fluorine造句31. Fluorine containing aniline resin was synthesized by polycondensation of 2 TriFluoromethyl aniline with formaldehyde.
32. According to the trait of rocket propellant a kind of protective gloves made of composite fluorine rubber is developed which can be used to protect the skin of red fuming nitric acid worker.
33. Fluorinated diamond-like carbon (a-C: F) films with different fluorine content were grown on silicon (100) substrate by pulse filtered cathodic vacuum arc source technology (FCVA).
34. The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.
35. In order to reduce the expense of fluorine production, carbon electrode is applied to producing fluorine by moderate temperature electroanalysis.
36. Lixiviation is chief geochemistry action to control fluorine content undergo very long geological age.
37. The source and control of fluorine in edible betel nut.
38. The structure of floating multicavity mold for fluorine rubber was stated.
39. Production process: after casting, extrusion, tinting, electrophoresis, powder coating, fluorine carbon spraying, mould, polishing, wood, metal wiredrawing, such extrusion.
40. MorpheusObstacle person can choose chloric nitrogen smooth, chlorpromazine , Taierdeng, mellow flesh of Ding of Pai of usable also fluorine is noted.
41. An investigation was Conducted within a brickkiln and the fruit trees around it in order to understand the fluorine pollution from the brickkiln .
42. Tooth paste with fluorine can effectively guard against tooth decay.
43. Dental fluorosis distributes all over the world. The main cause of it is overdose of fluorine.
44. It indicates that they have need to sorb different amount of fluorine.
45. The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
46. Pitch fluoride powders were prepared through the reaction between mesophase pitch grain and fluorine gas in rotative nickel reactor.
47. The test results show the following order of soil types as regard to the soluble fluorine contents from high to low: Shajiang dark soil, Yellow brown earth and Purple soil, Paddy soil, Limy soil.
48. Fluorine is an important trace bio-essential element. Its deficiency or excess related to geological setting can cause organism distortion or supersession abnormality.
49. In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.
50. Objective:The research niter benzene puts down to the recovery period fluorine acetamide is poisoned patient's electroencephalogram influence.
51. Structure Fluorine perchlorate should be analogous to perchloric acid, but with the replacement of the lone hydrogen atom with an atom of fluorine.
52. Fluorine fights tooth decay.
53. The healthy ingredients of tea: important functional ingredients in the tea include: fluorine, caffeine,[http:///fluorine.html] and acacatechin.
54. Fluorine containing finishing agents, featuring excellent hydrophobic and oleophobic performance are good finishing agents used to treat textile, leather, paper and other substrates.
55. Commonly used androgen preparation has hydroxide of ketone of third acerbity spermary, fluorine methylic spermary element, 2 methyltestosterone, go inside hydrogenous Gao ketone ester.
56. The fluorine content in the residue of acid lixivium is a constant. These factors should be taken into account when the limits is laid down for fluoride exposure and fluorine levels in foodstuff.
57. The absorbability and resistance of various trees are different to fluorine.
58. Corn is the staple food, and chili is the favorite vegetable in the coal-burning endemic fluorosis areas. Fluorine in corn can be totally extracted by acid lixivium by once.
59. The determination of fluorine in phosphatic ore by electrode method was presented.
60. The high fluorine content groundwater was resulted by the complicated geophysics and geochemistry causes.