Solid state reaction and liquid state reaction were used in preparing ZnO .The result showed that the efficiency of decolorization is related to the pH value of dyes solution,irradiation time, as well as the intensity...Solid state reaction and liquid state reaction were used in preparing ZnO .The result showed that the efficiency of decolorization is related to the pH value of dyes solution,irradiation time, as well as the intensity of irradiation. After irradiation with sun light for 3h,the decolorizing efficiency was up to 90% when the concentration of dyes was 20 mg/L, the amount of catalyst was 40 mg and the acidity was pH 6 in 50 mL dye solution.展开更多
用微相吸附-光谱修正（MPASC）新技术研究核酸与多色蓝（PCB）探针分子间的相互作用,分析核酸分子内双静电膜的形成与 Langmuir吸附的关联性.通过pH 7.24的介质核酸-PCB反应的光谱研究,测定了结合产物的物理化学参数:结合比IPCB:2DNA-PC...用微相吸附-光谱修正（MPASC）新技术研究核酸与多色蓝（PCB）探针分子间的相互作用,分析核酸分子内双静电膜的形成与 Langmuir吸附的关联性.通过pH 7.24的介质核酸-PCB反应的光谱研究,测定了结合产物的物理化学参数:结合比IPCB:2DNA-PCB、IPCB:3RNA-PCB,平衡常数KDNA-PCB=5.42 X 104,KRNA-PCB=2.82 x 104,摩尔吸收系数ε（DNA-PCB,625nm）=5.65x103（mol-1·L）·cm-1,ε（RNA-PCB,625nm）=3.85x103（mol-1·L）·cm-1结果表明,RNA分子仅形成约60％双螺旋结构链,核酸双螺旋每一周期的负静电沟最大聚集10个PCB分子.该吸附反应用于核酸样品测定,结果良好.展开更多
文摘Solid state reaction and liquid state reaction were used in preparing ZnO .The result showed that the efficiency of decolorization is related to the pH value of dyes solution,irradiation time, as well as the intensity of irradiation. After irradiation with sun light for 3h,the decolorizing efficiency was up to 90% when the concentration of dyes was 20 mg/L, the amount of catalyst was 40 mg and the acidity was pH 6 in 50 mL dye solution.
文摘用微相吸附-光谱修正（MPASC）新技术研究核酸与多色蓝（PCB）探针分子间的相互作用,分析核酸分子内双静电膜的形成与 Langmuir吸附的关联性.通过pH 7.24的介质核酸-PCB反应的光谱研究,测定了结合产物的物理化学参数:结合比IPCB:2DNA-PCB、IPCB:3RNA-PCB,平衡常数KDNA-PCB=5.42 X 104,KRNA-PCB=2.82 x 104,摩尔吸收系数ε（DNA-PCB,625nm）=5.65x103（mol-1·L）·cm-1,ε（RNA-PCB,625nm）=3.85x103（mol-1·L）·cm-1结果表明,RNA分子仅形成约60％双螺旋结构链,核酸双螺旋每一周期的负静电沟最大聚集10个PCB分子.该吸附反应用于核酸样品测定,结果良好.
