O435.1 98031429用转动镜头纸提高成像质量=Improving the qual-ity of imaging by using rotating lens paper[刊,中]/陈丽(广东工业大学数理系.广东,广州(510090))∥光电子·激光.—1997,8(4).—287—290提出了用转动镜头纸作为...O435.1 98031429用转动镜头纸提高成像质量=Improving the qual-ity of imaging by using rotating lens paper[刊,中]/陈丽(广东工业大学数理系.广东,广州(510090))∥光电子·激光.—1997,8(4).—287—290提出了用转动镜头纸作为散射屏使成像质量提高的方法,该方法能有效的减弱激光散斑,又能保持有较高的相干度.文中对该方法进行了理论分析。展开更多
[Objective] This study aimed to establish a method for determining the content of Astragaloside IV in Yupingfeng oral solution.[Method] The HPLC-ELSD method was adopted.The chromatographic column was Venusil MP(4.6 m...[Objective] This study aimed to establish a method for determining the content of Astragaloside IV in Yupingfeng oral solution.[Method] The HPLC-ELSD method was adopted.The chromatographic column was Venusil MP(4.6 mm × 150 mm,5 μm).The mobile phase was acetonitrile-water(35∶65).The ELSD evaporator tube temperature was 65 ℃.N2 was used as the carrier gas(pressure,30 psi).[Result] When the content of Astragaloside IV ranged from 0.5 to 5.0 μg,the Astragaloside IV content showed a good linear relationship with peak area(r=0.999,n=6).The average recovery was 96.36%,and the RSD was 2.46%.[Conclusion] This method is accurate and reliable,and can be applied in the quality control of Yupingfeng oral solution.展开更多
文摘O435.1 98031429用转动镜头纸提高成像质量=Improving the qual-ity of imaging by using rotating lens paper[刊,中]/陈丽(广东工业大学数理系.广东,广州(510090))∥光电子·激光.—1997,8(4).—287—290提出了用转动镜头纸作为散射屏使成像质量提高的方法,该方法能有效的减弱激光散斑,又能保持有较高的相干度.文中对该方法进行了理论分析。
基金Supported by General Program of Science and Technology Plan of Beijing Municipal Commission of Educational(KM201410020007)~~
文摘[Objective] This study aimed to establish a method for determining the content of Astragaloside IV in Yupingfeng oral solution.[Method] The HPLC-ELSD method was adopted.The chromatographic column was Venusil MP(4.6 mm × 150 mm,5 μm).The mobile phase was acetonitrile-water(35∶65).The ELSD evaporator tube temperature was 65 ℃.N2 was used as the carrier gas(pressure,30 psi).[Result] When the content of Astragaloside IV ranged from 0.5 to 5.0 μg,the Astragaloside IV content showed a good linear relationship with peak area(r=0.999,n=6).The average recovery was 96.36%,and the RSD was 2.46%.[Conclusion] This method is accurate and reliable,and can be applied in the quality control of Yupingfeng oral solution.