Notice of RetractionEvaluation on construction of ecological city of Ha´erbin

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

This article is designed to carry out design of index system for evaluation of ecological city which is applicable to features of city of Ha´erbin on basis of actual conditions of Ha´erbin in principle of combination of qualitative analysis and quantitative analysis and to conduct evaluation on effect of restoration of ecological city of Ha´erbin with principal components analysis method. Results of evaluation show that some accomplishment has been made in terms of construction of ecological city of Ha´erbin and sub-system of environment, economy and society of Ha´erbin has been greatly improved since 2002.