与其他类型的煤相比，褐煤的碳含量较低。

Lignite has a lower carbon content compared to other types of coal.

请指出低碳钢、中碳钢和高碳钢的碳含量范围，指出一些它们应用的实例。

Point out the range of carbon content of low-carbon steel, medium-carbon steel and high-carbon steel. Give some examples for their applications.

碳含量提高有利于铁素体晶粒细化.

The more pronounced ferrite refinement is achieved as carbon content increased.

随着碳含量的增加，渗碳体相也相应增加。

The cementite phases still increase with the increase of carbon content.

了解目前森林中的碳含量是非常重要的。

It's really critical that we understand what the current carbon content of the forest is today.

同层次内，梁峁顶部土壤碳酸盐碳含量最高，沟坝地的含量最低；

The carbonate carbon content in soil is the highest on the top of hills and the lowest in the gullies in the same soil layer.

在第一次预报时，初步计算出冶炼到达终点的时间和终点的碳含量；

It can give reliable predictions of end-point time and carbon content of molten steel in the first-round prediction.

静态和动态控制模型可提高冶炼效率，改善吹炼终点温度和碳含量命中精度，降低渣中铁含量。

Improvement of process efficiency, higher accuracy of end-point temperature and carbon content, Fe content decrease in slag can be achieved by the application of Static and dynamic model.

结果发现气孔与合金铸铁焊条碳含量及其熔化时间密切相关；

It was found that the formation of the porosities was closely related to the carbon content in alloying iron welding rod and the melting time.

文中分别对终点温度及终点碳含量预报模型的建立及网络的训练作了详细的介绍。

The building of the prediction model for end-point temperature and end-point carbon content has been detailed introduced.