Question

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本论文就铬酸钡光度法与铬酸钡-二苯碳酰二肼光度法测定河水及雨水中硫酸根进行对比研究。在酸性条件下铬酸钡与硫酸根反应生成硫酸钡沉淀，并同时置换出铬酸根离子；经充分反应后过滤掉硫酸根沉淀和多余的铬酸钡沉淀，含被硫酸根离子置换出来的铬酸根离子的滤液呈黄色。方法一将滤液于370nm波长处以水为参比测定铬酸根的吸光度，此方法在8-120μg/mL时符合比耳定律，检出限为4μg/mL，加标回收率为97%-112%。方法二向滤液中滴加二苯碳酰二肼溶液及稀盐酸与铬酸根产生显色反应，显色后滤液呈紫红色；然后于545nm波长处以水为参比测定其吸光度，此方法在0-50μg/mL时符合比耳定律，检出限为0.1μg/mL，加标回收率为97%-108%。本文就两种方法的标准曲线的相关性、测定已知样品的准确性、测定本校河水样品的稳定性、测定范围、检出限、实验操作的繁简性等方面做出详细的对比研究并得出结论。
用百度、谷歌翻译的，请把句子语法调整好，我会加分的哦

Answer 1

本论文就铬酸钡光度法与铬酸钡-二苯碳酰二肼光度法测定河水及雨水中硫酸根进行对比研究。
This paper will chromium acid barium photometric method and chromium acid barium-two benzene carbon usions two hydrazine spectrophotometry the river and the rain, sulfate a comparative study.

在酸性条件下铬酸钡与硫酸根反应生成硫酸钡沉淀，并同时置换出铬酸根离子；
In the acidic conditions chromium acid barium sulfate and the reactions that produce barite ore precipitation, and at the same time the chrome SuanGen ion replacement;

经充分反应后过滤掉硫酸根沉淀和多余的铬酸钡沉淀，含被硫酸根离子置换出来的铬酸根离子的滤液呈黄色。
After the full response to filter out sulfate precipitation and redundant chromium acid barium precipitation, including be sulfate ion replacement of chromium SuanGen ions out filtrate yellow.

方法一将滤液于370nm波长处以水为参比测定铬酸根的吸光度，此方法在8-120μg/mL时符合比耳定律，检出限为4μg/mL，加标回收率为97%-112%。
Methods a will in 370 nm wavelength filtrate impose water as reference determination of chromium than SuanGen spectrophotometry, this method in 8-120 μ g/mL with ear when than law, detection limit for 4 μ g/mL, labeled recovery is 97%-112%.

方法二向滤液中滴加二苯碳酰二肼溶液及稀盐酸与铬酸根产生显色反应，显色后滤液呈紫红色；
Method 2 to filtrate adding two benzene in carbon usions hydrazine solution and the rare hydrochloric acid and chromium SuanGen produce color reaction, show color is purple filtrate after;

然后于545nm波长处以水为参比测定其吸光度，此方法在0-50μg/mL时符合比耳定律，检出限为0.1μg/mL，加标回收率为97%-108%。
Then in 545 nm wavelength impose water as reference determination than its absorbency, this method in 0-50 μ g/mL with ear when than law, detection limit for 0.1 u g/mL, labeled recovery is 97%-108%.

本文就两种方法的标准曲线的相关性、测定已知样品的准确性、测定本校河水样品的稳定性、测定范围、检出限、实验操作的繁简性等方面做出详细的对比研究并得出结论。
This paper standard curve of the two methods of correlation, the accuracy of the determination of the known samples, the stability of river water samples were, determining range, detection limit, experiment of sex and simplified made detailed contrast research and concluded.

Answer 2

the uranium cell divided into the sickle-shaped PKU's and causing immediate affects that causes scientists to develop their....

你们太贱了，用实力翻译啊！！

Answer 3

This paper will chromium acid barium photometric method and chromium acid barium-two benzene carbon usions two hydrazine spectrophotometry the river and the rain, sulfate a comparative study. In the acidic conditions chromium acid barium sulfate and the reactions that produce barite ore precipitation, and at the same time the chrome SuanGen ion replacement; After the full response to filter out sulfate precipitation and redundant chromium acid barium precipitation, including be sulfate ion replacement of chromium SuanGen ions out filtrate yellow. Methods a will in 370 nm wavelength filtrate impose water as reference determination of chromium than SuanGen spectrophotometry, this method in 8-120 μ g/mL with ear when than law, detection limit for 4 μ g/mL, labeled recovery is 97%-112%. Method 2 to filtrate adding two benzene in carbon usions hydrazine solution and the rare hydrochloric acid and chromium SuanGen produce color reaction, show color is purple filtrate after; Then in 545 nm wavelength impose water as reference determination than its absorbency, this method in 0-50 μ g/mL with ear when than law, detection limit for 0.1 u g/mL, labeled recovery is 97%-108%. This paper standard curve of the two methods of correlation, the accuracy of the determination of the known samples, the stability of river water samples were, determining range, detection limit, experiment of sex and simplified made detailed contrast research and concluded.