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61. Products and Prossing Application: Fluorine and silicone coating, Fluoroplastic, Fluorine elastomer, Anticorrosive equipment, etc.

62. This paper reports a case of hydrofluoric acid burn complicated inhalation injury and serious fluorine toxicosis.

63. Although all plants normally contain fluorine, the concentration varies greatly.

64. Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.

65. Using a kind of fluorine polymer and HDI trimer to reinforce and conserve the paper documents was studied.

66. Nowadays the world authorities deal with the monitoring of multiple fluorine alkyl phosphate increased interest in.

67. Fluorine contents in grains of Xuzhou epidemic fluorosis area range between 0.

68. The silicon and fluorine rubber with high temperature resistance, low compression permanent deformation, and high tear strength properties can meet the water sealing gasket requirements.

69. ObjectiveTo study the effect of fluorine on the amelogenin gene expression of mus musculus incisors.

70. In recent years, fluorine Pai acid and sulphanilamide medicine combine application, clinical result is satisfactory.

71. The synthetic methods of modified acrylate latices with organic silicon compounds, epoxy resin, polyurethane, organic fluorine compounds were reviewed.

72. Those with transmission power below 3 kw adopt full fluorine structure.

73. Based on this, a new method to determine the fresh leaf with Fluorine ion counter directly was set up.

74. In medical industry, it is used in the production of cephalosporin V, sulfanilamide -6- methoxamine pyrimidine, fluorine pyrimidine.

75. The fatigue life decreased in neutral solution, and increased in base solution with pH12. The conversion film containing fluorine can hardly improve the fatigue life.

76. Conclusion Fluorine possibly damages the male reproductive system by reducing the expression of TERT and PCNA.

77. Objective To study the effect of fluorine on the ameloblastin gene expression of mouse mus musculus.

78. The results show that the herbicidal activity decreases as the hydrogen atoms of the alkoxy group at 4 position of the pyrimidine ring are substituted by alkyl, alkoxy groups or fluorine atoms.

79. Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.

80. The addition of a fluorine a drinking water supply for the purpose of reducing tooth decay.

81. The fluorine mixed gas prepared by this device, which may prolong the working hours of excimer-laser 2 to 3 times and prolong the average useful time of lens of laser 3 to 5 times.

82. The neutralization - hydrolysis process of the antimony trichloride solutions containing fluorine is investigated.

83. The high content of fluorine is closely related to the mixed-layer minerals of illite and smectite, apatite, hornblende [sentencedict .com], and K-feldspar.

84. What effect does sanded star of left oxygen fluorine have?

85. Fluorosurfactants basically consist of chains of carbon atoms surrounded by fluorine.

86. Sealing Material : O - shape or U - shape seal ring; butadiene acrylonitrile rubber, fluorine rubber.

87. Results:Two different concentrations of fluor protectors released certain amount of fluorine through the nine days period.

88. Through analysis to the goiter, the Keshan disease, the fluorine spot tooth and the endemic disease and so on, this paper tries to explain the relations between the geographical environment and t...

89. The kinetics on chlorinating the rare earth of Baotou rare earth mixed concentrate after fixed fluorine treatment was determined.

90. Nitro-4-fluoro amino-benzene is a kind of aromatic fluorine compound, it is the material on synthetic fluoro-medicine.