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1. Methyl tertiary butyl ether could work as substitute for lead but it is expensive.

2. Raw materials are n - butyl aldehyde and formaldehyde.

3. Xylene, butyl alcohol solvent is slow.

4. The compound butyl rubber is calendered.

5. It is made of butyl rubber and reusable.

6. Possess of unique butyl quantity alarm system.

7. The polymerization of butyl methacrylate initiated by trichloromethane and tetra - chloromethane were also discussed respectively.

8. Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.

9. This thesis used ethanol, isopropanol, normal butyl alcohol and isobutanol and uses four methods to prepare double metal alkoxides with iodine used as catalyst.

10. Antioxidant tertiary butyl hydroquinone was prepared by hydroquinone and tertiary butyl alcohol.

11. Objective To establish gas chromatographic method for butyl acetate in workplace air.

12. A rearrangement reaction of 3 - butyl phthalide to 1 - methyl - 5 - carboxyl - tetrahydronaphthalene under the catalysis of A1C13 by hydride transfer was observed.

13. Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation.

14. tri-n - butyl tin hydride is, a univenal organotin reagent in organic synthesis.

15. Methyl tert—butyl ether(MTBE)is a powerful and rapidly dissolving agent of cholesterol gallstones up to now.

16. The matching use of the butyl rubber and the polyisobutylene with different molecular weights facilitates the improvement of the strength and workability of the transparent butyl hot-melt sealant.

17. Said invention obtains the 3-butenyl phthalide by using butyl lithium p-0-phenylenediformic anhydride for direct alkylation and then eliminating reaction.

18. Methods Lactic acid and butyl alcohol reacted butyl lactate by using potassium bisulfate as the catalyst.

19. Butyl stearate has a very wide use, for example, it can be used as lubricant.

20. These were sealed in the same way as the rooflights, with air / vapour barrier material and plenty of butyl tape.

21. Conclusion Potassium bisulfate is an excellent catalyst for the synthesis of butyl lactate.

22. The dipping solution (DS) of nylon-66 cord fabric contains latex, resorcinol, formaldehyde, ammonia, ethene and butyl benzene. The COD content and turbidity in DS wastewater are very high.

23. The effects of mass concentration, aeration rate, feeding mode, settling time on the biodegradation of butyl xanthate were investigated.

24. Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.

25. High performance quadripolymer latex for waterborne anti-corrosive paint is synthesized by use of butyl acrylate, styrene, acrylonitrile and acrylate acid.

26. By pot trial we studied the influence of 2,4-D butyl and brassinolide to the safety of soybean and to efficacy of fomesafen.

27. Aceclofenac was synthesized in 82 % overall yield from sodium diclofenac and t - butyl chloroacetate viaesterification and hydrolysis.

28. A series of multicomponent catalysts for preparation of methacrolein by oxidation of tertiary butyl alcohol were prepared.

29. Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride,(sentence dictionary) butyl alcohol and lauryl alcohol as reactants.

30. Besides, it has its characteristic flavouring components such as butyl butyrate etc. which could hardly be found in other Luzhou-flavour liquors.