蚀断裂时间大于30 d,而辐射式加热回归的为575 MPa,延伸率从心部至表层表现极不均匀,应力腐蚀断裂时间只有19 d。

Product formation lined face, smooth and strong, with the traditional steel-lined tank plastic board, glass-steel-lined steel tank, it has a better corrosion-resistant, non-leaking, non-peeling, wear-resistant, long life, etc., corrosive liquid is ideal for shipping container storage and transportation, can be applied to 100 ℃ the following motor transport tanks, low pressure tanks, vacuum tanks, reaction vessel, the exchange column, pickling tank, trough, such as electroplating.

产品内衬面平整、光滑、坚固,与传统的钢衬塑料板储槽、钢衬玻璃钢贮槽相比,具有更良好的耐腐蚀、不渗漏、不剥离、耐磨损、寿命长等优点,是装运腐蚀液体的理想储运容器,可应用于100℃以下的汽车运输槽罐、低压罐、真空罐、反应釜、交换柱、酸洗槽、电镀槽等。

Product formation lined face, smooth and strong, with the traditional steel-lined tank plastic board, glass-steel-lined steel tank, it has a better corrosion-resistant, non-leaking, non-peeling, wear-resistant, long life, etc., corrosive liquid is ideal for shipping container storage and transportation, can be applied to 100 ℃ the following motor transport tanks, piping, low pressure tanks, vacuum tanks, reactor, fermentation tanks, ion-exchange columns, pickling tank, sedimentation tanks, and cans , the crystallization of cans, cans enrichment, plating tank, pickling tank and so on.

产品内衬面平整、光滑、坚固,与传统的钢衬塑料板储槽、钢衬玻璃钢贮槽相比,具有更良好的耐腐蚀、不渗漏、不剥离、耐磨损、寿命长等优点,是装运腐蚀液体的理想储运容器,可应用于100℃以下的汽车运输槽罐、管道、低压罐、真空罐、反应釜、发酵罐、离子交换柱、酸洗槽、沉淀罐、中和罐、结晶罐、浓缩罐、电镀槽、酸洗槽等。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。