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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[sentencedict.com], 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.