CAJ | 학술논문

运用离子选择性电极、调理电路、DAQ卡和计算机,构建基于LabVIEW 8.0的电位法测定振荡反应虚拟仪器系统,实现自动采集振荡反应系统电位的变化,实时绘制振荡曲线,存储处理测量数据,自动报告测量结果.虚拟仪器可多路同步,方便快捷地用电位法研究振荡反应,系统操作简便、人机界面友好,避免人工处理数据的繁琐,提高了测量的准确性和重现性.系统测定B-Z振荡反应结果表明,能实时同步绘制出双振荡曲线,其表观活化能测定结果相对误差＜0.7%.
운용리자선택성전겁、조리전로、DAQ잡화계산궤,구건기우LabVIEW 8.0적전위법측정진탕반응허의의기계통,실현자동채집진탕반응계통전위적변화,실시회제진탕곡선,존저처리측량수거,자동보고측량결과.허의의기가다로동보,방편쾌첩지용전위법연구진탕반응,계통조작간편、인궤계면우호,피면인공처리수거적번쇄,제고료측량적준학성화중현성.계통측정B-Z진탕반응결과표명,능실시동보회제출쌍진탕곡선,기표관활화능측정결과상대오차＜0.7%.
The virtual instrument system for determining oscillating reaction by potential based on LabVIEW 8.0 was constructed by ionselective electrode,homemade adjusting circuit,data acquiring board and computer.It Can realize automatically acquiring the potentialchanges in the oscillation reaction system,real-time drawing oscillation curve,data storage and processing,and automatically reportingthe measurement results.The virtual instrument system has advantages of adopting multiplexed operation,sgnchronous operation,con-veniently and quickly using potential method to study oscilating reaction,friendly man-machine interface,easily operating and avoidingthe complexity of manual processing of data,thus improving the accuracy and repeatability of measure ment.It can synchronously andin real-time draw two-oscillation curve when it is applied to determine the B-Z oscillation reaction,and the relative error of the apparentactivation energy measurement is less than 0.7%.