1·Low silicon iron tailings are a mine solid waste with very low utilization rate.
低硅铁尾矿是一种利用率极低的矿业固体废物。
2·In order to obtain low silicon iron for steelmaking the reduction process of silicon must be controlled in blast furnace.
为了获得低硅炼钢生铁，必须控制高炉内硅的还原过程。
3·It is suitable for production transformation of the ore furnace producing industrial silicon and silicon iron because of no need for technical renovation.
最适合生产工业硅及硅铁的矿热炉的转产，无须进行技术改造。
4·Therefore transportation of sulphuric acid valve is usually a high silicon iron pump (casting and machining difficult), high-alloy stainless steel pumps (on the 20th alloy) manufacturing.
因此输送硫酸的泵阀通常采用高硅铸铁泵(铸造及加工难度大)、高合金不锈钢泵(20号合金)制造。
5·After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.
毕竟，太阳中任何元素的原子，比如说铁，都比陨石标本的原子要多得多，但这两种物质中铁和硅的比例可能是可以比较的。
6·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。
7·The second most abundant element is silicon at 27 percent, followed by aluminum at 8 percent, iron at 5 percent, calcium at 4 percent, and sodium, potassium, and magnesium at about 2 percent each.
第二丰富的元素是硅，占到27%，再其次是铝、占8%，铁5%，钙4%。硫、钾和镁每种占大约2%。
8·For every 1 million atoms of hydrogen in the sun, there are 98,000 of helium, 850 of oxygen, 360 of carbon, 120 of neon, 110 of nitrogen, 40 of magnesium, 35 of iron, and 35 of silicon.
太阳中每100万个氢原子对应9万8000个氦原子、850个氧原子、360个碳原子、120个氖原子、110个氮原子、40个镁原子、35个铁原子和35个硅原子。
9·Another line of research is to explore the use of photovoltaic (solar cell) materials other than silicon - such as iron oxide, which might be even cheaper to produce.
研究的另一个方向是挖掘光电池的潜在利用价值，比如制造成本更低的氧化铁。
10·Almandine being red-brown rhombododecahedron consists of iron, aluminium and silicon, containing trace elements of calcium and magnesium.
铁铝榴石呈红褐色，菱形十二面体晶形，化学成分以铁、铝、硅为主，含钙、镁等微量元素。