1, The benzene vaporized and formed a huge cloud of gas.

2, Combustion: Benzene burns to form carbon dioxide and water.

3, For over six months faulty filters were letting benzene through.

4, Studies on people exposed to high concentrations of benzene in the workplace have shown it is linked with leukaemia.

5, At point E a solid mixture of benzene and naphthalene is formed.

6, The copious benzene rings and potential carboxylic acid groups in coal suggest that these transformations might not be too difficult.

7, The rain is rich in benzene and hydrocarbons, which can be carcinogenic, together with sulphur dioxide and other pollutants.

8, The liquid composition then becomes richer in benzene and travels along the curve c'-E.

9, Benzene is found in petrol vapours and car exhaust fumes.

10, Smoke contains benzene, nitrosamines, formaldehyde and hydrogen cyanide.

11, The benzene ring is also seen in other compounds.

12, Ferric Chloride alone gives polymer with benzene.

13, Crude benzene is byproduct in the production of coke.

14, Coal tar , acetic acid, dodecyl benzene Sulfonic Acid.

15, Benzene hexachloride is commonly called BHC.

16, The effects of catalyst dosage, the ratio of benzene to olefin,(http:///benzene.html) reaction temperature and reaction time on the yield of alky-benzene and the quality of alkylate were investigated.

17, For re boiling furnace of dimethyl benzene tower in arene rectifying process the PEC PID cascade control algorithm based on the principle of prediction function control (PFC) is sta ted.

18, Crude oil is industrially refined to purify it and separate out the different elements, such as benzene.

19, The curve in the middle shows what happens when a mixture of benzene and naphthalene is cooled.

20, One of the hydrogen atoms in ammonia is replaced by a benzene ring.

21, The corresponding value for the distribution of iodine in benzene and water is about 400.

22, Typical results are shown in table 9.2 for a polystyrene sample dissolved in benzene.

23, Solid begins to form at point A. Depending on the composition of the mixture, the solid will be either benzene or naphthalene.

24, SOLID-LIQUID EQUILIBRlA Figure 6.28 shows the cooling curves for pure benzene, pure naphthalene and a mixture of the two.

25, Using solvent relief absorption gas Chromatography to estimate the concentration of the Benzene and benzene series in the room air.

26, The results show that EJD-1 has good degradation effect for methylbenzene. There is much bacteria which can degradate benzene series compound, also there's some which can degradate ortho-xylene.

27, The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts, respectively, were investigated.

28, PBZT is a rigid rod polymer, Its molecula chain is consisted by benzene ring and hybrid benzene ring. PBZT film is extruded from PBZT/MSA anisotropic solution.

29, These organic pollutants included phenol, organosulfur compound, organic acid, organophosphorus pesticide, substituted benzene and multi-component organic pollutants.

30, Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.

1, The benzene vaporized and formed a huge cloud of gas.

2, Crude oil is industrially refined to purify it and separate out the different elements, such as benzene.

31, The synthesis methods of chalcone and benzene ring alkylation are discussed.

32, The hydrophobic property of the resin has remarkably improved by adding the hydrophobic group of benzene ring to the molecular structure of the resin.

33, Regular exposure to benzene, the skin but because of defatted anddesiccatedry, some occurrence of atopic eczema.

34, The surrounding area of the coke oven, the raw coal gas purification workshop and the coal tar and crude benzene processing workshop would be the most serious pollution area of the coking plant.

35, The propyl benzene latex with fine grain diameter for coating paper surface paint of the invention is an environmental-friendly high-property product which can be used by paper making paint.

36, The values of the two-phase distribution constants between three organic solvents of chloroform, benzene, n-hexane and water have been determined by means of two-phase titration.

37, The kinetics of hydrodealkylation of toluene into benzene on CrMo catalyst was studied.

38, Divinyl benzene(DVB) was more effective than ethyl glycol dimethyl methacrylate(EGDMA) to make polymer crosslinked.

39, Radiation, benzene and alkylating agents all appear to have a threshold level below which aplastic anaemia will not occur.

40, When the substituent at the benzene ring and the N atom of aniline, the HDAC inhibition activity is different from that of SAHA.

41, The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.

42, So man insert the substituent to benzene or pyrazoline in order to improve the wet photostability. On the other hand, 1,3-diaryl-2-pyrazoline is the important medical intermediate.

43, In the recovery of used acid from coking refined benzene by means of salting-out-extraction process, small amount of acid tar slag is produced.

44, Objective To investigate the contaminated condition of formaldehyde, benzene series, radon in doors air of newly decorated residences.

45, Directing Effects in Aromatic Substitution . Nucleophilic Aromatic Substitution . Strategies in the Synthesis of Multisubstituted Benzene Derivatives.

46, This paper determine tiny benzene and toluene of the waxes by head-space gas chromatograph with Flame Ion Detector. The method is accure(Sentencedict), rapid and repeatable easily.

47, This technique cut off benzene and acetonitrile weakened the toxicity, reduced the production cost.

48, The invention relates to an erasable two-photon polarized multivariate, multistage and multilayer optical storage technology based on a bisazo benzene polymer.

49, Products such as methane chloride, gourmet powder, sorbierite, rutile, freon and benzene series were mostly produced in the east plant compound.

50, In addition, still can give the mental analeptic of small dose thing, be like: Benzene third amine and ester of Pai vinegar armour, issue application in doctor guidance when necessary.

51, We analyzed theoretically and computed numerically the transmission spectrum of azo - benzene doped POF LPG.

52, Membrane filtration technology emerged difficult to deal with some materials containing benzene ring in the printing and dyeing wastewater.

53, The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.

54, The cyanate Resin is modificated by styrene and divinyl benzene , which are called active diluent.

55, Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.

56, A gas chromatographic method is described for determining benzene carboxy - lic acids and esters.

57, The dominant reaction pathways and the effect of reaction temperature and type of zeolites on the yield and selectivity of benzene formed during catalytic cracking of cumene were investigated.

58, This article analyses the reasons of the indoors air pollution production and brings up the pollution mainly consists of formaldehyde, benzene series, ammonia and radon.

59, One system found on the basis of HPLC system, which was suit for high temperature. The temperature selectivity was studied through analyzing benzene homologue and aromatic hydrocarbons.

60, In this reaction, besides substitution products thiophenol etc, the reduction product benzene is formed.

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

62, The effects of catalyst preparation conditions and reaction parameters on the performance of the catalyst for the benzene benzylation with benzyl chloride were investigated.

63, Oil in the redeployment of high-octane fuel components, blending the best choice programs, such as redeployment isooctane, cumene, alkyl benzene, methyl tert - butyl ether, alcohol burning Materials.

64, A new solid phase microextraction (SPME) fiber coated with activated charcoal was estimated by determination of benzene, toluene and xylene(BTX)in indoor air.

65, Alteration of two vibration modes of benzene ring of the drug shown by difference spectroscopy gives evidence of the insertion of benzene into acidic phospholipid bilayer.

66, The Refractometric analysis of binary liquid system of benzene - chlorobenzene was investigated.

67, They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but, DMF and DMSO.

68, The oil removes the benzole a mixture of benzene, toluene and xylene from the gas stream.

69, Objective To explore the developmental toxicity and teratogenicity of benzene on mouse embryo in vivo.

70, The technical requirements for preparing cyclohexanol from benzene is introduced and compared with the traditional process.

71, General and current data is light steel plasterboard is stuck outside keel, it is good that sound insulation effect is added among " mineral wool board " or " benzene board " .

72, The process of changing an open-chain hydrocarbon structure to a closed ring, e. g. , hexane to benzene.

73, Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.

74, Our main products are coke, coal tar, coal gangue, crude benzene, gas, such as metallurgical coke.

75, Among these components, 17 of which were identified as benzene carboxylic acids and phenolic acids by using GC-MS analysis and by comparing with authentic compounds.

75, try its best to collect and build good sentences.

76, Large surface area and strong absorptive power. High speed in absorbing diversified pernicious gases such as benzene, formaldehyde and ammonia. Regeneration in short time.

77, Also can absorb the harmful gas such as hydrogen of formaldehyde, vulcanization, benzene, phenol, ether aloe, red-spotted stonecrop , Chinese rose, rose.

78, Do not clean PC sheets with benzene, gasoline, acetone, or tetra chloromethane.

79, While the conversion of benzene and toluene increase remarkably for metal catalysts supported on WO 3 co-precipitation.

80, These results showed that the change of end substituents X and side substituent Y of benzene ring in the molecules had important effects on mesogenic properties of these liquid crystalline compounds.

81, No osmyl and no taste. Soluble in Benzene, Acetone, C2H4Cl2, CS2, toluene, party soluble in alcohol, diethyl ether, insoluble in water, gasoline.

82, Three benzene are solvents with features of colorlessness, aroma, volatility and nammability.

83, Taking industry benzene as extraction agent, rogor is recovered from rogor synthesis waste water by multipolar counterflow extraction.

84, For concentrating benzene an adsorbent such as Poropak Q can be used.

85, Recent and new techniques used in anodic oxidation methyl of benzene rings are also extensively discussed.

86, Using benzene as solvent(), the reactions of several aromatic hydrocarbons with N-bromosuccinimide at visible light and nitrogen atmosphere were examined.

87, In recent years, more and more scientists modify the double bond or benzene ring of resveratrol to get higher activity, lower toxicity derivates.

88, Especially the benzene ring of polystyrene cation exchange resin varies slowly. Therefore the graphite degree of carbonized product of polystyrene cation exchange resin is getting low comparatively.

89, Stuffing is innocuity for God's image. pull on rubber glove please when using . if stuffing is left at skin, clean it with alcohol, acet . , benzene etc.

90, The major impurities of dicofol 40% benzene solution were separated.

91, The chemist Kekule discovered the ring structure of benzene in a dream.

92, Benzene and benzene series have also been who identified as carcinogens.

93, The main source of benzene in the presence of a catalyst oxidation to form maleic acid, and then derived by isomerization.

94, This paper reports firstly the compounds is synthesized through acetylation and closing ring. And the method of inducting pyran ring to benzene is solved.

95, Methods Less toxic solvents such as cyclohexane, n-hexane, petroleum ether and chloroform were compared with benzene and toluene.

96, The transalkylation of polyethylbenzene, mainly diethylbenzene and triethylbenzene, with benzene catalyzed by tungstophosphoric acid has been studied in stirred autoclave.

97, Aicohol mutipurpose glycollic hexanl mutipurpose benzene , toluene and xylene.

98, Nanking Linear Alkyl Benzene Factory's reboiler oil heater (F-501) is a multivariable industrial plant.

99, The univalent organic radical C6H 5, derived from benzene by removal of one hydrogen atom.

100, It means that 1,4-benzoquinone did damnify the ct-DNA, as is one of the ways by which benzene causes cancer, for the reason that benzoquinone is the ultimate metabolic product of benzene.

101, A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

102, In recent years, high efficiency of filling tower has gradually substituted for wood space filling benzene washing tower.

103, Two kinds of isothiocyanate(NCS)fluorinated LC materials with two benzene rings were prepared.

104, Discomposes harmful gas quickly such as formaldehyde, benzene, ammonia and have no side effect.

105, This system also can catalyze the reaction of benzene with alkyl chloride(http://), in which only the desired diphenylmethane is isolated in good yield (5 equiv. ).

106, In recent years, more and more scientists modify the double bond or benzene ring of resveratrol to get higher active, lower toxicity derivates.

107, The self-made multi-needle-mesh reactor was adopted in this study, and benzene and m-xylene were selected as the target pollutants.

108, The distribution characteristics of long chain alkyl benzene in different state hydrocarbon can be used for petroleum accumulation dating.

109, The results showed the exposure surface of planets decreased by coating treatment, so the concentration of formaldehyde and benzene series in air reduced and were lower than the standard value.

110, A method was developed using micellar electrokinetic capillary chromatography (MECC) to analyze and determine the content of the benzene homologue compounds in marine shallow sediment samples.

111, The catalytic activity of tungsten carbide was studied through hydrogenation of benzene.

112, Oxidizing sidechainalkyl of benzene ring is one of the most important reactions in the organic synthesis.

113, Synthesis ofp - nitro - ethyl benzoate with benzene sulfonic acid as catalyst is reported.

114, The benzene ring of both resins is glowing into benzene fused ring structure with the carbonization temperature increasing.

115, The application of catalytic distillation reactor in benzene alkylation process is presented.

116, With half-trace law instead of constant law, bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether.

117, An improved method for synthesis ofp - diisopropoxy benzene at high pressure was developed with less consumption of 2 - bromopropane and less cost.

118, CR/ polystyrene (PS) IPN blend was prepared by stepwise synthesis based on CR and styrene monomer and using divinyl benzene(DVB) as crosslinking agent of PS.

119, The effects of the three dewaxing solvents, including low benzene content, medium benzene content and no benzene, were compared by test data. The advantages of MIBK solvent was demonstrated.

120, The hexagonal structure in the center of the Paradox molecule is a Benzene ring.

121, Solubility: Insoluble in water, but soluble in dimethyl benzene, chloroben , DMF, dimethylphthalate and dibutyl phthalate.

122, Objective To understand the indoor air contamination condition of benzene series compounds in constructional ornamental materials sale stores and to offer data for occupational health protection.

123, The 3500 organic vapour monitor was used as a new device to collect air samples containing benzene, toluene and o-xylene.

124, A description of the apparatus and its performance are presented. Preliminary experimental results on the photodissociation of toluene and benzene are given.

125, Benzene vapor was introduced into the reactor by using air as carrier gas that was flowed through a benzene-containing bubbler, which was placed in an ice bath.

126, Gasoline service stations and motor vehicle exhaust also release benzene.

127, Here, we reported a new method of direct hydroxylation of benzene to phenol with dioxygen in presence of amine based on the results gained by formers in our group on the benzene hydroxylation.

128, Resonance theory says that benzene can be represented by two contributors.

129, An effective 1,3 dichlorobenzene degrading strain PF 11 from benzene utilizing bacteria isolated from town gas industrial effluent by genetic breeding was introduced.

130, By comprehensive analysis, it offers some advice on treat benzene series hazards in this enterprise in future.

131, Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.

132, OBJECTIVE To establish a method for detecting benzene series from macro - reticular resin in Peristrophe roxburghiana extraction.

133, The material of the antiskid sheets is synthetic rubber, such as artificial rubber or butyl benzene alkene artificial rubber.

134, In terms of plant classification the Araceae family and Aspleniaceae family show the higher uptake to benzene.

135, METHODS Headspace GC was used to determine the skellysolve B, benzene, methylbenzene,(http:///benzene.html) styrene in Peristrophe baphica extraction.

136, Benzene (1825) Simplest aromatic hydrocarbon (see aromatic compound), parent substance of a large class of chemical compounds.

137, The effects of some cooking additives such as anthraquinone, sodium dodecyl benzene sulfonate and the water-soluble quinone additive CT-1 in two kinds of displacement cooking processes were studied.

138, Standard formation enthalpies of substituted benzene and benzoic acids derivates are related to the primary effect, secondary effect and the barrier point of the substituent.

139, The poly macromer was copolymerized with butyl acrylate in benzene to form the graft copolymer.

140, This paper recounts the cause and the process of a death accident of acute benzene poisoning, and the deadliness cause is analysed.

141, The tendency of preparing adipic acid and hexamethylene diamine from non - benzene materials is also introduced.

142, Main business: coal, Metallurgical coke, Bituminous coal, Coal tar pitch, Coking benzene, Fuel oil, Mixed Oil, Refined Naphthalene , washed oil, Anthracene oil etc. GB products.

143, To establish thermal desorption gas chromatography for the determination of n-hexane and benzene in the air of workplaces.

144, The results show that 60 romatic compounds exist in indoors air, which include 48 benzene series and 12 others aromatic compounds, the inspection rates of 23 are exceeding 50%.

145, The dispersant are alcohol, ether, alcohol - benzene component solvent or non - proton polar solvent.

146, The activities of catalysts were assayed by micro-catalysis chromatogram technology with the dehydrogen cyclo-oxidation of n-hexane and hydrogen reduction of benzene as the probe.

147, A rapid method for determining benzene contents in reformate by Near Infrared Spectroscopy is described in this paper.

148, This standard solution was accurately prepared in super-clean laboratory with iso-propyl benzene and sub-packed in 2ml ampoules.

149, Recent progress and synthesis methods on direct hydroxylation of benzene to phenol are systematically introduced.

150, Due to long term application of organic manure and inorganic fertilizers, the portion of N in heterocyclic compound was reduced, while benzene and non-benzene compound was increased.

151, This paper reviewed the synthesis of benzene phosphorus dichloride ( BPD ) and its applications.

152, Nitrobenzene (NB) is a colorless or slightly yellow with a bitter almond taste oily liquid, insoluble in water, soluble in ethanol, ether, benzene and so on.

153, Product use: catalysis, regeneration gas filtering, hydrogenation, oil filtering; ethylene, propylene, butadiene, toluene, dimethylbenzene, benzene, ...

154, Method: Using phenolsulfonphthalein method and dimethyl benzene method, the roles of dissolving sputum and anti-inflammation of MJH and GJH were studied.

155, The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl- anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.

156, The electrochemical reduction of benzene on a smooth Pt electrode has been studied by confocal microprobe Raman spectroscopy.

157, Objective:To study the effects of benzene and its homologue on the menstruation and reproductive function of female workers.

158, Formaldehyde 8 hydroxyquinoline sodium benzene sulfonate resorcinol copolymer described as chelating ion exchange resin was synthesized.

159, Properties Soluble in benzene, acetone, chloroform, a little soluble in alcohol, insoluble in water.

160, The results indicated that the main reactions of cumene cracking were dealkylation and proteolytic cracking of alkyl side chain. Benzene was mainly formed by the dealkylation reaction.

161, Objective To explore the chromosomal aberration ( CA ) in lymphocytes caused by lead, arsenic, and benzene.

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

163, To discuss the treatment of reclaimed acid, the treatment of acid tar and recovery of benzene oil-gas.

164, The PS hikes can be chalked up to an improving price market for benzene feedstock, which is used to make styrene monomer .

165, The method of removal of thiophene in coking benzene and lightbenzene by chloromethylation is studied.

166, Isoamyl chloroacetate is synthesized from chloroacetic acid and isoamyl alcohol with mordenite as catalyst and benzene as water carrying agent under the irradiation of microwave.

167, Results We obtained the epoxidation products of phenyl epoxy ethane. That with substituent on the benzene ring has higher yield,(/benzene.html) and that the substituent at 5-have higher yield than at 3-.

168, The monomer reactivity ratios of NPMI with StAN in radical copolymerization are determined at 60 in benzene solution, and the composition of the terpolymer is calculated by elemental analysis.

169, The results showed that the three ways all had the removing effect on nitro- benzene sewage.

170, In order to know about current situation of test workers who expose to benzene series in one petroleum enterprise, benzene series occupational hazards are tested for 6 test jobs.

171, Catalysts for converting polyalkylaromatics to monoalkylaromatics, particularly cumene and ethyl benzene are disclosed which comprise aY-85 or a modified LZ-210 zeolite.

172, Ethyl 1,3 oxathiolane was synthesized by the reaction of 2 mercaptoethanol and propyl aldehyde in the presence ofp toluene sulfonic acid, with benzene as azeotropic dehydrating agent.

173, The methods and conditions of preparation of polystyrene- divinyl benzene microspheres with narrow size distribution and the properties and application of anionic column packing are described.

174, Using cyclohexene, benzene and styrene as probe molecules, hydrogenate reaction in situ of hydrocarbons adsorbed on noble metal catalysts (egg-shell distribution) were researched by in situ FT-IR.

175, As results, when being oxidation, the cyclohexane had best performance of antioxidation among the hydrocarbons investigated, while tetralin and butyl benzene had the poor.

176, Environmental catalytic material of iron nitride nanoparticle was synthesized by Benzene - thermal method.

177, Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.

178, Properties White powders, inodorous atoxic, it's soluble in benzene, acetone and alcohol, insoluble water.

179, Supported heteropoly acid catalysts give fairly high catalytic activity and selectivity on vapor-phase nitration of benzene and diluted nitric acid and were characterized by ESR.

180, Conclusion : The condensation reaction were affected by the position of halogen in the benzene nucleus.

181, HCH-192 unsaturated polyster resin moding process is winding glass pipe and tank products specifically developes a type of benzene resin.

182, Indoor environment for thousands of varieties of hazardous substances, the most important are : radon, radioelement , formaldehyde, benzene, ammonia, PVC, nitrogen oxides and carbon oxides.

183, In terms of plant classification, the Piperaceae family and the Araceae family show the higher uptake of benzene.

184, A biologically important organic phenol, having two hydroxyl groups attached to the benzene ring.

185, Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.

186, Adsorption of water, n-hexane, cyclohexane, benzene, p-xylene and m-xylene on high silica zeolites HZSM-5 and HZSM-11 with different SJO2/A12O3 ratios was studied.

187, The benzene case is discussed only in a footnote in Textile Manufacturers.

188, The separation of acetone, ethanol, benzene, chloroform, toluene was performed on a 10 % PEG - 20 M Chromosorb - W - AW - DMCS column.

189, In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

190, Gas phase oxidative cracking ( GOC ) of benzene had higher reactivity and decoking ability than those of relevant pyrolysis.

191, If you have benzene, for example, the lowest electronic state, is quite far below the first excited state.