英语语法分析

Raman spectra of boron carbonitride (BCN) nanotubes made by thermal decomposition under different temperatures and with different catalysts were analysized.

对不同温度和不同催化条件下用高温热解法制备的硼碳氮(BCN)纳米管的拉曼光谱进行了分析。

The results show that niobium increment retains the formation of pearlite and makes fraction of acicular ferrite and fine niobium carbonitride niobium increase.

研究结果表明，铌含量的提高抑制了珠光体的形成，促进了针状铁素体的形成，细小的碳氮化铌析出相增多；

The invention relates to an engineering material, particularly to a titanium carbonitride-base metal ceramic material for sealing pumps, valves and other machines.

本发明涉及一种工程材料，是适用于泵类、阀类等机械密封用的碳氮化钛基金属陶瓷材料。