1 Ozone is a highly reactive form of oxygen gas.

2 The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.

3 Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.

4 Scientists have observed a drop in ozone levels over the Antarctic.

5 Depletion of the ozone layer leaves the earth's surface increasingly exposed to harmful radiation from the sun.

6 The ozone layer is disappearing over northern Europe.

7 CFCs cause damage to the ozone layer.

8 The ozone layer absorbs solar radiation.

9 Ozone is the earth's barrier against ultra-violet radiation.

10 Ozone is the earth's primary filter for ultraviolet radiation.

11 Just breathe in the ozone on the sea.

12 Ozone is produced by the reaction between oxygen and ultra-violet light.

13 The W.H.O. safety standard for ozone levels is somewhere about a hundred.

14 The ozone layer forms a shield against harmful solar rays.

15 The ozone layer filters harmful UV rays from the sun.

16 The machine uses minute quantities of ozone to sterilise and deodorise refrigerated food vehicles.

17 The ozone layer screens out dangerous ultraviolet rays from the sun.

18 The ozone layer shields the earth from the sun's ultraviolet rays.

19 Press reports revealed that ozone levels in the upper atmosphere fell during the past month.

20 Alarmingly,[] the hole in the ozone layer has doubled in size this year.

21 During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about 8%.

22 They will press for international action to safeguard the ozone layer.

23 It is widely known that CFCs can damage the ozone layer.

24 Various ecological issues have come to the fore since the discovery of the hole in the Earth's ozone layer.

25 What they find could provide clues to what might happen worldwide if ozone depletion continues.

26 A team of scientists has been studying the chemistry of the ozone layer.

27 Our discussion ranged over various topics, such as acid rain and the hole in the ozone layer.

28 The use of CFCs has been linked to the depletion of the ozone layer.

29 The rise in greenhouse gases parallels the reduction in the ozone layer.

30 Global warming could be accelerated due to the thinning of the ozone layer.

1 Ozone is a highly reactive form of oxygen gas.

2 The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.

3 Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.

4 They will press for international action to safeguard the ozone layer.

5 Scientists have observed a drop in ozone levels over the Antarctic.

6 It is widely known that CFCs can damage the ozone layer.

7 Various ecological issues have come to the fore since the discovery of the hole in the Earth's ozone layer.

8 Depletion of the ozone layer leaves the earth's surface increasingly exposed to harmful radiation from the sun.

9 Just breathe in the ozone on the sea.

31 Every spring the ozone is chewed up, and the hole appears.

32 In heavy concentrations, ozone is irritating to the eyes, nose and throat.

33 There are holes in the ozone layer above Antarctica.

34 Both climatological and model-determined ozone fields were used.

34 Wish you will love and make progress everyday!

35 The Government hosted an international conference on ozone depletion.

36 Just breathe in that ozone!

37 Shading denotes where the ozone column is under 240DU.

38 Initial ozone concentrations were taken from a mid-December climatology.

39 Ozone is also decomposed through other chemical reactions.

40 These results are broadly consistent with observed ozone changes.

41 But it will be decades before the ozone heals.

42 Ozone irritates the eyes, nose, throat and respiratory system.

43 By then, car crime had pushed insurance rates up beyond the ozone and way past the stratosphere.

44 Electric vehicles would introduce lead releases to reduce urban ozone, a lesser problem.

45 Animal studies have shown that chronic long-term exposure to ozone causes lung scarring similar to that associated with cigarette smoking.

46 But, like global warming, ozone depletion was based on theory.

47 Suppose pollution beyond a certain critical level would have disastrous social consequences,() for example irreversibly damaging the ozone layer above the earth.

48 In California, pines suffer from yellowish flecking due to ozone pollution and Los Angeles is notorious for its thick ozone smogs.

49 These are the greenhouse effect, the destruction of the ozone layer, and acid rain.

50 Nevertheless, two environmental issues are clearly global in scope - ozone depletion and climate change.

51 This enables predictions of ozone formation at a particular location to be made and allows local authorities to take remedial action.

52 On March 10 the authorities issued a warning to people to stay indoors after concentrations of low-level ozone reached record levels.

53 It also changed the monitoring period for ozone to better reflect actual air quality.

54 Given the enormous and costly pollution control efforts to tackle ozone pollution to date, these variable ten-year trends are very disappointing.

55 We will strive to accelerate the eradication of ozone depleting substances.

56 The ozone molecules are very thinly spread within this area but their fragile existence nevertheless serves a vital function to life.

57 Apparently it has been recognised for over a decade that chlorine from chlorofluorocarbons may deplete the stratospheric ozone layer.

58 They had helped the refuelling and restocking of colonists' ships fleeing the overpopulation, radiation and ozone poisoning.

59 It is essential that these countries, too, adopt policies that will help to protect the Ozone Layer.

60 Most people know about the Ozone layer in the earth's stratosphere.

61 The polar regions are particularly at risk because the chemical reaction that destroys ozone is helped by their weather conditions.

62 Here we present observations of a large summer minimum in ozone concentration in the unpolluted marine boundary layer of the Southern Hemisphere.

63 The debate about the depletion of the ozone layer has been so far hampered by a scarcity of data.

64 During January, the scientists measured ozone losses of about one percent per day at some heights./ozone.html

65 Ultra-violet light sterilisers perform a similar job to ozone without so many possible side effects.

66 This would remove chlorine from the chain of reactions which destroys ozone.

67 Figure 2 b shows the differences in total ozone between the two simulations on 25 March.

68 Contours are shown only where the chemistry has depleted ozone by more than 10%.

69 Acid rain and marine pollution hurt neighbouring countries; ozone depletion and global warming threaten the entire planet.

70 Estimates of ozone depletion and skin cancer incidence to examine the Vienna Convention achievements.

71 So the ozone resides around the clock, with an exposure time much longer up here than on the valley floor.

72 Scientists are investigating the ways in which climate changes affect the ozone.

73 But because of their longevity they are expected to go on damaging the ozone layer for decades.

74 The air in El Paso is arguably the dirtiest in Texas, violating federal standards for ozone, carbon monoxide and particulates.

75 However, ozone also participates in complex chemical reactions involving trace substances in the stratosphere.

76 Hydrocarbons also contribute both to acid rain and to ozone formation.

77 When agitated, liquid ozone reorganizes into oxygen molecules with the release of sufficient heat to vaporize all the liquid.

78 But they are thought to destroy the ozone layer, which protects the earth from the sun's rays.

79 The plan also provided for measures to protect endangered species, protect the ozone layer and increase energy conservation.

80 The night-time replenishment of ozone is presumably caused by transport of ozone-rich air from higher altitudes.

81 Vegetation indirectly created the protective ozone shield by pumping oxygen into the atmosphere.

82 Figure 1 shows the average diurnal variation of ozone and total peroxide in baseline air for January 1992.

83 This reacts with the chlorine in a similar way to ozone in the stratosphere, but more usefully.

84 They help deplete the ozone layer, allowing ultraviolet rays to cause deadly skin cancers.

85 Each month during 1991 saw average ozone levels reach new highs.

86 These then combine with other oxygen molecules to form three-atom ozone molecules, resistant to ultraviolet radiation and able to absorb it.

87 The rest of the ozone layer of management at Salomon Brothers had never really been in touch.

88 Ozone levels in October reached 340 points - four times the World Health Organization's maximum recommended exposure levels.

89 CFC is just one chemical that depletes the ozone layer.

90 Today there is general agreement that ozone is destroyed by chlorine.

91 A worldwide agreement reached more than 10 years ago banned the long-lived chemicals responsible for ozone destruction.

92 If ozone deterioration persisted, they warned, solar ultraviolet radiation would flood Earth.

93 A series of other steps will be triggered by particularly high levels of low-level ozone pollution.

94 A spark-boat sputtered by, filling the air with the smell of ozone.

94 is a sentence dictionary, on which you can find excellent sentences for a large number of words.

95 If, for any reason, the stratospheric Ozone Layer becomes thin, its effectiveness as a barrier to UV rays decreases.

96 Satellite observations reveal the area of major ozone loss to be about the size of the United States.

97 Jaq heard the crackling hum of the sword, smelled ozone.

98 During October 1987 a 13 percent stratospheric ozone reduction was measured there.

99 Some are deflected by the ozone layer, but others penetrate to ground level.

100 The destruction of the ozone layer will have a very harmful effect on the environment.

101 A clear example can be seen in the case of the destruction of the ozone layer, causing the greenhouse effect.

102 An intact Ozone Layer prevents about 99% of the sun's UV rays from reaching the Earth.

103 Government monitoring stations measure levels of pollutants such as nitrogen oxides or low-level ozone but fail to publicise them widely.

104 There will be displays on acid rain, the ozone layer and global warming.

105 The prime minister is still basking in the success of last month's conference on the ozone layer.

106 Concern about ozone depletion has until now centred on its effects on humans, for instance through increased skin cancers.

107 The observation shocked the world into action and convinced scientists and governments alike that ozone depletion was a serious problem.

108 Satellite measurements show that ozone loss worldwide has amounted to 2.9 percent over the past 10 years.

109 In contrast, the Mac team was off in the ozone, designing a computer that fit their own woolly sensibilities.

110 Ozone shields the planet from the effects of the sun's ultraviolet radiation.

111 That must have a profound effect on the ozone layer.

112 As winds sweep these chemical pockets into middle latitudes they encounter sunlight and trigger rapid ozone destruction.

113 Ultraviolet light, hydrogen peroxide and ozone assure crystal-clear, clean water.

114 It is estimated that every chlorine molecule has the ability to destroy 100,000 ozone molecules.

115 When I was young, all we heard about ozone was that it was bracing sea air.

116 Ozone in the stratosphere forms a natural shield to filter harmful ultraviolet light.

117 If that rate of increase continues it is estimated that methyl bromide could account for one-sixth of ozone loss by 2000.

118 On ozone depletion, which harms everyone, the Montreal agreement accepted that trade sanctions could be used against free riders.

119 The situation is exacerbated by unusually low levels of nitrogen oxides, which inhibit ozone destruction.

120 Most threatening of these for the marine ecosystem is the exposure to increased ultra-violet radiation through the depletion of the ozone layer.

121 Although U/V, ozone and protein skimmers were known, reference books often claimed they were unnecessary.

122 They calculate that ozone is depleted fastest when the sun is least active.

123 Ozone occurs more frequently at higher altitudes, so uplands may be particularly at risk.

124 Results of the autumn and spring nitric acid measurements are shown in Fig. 2, together with total column ozone data.

124 Wish you can benefit from our online sentence dictionary and make progress every day!

125 Another bolt of lightning struck behind him, and Eugene felt the air seared into ozone on either side of him.

126 As with acid rain and ozone depletion, international co-ordination of government policy is required to tackle the free rider problem.

127 It has no effect on stratospheric ozone, and no measurable impact on climate.

128 From the standpoint of the ozone layer, there is a quite different way of responding to the allotment phenomenon.

129 Estimates of the effect of the few Concordes currently in operation are that they have a negligible impact on the ozone layer.

130 This ozone layer is important to society and the environment for two reasons.

131 Another excellent chapter deals with the greenhouse effect and ozone depletion, which Brennan admits is a personal hobbyhorse.

132 It covers ozone depletion, ground level ozone and global warming.

133 I can do experiments in the greenhouse that show that red spruce are harmed by ozone and acid deposition.

134 International co-operation on protecting the ozone layer has been good.

135 Ozone has been considered as a candidate rocket propellant for over sixty years.

136 Thanks to wind drift, the highest ozone levels are often found in country areas.

137 Government ministers admit that ozone levels are higher than anywhere else in the world.

138 Global environmental problems, such as deforestation and ozone depletion, should be tackled through inter-governmental agreements, rather than unilateral action.

139 The loss of the ozone layer is also believed to be having a cooling effect.

140 Finally, we should comment on the relative abundance of ozone and hydrogen peroxide at Cape Grim.

141 In the most sensitive cases yields were reduced by 1 percent for every 1 percent cut in the ozone layer.

142 This was seen as essential if such countries were to co-operate in efforts to protect the ozone layer.

143 He told me that the ozone travels up the steep canyons of the western flank on a daily basis.

144 The measured seasonal variations of peroxide and ozone in clean air at Cape Grim during the experiment are contrasted in Fig. 4.

145 This Conservative Government has taken a lead in working to protect the ozone layer.

146 The depletion of the ozone layer has been one of the most dramatic discoveries about our planet in recent years.

147 Low-level ozone is produced by the effects of sunlight on car fumes.

148 For a start the Protocol does not cover all the chemicals that deplete the ozone layer.

149 The remainder have escaped into the atmosphere to cause further depletion of the ozone layer.

150 But because ultraviolet radiation is a constant feature of solar radiation, the ozone layer is maintained.

151 Since 1989 I have measured the ozone layer, solar ultraviolet and the clarity of the air over South-Central Texas.

152 Finally, the chemistry of the stratosphere is dominated by the photochemical production and catalytic destruction of ozone.

153 This chart illustrates the function of the ozone layer.

154 Nitrogen dioxide and ozone may cause pulmonary edema.

155 Oh, oh,[/ozone.html] the Ozone hole is back!

156 The ozone oxidation of carbon black surfaces was studied.

157 Ozone concentration auto digital display controlling instrument.

158 M. Arnan, L. DeVries (1983) investigated the influence of ozone on carcinoma inoculated to mice.

159 Thus the lowest ozone concentration to check the growing of the microbes in recycling cooling water treatment was determined.

160 An international agreement aimed at halting the destruction of the ozone layer.

161 We can use non - Fresno freezers or air conditioners to protect ozone in the atmosphere.

162 The results show that, compared to reaction channel II, reaction channel I of the reaction between active free radical NH and ozone O3 is not only spontaneous but also easy to take place kinetically.

163 There's no getting away from it - cars spew out a lot of carbon emissions and burn a big hole in the ozone layer(), if some scientists are to be believed.

164 The outer surface 460 can be protected with tape while the ozone is supplied to the descender and the inner surface 450.

165 In all likelihood, however, ozone has the capacity to diffuse through the fungal wall into the organismic cytoplasm, thus disrupting cellular organelles.

166 The stratospheric ozone layer, for example, is still getting thinner.

167 Ozone in the stratosphere is important because it absorbs some of the Sun's dangerous ultraviolet radiation.

168 Drier and residual ozone eliminator ( option ) start up .

169 Objective:To evaluate the safety and effect of ozone immune therapy in female palindromic genital herpes.

170 Ultraviolet Low Pressure Mercury LampNon - ozone types Quartz ultraviolet germicidal lamp has strong sterilization function.

171 Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.

172 A plate type ozone generating element is composed of two plate type meshy stainless steel electrodes, a mica sheet which is arranged between two electrodes, and a plastic frame.

173 It contains RO, natrium filter, ultra filter, micron milter multi-medium milter activated carbon filter, ion exchanger, ozone processor etc.

174 A modified two-dimensional Eulerian air quality model was used to simulate the contribution ratio of anthropogenic sources to ozone formation in Pearl River Delta region (PRD).

175 An asteroid splashdown in one of Earth's oceans could trigger a destructive chemical cycle that would wipe out half of the ozone layer, according to a new study.

176 John Pyle, a specialist on the ozone layer at the University of Cambridge, agrees that the research raises key questions.

177 This paper summarized the research on detoxication of the pesticide residual agricultural products and described the application of washing by water, detoxicate factor and ozone generator in that.

178 The results indicate that parathion-methyl can be effectively degraded by ozone in the experimental condition.

179 Two major performance parameters of negative ion generator are negative ion concentration and ozone concentration.

180 The downward transport of ozone due to tropopause folding can reach middle part of troposphere, which has the most influence on the ozone in the upper troposphere.

181 Technical features of recycling cooling water treatment by ozone in refineries were briefly introduced and compared with other water treatment technologies.

182 The worst three for ozone pollution were Los Angeles, Bakersfield and Visalia, all in California.

183 Former sterilization for Chinese herbal medicine usually adopts cobalt 60, ethylene oxide, alcohol, microwave, ozone etc.

184 Objective To explore whether ozone induced in welding leads to oxidative stress or oxidative injury in welders.

184 try its best to gather and make good sentences.

185 As human population increases rapidly, human activities cause the increase of tropospheric ozone (O3) which significantly exerts adverse effects on the health of plants, animals and human beings.

186 Others monitor methane, carbon monoxide, ozone, lead, and all sorts of particles.

187 This hole is over the Antarctic and is often referred to as the ozone hole.

188 He says the analysis suggests that ozone therapy is as effective as surgery for relieving pain caused by a herniated disc, with a much lower incidence of complications and much quicker recovery times.

189 Ozone is quick to react with a few ingredients in human skin oils, including certain fatty acids and especially a substance called squalene.

190 Then, in 2006, London comedian Sue Perkins won with a tale about flatulent sheep causing a hole in the ozone layer. Ms.

191 To avoid the phenomena of photon overlap, many measures such as neutral optical attenuator, gate switch and reducing the gain of PMT, are taken to enhance accuracy of ozone measurements.

192 The latest data showed that global ozone concentrations had dropped several per cent over the last decade.

193 Space observations have revealed a 3 to 8 percent depletion of the ozone layer following the 1991 eruption of Mount Pinatubo in the Philippines.

194 Prof Austin's computer simulation suggests that the Arctic ozone hole will not recover until around 2040.

195 Ozone depletion caused by NO and H 2 O emissions rom hydrazine - fueled rockets.

196 The ozone layer blocks much of the sun's dangerous ultraviolet radiation.

197 Many believe that the scientific evidence of methyl bromide's ozone - depleting effects is undeniable.

198 Its Molecular Formula for ozone, oxygen is the same allotrope , with its own unique character, in natural conditions, the ozone is slightly special light blue fresh smell of gas.

199 The highly concentrated cosmetic wastewater can be treated by anaerobic - contacting oxidation - ozone - biological aerated filter ( BAF ).

200 In the series reactor for the ozonization of Cinnamaldehyde the utilization ratio of ozone is over 90%. The conditions and the selectivity of the reaction are analysed.

201 Ozone is formed in the reaction, and a nitro derivative of the olefin.

202 Concentration of taller, ozone jumps over temperature it is better that alexipharmic cupboard sterilizes the effect.

203 The results of model validation show that modeling valid and practical. It provides a new way of online measurement of the concentration of ozone generation in O3 reactor.

204 The tolerance of Aspergillus niger to ozone is studied in this paper.

205 The physical chemistry properties of ozone and its application in water treatment are reviewed, and the emphasis of discussion is put on metal catalytic ozonation technology developing recently.

206 But due to the problem of chlorofluorocarbon (CFC) in environmental protection, it is very important to replace traditional refrigerant by new green refrigerant that is not harmful to ozone layer.

207 You don't know how to fix the holes in our ozone layer.

208 Mathematical model was proposed to determine rate constants of ozone self-decomposition in water and mass transfer coefficient of ozone.

209 In South Ozone Park, where a bodega owner was shot in the face during a robbery on Monday , shopkeepers these days assume the worst.

210 After that meeting, there was pressure to add methyl bromide as a controlled , ozone - depleting substance.

211 Total ozone during the period of Antarctic ozone hole of 1993 at Zhongzhan station in Antarctica is extracted from TOVS data of NOAA-12 by using an improved statistical regression scheme.

212 The office tool such as computer, printer, electrograph can produce radiation of ozone, dust, noise and electromagnetism when the job, contact these material for a long time to health also be adverse.

213 Vaginal candidiasis control group was given 0.1% benzalkonium bromide to douching vulva vagina, treatment group was given ozone water.

214 For an ozone hole to form, proper weather conditions must also exist.

214 is a sentence dictionary, on which you can find excellent sentences for a large number of words.

215 The project aimed at combating the illegal trade on ozone depleting substances and hazardous waste.

216 Carbon tetrachloride is a chemical destroying the ozone layer, and its use should be decreased gradually.

217 With the ozone layer absorbing harmful ultraviolet radiation, life colonized the surface of Earth.

218 Methods:The bactericidal mechanism of plasmas ozone against E. Coli on the surface was studied through observing change of ultramicrostructure, break of DNA double-strands and leakage of proteins.

219 Pollution leads to depletion of ozone layer, global warming and climate change.

220 Addition of organic matters to recirculating water can improve the effect of ozone on descaling.

221 Ozone is formed in the stratosphere and mesosphere by photochemical processes.

222 In addition, the larger than expected loss of UV light meant less stratospheric ozone up to 45 kilometers above the surface, but more above that line.

223 Increasing ozone pollution is causing tissue damage to the massive Giant Sequoia trees in the park.

224 Satellite information showed that levels of ozone - destroying gases in the atmosphere are slowly decreasing.

225 The use of wax to inhibit ozone deterioration probably goes back to 1881.

226 The statute divides ozone non - attainment areas into five classes, depending on the severity of the pollution.

227 Because the toxicity of tetrachloromethane would destroy certain human and animal liver, and damage the ozone layer.

228 Conclusion:Under the ozone aging condition, the SY-1 silicone elastomers stained with oil pigment and inorganic salt may have better color stability than that with gouache color.

229 He says until rigorously designed studies are conducted, the usefulness of ozone therapy for the treatment of herniated disc pain remains unknown.

230 A single chlorine atom can tear apart thousands of ozone molecules.

231 It is showed that small amount of ozone can advance the burning time and the weightlessness time of pulverized coal.

232 This gas sample is directed to an optional sulfur oxidation catalyst or a ozone generator 36 and through line 38 to a multiport valve 28B.

233 The primary site of ozone attack on the cell is the plasmalemma.

234 The remediation of ozone depletion by chemical and physical method is reviewed.

235 Methods Observing the survival rate and filial generation nervure variation of housefly which treated with ozone.

236 The ozone layer blocks some harmful rays which the sun gives off.

237 Relocate photocopiers , which produce ozone, away from the general work area.

238 Conclusions Ozone treatment tinea manus and pedis was effective, no side effects, it was worth to promote.

239 Continuous observation and analysis of total ozone would help forewarn the change of the environment and climate over Tibetan Plateau.

240 It forms ozone unit by power source of ozonizer, ozone, also be the mainest unit of ozone machine.

241 Man – made CFCs are the main cause of ozone depletion in the stratosphere.

242 Ozone oxidation and ultrasonic-activated carbon processes have been used respectively for the advanced treatment of the biochemically treated printing and dyeing wastewater.

243 Climate change and the depleted ozone layer are among the starkest examples.

244 These winds can trap chlorine monoxide and speed ozone destruction.

245 Objective: To compare the effectivess of air sterilization by multiple functional ozone sterilizing equipment and ultraviolet radiation in the germfree section of supply room.