Synthesis and Properties of Four Zwitterionic Surfactants;

Study on mechanism of zwitterionic polysaccharide in humoral immune response;

Application of amphoteric fat-liquoring agent CL-819 to manufacture of sheep skin leather clothing;

Research on application of amphoteric chitosan derivative NAOC in wash-off for reactive dyeing;

Synthesis and Characteristics of Starch Sulfate Based Amphoteric Superabsorbent Resins;

From its title to its contents,the relations of two sexes were reflected.

By means of probability generating function,for the bisexual GaltonWatson branching process with a certain mating function always taken the number of females as its value,the necessary and sufficient condition of the process extinction with probability 1 was given,and the expressions of expectation and variance of the process were obtained.

On the basis of some elementary theories about Galton-Watson branching process, the bisexual Galton-Watson branching process and the branching process with random environment are introduced in the paper.

This thesis tries to use the theories about freedom and love of Erich Fromm, a German American sociologist, to analyze the contradictory inner world of the protagonist: Herzog s strong longing for active freedom and the fear of passive freedom; love and war between the sexes; the longing for both .

Synthesis of carboxylic methyl amphoteric starch and application in papermaking;

Application of grafting copolymers of amphoteric starch in neutral papermaking;

Study of relation between the degree of substitution of amphoteric starch and the ability of moisture absorption,moisture retention;

Based on the prevention and cure principium of extract for Cr(Ⅵ),the amphoteric modification was carried out to the waxberry extract through the treatments of sulphonation and Mannich reaction.