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Investigation of long alkyl chain reversed-phase materials, ion-exchange materials and HILIC monolit
[会议论文] 作者：Smith,N.W;JiangZhengjin;,
来源：DaLian Internationall Symposia and Exhibition on Chromatogra 年份：2007
Monolithic materials have gained in popularity over the last 5-10 years mainly as a result of the difficulty in producing stable silica based packed capilla...
Investigation of long alkyl chain reversed-phase materials, ion-exchange materials and HILIC monolit
[会议论文] 作者：Smith, N.W,Jiang Zhengjin,
来源：DaLian Internationall Symposia and Exhibition on Chromatogra 年份：2007
Monolithic materials have gained in popularity over the last 5-10 years mainly as a result of the difficulty in producing stable silica based packed capillaries for use in CEC.This was almost entirely...
[期刊论文] 作者：王轶,YìN.Wáng,
来源：逻辑学研究 年份：2004
经典认知逻辑中的知道算子具有性质“知道的皆为真”,但这不符合汉语直观.在汉语中,所知之事的真假还取决于认识能力的高低.本文提出一种觉知模型来解释汉语中的“知道”.在...
[期刊论文] 作者：李庆祥,MattheW J.Menne,Claude N.W,
来源：气候与环境研究 年份：2004
发展了一种对元数据依赖程度较小的气候序列均一化思路,在缺乏元数据的基础上,采取3种不同的方法,对中国东南部地区年平均最高、最低气温序列进行了均一性检验;并对其中不连...
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