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北京石油化工学院2026年研究生招生接收调剂公告
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tezuyawong

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[求助] 翻了几次,归一化部分的意思翻不好,不到位,没感觉,求大牛帮助,请包涵

把各温度下每个成分的特征离子峰积分面积相加,作为每个成分的形成总量;由于各**每个温度下各成分形成总量绝对值差异较大,因此以A的形成总量为1(归一化),进行相对比较。从图10中可以看出,B的生物碱以及含氮化合物如尼古丁、吡啶、3-乙烯基吡啶、丙烯腈等成分产量远高于A和C,这显然是因为B含氮化合物含量较高造成的;A中挥发性羰基化合物(醛、酮)、呋喃等裂解产物生成量远高于B和C,这应与A糖类含量较高有关;此部分实验结果与之前的研究报道相符,而烯烃类化合物以及苯系物则没有表现出明显的规律性差异。
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tezuyawong

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引用回帖:
6楼: Originally posted by RXMCDM at 2014-02-24 11:42:43
对你有用就好!...

我水平不行,看了相对多,但自己亲自动手写的不多,因为是在企业,领导不重视这块基础研发,所以发sci经验也不丰富
7楼2014-02-24 13:55:55
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RXMCDM

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tezuyawong: 金币+10, 翻译EPI+1, ★★★很有帮助 2014-02-21 09:09:54
各温度下每个成分的特征离子峰积分面积相加,作为每个成分的形成总量;由于各**每个温度下各成分形成总量绝对值差异较大,因此以A的形成总量为1(归一化),进行相对比较。
integral area 积分面积 typical ion peaks特征离子峰
The integral area of typical ion peaks of each component was summed up as the formed total amount of each component and the total amount of A was taken as 1for relative comparison considering that the formed total absolute value of each component at each temperature varied greatly.
从图10中可以看出,B的生物碱以及含氮化合物如尼古丁、吡啶、3-乙烯基吡啶、丙烯腈等成分产量远高于A和C,这显然是因为B含氮化合物含量较高造成的;A中挥发性羰基化合物(醛、酮)、呋喃等裂解产物生成量远高于B和C,这应与A糖类含量较高有关;此部分实验结果与之前的研究报道相符,而烯烃类化合物以及苯系物则没有表现出明显的规律性差异。
As can be seen from Figure 10, the alkaloids and  nitrogen-containing compound  in B   such as nicotine, pyridine, 3 - vinyl pyridine , acrylonitrile ,etc,is much higher than in  A and C, which is apparently due to the higher content of nitrogen-containing compound  in B .    As far as A is concerned ,the crackate  formation amount  of volatile carbonyl compounds (aldehydes, ketones), furan ,etc,is much higher than in B and C, which should be related to the higher saccharides in A .This  results consistent with previous reports. The olefin compounds and BTEX showed no obvious regularity differences.

The integral area of typical ion peaks of each component was summed up as the formed total amount of each component and the total amount of A was taken as 1 for relative comparison considering that the formed total absolute value of each component at each temperature varied greatly.As can be seen from Figure 10, the alkaloids and  nitrogen-containing compound  in B   such as nicotine, pyridine, 3 - vinyl pyridine , acrylonitrile ,etc,is much higher than in  A and C, which is apparently due to the higher content of nitrogen-containing compound  in B .    As far as A is concerned ,the crackate  formation amount  of volatile carbonyl compounds (aldehydes, ketones), furan ,etc,is much higher than in B and C, which should be related to the higher saccharides in A .This  results consistent with previous reports. The olefin compounds and BTEX showed no obvious regularity differences.
2楼2014-02-21 00:25:27
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tezuyawong

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谢谢,很有帮助,另外提个问题:是否可以把每个温度下(300-900度)的特征峰面积加和翻成cumulative release from 300-900 cel ?
3楼2014-02-21 09:09:39
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RXMCDM

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引用回帖:
3楼: Originally posted by tezuyawong at 2014-02-21 09:09:39
谢谢,很有帮助,另外提个问题:是否可以把每个温度下(300-900度)的特征峰面积加和翻成cumulative release from 300-900 cel ?

cumulative release 已经有这种用法,但没找到你要表达的意思,应该不行, from 300-900 cel 也似乎应该用 between 300-900 cel ,如果是连续的话,如果不连续,再加at each temperaturi.
4楼2014-02-21 09:32:05
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