l H n.m.r. and i.r. spectroscopy of aromatic and polar fractions of two tars from the rapid pyrolysis of coal in a fluidized bed at 550°C show that the nature of the products depends on the reactivity of the pyrolysis gas. In the presence of flue gas, there is more thermolysis leading to shorter and
✦ LIBER ✦
Analysis of the errors of ac voltage working standards RÉN-2 and RÉN-2M
✍ Scribed by V. M. Baikov
- Publisher
- Springer US
- Year
- 1987
- Tongue
- English
- Weight
- 371 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0543-1972
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