He said the company aims to remove in-demand metals such as nickel and cobalt from its batteries, without losing energy density.

他说，该公司的目标是在不放弃能量密度的情况下，从电池中去除镍和钴等需求大的金属。

Here is one of the largest suppliers, dredging the local canal to remove the heavy metals dumped in it.

这里是最大的供应商之一，疏浚当地的运河以清除倾倒在其中的重金属。

Metal hyperaccumulators like it could make it possible to remove metal pollutants from soils, which could be valuable here on Earth or even in future civilizations on Mars.

这类超积累植物能帮助我们去除土壤中的重金属污染物，这不仅在地球上很有意义，甚至在未来的火星文明中都很有价值。

So, very similar to before, we apply a photoresist, use a photomask, dissolve the exposed resist, and use a chemical to remove any exposed metal.

因此，与之前非常相似， 我们应用光刻胶， 使用光掩模， 溶解暴露的抗蚀剂，并使用化学物质去除任何暴露的金属。

Dr MacMillan came from the other end of the problem. He wanted to remove the metal (in this case copper) from the catalyst involved in a different process, the Diels–Alder reaction.

麦克米伦博士来自问题的另一端。他想从另一个过程——狄尔斯-阿尔德反应（Diels-Alder reaction）中的催化剂中去除金属（在这种情况下是铜）。