Severe corrosion prevention for materials in oceaneering.
海洋工程中材料重腐
。
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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,一旦程开
,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的。
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”或程材料的更轻、更小的东西代替玻璃透镜。在这种元表面透镜中,微小的二氧化钛塔以特定图案排列以聚焦光线。