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qhd511Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
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ÇëÓ¢ÓïˮƽµØµÀµÄÅóÓѰïÖúһϣ¬±¾ÈËÉî±í¸Ð¼¤£¡ 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. ´óÒ⣺±¾ÎĽ¨Á¢ÁËÒ»¸öÊýѧģÐÍ£¬Í¨¹ý²ÉÓÃDÈí¼þ½øÐжþ´ÎÏîÖ𲽻عé·ÖÎö£¬È·¶¨ÁËÓ°ÏìÐźÅÖµµÄ²ÎÊý£¬²¢ÓësÊÔÑéÏà½áºÏÒÔ»ñµÃ×î¼ÑÊÔÑéÌõ¼þ¡£ 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
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
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- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
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¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+10, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:50:57
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
dobo
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
- ÔÚÏß: 236.9Сʱ
- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
- רҵ: Éùѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:51:06
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
dobo
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
- ÔÚÏß: 236.9Сʱ
- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
- רҵ: Éùѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-08 07:51:13
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. ºÜÄÑ¿´µ½µÚÒ»¾ä°¡¡£ |
4Â¥2012-05-08 04:28:37
dobo
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
- ÔÚÏß: 236.9Сʱ
- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
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¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:14
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
dobo
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
- ÔÚÏß: 236.9Сʱ
- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
- רҵ: Éùѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:23
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
dobo
½ð³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 3
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ½ð±Ò: 1058.7
- É¢½ð: 10
- ºì»¨: 3
- ɳ·¢: 2
- Ìû×Ó: 982
- ÔÚÏß: 236.9Сʱ
- ³æºÅ: 1665410
- ×¢²á: 2012-03-05
- ÐÔ±ð: GG
- רҵ: Éùѧ
7Â¥2012-05-08 04:35:43
baitu1998
½ð³æ (СÓÐÃûÆø)
- ·ÒëEPI: 7
- Ó¦Öú: 2 (Ó×¶ùÔ°)
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- ×¢²á: 2012-04-30
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8Â¥2012-05-08 04:40:24
mlanqiang
ľ³æÖ®Íõ (ÎÄѧ̩¶·)
À¶²©Ê¿
- ·ÒëEPI: 2
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- ½ð±Ò: 55278.8
- É¢½ð: 5498
- ºì»¨: 62
- Ìû×Ó: 73916
- ÔÚÏß: 730.8Сʱ
- ³æºÅ: 302202
- ×¢²á: 2006-12-02
- ÐÔ±ð: GG
- רҵ: ½ºÌåÓë½çÃæ»¯Ñ§
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï
qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-05-08 07:53:35
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. |

9Â¥2012-05-08 06:03:23














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