1. It comprises mainly lignin and cellulose fibres too short for re-use with an organic matter content of 10 % to 30 %.

2. Normal wood substance containing lignin does not do either of these things.

3. This material includes cellulose, hemicelluloses, pectin, and lignin.

4. Lignin is a characteristic component of secondary walls.

5. The structure unit of lignin is guaiacol.

6. Corn stalk is composed of cellulose, hemicellulose and lignin.

7. The application of alkaline liquor and alkali lignin in petroleum industry are summarized in this paper.

8. Lignin and plant disease resistance have a great mutuality, and cell wall lignification is an important mechanism to wheat slow rusting.

9. The relationship between lignin content and relative absorptivity of IR - spectra of korean pine are studied.

10. Synthesis of cationic lignin flocculant by Lignin, epichlorohydrin and trimethylamine was obtained.

11. Horseradish peroxidase catalyzed the copolymerization of lignin with cresol in the reversed micellar system.

12. Lignin of rice husk was extracted by the high boiling point solvent(HBS) digesting process with aqueous solvent of ethanediol.

13. Lignin and small amounts of un - hydrolyzed cellulose and hemi - cellulose are the residues of sawdust hydrolysis.

14. Lignin obtained from desulfonation of black liquor, had high purity, high molecular weight, good-heat stability and plasticity through the analyses of IR spectrum, GPC, TG-DSC and Torque curve.

15. Hydroxyalkyal lignin was synthesized from alkali lignin with propylene oxide. Then it was epoxied by epichlorohydrin catalyzed via boron trifluoride etherate to form lignin based epoxy resin.

16. Synthetic methods of vanillin include o-methoxyphenol method, lignin method, safrole method, eugenol method, methyl hydroxybenzene method and microbial method.

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17. Substances such as lignin, phytoalexin, active oxygen, salicylic acid are known to play important roles on the plant disease resistance.

18. A new method of rapidly quantitatively analyze trace lignin in flax fiber by turbidimetry was proposed in this paper.

19. Of particular interest are genes that reduce the amount of a substance called lignin, or that weaken lignin's chemical structure.

20. Thus, cotton consists of cellulose; and so does wood, though wood is toughened with lignin.

21. The effects of oxiammonolyzation by hydroperoxide on the main functional groups of wheat straw alkaline lignin were studied.

22. The results showed that carbonyl groups in degradation products obviously increased and quinoid matters were produced when dioxane lignin reacted with hydrogen peroxide.

23. Kerogen is the leftover material of sporopollen element and lignin in original bodies in different thermal metamorphic period and it is the original material of gas-oil formation.

24. The occurrence of CONH2 connection chain weakened originally-possessed net structure of the lignin, so the outcome after connection shows better adsorption ability than before reaction.

25. The Casparian strip in roots and some stems contains suberin, lignin, or similar substances.

26. Hemp retting by high temperature boiling, followed by pectase treatment can remove hemicellulose and lignin by 83.3% and 79.2%, respectively.

27. Although aromatic rings were not changed very much, side chains of lignin such as carbonyl groups, CH_2, syringic units and guaiacyl units were partly degraded.

28. While the precipitation is washed, dried activity and low ash content lignin is acquired.

29. Results show that sawdust of black wattle branches which contains more protein, lignin. pentosan, starch, P and Ca etc. than the ordinary mixed sawdust is a good substrate.

30. The ultraviolet spectrum was used in identifying quantificationally the lignin, identifying some special function group and mensurating the acute changes after the chemical treatment.

31. The thermal degradation and charring of both larch lignin and manchurian ash lignin in the condensed phase were comparatively investigated by using TGA, FTIR and XPS.

32. This experiment investigated the relationship between mycelial growth of Coprinus comatus and utilization of holocellulose, lignin and starch in culture materials.

33. The present invention relates to lignin acid which is obtained by being separated from taraxacum plant and the strong activity of the compound of inhibiting acetylcholinesterase.

34. The article reviews current research situation and progress in biobleaching with hemicellulase, and lignin - oxidizing - enzymes peroxidaseperoxidase.

35. The effect of organic expanders including humus acid, lignin, violanthrone and iso violanthrone on the performances of the lead-acid battery are described.

36. Lignin based polyurethane films were prepared by solution casting from hydroxypropyl lignin derivatives and hexamethylene diisocyanate (HDI) or toluene diisocyanate (TDI).

37. The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.

38. Corn straw consists mainly of cellulose, hemicellulose and lignin , it is a abundant of renewable resource.

39. The iodometry for detg. effective Cl in the chlorinating reagents for flax lignin was studied for the feasibility, analytic method and the cautions.

40. The stover was abundant and renewable resource and mainly consisted of cellulose, hemicellulose and lignin.

41. Then the spherical lignin beads were adopted to adsorb the L - aspartic acid.

42. The results indicated that ammoniated lignin Ls -1 could accelerate the growth development and increase yield of cauliflower and cowpea, and it could be used in pelletized seed coating.

43. A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .

44. Lignin and P cresol react each other from Infrared spectrum of the coploymer.

45. Strain BP2 could secrete laccase and remove almost about 80% acid-soluble lignin from the system.

46. By means a micro - twin - blender the blending of lignin with poly ( butylene terephthalate ) ( PBT ) was studied.

47. Experiment research synthesis of additive by chemical conversion of lignin sulfonate introduced.

48. Under ordinary pressure, the methods of Kraft cooking, bisulfite cooking and organic solvents cooking were compared for the effects of separating lignin in Populus alba L.

49. This paper aims to study the method of biological acidation precipitation in which organic acid is produced by acid-producing bacteria from cheap carbon resources to extract lignin from black liquor.

50. The results showed that the paper mulberry bark has the characteristics of long-fiber, lower lignin content, higher holocellulose and well fiber shapes and is suitable for pulping.

51. The results show that lignin sulfonate coagulation time of COP rapid hardening high strength cement.

52. Lignin and pentosan content decrease from pith to bark. and level off after 10 to 12 years old.

53. Lignin is the second largest aromatic polymer material only inferior to cellulose in amount.

54. The high purity of guaiacyl lignin in Douglas fir fiber.

55. Paper is made of fibers, lignin, resin, fillers, compounds such as feedstock composition and color.

56. After FP acidolysis, the lignin was once again found to be GSH type just like MWL.

57. Lignin and cellulose are potential resources for being recycled. The investigation of biodegradation of lignin and cellulose by microorganisms has been more and more active in recent years.

58. Xylanase treatment could improve the lignin solubility in the follow - up alkali extraction.

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

60. The methods for preparing structural material bonding agent by condensing the alkaline lignin in the wast liquor of soda pulping process with formaldehyde and phenol are described.

61. Under optimal conditions, the rates at which white rot fungi mineralize lignin rival their rates of polysaccharide degradation.

62. The stover is abundant and renewable resource and mainly consists of cellulose , hemicellulose and lignin.

63. As ClO2 has great oxidizing power, it can choose to oxidizing lignin and coloring matter,() but be less to carbohydrate.

64. The paper introduced the structure design of grain shape lignin fiber automatic charging machine, and analysed the collecting principle of its technical parameter.

65. Freshly blown pulp turns a reddish brown when exposed to air, on account of oxidation of lignin and coloring matter remaining in the pulp.

66. These results confirmed quantitatively that lignin oxidation is essential for the delignification during oxygen bleaching.

67. To investigate the mechanism of discoloration of black locus wood during thermal treatment process, the variations of functional groups in the lignin of black locust are studied by FTIR and UV-Vis.

68. Our results suggest GH2 acts as a primarily multifunctional CAD to synthesize coniferyl and sinapyl alcohol precursors in rice lignin biosynthesis.

69. The char yield for cellulose, xylan and lignin decreases with temperature rise, and finally closes to a constant value about 1.5%, 22% and 26%.

70. The polyurethane was synthesized by modified lignin substituting part of glycol and toluene diisocyananate or diphenylmethane diisocyanate.

71. Oxidative ammonolysis reaction of wheat soda lignin and wood kraft lignin was studied.

72. Crude protein and acid detergent lignin were lower and digestible dry matter higher in red deer diets conpared with roe deer.

73. A combination of lignin and cellulose that strengthens woody plant cells.

74. The bio-oil from xylan and lignin shows a higher thermal stability.

75. The order of the pretreatmemt effectiveness is lignin - activating agent, chelating agent, xylanase and sulphuric acid.

76. The degree of lignification varies from slight in protoxylem to heavy in sclerenchyma and some xylem vessels, but values of 25-30% lignin and 50% cellulose are average.

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

78. The recovery process of lignin from the alkaline reed paper - effluentliquor by acidulation precipitation was studied.

79. The corn stover mainly consists of cellulose, hemicellulose and lignin.

80. The result shows that lignin power has the same action as silane couplant KH-590 and the lignin waste liquid contented sulfur is still a good aid in rubber.

81. It shows a good linear relationship between the sand stabilization strength of the biomass sand stabilization material and the cross-link degree of lignin C5 position.

82. The crane lignin has the anti - mutagenesis and the anti - allergy characteristic.

83. To measure the degree of change in the lignin, they first fed pin oak wood to Asian longhorned beetles.

84. The lignin oxidative system of 8 fungi species were analyzed qualitatively by two methods besides using syringaldazine as the substrate and the decolorization of aniline blue in plate cultivation.

85. After hydrogenolysis of wheat alkali-oxygen lignin, the lignin has more hydroxyl, which can easily promote the reaction activity of synthesis of macromolecular material.

86. Softwood sulfite pulp is light colored and contains a comparatively small amount of lignin.

87. Adopt the chemical method, carry on the saponification to the lignin sulfonic acid calcium, and compound with the surface-active agent.

88. The second step of bamboo pyrolysis could be considered as the pyrolysis of cellulose and lignin to volatile matter and char, and well described by a parallel first-order reaction model.

89. Hydroxyalkyal lignin was epoxidized by epichlorohydrin catalyzed via boron trifluoride etherate to form lignin - based epoxy resin.

90. The chemical composition of silver grass is mainly composed of cellulose and lignin, hemicelluloses and extraction. The contents of chemical composition are also different in different parts.

91. The results showed that alkali lignin of rice straw is a good fertilizer raw material. It has high dissociable humic acid content and good fertilizer efficiency.

92. In Han lignin that direct way, higher reliability, more convenient and safe.

93. The results showed that the lignin in the unbleached pulp was mainly composed of syringyl lignin (S-lignin) and guaiacyl lignin (G-lignin).

94. Flax is an important bast fiber crop, and lignin has a greater impact on performance and quality of flax fibers.

95. This article summarized the research development of the reaction characteristic between lignin quinonoid chromophoric group and hydrogen peroxide.

96. The residual sugar contents containing in HBS lignin were tested by colorimetric analysis of DNS (3,5 -dinitrosalicyclic acid) and direct titration.

97. Dispersants such as lignin type, naphthalene sulfonate - formaldehyde condensates and polycarboxylic acids were introduced.

98. The organic agents prescription of lignin, lignin sulfonate, humic acid in negative paste and the effects of them on negative plate performance were studied.

99. The effects of transitional metal ions on the oxiammonolysis of wheat straw alkaline lignin with hydroperoxide were studied.

100. High boiling solvent (HBS) lignin amine was prepared by Mannich reaction with dimethylamine. The adsorption of HBS lignin amine and bromelain was investigated.

101. The present results indicated that POD had participated in the lignification. However, the distribution of POD was not same as the regions of lignin deposition completely.

102. Lignin is a kind of important macromolecular organic material and only inferior to cellulose inside plant, with a content of 15%-30%.

103. The microwave irradiation ( MI ) process to extract lignin from straw had been developed.

104. The lignin structures and probabilities of reed and amur silver grass were studied and compared.

105. Lignin of rice husk high boiling point solvent ( HBS ) digesting process with aqueous solvent of ethanediol.

106. The bamboo lignin is rich in syringyl units[/lignin.html], which is indicated by a high methoxyl content and respective bands in the IR spectrum.

107. Lignin has influences at different extents on mechanical properties, ageing property, thermostability and thermal degradation of plastics.

108. Lignin : Complex oxygen - containing organic compound, a mixture of polymers of poorly known structure.

109. The recovery process of lignin from the alkaline reed paper-pulping effluent black liquor by acidulation precipitation was studied.

110. The variation degree of PAL activity, lignin growmjiight-growth of each Alnus cremastogyne clones is consistent.

111. Lignin staining showed an increase in lignification in culms of the overexpressor lines.

112. Plant cell walls can be strengthened for extra support by addition of lignin (as in xylem and sclerenchyma)or extra cellulose(as in collenchyma).

113. The plant residue with more lignin has a higher humification coefficient. As the residue containing more N is more favorable to the formation of soil microaggregate.

114. The nutrient content of the straw is high. The crude proteincontent of the strow is 7.56%, and the gastricism factor of cellulose(lignin)islower.

115. Recent advances in lignin biodegradation of rice straw by Panus conchatus were attributed.

116. Corn stalk was an abundant and renewable resource and mainly consisted of cellulose , hemicellulose and lignin.

117. The Cinnamoyl CoA reductase (CCR) gene is involved in determining lignin content and composition in plant secondary cell walls and has been associated with wood strength characteristics in Eucalyptus.

118. Moreover, it was shown that degradation of lignin was promoted by veratryl alcohol added, no effect of veratryl alcohol on degradation of cellulose and hemicellulose was detected.

119. In this part, the presence of lignin in cooking liquor how to affect the viscosity, density and Hamaker constant have been studied.

120. After heating treatment, the relative content of lignin increased, while holocellulose and alpha-cellulose decreased of 4 years bamboo.

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