目的研究牙龈卟啉菌381对纯钛及钛75合金种植体表面失泽腐蚀。
AIM To study the tarnish induced by Porphyromonas gingivalis 381 on implant denture surface of titanium and ti 75 alloy.
本文采用涂有机涂料和使用缓蚀剂的方法来解决铜及其合金的失泽和腐蚀问题。
In this paper, certain organic coatings and corrosion inhibitors are applied to the surface of metal - lic artifacts of Cu and its alloys to solve the problem of tarnish and corrosion.
尽管在本届世界杯上，特雷泽盖的表现让人失望，且在法国队与意大利队的决赛中打失了关键的一粒点球。
The Frenchman had a disappointing World Cup and missed the vital spot-kick in the penalty shoot-out with Italy in the final.
“我们的防守很坚固，未失一球-这很重要，”卡拉泽说。
"The defence did well and didn't concede any goals - which is important," said Kaladze.
特雷泽盖在世界杯决赛中射失了点球，但是现在注意力都集中在获得明年夏天欧洲杯资格赛的比赛中去了。
Trezeguet was the one who missed a penalty in the World Cup final, but the attention is firmly on qualifying for next summer's European Championships now.
特雷泽盖在世界杯决赛中射失了点球，但是现在注意力都集中在获得明年夏天欧洲杯资格赛的比赛中去了。
Trezeguet was the one who missed a penalty in the World Cup final, but the attention is firmly on qualifying for next summer's European Championships now.
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