petroleum造句
241 Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
242 Saudi Arabia needs to find new markets for its huge petroleum reserves, while China needs energy abroad to meet the demand of its economic growth.
243 Free of parabens ( artificial preservatives ), lanolin, petroleum or any other animal by - products.
244 Well - logging is of great worth in Petroleum Industry.
245 Petroleum is the main contaminant in seawater, which has severely damaged sea and beach environments.
246 The article gives comparative analysis of China's petroleum reserves changes during 1984-2004 and their regional structure.
247 Ideas of improving and perfecting petroleum processing techniques to achieve the objective of atom economic reaction were put forward.
248 In this paper,[www.] the theoretical problems using LPG ( Liquefied Petroleum Gas ) as substitute for R 22 been studied.
249 The pre-Jurassic is the important sequence for replacement of petroleum resources in Tuha basin.
250 As the petroleum industry highly progresses marketable and effective development of petroleum seems quite important.
251 Coal and rock oil, or petroleum, are of great value as fuels.
252 The studies of the petroleum systems are related to the basin exploration level and special research level of oil gas.
253 PAHS is a category of important compound. often is found in coal, petroleum asphaltenes, also is considered existing in interstellar medium.
254 The results indicate how and when the East Shetland Fault linked and controlled sedimentary facies distributions and petroleum system in the Beryl Embayment.
255 The head of the American Petroleum Institute, Red Caveney, says there is a simple way to counteract expectations of continually higher fuel prices that drive market speculation.
256 The American Petroleum Institute and rigorous review organizations have made use of API Monogram.
257 The extraction of penicillin G with petroleum sulphoxide and di - isooctyl.
258 World oil prices were trading at their highest level in three years this week amid the revolt in Egypt, which for decades served as a major petroleum transit route.
259 Nondurable inventories were 1.5 percent higher, the largest rise since June 2008, as wholesalers added to stocks of drugs, alcohol, farm products and petroleum products.
260 The Petroleum Jelly Trap: This method is more practical if you only come across a cockroach once or twice a week, and if you're dealing with a small colony somewhere around your house.
261 Tectonic inversion may re-suit in various effects on petroleum accumulation and exploration.
262 In this paper, low ash content anthracite was taken as the investigated subject, thermolysis process of anthracite and petroleum coke were investigated at the same time.
263 To make sure the petroleum migrating direction and pool-forming model in the Weixinan sag, 4 wells were chosen to do research on fluid inclusions and petrography.
264 Analytical methods for sulfur compounds in liquified petroleum gas are reviewed.
265 ResultsThe contents of six samples in fatty oil and petroleum ether extracts had no difference, but they had significant difference in water extracts, ethanol extracts, aesculetin and esculin .
266 The Organization of Petroleum Exporting Countries agreed to keep output unchanged a meeting in Vienna.
267 Similar problems are encountered throughout the whole range of petroleum products.
268 The proportion of pulverized petroleum coke injection must not be too high by comprehensive consideration of transportability and sulphur load of BF.
269 Results: The ester - solubility extracts including petroleum, chloroform, acetylated fraction had significant antiulcer effect.
270 Doable measures on remanufacturing about storing liquid petroleum gas were put forward.
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