英语语法分析

Emphases resid in the problems of choosing an efficient color space, deciding threshold and matching feature points.

重点研究了颜色空间的选取、目标识别中确定阀值的策略及特征点的选取方法。

The factors influencing coking within resid fluid catalytic cracking(RFCC) disengagers and the mechanism are analyzed.

分析了重油催化裂化（RFCC）沉降器结焦的影响因素和机理。

Increases in throughput, resid blending ratio and gasoline octane as well as drop in coke yield can be obtained after the catalyst mixing.

使用混兑催化剂可提高渣油掺炼比，降低焦炭产率，提高装置处理量，并可提高汽油辛烷值。