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qhd511

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1¡¢1¡¢  A mathematical model was established, and a quadratic polynomial stepwise regression analysis by using the D software was employed to obtain the factors that impact the signal, in combination with s test.
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2¡¢In such circumstances, the insufficient detection sensitivity in addition to the matrix effects tends to block the accurate determination of A. In addition, the compositions of s samples are more complicated than those of above-mentioned samples such as o and w due to high content of organic matter.

4¡¢X1, X2, X3, X4, X5, X6, etc. In this work, these 6 factors were optimized by u test, with u tabulation and corresponding use tabulation. According to the test schedule, the above-mentioned factors were selected. At the same time, 10 levels were chosen from each factor.

5¡¢   H was less used in f analysis because of high blank signal during the determination and small amounts impurities of A contained during the production process. However, high content of organic matter in s samples results in the oxidation power of q and k were not sufficient to digest completely.

6¡¢   The results show that this work presents a rapid and simple analytical method for the reliable determination of A as has been demonstrated by recovery studies and by the analysis of real samples.

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dobo

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qhd511: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:50:57
1¡¢  A mathematical model is described, and a quadratic polynomial stepwise regression technique is used to obtain a number of parameters that influence the signal using the D software. This technique is then combined with s test.
2Â¥2012-05-08 04:17:56
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dobo

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qhd511: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:51:06
2¡¢In such circumstances, the insufficient detection sensitivity and the matrix effect will affect the accuracy of the determination of A. In addition, the composition of s samples is more complicated than that of the above-mentioned samples, such as o and w due to the high content of organic matters.
3Â¥2012-05-08 04:22:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dobo

½ð³æ (ÕýʽдÊÖ)

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qhd511: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:51:13
4¡¢X1, X2, X3, X4, X5, X6, etc. In this work, these 6 factors were optimized based on the u test, with u tabulation and corresponding use tabulation. According to the test schedule, the above-mentioned factors were selected. At the same time, 10 levels were chosen from each factor.

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4Â¥2012-05-08 04:28:37
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dobo

½ð³æ (ÕýʽдÊÖ)

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qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:14
5¡¢   H was less used in f analysis because of the high blank signal during the determination and a small amount of impurities of A contained during the producing process. However, the high content of organic matter in s samples results in the oxidation power of q and k were not sufficient to digest completely.
5Â¥2012-05-08 04:32:04
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dobo

½ð³æ (ÕýʽдÊÖ)

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qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:23
6¡¢   The results show that this work presents an efficient, yet simple analytical modal for a reliable determination of A. The procedure has been demonstrated by the recovery studies and by the analysis of real samples.
6Â¥2012-05-08 04:34:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dobo

½ð³æ (ÕýʽдÊÖ)

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7Â¥2012-05-08 04:35:43
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baitu1998

½ð³æ (СÓÐÃûÆø)

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qhd511: ½ð±Ò+5 2012-05-08 07:53:29
A mathemaical model was established and  the parameters which have effect on signals were determined by using D software to do a quadratic polynomial stepwise regression analysis in combination with s test.
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8Â¥2012-05-08 04:40:24
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mlanqiang

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qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:35
A mathemaical model was established, and  then the parameters affecting on signals were determined by using D software to do a quadratic polynomial stepwise regression analysis in combination with s test.
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9Â¥2012-05-08 06:03:23
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