Research of Urban Single-Parent Family Relational Character;

This fact shows that the appearance and increasing of single-mother family has become an inevitable social reality, and single-parent family has changed form "private trouble" to "public issues".

In those divorced family, some divorced women with children were desperated at marriage or impossible to get into marriage again, it became gradual increasing single-mothers groups .

As a hydrophilic monomer in WPU synthesis,further study on the oligomers of polyether and polyester with sulphonate group was worthy.

Cross-linked Copolymer gels were successfully prepared by copolymerization of long alkyl chain acrylic ester (hexadecyl acrylate(HA), octadecyl acrylate(ODA),) and hydrophilic monomer (acrylic acid(AA), methacrylic acid(MAA), 2-hydroxy-ethyl ester(HEA)) , using absolute ethanol as a solvent, N,N' -methylene-bis-acrylamide (MBAA) as a cross-linking agent at 50@.

The water-borne technology for polyester is reviewed with using different hydrophilic monomers, including trimellitic anhydride, dimethylmalonic acid, UV curable hyperbranched waterborne polyester, as well as sulphonate monomer.

A survey of the only child and single parent child was conducted in 2587 students.

The Social Work s Intervention in the Single Parent Family Economy and Emotion——Case Research of X village in Sichuan Province;

【Objective】 To explore influence of children s peers trust to self-consciousness by comparing the children coming from single parent family and whole family.