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1. Coal-tar technology could not cope with the huge expansion in the chemical industry that took place after the Second World War.

2. It is an acid produced from coal-tar.

3. Colorings made from coal-tar derivatives.

4. The carbonization properties of coal-tar pitch were modified by supercritical fluid (SCF) extraction.

5. The results show that the fixed carbon in coal-tar pitch modified with activating agent has been increased.http://sentencedict.com/coal-tar.html

6. This shows that coal-tar enamel will be widely used in the pipeline protection area of our country in the future.

7. Coal-tar pitch-based carbon microspheres were prepared by adding petroleum pitch using emulsifying pitch-toluene colloidal solution in polyvinyl alcohol (PVA) glycerol solution.

8. Using coal-tar pitches as raw material, the thermal conversion experiments were done in multi - tube well - crucible controlled by programmed heating.

9. The coal-tar resources are aboudant in China and a suitable process of recovering indole is profitable both in economics and society.

10. Benzopyrene (B(a)P) and coal-tar pitch (CTP) are one of the important factors of enhancing incidence and mortality in the taroperating population with professional lung cancer.

11. With the coal production coal-tar oil substitution partial petroleum and the petroleum substitute, will be the trend in the future society development inevitable, the tar market prospect favors.

12. The low temperature coal-tar includes many precious compound, but at the present it is often selled as the liquid fuel in the market,[sentencedict.com] this creates enormous waste to the resources.

13. Separation of benzene and thiophene from coal-tar oil by extractive distillation is modelled by the tri -diagonal matrix method, the results provide a base for designing a thiophene plant.

14. For underwater hull, use antifouling as recommended. Coal-tar bleed through is likely with most topcoats.

15. With increment of temperature rising rate, the activated energies of pyrolysis reactions of coal-tar pitches increase.

16. A colorless crystalline hydrocarbon, C14H10, obtained by fractional distillation of coal-tar oils and used in dyes, drugs, and explosives.

17. The main kinds of material of reconciliation oil were coal-tar oil and heavy-oil.

18. To improve resource utilization efficiency, enlarge varieties and reduce pollution is our country coal-tar oil intensive processing development direction.

19. Varieties of morphology of carbon nanofibers are attributed to the complexity of coal-tar pitch and phenolic resin.

20. According to the demands of the market, high quality reconciliation oil made from concoction of coal-tar oil and heavy-oil was also studied.

21. The bulk graphite was prepared from starting materials of calcined coke and coal-tar pitch by the hot-pressing process.