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fishkeeper金蟲(chóng) (小有名氣)
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[求助]
求教一個(gè)關(guān)于氮?dú)馕降膯?wèn)題,問(wèn)了幾個(gè)小牛也無(wú)法解決,謝謝!
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在投稿過(guò)程,編輯問(wèn)我以下問(wèn)題,不知道如何解決。 Surface area measurements with nitrogen are often limited by sensitivity - some additional clarification of the samples and quantities used would be useful. It should be possible to add error bars from the fit to the adsorption isotherm - the three digit precision quoted by the authors in the paper is probably overstating things. 在文中我們直接給出了氮?dú)馕綌?shù)據(jù),BET、孔分布以及孔容數(shù)據(jù)。用的是(The nitrogen adsorption-desorption isotherm measurements were performed on a Micromeritics ASAP 2010 volumetric adsorption analyzer at the temperature of liquid nitrogen.) 討論之后, 我們的回答是About BET results of the two species mentioned in our paper, we chose the data points between 0.05 and 0.2 (relative pressure) for the BET plot, which exhibit correlation coefficient of at least 99.99%. Accordingly, the error bars are about 0.01% of their specific surface areas, that is, 0.060 and 0.087 m2/g, respectively. Therefore, the BET results with the two digit precision is reliable in our paper. 但是回稿之后審稿人說(shuō)我會(huì)錯(cuò)意。。。給出的意見(jiàn)是 The author's have addressed most of the specific scientific comments that I have made. The remaining one is error estimates for the BET results - once the isotherms are obtained it is possible to fit the low pressure region, and obtain error bars. 現(xiàn)在有的朋友說(shuō)可能涉及到不確定度的分析,但是真不知道咋搞這玩意兒,也不知是不是。。。謝謝! 郁悶啊,大家?guī)蛶兔Γ?br /> [ Last edited by fishkeeper on 2011-9-3 at 09:53 ] |
與自己課題相關(guān) | 科研、投稿中可能遇到的小問(wèn)題 | BET相關(guān) |
木蟲(chóng) (小有名氣)
至尊木蟲(chóng) (著名寫(xiě)手)
至尊木蟲(chóng) (著名寫(xiě)手)
金蟲(chóng) (小有名氣)
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