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In this paper, the corrosion of materials in carbonaceous atmospheres at high temperatures is reviewed, including metal dusting and internal carburization.

本文综述了材料在高温含碳气氛中的腐蚀,包括金属粉化和碳化,讨论了材料在含碳气氛中的腐蚀机理和腐蚀动力学。

"Inorganic compound Any substance in which two or more chemical elements other than carbon are combined, nearly always in definite proportions, as well as some compounds containing carbon but lacking carbon-carbon bonds (e.g., carbonates, cyanides)."

无机化合物:由两个或更多的碳以外的化学元素组成的化合物,几乎总是对称的,某些化合物含碳但缺少碳-碳化学键。

"Inorganic compound Any substance in which two or more chemical elements other than carbon are combined, nearly always in definite proportions, as well as some compounds containing carbon but lacking carbon-carbon bonds (e.g., carbonate s, cyanides)."

无机化合物:由两个或更多的碳以外的化学元素组成的化合物,几乎总是对称的,某些化合物含碳但缺少碳-碳化学键。

Provided are carbide derived carbon materials prepared by thermochemically reacting carbide compounds and a halogen containing gas and extracting all atoms of the carbide compounds except carbon atoms, wherein the intensity ratios of the graphite G band at 1590 cm -1 to the disordered-induced D band at 1350 cm-1 are in the range of 0.3 through 5 when the carbide derived carbon is analyzed using Raman peak analysis, wherein the BET surface area of the carbide derived carbon is 1000 m 2 /g or more, wherein a weak peak or wide single peak of the graphite (002) surface is seen at 2 = 25 DEG when the carbide derived carbon is analyzed using X-ray diffractometry, and wherein the electron diffraction pattern of the carbide derived carbon is the halo pattern typical of amorphous carbon when the carbide derived carbon is analyzed using electron microscopy.

提供了得自碳化物的碳,其通过热化学反应碳化物化合物和含卤族元素的气体并提取除了碳原子之外的碳化物化合物的全部原子制备,其中当使用拉曼峰分析法分析该得自碳化物的碳时,在1590cm -1 的石墨G波段与在1350cm -1 的无序引发的D波段的强度比为0.3至5,其中该得自碳化物的碳的BET表面积是1000m 2 /g或更大,其中当使用X射线衍射法分析该得自碳化物的碳时,在2θ=25°观察到石墨(002)面的弱峰或宽单峰,以及其中当使用电子显微法分析该得自碳化物的碳时,得自碳化物的碳的电子衍射图是代表无定形碳的晕图案。该发射体具有良好的均匀性和长寿命。可以使用比用于生产常规碳纳米管的方法更廉价的方法制备发射体。

The extent of intracolonial integration in massive hermatypic corals was investigated by carbon and nitrogen stable isotope analysis. The δ13C of coral tissues were higher than zooxanthellae.

本实验由垦丁地区采集团块状石珊瑚;分析珊瑚群体中不同位置的珊瑚组织及共生藻的的稳定性碳、氮同位素组成,以探讨含碳、含氮物质在珊瑚内之传递现象。

The indirect reduction rate of coal-bearing converter dust pellets is 20~35%, which is 10% higher than that of concentrate pellets. This also verifys the parameter in calculations.

5尘泥含碳球团还原过程中间接还原率高,达到20~35%,比一般精矿含碳球团高出10%以上,同时也验证了模型计算中取间接还原率30%左右是正确的。

CO is present in the exhaust gases of internal combustion engines and furnace s.

由于内燃机和各种炉子中的碳或含碳燃料未完全转化为二氧化碳,而在其废气中含有一气化碳。

Used for steel products for carburized effect of carbon compounds called carburizing agent.

用来对钢制品进行渗碳作用的含碳混合物称为渗碳剂。

The study of natural fullerenes is a new area of across fullerene science and geological science. So far natural fullerenes have been found in shungite, fulgurite, carbonaceous conglomerates in impact crater, E/K boundary carbonrich clay rock layer, T/P boundary layer, dinosaur eggshell, coal, heavy crude oil, solid bitumen and socalled seminatural fullerenes in common soots, Chinese ink sticks, commercial char, et al., only with low concentrations.

天然富勒烯研究是富勒烯科学和地质科学相交叉的一个新兴研究领域,迄今为止已在桑加岩、闪电熔岩、陨石撞击坑中的含碳质角砾岩、古近系/白垩系地层界线的含碳粘土岩、三叠系/二叠系界线岩石、恐龙蛋壳、煤、重质油、固体沥青以及半天然的烟灰、木炭、书墨等物质中检测到富勒烯的存在,但含量很低。

The solid residue of impure carbon obtained from bituminous coal and other carbonaceous materials after removal of volatile material by destructive distillation.

焦炭从烟煤和其他含碳物质中经过毁馏除去其中的易挥发物质而获取的含杂质碳的固体残余物,作燃料及炼钢之用

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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