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1. Coal tar , acetic acid, dodecyl benzene Sulfonic Acid.

2. The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.

3. The tribological properties of the prepared UFD sulfonic acid derivant in the water-base solution were evaluated by using a four-ball friction wear testing machine.

4. Methllyl sulfonic acid acted as a chain transfer agent besides supplying the strong polar anionic sulfonic group.

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

6. 2— methy —2— acrylamidy - propyl sulfonic acid ( AMPS ) and Methacryloyloxyethyl trimethylammonium choride ( ...

7. Sulfonic acid is a foaming acid available from some of the oil companies.

8. A new synthetic method of N-(2-acetamido)-2-aminoethane sulfonic acid (ACES) has been established through the action of chloroacetamide with taurine.

9. The production of 2— naphthamine —6— sulfonic acid with 2— naphthol —6— sodlum sulfonate by Bucherer reaction is presented in this paper.

10. The application ofp - toluene sulfonic acid as catalyst for synthesis of carboxylic ester ( ethyl butyrate ) is studied.

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11. Effect of Amino sulfonic acid on hypochlorite bleaching of Masson Pine kraft pulp was experimented.

12. The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts, respectively, were investigated.

13. Method The rat model of ulcerative colitis was induced with 2 , 4,6 trinitrobenzene sulfonic acid.

14. Eastman - AQ is a new kind of polymer ( ester sulfonic acid ) cation exchanger.

15. In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence ofp-Toluene sulfonic acid.

16. A copolymer ( SPAM ) was prepared with starch, acrylamide ( AM ), 2— methy —2— acrylamidy - propyl sulfonic acid ( AMPS ) and Methacryloyloxyethyl trimethylammonium ...

17. Alkyl polyglucosides were prepared from glucose and lauryl alcohol by one step reaction using p-toluenesulfonic acid and dodecyl benzene sulfonic acid as catalysts respectively.

18. Objective To observe the effect of Na-butyrate on trinitrobenzene sulfonic acid (TNBS) induced rat colitis and discuss its mechanism.

19. The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid type ion exchange resin.

20. This paper introduces the synthetic process of a modified amino sulfonic acid series super plasticizer.

21. The condensed polynuclear aromatic(COPNA) resin was synthesized using coal tar pitch as monomer and terephthalic aldehyde as cross-linking agent in the presence ofp-toluene sulfonic acid.

22. Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.

23. This article aims at summarizing the development of research on synthesis of tributyl citrate and the catalysis of sulfonic acid, inorganic salt, solid superacid, heteropoly acid, rare earth compound.

24. A new syntan product prepared with tar phenol and lignin sulfonic acid.

25. IR spectrum analysis indicates that AMPS - EP contains epoxy groups , sulfonic acid groups and sulfonic ester groups.

26. The development of research on synthesis of Butyl Butyrate and the catalysis of sulfonic acid, inorganic salt, solid superacid, heteropoly acid, enzyme catalysis compound are summarized.

27. Objective:To investigate the roles of pentoxifylline(PTX) on the murine 2,4,6 trinitrobenzene sulfonic acid (TNBS) colitis model.

28. An optimum condition of spectrophotometric determination of trace nitrite in waste water with p aminobenzene sulfonic acid 8 hydroxyquinoline is dealt with.

29. A new syntan product was prepared with tar phenol and lignin sulfonic acid.

30. Synthesis ofp - nitro - ethyl benzoate with benzene sulfonic acid as catalyst is reported.