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- The accuracy of rapidly determining trace lead in tea-leaf by the visual colorimetry of dithizone is studied. 对双硫腙目视比色法快速测定茶叶中的微量铅的准确度、萃取时溶液的酸度和共存元素干扰等因素进行了探讨。
- The visual colorimetry is simple and easy among them and the result of identification has a certain useful value. 这些方法简单、快速，其测定结果具有一定的参考意义。
- Abstract: The study deals with the rapid determination of lead in the water by the chloroform extraction and visual colorimetric of dithizone. 中文摘要: 研究了采用三氯甲烷萃取的双硫腙目视比色法快速测定水中微量铅。
- Analyzed qualitatively and determined quantitatively the exist and relative content of aloe dry powder by visual colorimetry ,which us ing product of coloured complex and colour difference. 研究了利用有色复合物的生成及颜色差别，定性鉴别和目视比色定量测定芦荟干粉的存在和相对含量的方法。
- Her designs have a strong visual appeal. 她的设计在视觉上很有感染力。
- visual colorimetric determination 目视比色
- Telescopes and microscopes are visual instruments. 望远镜和显微镜是光学仪器。
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- visual colorimeter 目视比色计
- Rapid determination of trace lead in tea-leaf by visual colorimetry 目视比色法快速测定茶叶中的微量铅
- Colorimeter, Syringe Pipet, Electronic Balance. 色度计、注射吸量管、电子天平。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- BYK color wizard, colorimeter Where can I buy? BYK色彩精灵，色差仪哪里能买到？
- Keywords Trace gold;enriched in foam;TMK;Visual colorimetry; 痕量金;泡沫吸附;TMK;目视比色;
- A device that gives information in a visual form, as on a screen. 显示器，指示器一种以视觉方式显示信息的装置，如荧光屏显示
- Increased Recon UAV visual range from 325 to 375. 更改了侦查兵侦察机的可见范围从原来的325增加到375。
- Visual matter used to clarify or decorate a text. 图解，图示用来解释或装饰书本的视觉材料
- A visual defect characterized by the inability to discern blue and yellow. 蓝色盲，第三原色盲具有不能区分黄色和蓝色的视觉缺陷
- Cleared to land RVR (R/W visual range) 200m. 可以降落，跑道目视距离200米。
