benzene的意思和读音

benzene

: [benˈzin] : [ˈbenziːn]

n.

benzenen.

1.a clear liquid obtained from petroleum and coal tar , used in making plastics and many chemical products

n.1.“benzine. methyl benzene”2.

n.1.Same as benzine. methyl benzene2.a liquid obtained from petroleuma type of oil, used for making plastics and liquids for cleaning

1. Acetone( ) Benzene( ) ...

2. Xylene Benzene Toluene ...

3.pacity):6、(CTC):7、(Benzene):8、(Hardness):9、(Moisture):10、(Ash):11 …

5. TVOC BENZENE ( WHO,1989) ...

6. Epichlorohydrin Benzene Methylene Chloride ...

7. ... 1-()-4-(2-)- Benzene,1- 1--2--4-() Benzene,1-Methyl-4- ...

8. ... 7) ; Benzene 9) ;;; Benzene 3) ;;; Chlorobenzene;chloro-Benzene;Phenyl…

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1.benzene is an industrial chemical used to produce a wide range of plastics , detergents and other chemicals.广

2.Benzene and benzene series also had been decided to be carcinogen by World Health Organization.

3.Using conventional distillation, the separated yields of benzene, ethylbenzene and cumene were all over 95%.95%

4.The company said in a hearing that it would have cost $7 million to comply with the benzene emission regulation.700

5.Again for raw materials and with its front has made - acetyl groups benzene and sulfonated reaction, the synthesis target objects.-

6.But automobiles and gas stations aren't the only sources of benzene, hexane, and other air contaminants, warned one of the researchers.

7.Benzene used to be a common solvent in organic chemistry but is no longer used because it is a suspect carcinogen.怀使

8.During the next three years, investigators compiled evidence that included hundreds of internal memos about benzene emissions.3

9.The German chemist Kekule dreamed of snakes biting their tails, therefore discovered the ring shape of the chemical compound benzene.

10.From the point of view of technology, the pilot plant of selective hydrogenation of benzene to cyclohexene has been analyzed and designed.