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181. Traditionally, this cooling requirement has been accomplished using slices of solid carbon dioxide, better known as dry ice.

182. Carbon dioxide emissions will increase by between 9 and 23 percent, and fuel consumption will rise by 3-9 percent.

183. These changes, appropriately pursued, could also bring large long-term reductions in emissions of carbon dioxide and other environmental impacts.

184. Apart from general operating conditions, it has set emission limits for sulphur dioxide, nitrogen dioxide and carbon monoxide.

185. And it probably always will, since no conceivable technology can prevent petroleum combustion from producing carbon dioxide.

186. The overwhelming weight of scientific opinion is that we need to make cuts of 60 % or more in carbon dioxide emissions.

187. A forest on this scale would absorb large amounts of carbon dioxide.

188. The basic unit of trade will be the right to emit one ton of sulphur dioxide into the atmosphere each year.

189. The Building Research Establishment give the following figures for the emission of carbon dioxide per kilowatt hour for different energy sources.

190. For example, at elevated temperatures, sodium bicarbonate decomposes and releases carbon dioxide and leaves sodium carbonate as mentioned earlier.

191. Changes in the size of boreal forests and carbon dioxide concentrations have moved in step for most of this century.

192. The most obvious source, and one that is ubiquitous on the Martian surface, is carbon dioxide in the atmosphere.

193. They then combine the hydrogen with carbon dioxide to form sugars and release the oxygen into the atmosphere.

193. Sentencedict.com try its best to collect and build good sentences.

194. Carbon dioxide and moisture threaten to efface the Lascaux cave drawings.

195. And burning coal, of course, produces, carbon dioxide as well as sulphur dioxide.

196. To keep a balance of atmosphere, excess carbon dioxide needed to be removed by chemical filters.

197. Nuclear power makes a valuable contribution to the environment by curbing carbon dioxide emissions.

198. This is a by-product of their metabolism in as much as they excrete carbon dioxide and alcohol.

199. Thus, unlike water, the solid carbon dioxide is denser than the liquid.

200. Measured on the carbon dioxide scale, it emitted 2.109 metric tons percapita in 1986 from fossil fuels and cement production.

201. The only measurement of any historical accuracy we have relates to one component: carbon dioxide.

202. To make carbon dioxide, burn three weights of carbon with eight of oxygen.

203. Since Polygas comprises a small amount of acetone in carbon dioxide, the danger from an accidental release is low.

204. Instead the bubbles are produced by injecting carbon dioxide into the finished wine.

205. Findings include: Some 600 million people live in urban areas where the average level of sulphur dioxide pollution endangers their lives.

206. Doubling rail traffic would cut carbon dioxide emissions by only about 3 percent.

207. We wish to see a world market in tradable emission licences for carbon dioxide and other pollutants.

208. This process generates short chain fatty acids which are absorbed, and hydrogen and carbon dioxide.

209. Experts have described the coal as similar to natural gas in terms of its sulphur dioxide content.

210. But there was nothing in the shifting canyons of frozen carbon dioxide to tell her.