1. A number of hazardous substances are resistant to biodegradation.

2. With chlorinated hydrocarbons, the ease of biodegradation decreases as the number of chlorine atoms per molecule increases.

3. The paper possesses nontoxic, non irritant and biodegradation advantages.

4. Microbial reactions play key roles in biocatalysis and biodegradation.sentence dictionary

5. The processes include biodegradation and water washing, bacterial sulfate reduction, deasphalting by gas influx, thermochemical sulfate reduction, gravity segregation, and thermal maturation.

6. The appearance and crystal structure change in the biodegradation of partially degraded starch granules were examined using SEM technology and multifunctional polariscope.

7. The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media.

8. The biodegradation of parathion methyl by Plesiomonas sp. (DLL 1)in soils and the influence factors were studied both in laboratory and field test.

9. Biodegradation is a main process to the overall fate of alachlor in the polluted soil under aerobic conditions.

10. An adsorption biodegradation process was used to treat brewery industrial wastewater.

11. Bioremediation is formally defined as the controlled use of biodegradation to remove toxic chemicals from soil and groundwater.

12. The effects of mass concentration, aeration rate, feeding mode[sentencedict.com], settling time on the biodegradation of butyl xanthate were investigated.

13. Advance on the microorganisms, catabolic pathway and initial dioxygenase for aerobic biodegradation of a variety of compounds were reviewed.

14. A new bioreactor was designed to study the effect of aeration on biodegradation of phenanthrene in soil.

15. Biodegradation ways, mechanism and kinetics of alkanes, cyclanes and arenes are reviewed, and the influences of temperature, nutrients, oxygen and salinity on biodegradation are analyzed.

16. The results indicate the maturity plays an important role on the concentration of carbazole compounds and its relative contents, and the biodegradation plays weak role on the carbazole compounds.

17. Fluorescein Isothiocyanate is a commonly used fluorescent dye to label chitosan, which is an important way to study the in vivo distribution, biodegradation and adsorption of chitosan.

18. It was demonstrated that PCP removal by granular sludge in UAD reactors was due to biodegradation rather than adsorption and volatilization.

19. The results are as follows: The carbon number is the greatest factor that influences the biodegradation speed.

20. Chitosan is an important biomedical material, and its degree of deacetylation is a main parameter of its biodegradation.

21. High temperature of oil - field wastewater is also one of factors to adsorption biodegradation of organic compound.

22. Of the four impact factors, the effect of lauroyl glycine on biodegradation of HVI 350 mineral oil in soil proves to be the most prominent in various biodegradation durations.

23. The inclusion of polyamide and alkyl ketene dimmer improved the mechanical properties of methylcellulose, especially the wet tensile strength. Testing of biodegradation activity showed that both St.

24. Perstraction is a brand-new membrane separation technology, which has the great potentiality in organic pollutants biodegradation and high-valued biochemicals preparation.

25. Lignin and cellulose are potential resources for being recycled. The investigation of biodegradation of lignin and cellulose by microorganisms has been more and more active in recent years.

26. Hence, the zones of higher bulk conductivity may be explained by mineral weathering related to hydrocarbon biodegradation.

27. Bioremediation with biosurfactants has been paid more attention for their good biodegradation capability and compatibility.

28. Their effluent concentrations were determined by the kinetics of their biodegradation in a completely mixed bioreactor.

29. Dibenzofuran ( DF ) is one of the model compounds for the study of biodegradation of dioxin - like pollutants.

30. Using EDGE as cross-link agent, the cross-linked cellulose porous carrier was prepared, and the carrier's biodegradation process in cellulose enzyme solution and civil waste water was researched.