Severe corrosion prevention for materials in oceaneering.
海工程中的材料重腐蚀防护。
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Shawn worked long days cleaning, cutting and welding the raw materials for the granaries, and once construction began he was usually on-site in Malad. When he and Dad came home, hours after sunset, they were nearly always cussing.
连日以来肖恩都在为仓库清洗、切割和焊接原材料,旦开,他几乎常驻马拉德。日落几小时后他和爸爸回到家时,两人几乎总是骂骂咧咧。
Material scientists are trying to replace glass lenses with something lighter and smaller based on " meta surfaces" or engineered materials In this meta-surface lens, tiny towers of titanium dioxide are arranged in a specific pattern to focus light.
材料科学家正试图用基于“元表面”或材料更轻、更小东西代替玻璃透镜。在这种元表面透镜中,微小二氧化钛塔以特定图案排列以聚焦光线。