نتایج جستجو برای: hazmat transportation
تعداد نتایج: 57493 فیلتر نتایج به سال:
The ultraviolet (UV) emission from the most numerous stars in universe, M dwarfs, impacts formation, chemistry, atmospheric stability, and surface habitability of their planets. We have analyzed spectral evolution UV M0–M2.5 (0.3–0.6 M?) as a function age, rotation, Rossby number using Hubble Space Telescope observations Tucana-Horologium (40 Myr), Hyades (650 field (2–9 Gyr) objects. quiescent...
A different intermodal transportation model based on cost analysis considering technical, economical, and operational parameters is presented. The model consists of such intermodal modes as sea-road, sea-railway, road-railway, and multimode of sea-road-railway. A case study of cargo transportation has been carried out by using the suggested model. Then, the single road transportation mode has b...
چکیده ندارد.
The ceaselessly increasing number of trips on urban highways and major arterial roads have caused serious congestion and air pollution problems. Thus many transportation agencies have persevered in their efforts not only to alleviate such problems, but also to minimize social costs. However, the complex nature of such problems has strongly hindered transportation agencies’ ability to consider a...
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