1. The equilibria in the first part deal with complexation, solubility, redox reactions, and solvent extraction and ion exchange.

2. There exist different weak interactions in the clathrate complexation.

3. The denitrifier of complexation type has a good separation capability.

4. The dehydration technology of bischofite by butanol complexation distillation was studied by such methods as X-ray diffraction and elementary analysis.

5. The single butanol complexation dehydration technology cannot take all coordinated water molecules in bischofite away.

6. Complexation with metal elements, it can also be used as sensitizer of fluorescence materials and catalyst of organic oxidation reaction. As a result of that, it attracts more and more attention now.

7. The inclusion complexation behavior of sulfoantocalixarenes with four cinchona alkaloids was investigated by means of fluorescent spectra.

8. The resolution of racemic compounds by crural inclusion complexation reported in 47 references is reviewed with 47 references. The chiral recognition principles in inclusion complex is also discussed.

9. This specific property of interpolymer complexation may be utilized to design drug delivery systems of various release behaviors.

10. This is a clathrate complexation which possessed a novel three dimension supramolecular structure.

11. It was found that the con-centration influences the mode and the ratio of complexation of tannic acid with gliadin.

12. Dominantly considers a thorough treatment of equilibrium, including acid - base, complexation, precipitation - dissolution, and reduction - oxidation reactions.

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13. Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.

14. Phytic acid shows potential application in food industry because of its complexation property with metal ions, which can be used in preventing enzymatic browning and non-enzymatic browning reaction.

15. In order to meet the feed requirements for FCC, shale oil was treated by oxidation and complexation, to extrude the basic nitrogen components and to reduce the total nitrogen content of shale oil.

16. An experimental method of applying the polarographic double - point determination to complexation titration was proposed.

17. The ZnO and Cu product can be obtained through ammino complexation and method of substitution.

18. The process of Acid Red 2GL is mainly introduced in this paper, and the conditions of both diazo- couple reaction and complexation reactions are also discussed.