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Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids / Yan Huo in Industrial & engineering chemistry research, Vol. 48 N° 8 (Avril 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 8 (Avril 2009) . - p. 4176 Titre : Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids Type de document : texte imprimé Auteurs : Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur Année de publication : 2009 Article en page(s) : p. 4176 Note générale : Chemical engineering Langues : Anglais (eng) Note de contenu : Additions and corrections of the same article in volume 48 n° 4 in pages: 2212-2217 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900347d [article] Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids [texte imprimé] / Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur . - 2009 . - p. 4176. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 8 (Avril 2009) . - p. 4176 Note de contenu : Additions and corrections of the same article in volume 48 n° 4 in pages: 2212-2217 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900347d

Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids / Yan Huo in Industrial & engineering chemistry research, Vol. 48 N° 8 (Avril 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 8 (Avril 2009) . - p. 4176 Titre : Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids Type de document : texte imprimé Auteurs : Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur Année de publication : 2009 Article en page(s) : p. 4176 Note générale : Chemical engineering Langues : Anglais (eng) Note de contenu : Additions and corrections of the same article in volume 48 n° 4 in pages: 2212-2217 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900347d [article] Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids [texte imprimé] / Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur . - 2009 . - p. 4176. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 8 (Avril 2009) . - p. 4176 Note de contenu : Additions and corrections of the same article in volume 48 n° 4 in pages: 2212-2217 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900347d

Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids / Yan Huo in Industrial & engineering chemistry research, Vol. 48 N°4 (Février 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N°4 (Février 2009) . - p. 2212–2217 Titre : Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids Type de document : texte imprimé Auteurs : Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur Année de publication : 2009 Article en page(s) : p. 2212–2217 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Imidazolium--Melting  points  Benzimidazolium  ionic  liquids--Melting  points Résumé : A new model is proposed here to estimate melting points of imidazolium and benzimidazolium ionic liquids (ILs) from chemical structures by using a group contribution method, which considers the contributions of normal groups, ionic groups, and characteristic factors of molecules. The melting points of ILs are fitted by the equation presented in this study. Thirty simple groups and three characteristic factors were defined in the model based on the optimization of property values of 155 ionic liquids. The average relative deviation in this work is less than 5.86%, and calculated values of an additional 35 ILs are compared with the values in the literature. The R2 for 190 ILs is about 0.8984. The results show that melting points of ILs determined by the method are accurate and thus the new model can be applied to predict melting points of ILs. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8011215 [article] Group contribution method for predicting melting points of imidazolium and benzimidazolium ionic liquids [texte imprimé] / Yan Huo, Auteur ; Shuqian Xia, Auteur ; Yan Zhang, Auteur . - 2009 . - p. 2212–2217. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°4 (Février 2009) . - p. 2212–2217 Mots-clés : Imidazolium--Melting  points  Benzimidazolium  ionic  liquids--Melting  points Résumé : A new model is proposed here to estimate melting points of imidazolium and benzimidazolium ionic liquids (ILs) from chemical structures by using a group contribution method, which considers the contributions of normal groups, ionic groups, and characteristic factors of molecules. The melting points of ILs are fitted by the equation presented in this study. Thirty simple groups and three characteristic factors were defined in the model based on the optimization of property values of 155 ionic liquids. The average relative deviation in this work is less than 5.86%, and calculated values of an additional 35 ILs are compared with the values in the literature. The R2 for 190 ILs is about 0.8984. The results show that melting points of ILs determined by the method are accurate and thus the new model can be applied to predict melting points of ILs. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8011215

Temperature - induced irreversible change of ZnO optical energy gap / Yan Huo in Industrial & engineering chemistry research, Vol. 51 N° 2 (Janvier 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 2 (Janvier 2012) . - pp. 1083-1085 Titre : Temperature - induced irreversible change of ZnO optical energy gap Type de document : texte imprimé Auteurs : Yan Huo, Auteur ; Yun Hang Hu, Auteur Année de publication : 2012 Article en page(s) : pp. 1083-1085 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Optical  energy Résumé : It is generally recognized that the change of ZnO optical properties due to high-temperature treatment is reversible. However, herein, it is reported that high-temperature treatment in air caused an irreversible decrease in ZnO optical energy gap (Eg). The irreversible decrease in Eg was enhanced with increasing treatment temperature. Furthermore, it was found that the irreversible decrease in Eg can be attributed to the enlargement of ZnO crystal particles. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25476441 [article] Temperature - induced irreversible change of ZnO optical energy gap [texte imprimé] / Yan Huo, Auteur ; Yun Hang Hu, Auteur . - 2012 . - pp. 1083-1085. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 2 (Janvier 2012) . - pp. 1083-1085 Mots-clés : Optical  energy Résumé : It is generally recognized that the change of ZnO optical properties due to high-temperature treatment is reversible. However, herein, it is reported that high-temperature treatment in air caused an irreversible decrease in ZnO optical energy gap (Eg). The irreversible decrease in Eg was enhanced with increasing treatment temperature. Furthermore, it was found that the irreversible decrease in Eg can be attributed to the enlargement of ZnO crystal particles. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25476441