The lunar soil (regolith) contains iron, aluminum, calcium, silicon, titanium, and oxygen, as well as trace amounts of lighter elements such as carbon, sulfur, and nitrogen.
月球的土壤(风化层)含有铁、铝、钙、硅、钛和氧等元素，此外还发现有大量较轻元素如碳、硫和氮等。
2
In lab tests, Barron and li used silicon dioxide to treat P25, which is a commercial form of titanium dioxide.
在实验室测试中，巴伦·和李使用P 25二氧化矽治疗，这是一种商业形式的二氧化钛。
3
Comprising of seven tiny layers — each one is 50-100 nanometers in height — the coating is made of silicon dioxide and titanium dioxide nanorods positioned at an oblique Angle.