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151. Methane is often regarded as the second most important greenhouse gas after carbon dioxide.

152. The difference with this scenario is that no additional bacterial action is needed, only warming of the sea environment, as the methane is already present in it's frozen, clathrate form.

153. In terms of petroleum exploration, diagenesis is an immature stage when mostly carbon dioxide, water, and some methane and heavy hetero- compounds are generated.

154. All are inoffensive as opposed to products of methane,[http://sentencedict.com/methane.html] carbon dioxide formed under strictly anaerobic conditions.

155. Non - oxidative aromatization of methane is significant in the fields of energy utilization and catalysis science.

156. A layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane.

157. BP is working with PetroChina to assess coal bed methane potential in western Xinjiang province.

158. Lake district . Cassini's instruments show large accumulating on Titan's surface below methane clouds.

159. K . If true, both plant biochemistry and global methane budget would need a major reexamination.

160. There is a large amount of methane gas under the Siberian tundra.

161. Development of the study on methane activation mechanism in recent years have been reviewed in this article.

162. Moreover effect of continuous feed on reaction time was discussed. On the above mentioned basis, the process method of preparing continuously methane sulfonyl chloride was suggested.

163. Moreover,(sentencedict.com) experiments on explosive limits of air that contains methane and oxygen with different percentage of contents were also carried out.

164. Under the effect of high power and actuator, it can form microwave discharge, and make methane to C2 alkynes in microwave chemistry reactor made of rectangular groove guide reactor under atmospheric.

165. As a radiative and chemically active gas, methane can increase the temperature in troposphere with a larger effect of 20-60 times over that of carbon dioxide.

166. An optical fiber evanescent wave methane gas sensor based on core diameter mismatch is reported.

167. Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

168. After gas breakthrough, oil is still produced because methane and intermediate components extracted still plays a role during the displacement, whereas the production drops greatly.

169. Based on calculations, Titan's methane supplies should have lasted only 10 million years, Lorenz said.

170. Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.

171. The formation temperature controls the physiological activity of the microbe and the production of the methane.

172. In order to improve power performance, save energy, and reduce exhaust emission of the coal bed methane engine, the accuracy of air-fuel ratio must be improved.

173. The univalent hydrocarbon radical, CH3-, derived from methane and occurring in many important organic compounds.

174. According to the literature, sarcina is one of the methanogen that can produce methane in high performance. The remaining of sarcina will apparently improve methane production.

175. The United States is technically advanced in coal bed methane drilling.

176. The EPA said its finding was based on a rigorous review of science on six greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride.

177. The addition of thorium promoted the chain propagation at low reaction temperature, but had little effect on methane selectivity and light hydrocarbon.

178. A In this research, the barrier layer of methane plasma was first used in the polymer surface flame retardancy .

179. A Non-dispersed infrared (NDIR) methane gas sensors system based on infrared absorption spectrum theory was designed according to single light beam and double wavelengths technology.

180. Large amount of coalbed methane resource is distributed in the high coal rank area of China, especially in the North and South China.