A novel fusion strategy used the region-based selection operator based on non-subsampled contourlet transform is presented,and do a thorough research on the performance appraisal and computational complexity analysis of remote sensing image fusion based on non-subsampled contourlet transform,at the same time.

Recent development in the regioselectivity of the addition of prenylmetals to carbonyl compound;

Theoretical Study on the Regioselectivity of Intramolecular N-4-pentenyl Nitrone Cycloaddition;

Regioselectivity of Halobenzenes Nitration by Using Nitric Acid in the Presence of Acidic Bentonite;

Selective regions of the overlapping hyphenated chromatographic data are crucial for the resolution via chemometric methods.

Research progress on regioselective hydrosilation;

The regioselective addition of ethyl , n - propyl, n -butyl, phenyl and benzyl Grignard reagents to a - einnamoyl ketene cyclic dithioacetals 2, a conjugate three - centre electorphile, is reported in this paper.

In order to simulate the blood compatibility of endothelial cell surface heparansulfate(ES-HS),different functional groups in ES-HS,which play a great role in blood compatibility,have been regioselectively introduced into the molecules of cellulose and chitosan with variable degree of substitution(DS).

The catalytic performance for o-trifluoromethoxyaniline regioselective nitration was investigated under various conditions.