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- Keywords angelica oil;ligustilide;method of gas chromatography（GC） with internal standard sample;method of ultraviolet （UV） photometry; 当归油;藁本内酯;气相色谱内标法;紫外分光光度法;
- UV photometry 紫外光度测量
- Methods The mentioned Dragon's Blood was analyzed by TLC, UV spectro photometry, and HPLC. 方法采用薄层色谱法、紫外分光光度法和高效液相色谱法对不同工艺提取的龙血竭进行分析。
- As melanin encounters UV light, it turns brown. 黑色素遭遇到紫外光后变成褐色。
- Diurnal variation of UV Index on a sunny day. 在阳光充沛的日子里,紫外线指数的日际变化。
- Why do my eyes need UV protection? 为何眼睛也要避免紫外光?
- Deterioration effect of UV exposure. 紫外光曝晒下劣化效果。
- Take away the UV glow, and the thrill is gone. 拿走紫外线辉光、笳消失。
- UV CURABLE SPECIAL PLASTIC INK UV-PP-71 UV-PP. 71光固化油墨,专用于印刷各。
- UV or Not UV Is That the Question? UV油墨使用还是不使用?
- Large power of UV lamp enables faster solidifying. 灯管功率大、固化速度快。
- Shanghai UV Light Engineering Co., LTD. 上海光侨机电设备有限公司。
- The maximum UV Index for today will be about 8. 今日的最高紫外线指数大约是8。
- Photocells are also used in photometry and spectroscopy. 光电管也应用于光度学和光谱学。
- UV color and weight map generation. 可以使用UV颜色和权重贴图来生成毛发。
- Use sunglasses with a UV filter. 佩戴带有UV滤光功能的太阳镜。
- In UV two times the amount was required. 在UV你必须有他的两倍数量。
- High efficiency in-line UV drying system. 高效率在线UV干燥系统。
- Over 1 year experience on UV coating products. 一年以上UV漆涂装经验。
- Positive under UV light for 200h. 耐候性：于紫外线下照射200小时强度仍不下降。
