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Satisfactory impregnation of glass fiber mats may be obtained with isotactic polypropylene/montmorillonite (MMT) nanocomposites under conditions comparable with industrial conditions. However, it is demonstrated here that the high melt viscosity of the nan ...
Systemic risks and hazards have become increasingly significant features of modern industrial society of which the network industries form a vital element. The idea of systemic risk, however, is much less prominent in the network industries compared to ban ...
Until about the end of WWII, the territorial organization of the economy could be expressed along a very strong center-periphery gradient, with industries and services concentrated in cities while the countryside supplied agricultural products. Since the i ...
The atmospheric methane concentration in ancient times can be reconstructed by analysing air entrapped in bubbles of polar ice sheets. We present results from an ice core from Central Greenland (Eurocore) covering the last 1000 years. We observe variations ...
Satisfactory impregnation of glass fiber mats may be obtained with isotactic polypropylene/montmorillonite (MMT) nanocomposites under conditions comparable with industrial conditions. However, it is demonstrated here that the high melt viscosity of the nan ...
We present a 60-year record of the stable isotopes of atmospheric carbon monoxide (CO) from firn air samples collected under the framework of the North Greenland Eemian Ice Drilling (NEEM) project. CO concentration, δ 13C, and δ 18O of CO were measured by ...
Although nitrations of arom. compds. are of considerable importance, it is still difficult to predict effective rates of nitration in the heterogeneous two-liq.-phase system used in industry. For the nitrations of several arenes such as toluene and benzene ...
