The mechanical properties of a tungsten heavy alloy were found mainly dependent on the particles size of raw tungsten powders and liquid-phase sintering temperature.
液相烧结态钨合金的力学性能主要与原始钨粉粒度及烧结温度有关。
The substances easy to coke including oil-gas in gas phase, the heavy fractions of oil-gas in liquid phase and the catalyst particles.
在重油催化裂化沉降器中结焦物质包括油气组分、油液滴和催化剂颗粒，结焦的环境和条件指沉降器内的物料流场、温度场和浓度分布情况。
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