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根据电解质溶液理论,在对NRTL方程进行简化的基础上,建立了计算IDA-NaCl-H2O三元体系溶解度的数学模型,采用本模型,对IDA-NaCl-H2O三元体系在0~60℃范围内的溶解度随温度变化关系进行了回归,并与实测结果进行了比较分析,结果令人满意,同时从理论上解释了氯化钠含量对IDA溶解度的影响。 相似文献
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YaJun Jiang ZiZhong Liu HongXia Liu WenYing Cui Na Wang DongSheng Liu XiangWei Ge 《科学通报(英文版)》2012,57(34):4448-4452
The effects of lithium doping on the nonlinear optical properties of new electrodes (lithium-doped corannulene) were investigated in detail. Nine dynamically stable geometries of Lin-C20H10 (n=1, 2) are predicted by B3LYP/6-31G(d,p). Among these nine structures, the largest first static hyperpolarizability (β0) is computed to be 15314 au, which is dramatically larger than the β0 value of 74 au for C20H10, indicating that Li doping plays an important role in elevating the first hyperpolarizability of corannulene. 相似文献
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运用数理统计方法,结合黑龙江省2008年高校体育专业招生术科考试的实际情况,研究高考体育专业招生考试办法的同质性.研究结果:现行的术科专项考试标准较容易,且各项目间存在不同质问题;结合存在的问题拟订调整方案对现行考试办法进行调整;提出运用标准分的方法彻底解决体育术科考试存在的项目间不同质问题. 相似文献
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ZHONG WenYing Lü Min LIU LiYing SUN JinLi ZHONG ZengTao ZHAO Yun SONG HaiYun 《科学通报(英文版)》2013,58(33):4031-4038
The biosafety issue of nanoscale materials is getting more and more attention with their increasing manufacture and application.In the research of cellular effects and underlying mechanisms related to toxicity of nanomaterials,most emphasis were placed on processes such as apoptosis,metabolic inhibition and oxidative stress.Recent evidence suggests that autophagy is part of the biological effects by nanomaterials and various kinds of nanomaterials are capable of disturbing the autophagic process.This review will highlight the importance of autophagy as an emerging mechanism of nanomaterial toxicity and the implication in the therapy of autophagy-related diseases.We summarize current research status of interaction between nanomaterials and autophagic pathways.It is of note that nanomaterials can either induce or block autophagy,which result in similar phenotype but completely different biological consequence.It is therefore important to perform comprehensive analysis of the whole autophagic flux in the future research. 相似文献
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