您要查找的是不是:
- 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。
- visual colorimetric determination 目视比色
- 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。
- Visual Colorimetric Analysis for Niobium Content of the Potassium Fluotantalate 氟钽酸钾中微量铌的目视比色测定
- Keywords potassium fluotantalate;niobium;visual colorimetric analysis; 氟钽酸钾;铌;目视比色;
- 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。
- Rapid Determination of Lead in the Water by the Chloroform Extraction and Visual Colorimetric of Dithizone 三氯甲烷萃取双硫腙目视比色法快速测定水中铅
- Keywords dithizone chloroform extraction visual colorimetric water determination of lead; 双硫腙;三氯甲烷;萃取;目视比色法;水;铅测定;
- Her designs have a strong visual appeal. 她的设计在视觉上很有感染力。
- Keywords visual colorimetric method;hydrazine;boiler feed water;alternative color standard slide;corrosion;dissolved oxygen; 目视比色法;联氨;给水;相似色阶;腐蚀;溶解氧;
- 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 colorimetric 目视比色法
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- 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
- 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
- Keywords Trace gold;enriched in foam;TMK;Visual colorimetry; 痕量金;泡沫吸附;TMK;目视比色;
- 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。
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌