优化色谱条件，提高检测灵敏度。
The conditions of chromatography was optimized, and the detection sensitivity improved.
可采用加准直器和光量子积分降噪的方法提高检测灵敏度。
Quantum integration noise reducer and collimator can be used to improve the inspection sensitivity of the system.
在电极表面修饰特殊的化学基团，能提高检测灵敏度和选择性。
Modification of specific chemical groups on the electrode surface can improve the detection sensitivity and selectivity.
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