benzene造句
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, 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.
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