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1. The catalysis follows a hydroxy radical pathway.

2. Hydroxy Acid. Hydroxy acid helps remove the upper layer of dead, old skin and invigorates the development of smooth and new skin.

3. The research on producing 10 - hydroxy decanoic acid by alkaline scission of ricinoleic acid is reviewed.

4. The mechanism of association between hydroxy ethyl cellulose (HEC) and polyvinylpyrrolidone (PVP) has been studied by viscosity, UV, FTIR and DSC methods.

5. Modified soybean phospholipids coupling of ethylene oxide and hydroxy were prepared using soybean phospholipids via the reactions of ethoxylation and hydroxylation.

6. Using the new method, 2 hydroxy 3 cyanmethyl 5 methyl acetophenone was synthesized in a short reaction period, and the yield was good.

7. An emulsion of multi - component copolymer containing hydroxy group, carboxy group, and acrylate, is used for preparing the title adhesive.

8. The forth step is to synthesize 5 - hydroxy - 5 - methyl - 3,4 - diphenylisoxazoline.

9. We select the acetoxy group to protect the hydroxy group from a great number of the protection methods for the hydroxy group.

10. BHA, or beta hydroxy acid, is a form of salicylic acid and is used in some topical exfoliants to reverse signs of aging.

11. The treatment of hydroxy radical increase the active absorbing area per. , TTC root vigor and CAT activity.

12. By the alcohols and diacids or W - hydroxy acid synthesis of polyester line criminal macromolecules.

13. Results: The substance was identified as 22 hydroxy 23 , 24 bisnorchol 4 ene 3 one.

14. This gas, also called Brown's Gas, Oxyhydrogen, Hydroxy or Water-Fuel burns very smoothly and releases A LOT of energy.

15. The most difficult volatiles to dislodge will be those borne in compounds such as carbonates and hydroxy silicates.

16. Study on the synthesis of 2 - diethylamino - 6 - methyl - 4 - hydroxy pyrimidine.

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17. 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3, ...

18. Since the nucleic acids contain phosphonic group, basic group, desoxyribose hydroxy and double spiral species in nucleic acids, nucleic acids form easy multicomponent complexes with metal complex.

19. The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.

20. It is found that the etherification reaction of phenol hydroxy groups is a second order reaction and the ring closing reaction of chlorohydrin ether is a first order reaction.

21. The silicone molecules in the coatings can be adhered with the hydroxy group on the surface of substrate to form a network hydrophobic silicone film with excellent water proofness and durability.

22. AIM To study the antioxidant activity of 2 - ethyl - 3 - hydroxy - 6 - phenylthio - 4 ( 1 H ) - pyridone ( HPP ).

23. Acetoxy propyl cellulose (APC) was prepared by ester reation with hydroxy propyl cellulose(HPC) as raw material. The chemical structure of products were characterized by FT-IR.

24. By changing the proportion of raw materials, different kinds of molecular sieves are obtained, such as those of 4A zeolite, B zeolite, X zeolite , hydroxy sodalite and their mixtures.

25. The invention relates to a quinary polymerization fluororesin containing hydroxy and a synthesis method of the quinary polymerization fluororesin.

26. A method is suggested to determine the absolute configuration of ent kaurene diterpenoids by analysing the circular dichroism spectral data of 13 hydroxy ent kaurenoids.

27. The temperature reduction was shown to be an effective method for the most active C 6 hydroxy mono protection.

28. In order to investigate the charge transfer protection mechanism onDNA and damp another hydroxy cinnamic acid derivative- sinapine has been studied.

29. Modification of TDI trimer with butyl glycol has greatly improved its compatibility with hydroxy-containing resins, forming film with hydroxy acrylic resins.

30. Proteolytic enzymes catalyze oligomerization of the. alpha . - hydroxy carboxylic acid and . alpha . - amino acid.