benzene造句
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, 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.
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