Some also contain iron and carbon.
有些小行星还含有铁和碳。
Steel is an alloy of iron and carbon. Coking coal is a source of carbon in the smelting process.
钢是铁与碳的合金，焦煤便是熔炼过程中碳的来源。
The blast furnace (BF) sludge, containing iron and carbon, is valuable and necessary to be recovered.
高炉瓦斯泥中含有大量的铁、碳，是很好的炼铁原料。
It is in addition to iron and carbon containing silicon, manganese, elements such as phosphorus and sulfur.
据中除铁和碳之外，含有硅、锰、磷和硫等元素。
This paper studies in detail on extracting iron and carbon from fine coal ash. At the same time, it suggests the ways of future making use of fine coal ash.
本文就采用选矿方法从粉煤灰中提取铁和碳作了系统的研究，同时提出了进一步利用粉煤灰的途径。
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。
Dust is a major source of iron, which is vital for plankton and other organisms that draw carbon out of the atmosphere.
灰尘是铁的主要来源。而铁对于浮游生物和有机物来释放二氧化碳是至关重要的。
They replace half the iron with copper, and make crystalline nanoparticles of the resulting compound, which they coat on a cloth-like carbon substrate.
研究小组用铜代替了二分之一的铁，并用纳米晶体来制作所需要的化合物，在碳棒的底部穿上了化合物这件衣服。
The debris, which came from an asteroid that was once 125 miles long, showed little carbon and high levels of calcium and iron.
碎片来自125英里长的小游星，由微弱的碳和大量钙、铁组成。
Carbon, oxygen, iron, and the like had to wait for stars-especially the massive ones-to form and create heavier elements via nuclear fusion.
碳，氧，铁等等元素(尤其是重元素)要等恒星形成后在其漫长的核聚变中产生。
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。
Washables can have a lower carbon footprint, but only if you have an energy-efficient washing machine, use a 60-degree wash cycle, limit yourself to 24 nappies, and don't tumble dry or iron them.
只有在你有一个高能效的洗衣机，使用60度洗衣周期，限制在24片尿布以内，不要甩水和熨干的情况下，可洗尿布的碳足迹才会相对比较低。
Dump iron into the sea to boost plankton growth and soak up carbon dioxide from the atmosphere.
向海洋中倾倒铁以促进浮游生物生长来吸收大气中的二氧化碳。
The researchers say the carbon-iron-cobalt catalyst completed the conversion of hydrogen and oxygen into water, rather than producing large amounts of hydrogen peroxide.
研究者称碳铁钴复合催化剂能完全将氢气与氧气转化成为水，而不是产生大量双氧水的副产物。
A few grandiose projects have also been suggested, such as giant parasols in space or adding iron to the ocean to encourage planktonic algae to grow and soak up carbon dioxide.
例如在太空中架设巨型遮阳伞，或在海洋中加入铁元素，以促进浮藻的生长并吸收二氧化碳。
Researchers at Los Alamos National Laboratory have developed a platinum-free catalyst in the cathode of a hydrogen fuel cell that uses carbon, iron and cobalt.
作为阴极氢燃料调查的新型催化剂，它是由碳、铁以及钴三种原料组成。
The researchers reckon that the extra iron boosted growth rates and carbon-dioxide consumption between two - and threefold.
研究人员估算由铁导致的额外生长的浮游生物以及二氧化碳吸收量大约是原水平的2到3倍。
For carbon steel and low alloy steel iron welding.
用于铸铁碳钢不锈钢和低合金钢的焊接。
Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
灰口铁--一种铁碳和硅的合金；易于铸造；在铸态下具有很好的压力紧固性。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
You bring iron ore from one part of the planet, carbon , limestone, you put it into this reactor and you ship this all over the world.
你得到钢铁从地球的一个地方，还有碳，石灰岩，将它们放入这个反应器，你将它运送到世界各地。
Hiro gives Baymax a carbon fiber suit of armor to protect his soft underbelly and creates an Iron Man-like power fist for him that can be launched at evil targets.
为了保护大白柔软的腹部，小宏为他制作了碳纤维铠甲，还为他创造了像钢铁侠一样的火箭拳套，能有效地攻击坏人。
The rods are made from thermoplastic carbon-fibre composite, which has a high tensile strength that rivals traditional building materials like steel and iron, and could help to reinforce the building.
拉杆是由热塑性碳纤维复合材料制成的，与传统的建筑材料如钢铁和铁制品相比，它具有高强的抗拉强度，有助于加强建筑稳定性。
For cast iron, carbon steel, alloy steel, stainless steel cutting and grinding processing, especially the grinding effect is very good.
用于铸铁、碳钢、合金钢、不锈钢的切削和磨削加工，尤其磨剂效果甚佳。
Sure. Steel is an alloy of the element iron with a small amount of carbon and some other element.
当然知道。钢是以铁为主要成分的一种合金，它含有少量的碳和一些其他元素。
Found trace elements of iron, chromium, manganese and carbon.
找到东西的成分是铁，铬，锰以及碳。
Steel and cast iron also differ in carbon.
钢铁和锻造钢铁中的碳含量不同。
The principal elements are antimony, iron, carbon and oxygen in an antimony blast fUrnace.
炼锑鼓风炉中主要元素为锑、铁、碳和氧。
The principal elements are antimony, iron, carbon and oxygen in an antimony blast fUrnace.
炼锑鼓风炉中主要元素为锑、铁、碳和氧。
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