建立了一种同时测定烟叶中茄尼醇和辅酶Q10的反相高效液相色谱法。以匀浆萃取法作为样品的制备方法。色谱条件为:H IQ SIL C18V色谱柱(4.6 mm×250 mm,5μm),柱温25℃;流动相为V(乙腈)∶V(异丙醇)=8∶7,流速1.5 mL/m in;使用二级管...建立了一种同时测定烟叶中茄尼醇和辅酶Q10的反相高效液相色谱法。以匀浆萃取法作为样品的制备方法。色谱条件为:H IQ SIL C18V色谱柱(4.6 mm×250 mm,5μm),柱温25℃;流动相为V(乙腈)∶V(异丙醇)=8∶7,流速1.5 mL/m in;使用二级管阵列检测器,茄尼醇检测波长为215 nm,辅酶Q10检测波长为275 nm;进样量20μL。在该色谱条件下,茄尼醇和辅酶Q10的回收率分别为(100.05±1.25)%和(99.97±1.36)%。方法简单、快速、高效,适合于烟叶中茄尼醇和辅酶Q10的测定。展开更多
A simplified method has been proposed for finding two\|dimensional convolute integers, including central and none\|central point evaluation and multi\|convolution integers. The results are equal to the corresponding r...A simplified method has been proposed for finding two\|dimensional convolute integers, including central and none\|central point evaluation and multi\|convolution integers. The results are equal to the corresponding reports, but the calculation is much simple. The performance of 2D\|convolution for the detection of a minor compound in the presence of a main one is also discussed.展开更多
文摘建立了一种同时测定烟叶中茄尼醇和辅酶Q10的反相高效液相色谱法。以匀浆萃取法作为样品的制备方法。色谱条件为:H IQ SIL C18V色谱柱(4.6 mm×250 mm,5μm),柱温25℃;流动相为V(乙腈)∶V(异丙醇)=8∶7,流速1.5 mL/m in;使用二级管阵列检测器,茄尼醇检测波长为215 nm,辅酶Q10检测波长为275 nm;进样量20μL。在该色谱条件下,茄尼醇和辅酶Q10的回收率分别为(100.05±1.25)%和(99.97±1.36)%。方法简单、快速、高效,适合于烟叶中茄尼醇和辅酶Q10的测定。
文摘A simplified method has been proposed for finding two\|dimensional convolute integers, including central and none\|central point evaluation and multi\|convolution integers. The results are equal to the corresponding reports, but the calculation is much simple. The performance of 2D\|convolution for the detection of a minor compound in the presence of a main one is also discussed.
