Sentence examples for bitumen evolution from inspiring English sources

Open image in new window Fig. 2 Generation and expulsion history of Es3 hydrocarbon source rocks and bitumen evolution history in the Dongpu Depression.

Another by-product was bitumen.

In the 1760s Reynolds began to use more extensively bitumen or coal substances added to pigments.

Aging influences bitumen morphology significantly.

Bitumen "A" was extracted by Soxhlet extraction and rotary evaporation.

The findings were then applied to bitumen upgrading through sonication.

We applied a similar time trend for bitumen condensate as for inhalation exposure to bitumen fume.

Bitumen use increased further when the bitumen-sealed plank canoe ("tomol") was developed around 2,000 years ago (Gamble 2002).

Because of the correlation observed between coal tar and bitumen exposures, the ORs for exposure to bitumen fume and bitumen condensate were also adjusted for having ever been exposed to coal tar.

The OR was 1.12 [95% confidence interval (CI), 0.84 1.49] for inhalation exposure to bitumen fume and 1.17 (95% CI, 0.88 1.56) for dermal exposure to bitumen condensate.

The OR for ever-exposure to bitumen condensate was 1.17 (95% CI, 0.88 1.56) (Table 2).