单词 | Methane |
例句 | 1. The ignition of methane gas killed eight men. 2. In each methane molecule there are four CH bonds. 3. Methane is the main constituent of natural gas. 4. As the waste materials decompose, they produce methane gas. 4. is a online sentence dictionary, on which you can find nice sentences for a large number of words. 5. Methane gas does collect in the mines around here. 6. The blast was caused by pockets of methane gas that ignited. 7. The blasts were caused by pockets of methane gas that ignited. 8. Methane is one of the principal gases contributing to the greenhouse effect. 9. Microbes decompose organic waste into a mixture of methane and carbon dioxide. 10. Methane blocks the escape of heat from the atmosphere. 11. These included methane, ammonia, probably hydrogen cyanide, hydrogen sulphide and carbon monoxide. 12. The techniques of converting these wastes to methane are similar to those currently under study in the pyrolysis of biomass. 13. Methane concentrations were calculated as the difference between breath and a corresponding room air sample. 14. But the scientists were encouraged that stinky methane stabilized after 12 days. 15. Under these conditions the methane jets pushed the candle flame outside the gauze(), causing explosions. 16. Breath methane was measured and viable counts and metabolic activities of methanogenic bacteria and sulphate reducing bacteria determined in faeces. 17. Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases. 18. As levels of atmospheric carbon dioxide and methane increase, the greenhouse effect will trap increasing amounts of heat. 19. Methane production is an effective and safe pathway for H 2 disposal and occurs in most animals. 20. Methane is also given off by rice paddies and ruminant animals, including cattle. 21. That plant uses methane gas from the landfill to generate electricity. 22. Another example is the use of both urban and agricultural wastes to produce methane gas under controlled fermentation. 23. The same effect occurs in cattle, though cattle belch out surplus methane. 24. Global warming occurs when carbon dioxide and some other gases, such as methane and nitrogen oxides, accumulate in the atmosphere. 25. As household refuse decomposes, it produces an explosive gas, methane. 26. Then it is combined with hydrogen in a catalytic converter to produce methane gas and water. 27. Under these conditions, certain species of bacteria break down the waste to form methane gas. 28. Like anaerobic digestion, the aerobic processing of waste material produces methane which can be used as a biogas fuel. 29. The end product contains mainly carbon monoxide and hydrogen from the gasification step plus a little methane from the carbonisation. 30. He determined that the most explosive mixture of the purified methane and air was in the ratio of 1:8. 31. As recently as 1977, an offshore eruption sent a 1,000-metre column of burning methane gas into the air. 32. Sulphate reducing bacteria were never detected, and methane excretion was not affected by sulphate feeding. 33. As with domestic refuse, the problems of methane gas generation also exist when disposing of industrial waste underground. 34. At those temperatures and pressures,[] methane combines with water into a solid form called a gas hydrate. 35. They remove dead timber, they are wonderful architects, and they generate methane gas, which contributes to the greenhouse effect. 36. The methane gas produced is used for heating and generating power for the farm buildings. 37. Of course, a basic corollary of the theory is that deep drilling should uncover a portion of these massive methane resources. 38. The blast, 610m below ground, is thought to have been caused by a mix of coal dust and methane gas. 39. Even argon may condense on Uranus and Neptune to form a thin haze above the methane cloud layer. 40. This may explain the absence of methane in the breath of 40-50% of western populations. 41. To make methane, burn one weight of hydrogen with three of carbon. 42. A section on cooking should not be left without a consideration of the potential of the methane digester. 43. Methane condenses to form a cloud layer above the ammonia clouds, leaving a gas that is almost entirely hydrogen and helium. 44. Producing methane gas from landfill sites, sewage works and organic wastes is another extremely practical use of resources. 45. Methane gas from rubbish tips is another potentially valuable source of energy. 46. Titan is unique in having a thick atmosphere made mostly of nitrogen, with some methane and possibly argon. 47. Methane is a potent greenhouse gas, each molecule trapping 25 times as much heat radiation as one molecule of carbon dioxide. 48. But it might contribute to global warming because methane is a powerful greenhouse gas. 49. Methane formation continues in anthracite rank stages as shown in Fig. 1. 50. As a member of the Stella Coal Company rescue team, he used Stephenson's lamp as a methane detector. 51. For matrix materials like methane, nitrogen, krypton and xenon, this is not too surprising. 52. The natural decomposition process which occurs in landfills also produces large quantities of methane and thereby presents a significant explosion hazard. 53. The pillars of coal left behind were compressed, releasing large amounts of an explosive mixture of air and methane called firedamp. 54. Four others are hooked into systems to control the release of methane gas. 55. In recent studies, however, we have shown that methane production is more important than previously believed. 56. Zubrin proposes burning methane with liquid oxygen for the return trip to Earth. 57. The Methane produced on landfill sites is very explosive and can lead to severe illness if inhaled to a great extent. 58. These research activities have led to the initial isolation of many of the now known species of methane producing bacteria. 59. Experts believe the absence of water in the toilet allowed a lethal build-up of methane gas. 60. The reasons why western populations separate into methane producers and non-producers has never been explained. 61. Zubrin proposes using the Sabatier process to react hydrogen with carbon dioxide to make water vapor and methane. 62. Methane gas is regarded as a harmless byproduct of fermentation in the large intestine of man. 63. Livestock is estimated to account for some 15 percent of global emissions of methane - one of the leading greenhouse gases. 64. The cocktail of greenhouse gases includes chlorofluorocarbons, methane, nitrous oxide and carbon dioxide.http:///methane.html 65. It is the biggest single concept, many others being devoted to using methane gas at waste product dumps. 66. The diagram demonstrates that large amounts of methane are formed in the anthracite stage. 67. The products of coal gasification include carbon monoxide, carbon dioxide, hydrogen, methane and nitrogen. 68. The tissues, especially around the torso, looked puffy and bloated as the cells within decayed into methane and other gases. 69. Under these conditions there is a proliferation of anaerobic bacteria which can lead to the release of harmful by-products, such as methane. 70. So let's think about methane using valence bond theory. 71. Will tundra start outgassing vast amounts of methane? 72. to clean-burning methane from mines, landfills, and farms. 73. These fuels include methane, propane and gasohol . 74. They were able to nitrate methane to nitromethane. 75. Methane is said to be hydrophobic. 76. Punctured breathing units spewed methane and blossomed into flame. 77. Coal gas is a kind of abnormal natural gas that contains not only methane but also heavy hydrocarbon, non-hydrocarbon. 78. And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really. 79. The invention relates to a physical simulation device and a simulation method for coal bed methane production. 80. Another explanation for the tumult in the Tunguska region claimed that the destruction resulted from the rapid combustion of methane gas released from the swampy ground into the air. 81. Excessive spread of smooth cordgrass has lead to seriously environmental questions, anaerobic digestion of smooth cordgrass is an alternative measure which produces methane. 82. And the importance of uncoupler and strengthening the course of the anaerobic methane producing process in sludge minimization were proposed. 83. And PetroChina officials are exploring new shale gas and coal-bed methane opportunities over the country. 84. Most aliphatic compounds are flammable, allowing the use of hydrocarbons as fuel, such as methane in Bunsen burners, and acetylene in welding. 85. There is more methane, ethane, isobutane and isopentane in shaly limestone than in marlite. 86. Rooted in metres of thick peat, the rainforests of Central Kalimantan, Indonesia sequester vast quantities of the greenhouse gases carbon dioxide and methane. 87. Under methane Ar gas atmosphere, carbon-coated aluminum nanoparticles were prepared by using laser - induction complex heating method. 88. With the rapid development of national economic, the application of methane chloridate get wider, the production and consumption of methane chloridate develop very rapidly. 89. It is possible a geologic process produced the Martian methane, either now or eons ago. 90. Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal. 91. The production of hydrogen from methane in converters will generate higher CO2 emissions per kilowatt hour since [hydrogen production] is an energy-intensive process. 92. Coal Bed Methane (CBM) is one kind of clean-burning gas. It has been valued as a new energy which will be used widely in the near future. 93. Given the present data, however, it is also possible that a purely geologic process, potentially involving volcanism or rust and not involving any life forms, is the methane creator. 94. This paper describes the macrokinetics of treating high concentration organic wastewater by GL—AFB,[http:///methane.html] in which IGM is used as a carrier and the methane is used as the lift power. 95. This was observed by diamond deposition on iron substrates where, due to the high vapor pressure of iron, ballas is formed at methane concentrations lower than 0.4%. 96. To integrate the curve of abandoned mine methane emission rate versus time to infinity against time, can get abandoned mine CBM resources at the time of estimating. 97. The catalytic methane sensor will be poised when it works in the atmosphere with the sulphuretted hydrogen, which makes a serious effect on the stability of the working sensor. 98. "More research is needed before we can provide accurate estimates of methane losses from anaerobic lagoons, " added Lory. 99. Hydrogen sulfide leaks, methane explosions, mine-stope collapses, oh my! Coal mining is an ancient profession, and has been recognized as wildly risky since the very start. 100. According to the need for study on methane movement law in fully mechanizedsublevl caving stopes, the methane rising and pressure diffusion theory is put forward. 101. The result of statistical analysis shows that the anomaly of thermoluminescence coincides well with methane anomaly. 102. Products such as methane chloride, gourmet powder, sorbierite, rutile, freon and benzene series were mostly produced in the east plant compound. 103. So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent. 104. The research progresses of methane partial oxidation to syngas using mixed conducting oxygen- permeable membrane reactor are introduced. 105. Measuring martian methane "is really at the ragged edge of things, " he says, but "I think the detection is pretty solid. 106. The influence of obstacles and coal on the flame propagation of methane was experimentally studied. 107. The migrating methane by cross - borehole in coal seam is used in this condition. 108. Outer heat transfer is estimated for the flameless combustion of the methane and air under different recirculation ratio. 109. Methane is a potent greenhouse gas but much of it is oxidised into CO2 when it is released from hydrate deposits. 110. Release may be direct to the atmosphere or via bacterial action (as in the case of methane). 111. Objective : To assess the relative bioavailability of gatifioxacin methane - sulfonate capsules versus tablets. 112. Methanogen is the core of the methane fermentation. And methanogen is the last member of the anaerobe chain in nature carbon cycle. 113. Results show that the main factors influencing methane desorption include pressure, gas content, coaly moisture content, matrices size and temperature etc. 114. The radiance signals from shocked methane gases were recorded by an instantaneous six channel pyrometer system. 115. Bulk storage of natural gas or methane is facilitated by absorbing gas in a liquefied medium. 116. Sacramento, the capital of California, is turning landfill methane gas — a potent greenhouse gas — into power for 8,900 homes. 117. The relationships between the permeability of the methane gas in coal seam and surface fractal dimension and tortuosity fractal dimension are proposed based on fractal theory and Darcy Law. 118. The livestock sector , and by implication pastoralism, has been accused of contributing to global warming through methane emissions. 119. AgricuItural Measures Taken in controlling the Methane Emission Flux from Rice Paddy. 120. Competitive inhibition between methane and propene was minimized by physical separation of the regeneration and epoxidation. 121. Fart is the emissions of carbon dioxide, hydrogen, mostly with methane. 122. Methane sulphonic acid (MSA) has the right combination of properties for electroplating baths containing lead, tin, copper, nickel and some precious metals. 123. Variations of the process enable production of high purity hydrogen, methanol, ammonia, methane or low heating value gas. 124. Anaerobic methane oxidation(AMO)is a globally important biogeochemistry process, which has been identified by sufficient geochemical evidence. 124. try its best to collect and create good sentences. 125. Pro-biotics in convenient germ solution effectively decomposes enterotoxin, toxic amines, indole, methane and other toxic substances produced in animal intestines. 126. Using this system, lower explosion limits of methane mixing respectively with Hydrogen, Isobutane and normal hexane were determined. 127. Carbon Sciences says its test facility is successfully melding CO2 with methane (the primary constituent of natural gas) to produce a syngas that can be converted into ordinary fuels. 128. At that point, rocks from the era show that atmospheric oxygen started to rise, which would suggest that methane levels dropped. 129. The influence of filling inert stuffing on the partial oxidation of methane was investigated by fully filling inert material into the space of empty reactor or into the upper space of catalyst bed. 130. If so, the current composition and bulk of the moon's atmosphere—sustained by the greenhouse warming of methane—may be a fluke caused by a recent comet impact or an upheaval from the moon's interior. 131. The project is consisted of a modern hoggery, goose house and methane plant. 132. Others monitor methane, carbon monoxide, ozone, lead, and all sorts of particles. 133. A. Pure Tin with MSA ( methane Sulphonic Acid ) based Tin electrolytes to reduced whisker. 134. They believe the methane content of the planet's atmosphere would increase twelvefold. 135. The kinetic models of methane converted in RFD plasma and DBD plasma were founded on the base of radical reaction mechanism. 136. Animals produce methane, which is another dangerous greenhouse gas, when they burp and fart. 137. It's 109 . 5 is what we would expect for methane because it's tetravalent, but here we're just seeing something that's divalent, and they're both in p orbitals that are perpendicular to each other. 138. The presence of an underground ocean could help explain how Titan replenishes methane in its smoggy atmosphere. 139. Earlier in the year, a report from the National Research Council identified the combustible water, also known as methane hydrate, as a potential source of natural gas. 140. The research by Aberystwyth, Bangor and Reading universities involved measuring the amount of methane burped out by farm animals in specially designed polytunnels. 141. The reflection amplitude has amplification effect on velocity change of coal, which conduces to detecting coal bed methane by using amplitude attributes. 142. Another wild card here is that there is no definitive estimate of how much methane in this hydrate/clathrate form exists in our seas and oceans. 143. Veganism might not be popular, but it can make a big difference to CO2 and methane emissions. 144. This expelled methane increases temperatures and releases more methane, creating a positive feedback loop. 145. A methane molecule is composed of one carbon atom attached to four hydrogens. 146. The Project produces methane chloridate taking methane as the major material and applying methanol hydrochlorinate method. The market prospect is great. 147. Methane density monitoring system based on PROFIBUS technology was introduced in this paper. It also displayed simplified flow process chart. 148. In this work , gas storage capacity of methane hydrate in system and methane system was investigated. 149. The sample analysis showed that the nature gas at this area belonged to methane biogenetic gas. 150. For the experimental reactor, methane hydration rate is shown by gas input rate into reactor which is called as airspeed. 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:///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, 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. 181. The authors anticipate this argument and note that their primary fluid inclusions lack the higher hydrocarbons that are normally associated with the most strongly 13C-depleted thermogenic methane. 182. Because they were so sensitive to deadly gases such as methane and carbon monoxide, a canary dropping off its perch was a highly visible signal to the miners that it was time to leave. 183. In Microwave plasma, the gas pressure and hydrogen can heavy influence the result of Methane coupling. 184. The Ningwu Basin is proved to be abundant in CBM by evaluation for exploration of coalbed methane, optimization of prospects and early production tests in the Ningwu Basin[sentencedict .com], Shanxi Province. 185. The mission's scientists have all agreed that if Levin's instruments on board the landers detect emissions of carbon-14-containing methane from the soil, then there must be life on Mars. 186. The Permian coalbed methane(CBM) reservoir with mixed secondary biogenic and thermogenic gas in the Huainan Coalfield, Anhui Province, is affected by complex geological and hydrogeological factors. 187. To this we've added vitamin C and methyl sulfonyl methane (MSM), which is required from the body to maintain healthy connective tissues and joint function. 188. Huainan coalfield is rich in coalbed methane resources and has large - scale coalmine methane drainage. 189. A beef cow in a US pasture, for example, emits 50 kilograms of methane per year, compared with just 26 kilograms in a feedlot, according to Livestock's Long Shadow. 190. The adsorption and dissociation of methane and carbon dioxide for reforming on nickel catalyst were extensively investigated by TPSR, TPD and pulse reaction experiments. 191. A study of the effects of carbon tetrachloride on burning velocity and flame temperature in methane combustion has been made. 192. The coalification controled the porosity and surface physicochemical property of coal, then controled the occurence space of coalbed methane and the coal's affinity for methane. 193. The temperature coefficients of Henry constant were correlated. At the same time, a method was advanced to estimate methane Henry constants in hydrocarbons using critical volume. 194. Thawing permafrost leads to releases of methane and other carbon compounds that can reach the atmosphere and increase greenhouse warming. 195. A new methane sulfonic acid electroless tin plating technology aras investigated. 196. They grow more slowly than feedlot animals and, as a result, emit more methane over their lifetime. 197. Washington — A colorless hydrocarbon gas, methane doesn't get nearly the attention that its partner in crime, carbon dioxide, receives. 198. Cracked gas in high-temperature causes methane carbon isotope to heavy. 199. Like a frozen asteroid belt, it’s littered with chunks of ice and frozen methane and ammonia. 200. This dissertation study about the methane yield method, methanogen active in history and methanogen type by synthesize using isotopes analysis method and compare coalbed gas with pyrolysis gas. 201. To use the drilled coal core site desorption data can get a drop-down curve of abandoned mine methane emission rate versus time approximately. 202. The results show that PSW can increase pore volume of coal and can enhance permeability of coalbed methane (CBM) in coal. 203. Recent discoveries of Siberian and Alaskan lake bed sediments leaking large quantities of methane have prompted climatologists to call for more study and satellite monitoring of these regions. 204. At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province. 205. And reasonable conversion of carbon dioxide and methane may not only lead to efficient resource utilization but also protect environment. 206. The combined adsorptive separation technology of methane chlorides, and selection and current research situation of adsorbent material are introduced. 207. In this pater, large block coal is taken as the experimental coal sample for an experimental study of the relationship of methane pressure varying with time during block coal methane adsorption. 208. The coal and gas outburst and coalbed methane producibility are controlled by coal deformation. The spatial distribution of coal with different deformation has been widely investigated up to now. 209. In the Netherlands the contributions of methane and nitrous oxide to the total emission of greenhouse gases are estimated to be 8% and 6% respectively. 210. Some farming practices and land - use changes increase the levels of methane and nitrous oxide. 211. The results of determination by BMP (Biological Methane Potential) showed that the maximum methanation rate of the wastewater from coking process was 41.9%. 212. The project is consisted of a modern hoggery, goose house and methane power plant. 213. Rice paddy soil has oxic - anoxic interfaces where methane consumption and ammonia oxidation might happen simultaneously. 214. Marsh gas It is composed mainly of methane which is naturally decomposed from the residue of plants under the condition of air isolation,[] marsh gas is used mainly as fuel. 215. Coalbed methane is a gas resources adsorbed to the coal reservoir. 216. First, carbon monoxide and hydrogen react to form methane, which has one carbon atom. 217. This paper is a guide to precise determination of the content of coal seam methane. 218. Methane bubbling slowly into the atmosphere could raise planetary temperatures by a full degree Fahrenheit for as much as 10,000 years. 219. Under geoelectric field, the quantity of methane gas seepage in coal increases approximately linearly with voltage or electric field strength. 220. The concentration of the methane has little effect on the nucleation density at a fixed bias voltage. 221. Fortunately then, reducing methane levels is something that all of us can have a hand in right now by consuming less meat and dairy products. 222. In Lake Kivu, bacteria in the lake convert the CO2 into methane, which is highly flammable and could trigger an even more dangerous lake explosion. 223. Adding sewage sludge in lysimeter can not only markedly increase LFG production and generation rate, but also extremely enhance methane content. 224. The assistant stabilizing agent is dibenzoyl methane, stearic acid, polyethylene wax or compound thereof. 225. A portable room temperature diode laser based on mid infrared gas sensor was developed for open path measurements of methane in ambient air. 226. The research tar surface active spot is studies the tar and the methane action mechanism foundation. 227. It had the anti-mutation function that can inhibit mutagenicity of Daunomycin and Methane Sulfonate in strains TA98 and TA100. 228. The results show that compared with gasoline engine oil, the degree of oxidation and nitration of gasoline engine oil by adding methanol, methanal and methane acid is increased. 229. coal-bed methane accounts for about 2 % of the world's natural - gas supply. 230. As the tundra melts, methane , a strong greenhouse gas , is released, causing more warming. 231. "We can study the meteorological cycle on another planetary body involving a different molecule (methane), " said Emily Schaller, of the University of Arizona's Lunar and Planetary Laboratory. 232. The methane content of the biogas was similar and was 50% in the hydrolysis reactor and 70% in the methanogenesis reactor. 233. In the picoline pyrolysis experiment, the methyl disengages from aromatic ring to form methane firstly, then the following reaction of the aromatic ring is similar to pyridine. 234. How much methane and dioxide might be released from the rotting permafrost? 235. Based on theory of turbulent mass transferalongitudinal methane dispersion model andamodel of unidimensional nonsteady flowinmine ventilation networkwereestablished. 236. Methane is a kind of hothouse effect gss being able to destroying ozonosphere. The damages caused by its leakage to atmospheric envelope are followed with interest by every country over the world. 237. The atmosphere they create has a combination of gases such as hydrogen, water, ammonia, methane, and carbon dioxide. 238. The color development reaction between titanium in extra - low ferrochrome, nitrided ferrochrome and diantipyryl methane is studied. 239. Toxicant eupatorium adenophorum spreng can be used as a feedstuff after methane is fermented. 240. Experiment results showed that there were undecomposed methane, H and CH free radical, and C_2 hydrocarbons in plasma space and the proportion of these substances changed with discharge time. 241. The exploitation and utilization of coal-bed methane were analyzed, and the successful experience was introduced. 242. For PSA the key is the choice and preparation of methane adsorbent. 243. The greenhouse gases are carbon dioxide, methane, and nitrous oxide. 244. Night soil from the 240 houses in Thiruneermalai is collected in a sump. Methane gas generated from the sludge is used to operate a generator. 245. AES AgriVerde concentrates on agriculture, biomass, reforestation landfill and coal mine methane emission reduction. 246. Mr. Howarth included methane losses associated with flow-back and drill-out processes in hydraulic fracturing and other unconventional gas drilling techniques. 247. It is studied that coal - bed methane and water can get crystalline clathrate under special conditions. 248. Bis(1-imidazolyl)methane was prepared using imidazole and dibromomethane as raw materials. 249. Rising average temperatures, for example, threaten to unlock long-frozen stores of carbon dioxide and methane -- at least 20 times as potent a greenhouse gas as CO2 -- from the region's permafrost. 250. After the hydrostatic head has been sufficiently lowered, the methane gas will flow to the surface. 251. Exploration and development of coal-bed methane in China has its particularity for its geological conditions of coal-forming process and coalification are different from the US. 252. And making methane to C2 alkynes by microwave chemistry methods have obvious advantages. 253. And DuPont has a major program with Statoil in Norway to capture and convert the methane from the gas fields there into useful products. 254. The cloud might be snowing ethane snowflakes into methane lakes below. 254. Wish you can benefit from our online sentence dictionary and make progress day by day! 255. This paper analyses detection principle of mine methane by use of a variable current detector, a new variable current detector circuit is designed. 256. It'shows that the methane oxidation follows the redox or Mars and van Krevelen mechanism. 257. The water-soluble gas has higher methane content and dry coefficient than the conventional gas, and has some non-hydrocarbon gases such as CO2 and N2. 258. Can detect hydrogen, oxygen, nitrogen, carbon monoxide, methane, dioxide, ethylene, ethane, acetylene and other gases. 259. A dip-coating method was employed to prepare metal monolithic catalyst for catalytic combustion of methane. 260. In out world, the fracturing fluids applied in the coalbed methane include water, gel, boron cross-linked gel and foam fracturing fluid. 261. The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane. 262. A very high excess of oxygen, methane, and nitrous oxides would certainly be suggestive of life. |
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