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。
Commonly used for cast iron carbon additive materials are: artificial graphite, calcined petro coke, nature graphite, coke, and as the mixture with these materials.
人造石墨、煅烧石油焦、天然石墨、焦炭、以及用这类材料配成的混合料。
When iron became highly oxidized, so did diamonds; that is, they vaporized into carbon dioxide.
当铁被高度氧化时，钻石也被高度氧化；也就是说，它们蒸发成二氧化碳。
If we had all the whales we used to have, they would remove the same amount of carbon in a year as 200 of the most efficient iron fertilization events.
如果我们还有那些曾经有的所有鲸鱼，它们在一年内消除的碳量将相当于200次最有效的铁质施肥所产生的效果。
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。
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。
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 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。
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 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。
Pouring iron into oceans may combat global warming by feeding carbon dioxide-gobbling algae, but those algal blooms could become fountains of neurotoxin.
把铁倒入海水中以培养专门吞噬二氧化碳的藻类或许可以对付全球变暖，但是这些藻类的大量繁殖也可能产出大量的神经毒素。
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。
The idea is that since iron stimulates plant growth, ocean plants, which use carbon dioxide, could draw it into the sea, rather than let it rise into the atmosphere.
整个设想是这样的：既然铁能够促进植物生长，那么那些海洋植物就能够将它们能利用的二氧化碳气体拉入海中，而非任由其释放进入大气。
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。
In some places, though, iron is the limiting nutrient. Adding iron to such places should cause a bloom of planktonic algae, thus sucking carbon dioxide out of the atmosphere.
然而在一些地方却缺少铁物质，在这些地方添加铁物质可以产生茂密的浮游藻类，并因此能从大气层中吸取二氧化碳。
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。
This is because the atmosphere does not have an iron grip on the carbon-dioxide level in surface waters.
这是由于大气不能完全支配在水平面上的二氧化碳浓度。
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。
We can extract iron from haematite by heating it with carbon in a blast furnace.
我们可以把赤铁矿和碳在鼓风炉内一起加热来提取铁。
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。
A solid solution of ferric carbide or carbon in iron; cools to form pearlite or marten site.
含铁碳化物或含碳铁的固体溶体，冷却可形成珠光体或马氏体。
Applicable to high tensile strength metal grinding, such as general carbon steel, alloy steel, malleable iron hard bronze.
适用于中高抗张强度金属材料的磨削，如一般碳素钢，合金钢，可锻铸铁，硬青铜等。
The research describes the formation of Widmanstatten structure and martensite in iron-carbon alloys possessing a broad range of carbon contents and heat treated using a broad range of cooling rates.
该项研究描述了铁碳合金中魏氏组织和马氏体的形成，所用合金具有宽的碳含量范围，热处理时采用的冷却速率范围也是宽的。
Commonly used targets include gear teeth, slotted discs, shafts with keyways, etc. made of carbon steel, iron, or magnetic stainless steel.
常用的指标包括与键槽齿轮，开槽盘，轴等的碳素钢，铁，或磁性不锈钢制造。
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。
The carbon can't dissolve in ordinary solvents, but melted iron does dissolve carbon to a certain extent.
碳不溶于普通溶剂，但能在一定程度上溶于铁水。
The carbon can't dissolve in ordinary solvents, but melted iron does dissolve carbon to a certain extent.
碳不溶于普通溶剂，但能在一定程度上溶于铁水。
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