使用简便的方法制作了电极面积大、无死体积、分辨率高、检测限低的微型电导池；
A new kind of miniature conductivity cell was made with a clever and handy method, which has no dead volume and has large area of electrode, high resolution and sensitivity.
多数稳定性冠心病患者的血清心肌肌钙蛋白t水平低于传统检测方法的检测低限。
In most patients with stable coronary artery disease, plasma cardiac troponin t levels are below the limit of detection for the conventional assay.
苯的检出限低至1 p g，优于配备氢火焰检测器的实验室气相色谱仪两个数量级。
The detection limit is as low as 1pg for benzene, two orders of magnitude better than the gas chromatograph with FID.
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