1. Amphoterics are high foaming and extremely efficient detergents but their expense tends to rule them out for all but specialist applications.

2. The autoprotolysis exists in amphoteric compounds too.

3. The crosslinker used is an amphoteric metal salt, NT-2, capable of forming polynuclear olation complex ion.

4. The treatment to Zincic waste water by amphoteric ion exchange resin was investigated by static adsorption method.

5. But the macromolecule amphoteric polyacrylamide effecting on the drainage was much worse than that on retention.

6. The synthesis, structure and properties of the amphoteric polyacrylamide have been studied.

7. The preparations, properties and its applications of betaine amphoteric surfactants is discussed in the paper.

8. A qualified amphoteric ionic surface active agent achieved in a lab through an organic synthetic reaction.

9. The application of an amphoteric electrolyte in cotton fabrics with direct dyes is innovatively researched, and the synthesizing method of an amphoteric colour fixing agent is recommended.

10. The results indicate that amphoteric could increase the sizing degree of eucalyptus chemimechanical pulp significantly.

11. Biological activities of amphoteric surfactants to higher or lower organisms were introduced.

12. The benzidine yellow G pigment was modified with amphoteric surfactant and fatty acid, and the flowing, wetting and dispersing properties of the modified pigment were determined.

13. Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.

14. TOYO LAB-35 is amphoteric surfactant. It is readily compatible with cationics, anionics and nonionics surfactants. Many these preparations results clear liquid or gels.

15. Amino-acid amphoteric surfactant, a kind of green surfactant, has been used in leather industry more and more because of its innocuity, biodegradation and blending ability.

16. Mostly includes the tenderness non-ionic or the amphoteric surface active agent, can clean up the cerebral cortex temperately, lets the flesh prepare for the absorption following ingredient.

17. The amphoteric surfactant was synthesized by sulfuric castor oil and ETA. The reaction condition of surfactant were deeply studied. The amphoteric fat liquor was recombinated with other surfactants.

18. The"sex"means the physiological differences caused by amphoteric characteristic such as gene, anatomise, hormonal secretion.

19. Corrosion caused by a reaction of an amphoteric metal with the alkaline products of electrolysis.

20. The pigskin shoe leather tanned with amphoteric vegetable extract is soft, full, elastic, and possesses good grain effect.

21. A novel method for synthesizing the amino - sulfonic acid series amphoteric surfactants was developed.

22. Proteins behave either as acids or bases and are said to be amphoteric.

23. In this paper applications and developing process of acrylic resin as retanning agent were discussed, and the synthesis and development of amphoteric acrylic polymer syntan were discussed.

24. In this paper, the classification and synthesis methods of amino- acid type amphoteric surfactant, and the progress of its application in leather industry were introduced.

25. Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.

26. The length of alkyl, carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties.

27. The influence on desalination and anti - pollution by the different cross - linking degree of Amphoteric resins was investigated.Sentencedict

28. Various substance has very small autoprotolysis constants which, however, has more large difference, so that the amphoteric solvents are found more wide application in titrimetric analysis.

29. The product modality PAM are mainly divided into colloidal, powdery and emulsive, it can also be classified by its ions carried, i. e. non-ion, anion, cation and amphoteric ion.

30. The results of the isoelectric point show the terpolymers to have the observable amphoteric characteristic.

31. A review on the performance and development of acrylic resin as retanning agent, and the synthesis and development of amphoteric acrylic polymer syntan were discussed in this paper.

32. The structure and properties of macroporous strong base - amphoteric resin were studied by using IR and DTA.