1. So-called humic coals have a known gas potential inherited from their high proportion of woody organic matter.

2. The effect of brown humic acid was moderate.

3. Humic substances are known to coat membrane filters.

4. The use of humic acid FA.

5. Extraction of humic substances from sediments is often the first task that confronts the investigator.

6. Humic acids are usually regarded as polymers of aromatic compounds.

7. This thesis studied Several physiological effect of humic acid compound circuit in strawberry.

8. Coal rock can be classified as humic and sapropelic coal.

9. The static adsorption of humic acid and phenol from water in single and double component system onto ZH-02 resin of styrene-divinylbenzene modified by benzoyl group was carried out.

10. Humic acid was extracted from Swampy soil in Zhongdian on Yunnan.

11. Alkali-soluble humic acids (AHA) from chicken manure was lack of aliphatic and saccharide increased.

12. Sodium Peat Humic Acid inhibits the Cytochrome P_(450) of the liver of mice, Strengthens the effect of thiopental sodium on the central nervous inhib...

13. The authors extracted yellow humic acid from Hongyang 1 # peat and degraded products.

14. Humic acid extracted from peat was classified into seven fractions by alcohol precipitation technique for the analysis of thermolysis, flocculation limit and some optical properties.

15. Water treatment agent of quaternary humic acid has been prepared, its properties of biocide and scale and corrosion inhibition are evaluated.

16. The adsorption of hexavalent chromium by in solubilized humic acid was investigated.

17. Determination on humic acid for compound fertilizer by potassium bichromate titrimetric method, it is convenient to application and popularity, test results are satisfaction.

18. Humic Acid, Nitro-Humic Acid, Potassium Humate, Sodium Humate, sodium Sulphate Anhydrous, Caustic Soda, Cron Starch, Ammonium Bicarbonate.

19. Sodium Peat Humic Acid inhibits the Cytochrome P_(450) of the liver of mice, Strengthens the effect of thiopental sodium on the central nervous inhibition of mic...

20. Azomethine H Spectrophotometric Method for Determining Boron in Humic Fertilizer is described.

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21. They believe that the humic materials are leached from decaying plant materials.

22. Kerogen type is mainly humic, and terrestrial higher plants are the petrologen.

23. The new methods mainly contain the adsorption of natural materials, modification materials, humic acids, biosorption, quod of silicon micro encapsulization and nanotechnology.

24. The invention relates to a compost accelerant, in particular to a compost accelerant prepared from alkyl polyuronide, humic acid or humate and sugar waste.

25. Humic acid had significant photosensitization on tetramethrin, and itsphotosensitization increased rapidly as the humic acid concentration increased.

26. The relationship between acid and food safety mainly reflectsroles of humic acid in food production.

27. This paper describes the principles and methods of extracting humic acid product from lignite.

28. It's also proved that copper complexes are bioavailable to Daphnia magna. Moreover, the bioavailability of copper complexed with humic acid is more than that with EDTA under the same concentrations.

29. The herbaceous peat of humus and high—ashes is mainly used for all kinds of composts, humic fertilizer and Krilium.

30. In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.

31. IR spectra showed that H-bonds and charge-transfer bonds between humic acid and fungicides probably operated as mechanisms of adsorption.

32. The results in this paper fully showed the synergetic effect of humic acid on chemical fertilizer and ameliorable effect on physical properties of soil.

33. This paper concerns water situation, soil constitution, PH value, organic matter content and humic composition of chernozem under different artificial forest.

34. Results showed that uranium concentration is closely related with the organic matter, and the organic matter in uranium ore is mainly in the form of humic acids adsorption and humate.

35. The fulvic acid or humic acid is the body, in which some proper lipophilic group or hydrophilic group has been inducted, of the series of humate surfactants .

36. We obtained humic acid sodium which moulded lignite semi-coke used in ferroalloy plan from brown coal riching in Yunnan province.

37. Ultimate analysis provides an useful inventory of the distribution of the major elements in humic substances.

38. Humic acid is an organic macromolecule compound, and performs many functions.

39. In the immense and vast global biosphere, there exists a kind of noteless melanocratic organic matter which is humic substances.

40. Humic acid is the key for constructing protective system of modern agriculture and source security of food production.

41. Results indicated that the growth and quality of tobacco were improved by the application of sesame cake, humic acid and rye grass.

42. The humic acid (HA) was used as the precursors of trihalomethanes(THM), the overall reaction order is second - order.

43. Infrared spectroscopy of fulvic acid, humic acid and humin showed the addition of cotton residue decreased the content of oxygenous groups, and increased the alkyl and amide groups.

44. Waters with low SUVA values contain primarily non - humic matter and are not amenable to enhanced coagulation.

45. The invention provides a humic acid organic biological compound fertilizer, which contains active ingredients of activated humic acid, chicken manure, biological bacteria, etc.

46. The molecular structure of humic substance in dyke sludge has great specific surface area and active functional groups with strong reducibility and high concentration of radicals.

47. Yellow humic acid ( oracid FA ) was an active constituents of acid. Its national resources was more amendment.

48. The humic acid is traditionally obtained by adding acid to the extracting liquid through base.

49. The humic acid ( HA ) environment - benign agrochemicals should be understood with scientific development view.

50. CCSA HA is of the Rp type of humic acids.

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51. An indirect method was used for determine the complex calcium in nitro humic acid complex calcium.

52. The half - life of humic acid is measured in centuries.

53. The humic process and calcific process are obvious in wild walnut forest soils, but it is weak in argillic process.

54. By using round-plate method, the regulation of stomatal opening by abscisic acid (ABA), kinetin (KT) and humic acid (HA) was compared.

55. These included D-amino acids, which are mirror images of the L-variety normally found in living things, and compounds called porins, lipopolysaccharides and humic acids.

56. Result shows that when humic acid sodium is used as glue of lignite semi-coke, it has good composite index.

57. Therefore, preozonation or biological pretreatment of source water could improve the chemical safety of drinking water before chlorination, especially when it was rich in humic substance.

58. Humic acid is one of important semi - finished products that produced during oxidation degradation of the coals.

59. Today, treatment techniques for waste slurry of molasses alcohol included irrigation and drainage, concentration and burn up, bio-oxidation, active humic acid etc.

60. The measurement of humic acid, trihalom- ethanes and nonvolatile organic compounds in raw water, chlorinating water and tip water of several waterworks were carry out in two dis- tinct seasons.

61. Reverse osmosis and nanofiltration membranes fouled by humic acid were systematically characterized by transmission electron microscopy.

62. Resinite is a rich n 1 aceral in Teriary humic coal, boghead - cannel coal and oil shale fromHuangxian Coalfield.

63. In humic , fulvic acid appears to be most active.

64. Adsorption of chlorpyrifos on humic acid (HA) of neutral purple soil was studied through balance vibration method.

65. But the oil fields whose major contributing components are undisputedly humic coal have not been discovered so far.

66. This paper is a general review on humic substances research.

67. Low humic acid concentration accelerated 2,4 - DCP photodegradation rate while high humic acid concentration restrained photodegradation.

68. The combined states of soil humic substances were studied after undecomposed organic materials were applied into sodic meadow paddy soil.

69. We studied the fabricating method of humic acid sodium and forming process of lignite semi-coke and tested strength indexes of moulded coke of different proportioning.

70. PGPR inoculum and humic acid-contained fertilizer can increase the survival rate of afforestations on loess plateau as well as the output of economic trees.

71. 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.

72. Humic acid was extracted from swampy soil in Zhongdian at Yunnan and characterized.

73. Soil organic matter (SOM) is the constitutive and biological basic substance of soil, is the condition and product of vital activity. Humic substance is major in SOM.

74. Experiments show that causticizing by adding a small quantity of slaked lime can eliminate the interference of carbonate ions and humic acid salts.

75. The humic acid was dosed as the precursor of trihalomethanes(THM) and second order kinetics was identified for the THM formation reaction.

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

77. The hydrocarbon generating assemblage can be divided into two types of cannel boghead deep lake mudstone and humic coal cannel coal shallow lake mudstone in this basin.

78. Infrared spectra (FTIR) showed that mechanochemistry reaction occurred and the resultants mainly were humic acid salt during milling.

79. The humic acid bonded silica gel has characteristics of larger penetrating capacity, high adsorbance per unit quality and high selectivity when it is used for solid phase abstraction.

80. The herbaceous peat of mesic and medium—ashes is mainly used for the nutrition soil, nutrition—bowl, fuel, extracting humic acid, and made into humic fertilizer.

81. The poplar growth and soil enzymatic activity was studied as affected by humic acid fertilizer(NHA), which was made by activated brown coal.

82. The result indicated that applying humic acid properly decreased nitrate con-centration but increased nitrate reductase activity(NRA) and enlarged nitrate metabolic pool size in leaf vegetables.

83. We use the best lignite or peat, activity humic acid sodium manufacturing.

84. Plastics degradation is the combination of photo-degradation and biodegradation, beginning with the photo-degradation and metabolized by biodegradation and turning into humic substance, H_2O and CO_2.

85. Gas in Huayingcan 1 well is humic type natural gas, with small amount of sapropelic gas.

86. Studies on organic geochemistry show that the organic matter of the Tertiary oil-generating rocks in the west is mainly mix-typed, and part of it belongs to sapropel and humic types.

87. In the meantime, chemical promoter 4PU-30, Yield precise, humic acid and IAA can promote single spike weight and growth of regeneration bud, which resulted in high spike numbers and high yield.

88. Effects of application of sesame cake, humic acid and ploughing back of alfalfa and rye grass on the growth and quality of tobacco were studied in the field experiment.