1. Small pieces of sulfide rubble, failed fragments of the larger structure, litter the seafloor.

2. A fine dusting of sulfide covers the nearby fiat surfaces of sheeted lavas.

3. If hydrogen sulfide or some other poisonous gas is detected, Donahue dons an airtight breathing device and a hard hat.

4. Sulfide outgrowths that look undeniably like Moose antlers project out from the main mound.

5. Beehive, another sulfide edifice, is a five-minute submersible ride due west of Moose.

6. Sometimes dead sulfide structures maintain their integrity long enough to be colonized by a new set of animals.

7. The hydrogen sulfide is often blamed for the corrosion.

8. These effects are antagonizeed by sodium sulfide.

9. Red mercuric sulfide used as a pigment.

10. A red mercuric sulfide used as a pigment.

11. Copper sulfide and copper oxide were also attractive candidates.

12. It is feasible to produce manganese sulfide by self - propagating high temperature synthesis through thermodynamics computation.

13. The paper discusses the solubility of the arsenious sulfide in the nonoxidizahle strong acids. alkaline solution by way of the experiment.

14. A sulfide compound containing at least two sulfur atoms per molecule.

15. In nature antimony occurs chiefly as the gray sulfide mineral stibnite, Sb2S3.

16. Vent water is enriched in reduced chemical compounds, especially hydrogen sulfide.

17. The first primitive forms of life consumed various materials, including hydrogen sulfide, and released oxygen.

18. On postmortem dissections of collected specimens, I found every stomach packed solidly full of sulfide minerals.

19. Ordinary causality was invoked by chemists to cover the observation that sulfur atoms plus iron atoms equal iron sulfide molecules.

20. Many of these factories pollute the air with hydrogen sulfide.

21. The IP anomaly tends to extend considerably at the northeast and southwest ends, which might reflect outward extension of the deep sulfide ore bed.

22. The growth of a series of nano-inorganic crystals induced by DNA templates is summarized in this paper. The nano-crystals include cadmium sulfide, iron oxide, barium sulphate, magnesium chloride...

23. Oxidization under lower potential is a reversible reaction and the rate determining step of this reaction is sulfide ions diffusion controlling.

24. According to the studies on the occurrence state of silver in the Guandi silver deposit, silver occurs mainly as independent minerals which are mainly composed of sulfide and sulfosalt.

25. The paper describes the features of bath smelting of lead sulfide concentrate and structural characteristics of the oxygen side-blown direct lead smelting furnace.

26. Most silver ores in dispersive state exist in oxidation manganic minerals(62.79%), others exist in sulfide mineral(28.65%), and few or no silver chloride and natural silver.

27. Pyrrhotite, Pentlandite and chalcopyrite are main metallic minerals in cop-per-nickel sulfide deposits.

28. In order to improve impressibility of the oil for antioxidant, it should be down that increasing refining extent, deeper removing aromatics, colloid, and nitride and decreasing sulfide content.

29. The roasting dust which produced from zinc concentrate roasting process, main contains zinc oxide, zinc ferrite, zinc sulfide, cadmium sulfide, lead sulfate etc.

30. The effect of presence of pyrite and pyrrhotite on the conversion of lead sulfide into lead carbonate in ammonium carbonate solution was investigated.

31. It is summed the microorganisms that can oxygenate hydrogen sulfide in the nature.

32. By using the torsional braid analysis (TBA), We have investigated the dynamic mechanical behavior of polyphenylene sulfide (PPS).

33. The gold enrichment is closely connected with metal sulfide(or arsenide). and arsenopyrite is the main gold-bearing mineral.

34. The more sulfur a person consumes , the more hydrogen sulfide is produced.

35. First-order stimulated Raman spectrum of carbon sulfide second-order stimulated Raman spectrum of carbon sulfide and fourth-order stimulated Raman spectrum of toluene were observed in the experiments.

36. Leachate of contaminated water from sulfide mine residual products is a great environmental problem in Sweden.

37. The present study shows the sodium sulfate has promoting effects on the sulfating roasting of sulfide ore and on the metal leaching of roasted ore.

38. The byproduct copper sulfide was transformed into copper oxide by roasting, which was cyclically used in the next syn- thesis.

39. This paper approaches the effect of melamine on the cross-linking mechanism of polyphenylene sulfide resin.

40. 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.

41. P-dichlorobenzene has even more potential in domestic markets of fungicide, bactericide and deodorant, and development of polyphenylene sulfide will also demand greater amount of this product.

42. The present invention relates to an ester-based stannic sulfide stable compound and its preparation method and application.

43. Some single-layer films of 9 infrared thin film materials, which include fluoride, sulfide and selenide, have been made by resistive heating evaporation or electron beam bombardment technique.

44. The D2EHPA-TOA organic phase was used as the solvent-extraction system for the concentration of zinc and the separation of ferric ion from the biochemical lixivium of low-grade zinc sulfide.

45. Such technologies might someday lead to the development of an effective, pocket-size sulfide meter.

46. Cassiterite - sulfide deposit of Tieshanping at Linwu, located in Xianghualing multi-metal mine, belongs to nervation tin-deposit of fracture-filled and replacement type.

47. Theiryield depend on the reaction temperature , mole ratio of chlorobenzene and hydrogen sulfide, and space - velocity.

48. The QXF-3 detergent for cleaning ferrous sulfide is effectively used in desulphurizing system of catalytic cracker.

49. In the further of this thesis, we study the influence of doping some optoelectronic small organic molecules or Cadmium Sulfide nanoparticles on the P3HT/PCBM organic photovoltaic device.

50. The sulfide mineral mainly consists of pyrite, and a small amount of pyrrhotite, galena and sphalerite./sulfide.html

51. More commonly though , the sulfide is restricted to solid aggregates filling the space between the paths.

52. Effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.

53. Volcanogenic massive sulfide deposits occur widely in the ophiolite of the Erlangping Group of the Eastern Qinling Mountains.

54. The column leaching experiments of the primary ore of copper sulfide with thermoacidophile, KY-2 strain, are conducted.

55. Even at these vents, bacteria survive using the poisonous chemical hydrogen sulfide to create food.

56. The brown clouds in the middle are a mixture of ammonia and hydrogen sulfide.

57. The development of polyphenylene sulfide(PPS) industry at home and abroad, their technological progress and the market were surveyed and their bright prospects were also exhibited.

58. Dibenzyl sulfoxide and dibenzyl sulfone were synthesized from dibenzyl sulfide oxidated with H 2O 2 without catalyst.

59. This study was aimed at studying the effects of diallyl sulfide (DAS) and diallyl disulfide (DADS), organosulfur compounds derived form garlic (Allium sativum L. ), on the process of angiogenesis.

60. The exothermal reaction of the iron sulfide in oil storage tanks was the main cause of self-ignition of the oil products.

61. The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.

62. Semiconductor materials, such as titania, zinc oxide, cadmium sulfide and cadmium telluride have excellent UV absorption property to generate photoelectrons, which form photocurre...

63. Susumu Mizuta , Wakichi kondo , Kinjiro Fujii. Hydrogen production form hydrogen sulfide by the Fe - Cl hybrid process. Ind Eng Chem Res, 1991,30:1601—1608.

64. Hydrogen sulfide is present in raw natural gas and in the odor of rotting eggs.

65. The invention provides an effective method featuring small medicament use amount, convenient usage and little environment pollution for the separation of molybdenum and bismuth sulfide minerals.

66. Rose, Rose, and so can absorb hydrogen sulfide, benzene, phenol, ether and other harmful gases.

67. The efficient components of allicin were identified as diallyl sulfide, diallyl disulfide, diallyl trisulfide, etc.

68. Include polyoxymethylene, polyamide, polycarbonate, ABS, polyphenylene oxide, polyethylene terephthalate, polysulfone, polyether sulfone, polyimide, polyphenylene sulfide and so on.

69. Photovoltaic cells rely on amorphous or crystalline silicon, cadmium telluride, or copper indium selenide and sulfide.

70. The method, experimental equipment and results of column leaching were presented for low - grade copper sulfide ore.

71. The indoor test result of ore samples has shown that the higher the content of iron ions, the faster the speed of sulfide mineral oxidate and the greater the possibility of fire hazard exists.

72. Laboratory studies have shown that sodium sulfide or the sodium hyposulfite can be oxidized to elemental sulfur by strain 1 or strain 2, they can obtain energy from the oxidation.

73. It is economical and effective to remove low concentration of hydrogen sulfide by activated carbon.

74. Suggestions on the improvements of the aqueous alkanolamine solution process for removing of hydrogen sulfide and carbon dioxide simultaneously are also presented.

75. A method for detecting the pressure of hydrogen sulfide in a fluid by discoloration of paper which has been moistened with lead acetate solution.

76. Medium for polyester, polypropylene, polyphenylene sulfide film and so on.

77. It was also found that, besides native silver, there existed coPPer-bearing argentite which seemed to be an alternation Product through the replacing of native silver by late-formed copper sulfide.

78. Carbon reduction of copper sulfide concentrate with lime and graphite has been investigated. The results show that reduction rate of copper reached 98%, which increases with increasing temperatures.

79. Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.

80. Polyphenylene sulfide ( PPS ) composites filled with Polytetrafluoroethylene ( PTFE ) and kaolin nanoparticles were prepared by compression molding.

81. The key of the CO shift process is applying sulfidation resistance shift catalyst[http:///sulfide.html], so that the feed gas with sulfide can be shifted directly without removing sulfide.

82. As he went out, a smell of hydrogen sulfide, like rotten eggs, wafted in.

83. The paper discusses the solubility of the arsenious sulfide in the nonoxidizahle strong acids.

84. In addition, some comments and proposals were given for the development of polyphenylene sulfide industry in China.

85. The most common determining methods of corrosive gas - hydrogen sulfide are the methylene blue spectrophotometry and the iodimetry, however, these two methods are both affected by many factors.

86. Don't use the devices with rubber cushion or avoid black sulfide pollution.

87. The evolution, mechanism and characteristics of wet oxidation for removing hydrogen sulfide from bio - gas are reviewed.

88. The results show that ore particle size has an important impact on catalytic bioleaching of low-grade primary copper sulfide ore with activated carbon.

89. FTIR result showed that it is the physisorption of the interaction among sodium sulfide, DDA and n-octanol with smithsonite's surface.

90. Diallyl trisulfide was synthesized with a yield of 76.4% based on sodium thiosulfate, allyl bromide and sodium sulfide.

91. The drilling in sulphide mounds at the ocean bottom and their comparison with VMS (volcanogenic massive sulfide) indicate that they have similar internal structures and mineral zonation.

92. According to the properties of sulfide ore and current situation of production, additional collecting agent of new type is used for improving various technical parameters and economic benefit.

93. The dominant bacteria, which can remove methyl sulfide such as methanethiol(ME), dimethyl sulfide(DMS) and dimethyl disulfide(DMDS), were enriched and cultured by activated sludge process.

94. The synthesis method of zinc sulfide microballoon belongs to the field of semiconductor material preparing technology.

95. The liquids, from bottom to top: antimony, sodium sulfide, and magnesium.

96. Lithopone: B301 lithopone: white paint, zinc sulfide content of 28 percent.

97. Based on fundamental of chemical precipitation, the superfine manganese sulfide was prepared by designed different technologies and conditions.

98. The treatment of Pb Bi Ag sulfide ore and recovery of valuable metals with the corporation of pyro and hydro metallurgical process are investigated.

99. Bacterial activity in anaerobic wastewater produces hydrogen sulfide gas, particularly in warm climates when sewers are laid on flat grades.

100. The pumice comes from Italy; and the pigment which gives "the plug" its color is cadmium sulfide.

101. The reasons for this phenomenon and the influence of the sulfide scale demixing on the sulfidation process of Fe-Cr alloys have been discussed.

102. Based on analyses of the structure and composition of sulfide scales, the sulfidation mechanisms of the alloys with different additions have been proposed.

103. Acid - volatile sulfide in river sediment sample was measured by reaction headspace.

104. The simple methods are put forward to calculate Fermi level and edge level of sulfide mineral by means of potential of mineral electrode and zeta potential of mineral surface.

105. Using Sodium. sulfur and p-dichlorobenzene poly (phenylene sulfide) were synthesized in solvent hexamethyl phosphoramide.

106. The mineral deposit occurred in the sedimental rock system of sulfide, shows the characteristic of layer - controlled.

107. Remote-controlled machines smash the sulfide deposits, which are then hoovered up through a riser pipe to a vessel on the surface.

108. Ambient conditions that include toxic gases such as hydrogen sulfide, sulfurous acid, nitrous acid, chlorine, bromine, methyl bromide, ammonium, etc.

109. An index proportional to the content of inclusions from a specified limit size upwards can be calculated separately for the oxide and sulfide components or as a total value.

110. Dyestuff: anthraquinone, black ferric oxide, indigo blue pigment, butyric acid, titanium hydroxide, zinc sulfide, all kinds of intermediate of azo dye - stuff.

110. try its best to gather and create good sentences.

111. Chemical state of As was analysed, on the basis of features of soluble As and arsenic sulfide.

112. The paper discusses a new technique to treat arsenic containing acidic waste water by ferrous sulfide. Results show that the method is efficient to remove arsenic, and has practical value.

113. For the enhanced anaerobic sludge system with Thiobacillus, sulfide autotrophic denitrification is the main reaction, and the optimum N/S ratio is 0.4.

114. The results show that the adaptability of thermoacidophile to the primary ore of copper sulfide can be achieved by culture continuously in long term.

115. Inorgano phosphor with a red x ( yttrium oxide), yellow-green (zinc sulfide), blue (sulfuration AG), and so on.

116. A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.

117. Hydrogen sulfide compressor lubrication system and cylinder to keep dry.

118. The calcines of siliceous zinc sulfide concentrates were treated hydrometallurgically.

119. Rhenate of ammonia, rhenate of potassium, oxide of calcium, oxide of molybdenum, rich-manganese slag, spiegeleisen(containing manganese), lime, lead sulfide, electrode paste.

120. In the passivation region, the diffusion process of sulfide in the surficial layer is the rate-determining step of corrosion.

121. B302 lithopone: white paint, zinc sulfide content of 28 percent, after surface treatment than the B301 have a better dispersion.

122. The fracture of Daxian-Wolonghe River Wet Gas Pipeline and the hazards of ferric sulfide powder produced in dry gas pipeline are analyzed in detail.

123. The catalyst precursors can form a hydroprocessing molybdenum sulfide catalyst in heavy oil feedstocks.

124. The result showed that by using chemical cleaning media to prevent autoignition of ferrous sulfide, the effect is obviously good with no corrosion, no pollution, and simple an.

125. To improve the homogeneity of manganese sulfide and calcium fluoride, the machinability could be enhanced.

126. The sulfide was in the form of thiophene, mercaptan and thioether .

127. On May 12, 2004,() the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite captured this image of a hydrogen sulfide eruption in progress.

128. Liujiaping pyrite type massive sulfide copper ( zinc ) deposits would be shut in.

129. The massive sulfide contains fragments of barren and mineralized gabbro, and schist.

130. The process of dump bioleaching of secondary copper sulfide as chalcocite and covelite includes two stages, in the first stage, the leaching speed is faster than that in the second stage.

131. Ratio of poly - sulfide rubber and activated viscosity index improver to epoxy was determine and discussed.

132. Thioglycolic acid(TGA) is adopted as depressant against copper sulfide minerals in the flotation separation of molybdenum from copper sulfide minerals.

133. It gives off the gas hydrogen sulfide, which even in small concentrations is lethal. People generally call the gas "sewer gas."

134. Changes of various types of sulfide in the method are researched by GC - FPD.

135. According to the isotope determination data of the primary sulfide from the vein.

136. Indium sulfide nanomaterials of different frameworks and morphologies have been prepared ionothermally using indium chloride and sodium sulfide as raw materials and different ionic liquids as solvent.

137. It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.

138. With certain addition agent in a polar organic solvent, the crystal linear HMW PPS was synthesised from sodium sulfide and p-dichlorobenzene.

139. On this basis, combining the distribution feature of sulfide in mantle and the model of mantle diapir uprising, the model of formation and evolution of second stage magma has been advanced.

140. REE compositions of gold-bearing Pb-Zn sulfide quartz vein are close to those of Caledonian granite. Trace element curves of both are very similar too.

140. Wish you can benefit from our online sentence dictionary and make progress day by day!

141. The rotary film evaporator with heat-conducting oil furnace is a new kind key equipment for the production of sodium sulfide.

142. They'd have a lot of hydrogen sulfide gas bound up in their cells.

143. Semiconductor quantum dots(QDs)are inorganic nanocrystals consisted of a cadmium selenide (CdSe) core which was wrapped in an outer shell of zinc sulfide (ZnS).

144. The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.

145. The paper reports the results of PPS- 2 dry film with MoS2 as the lubricant and polyphenylene sulfide as the binder.

146. Industrially, methanethiol is synthesized in the gas phase from methanol and hydrogen sulfide over tungsten-based catalysts.

147. Polyphenylene sulfide is a kind of engineering plastic with many excellent characters, and it' s used widely.

148. The roasting kinetics of copper sulfide concentrate is investigated with the differential thermal analysis (DTA), thermo-gravimetry (TG) and X-ray diffraction (XRD).

149. Carbothermic reduction of zinc sulfide in the presence of lithium carbonate and calcium oxide analysis ( TGA ).

150. At the presence of sliver ions, the low oxidation potential was more favorable to the copper dissolution than the high potential for low-grade primary copper sulfide ore.

151. A high percentage of lead in steels solidifies at the tip of manganese sulfide inclusions.

152. Genetically, the deposit is a Cu-Ni sulfide of magmatic liquation and superimposition.

153. Experiment results show that as cooking additive quinone compounds are more suitable for soda cooking without sodium sulfide.

154. It will become to white zinc sulphide after absorbing sulfide in air to be poor at primary stainability.

155. Objective To compare the gene expression status of NB4 cells before and after arsenic sulfide treatment by cDNA microarray.

156. The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.

157. Besides, 20 kinds of safety distance of natural gas wells with different open flow quantity and different concentrations of hydrogen sulfide are provided through calculation.

158. Sodium sulfide spent caustic liquor was treated by wet air oxidation ( WAO ).

159. Effects of sodium sulfide on collectorless flotation of galena have been investigated.

160. It's very difficult to investigate the content variation of sulfide in fine propene since the state of organic sulfide in gas fractionation unit feedstock (LPG) was very complex.

161. The results showed that the activation of sodium sulfide to the smithsonite due to the HS- ion adsorbed on the smithsonite's surface and lead to the zeta potential drop.

162. A coatings containing polytetrafluoroethylene(PTFE) was prepared with polyphenylene sulfide (PPS) and polyimide (PI) as adhesive which were mixed with PTFE in a suitable solvent.

163. These geophysical parameters indicate that conditions are available in these areas for prospecting copper sulfide deposit using induced polarization method.

164. A yellowish - brown nickel iron sulfide that is the principal ore of nickel.

165. The preparation and catalytic performances for thermochemical decomposition reaction of H_2S to H_2 of several catalysts of iron sulfide were investigated.

166. Tetrahedrite is a common cupreous sulfide mineral in the Ashele volcanic massive sulfide deposit.

167. It is put forth that the arsenious Sulfide can't dissolve in the nonoxidizable strong acids. but can dissolve easily in the alkaline solution because of existence of hydrolytic equilibrium.

168. In all hydrothermal deposits the minerals formed are not solely the sulfide ore minerals.

169. The kinetic study on the reaction of Ia - d with diphenyl sulfide in benzene was carried out.

170. If the combination of gases that make up a fart includes a significant amount of hydrogen sulfide[Sentence dictionary], then it will stink.

171. A multilayer band pass infrared thin film optical filter has been designed and manufactured which use lead telluride and zinc sulfide as thin film materials.

172. Nano particles zinc sulfide were synthesized by using zinc sulfate and hydrogen sulfide as source materials.

173. Copper and sulfur exist in sulfide. Usually aurum and argentine exist in copper ore mostly in enfoldment state .

174. From the point of molecular structure, the paper presents the chemical modification methods of polyphenylene sulfide.

175. Removal and recovery of sulfur from sulfide dye intermediate wastewater was studied by iron clip filtration coagulation process.

176. Machinability of P/M sintered steels with manganese sulfide and calcium fluoride additives is investigated and analyzed by experiments of sintering and cutting on milling machine.

177. Protection objects: chlorine, sulfur dioxide, nitrogen oxides, hydrogen sulfide, phosgene, phosphorus and chlorinated organic pesticides and other acid gases.

178. Ankerite microclinite, a special type of rock, is closely related to the ore-forming process of massive sulfide deposits in the East Liaoning Proterozoic rift.

179. The result showed that by using chemical cleaning media to prevent autoignition of ferrous sulfide, the effect is obviously good with no corrosion, no pollution, and simple and quickly.

180. In this article, the main task is treating the sulfide in the wastewater before it flows into the concrete pipes and the reasons of this microbiologic corrosion are also interpreted.

181. This method is simple, rapid and liner equimolar with the sulfide. The detector has a high sensitivity and is not disturbed by the sample substrate.

182. The results show that a cooper concentrate grading 19.10% at a copper recovery of 35.02% can be obtained when sodium sulfide is used for activation and butyl xanthate for flotation.

183. With hydrogen sulfide and tetrapropylene as raw materials, TDM was synthetized by the one step process in the presence of acidic ion exchange resin.

184. Heat gathering was the key factors for iron sulfide self-ignite.

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185. The oxygen isotype method was used to test the hydrothermal chimney and sulfide samples collected from the Mariana Island Arc, the Mariana Trough, the Okinawa Trough and the Galapagos Rift.

186. Though xanthate, the traditional sulfide ores collector effective in collecting ability, its selectivity is not good.

187. The mineralization stages include: quartz, pyrite-quartz, pyrite veinlet, multi-metal sulfide and calcite-quartz. The multi-metal sulfide stage is the main mineralization stage among them.

188. The nano-crystals include cadmium sulfide, iron oxide, barium sulphate, magnesium chloride, silica and so on.

189. Secondly, a newly associated model and EOS model are established to calculate the solubility of the elemental sulfur in sour gas with hydrogen sulfide.

190. They can be transformed into sulfide and become active for HDS reaction at normal sulfidation conditions.

191. The production situation of thiourea in China is introduced. Most factories produce thiourea with hydrogen sulfide and calcium cyanamide and the total domestic output was 60 thousand tons in 2003.

192. The composition of volatile sulfide in waste gases from refinery and catalytic combustion desulfurization pilot-scale unit were analyzed, and this applicability of this method is verified.

193. A method is described about checking curing state of vulcanizate by determinating zinc sulfide side-product in curing process.

194. The method consists of grinding, screening and flotation etc. in order to carry out flotation of copper successfully, xanthate and aerofloat are used as collectors and sodium sulfide as activator.

195. Yet the alchemists had their triumphs, inventing brilliant new pigments, perfecting the old — red lead oxide, yellow arsenic sulfide, a little copper and vinegar and you've got bright green verdigris.

196. Carbon sulfide stimulated Raman scattering and toluene stimulated Raman scattering were studied by experimental method in the dissertation.