1. Smog is a major problem in Athens.

2. We were prevented by heavy smog from seeing anything.

3. The city was overhung with the pollutant smog.

4. The river appeared as if enveloped in smog.

5. Smog used to bring London traffic to a standstill.

6. Smog hung in the sky .

7. Cars cause pollution, both smog and acid rain.

8. Greenhouse gases combine with hydrocarbons to form smog.

9. On 75 days the smog was so bad that schoolchildren were advised to stay indoors.

10. Smog and acid rain, water pollution and sewage disposal, dams and river-flows will become ever more contentious issues.

11. Eliminating the occurrence of first-stage smog alerts requires long-term reductions in the baseline pollution levels.

12. The streets are clean, there's no smog to dull the sunshine, and the skyscrapers don't overpower.

13. Ethyl Corp. says it reduces smog and presents no threat to cars or public health.

14. Hydrocarbon smog from traffic; smoke from a coal-fired power station.

15. The coppery smog was so thick it obscured the setting sun.

16. The thick smog hung in the air, obliterating the hills from view.

17. The new measure is designed to help combat smog in cities, especially in California.

18. The EPA has issued a comparison of smog levels in various cities.

19. As we flew into the airport, we could see a murky yellow smog hovering over the city.

20. For example, although industry is often considered as a major contributor to smog, this may not always be the case.

21. He remembered his oxygen mask and placed it over his mouth after removing the smog mask.

22. So did women who gave birth after the thick London smog of 1952.

23. In sunlight, VOCs can react in the lower atmosphere with nitrogen oxides to generate photochemical smog.

24. Consequently, industrial stacks above about 150 metres or even 100 metres may contribute little pollution to smog locally.

25. In the fifties, doctors treated a number of people for the effects of smog in places like London and Birmingham.

26. They were blackened with soot deposited by the interminable smog.

27. Oh yes, and Hollywood, movie stars, freeways,[/smog.html] Baywatch and smog.

28. In the process it invented mass entertainment, the 10-lane freeway and smog.

29. Its engine acts like a vacuum cleaner by removing pollutants to become a smog buster.

30. Much more obvious is air pollution, the ugly brown cloud that brings on smog alerts and leaves residents wheezing.

1. Smog is a major problem in Athens.

31. A murky mist of smog obscured the view of the city.

32. However, effective action would be limited while the cause of the smog remained unknown.

33. But George W.'s Houston has the worst smog in the country.

34. But smog obscures this view for all but a few days a year.

35. Eventually, smog-check stations are expected to electronically transmit smog certificates directly to the Department of Motor Vehicles.

36. Flagged motorists will be notified by mail that they must get a smog check and have their autos repaired, Kniestedt said.

37. Few authorities consider that short-term emission reduction options can prevent the first stage of a smog occurring.

38. This smog would blanket the cities for days.

39. Smog has thickened the air.

40. Smog is a mixture of smoke and fog.

41. Black smog reduced visibility to about fifty yards.

42. Smog clouded the whole city.

43. In fog and smog, you recondition my air.

44. A blanket of smog is covering large industrial cities.

45. Afterwards " fuliginous model " , " photochemical smog " after pollution, modern is being entered with " indoor air is polluted " the 3rd generation that is a mark pollutes period.

46. The term photochemical oxidants refers to the secondary pollutants formed in photochemical smog.

47. Later, it was known as photochemical smog of this pollution.

48. Does the sun ever shine in this town , or is this smog always around?

49. Vast stretches of peat bog surrounding the city have dried out and caught fire covering Moscow with choking smog.

50. In London, Tokyo, New York and other cites, a weather condition called a temperature inversion allows smog to hang over the city for several days at a time.

51. A layer of smog can be seen above Manhattan through the Verrazano-Narrows Bridge in New York May 21, 2009.

52. The results show:(1) Inversion layer in the middle and southern of Huabei obstruct from the smog turbulence and diffusion on vertical, so that the smog can transport in a long distance.

53. The smog is so thick that you'd better wear a respirator.

54. The air is polluted with the smother of traffic and industrial smog.

55. And the smog from car's tail, how sportful breath is that! All these are not tasted in the countryside, and I like, I like all these very much.

56. Mercedes Cadillac and Toyota dealerships line the roads -- attesting to the personal wealth that has left the city's nighttime sidewalks chockablock with parked cars and its streets choking with smog.

56. try its best to gather and build good sentences.

57. When my family and I left China in 2004, we moved to Los Angeles, the smog capital of the United States.

58. In 1783, the Icelandic volcano Laki sent a sulphurous smog over Europe, plunging it into an extreme winter that killed thousands.

59. With an economy rooted in river transportation, steel, smelting, and the manufacturing of automotive parts, factory smog builds a haze over the city that virtually never dissipates .

60. Photochemical smog is found in many large cities all over the world.

61. Smoke from a bonfire of garbage mixes with the miasma of smog in the sky.

62. Hydroxyl radical ( OH ) initiated photooxidation of toluene was carried out in a home - made smog chamber.

63. Generally hydrocarbons are recognized as a component and promoter of photochemical smog.

64. The sky over the city was overspread with a heavy smog.

65. Then , the sunlight will no longer be blacked out by smog.

66. Total heat transfer of the furnace is equal to heat radiation coefficient alm ost , and is the function of systematic blackness, average smog temperature, wall l surface temperature.

67. Based on the introduction to a new-type phosphoric furnace structure, an engineering method for calculating the theoretical combustion temperature and smog exhaust temperature was proposed.

68. This system is approved in California for local smog - station installation.

69. Over 27,000 forest fires have been detected in the country since July, casting a thick blanket of smog over the Russian capital.

70. Under the cover of the smog, He snatched the pot on the sly.

70. Wish you will love and make progress everyday!

71. Can react with strong oxidizer, water, moisture can arose hazardous smog.

72. Adverse environmental conditions such as dry air, smog, smoke and wind can aggravate the condition.

73. It's suffused with a thick smog that's a perpetual sulphur-yellow, and suffocated by motes of coal dust suspended in the breeze.

74. New Volatile Organic Compound ( VOC ) Regulation to cut smog - forming pollutants.

75. There was also smog, or haze, or some version of atmospheric opaqueness for which the International Olympic Committee has yet to invent a word.

76. But the new study, in Proceedings of the National Academy of Sciences, concludes that smog from the extra coal acted to mask greenhouse warming.

77. Industry, it turned out, accounted for only ten percent of the smog in the city.

78. Besides, the system equipped the smog sensor and leakiness sensor of gas and guarded against fire and gas leakiness .

79. This dissertation adopts high-speed diagnostic technique and smog particle method to study the evolution of the light gas bubble and heavy gas bubble in the experiments.