14379 search results - page 2820 / 2876 » is 2000 |
DM
2006
15 years 18 days ago
2006
A reflexive graph is a simple undirected graph where a loop has been added at each vertex. If G and H are reflexive graphs and U V (H), then a vertex map f : U V (G) is called n...
134
click to vote
DT
2006
15 years 18 days ago
2006
The widely used engineering decisions concerning the performance of technological equipment for process industries are usually deterministic. Since the early 1990s probabilistic m...
103
Voted
BMCBI
2007
15 years 18 days ago
2007
Background: Structure elucidation of unknown small molecules by mass spectrometry is a challenge despite advances in instrumentation. The first crucial step is to obtain correct e...
85
Voted
EOR
2006
15 years 18 days ago
2006
CT In this paper some experimental sequential models for the simulation of trip-chains are presented; the models have been calibrated on the base of a survey made in a medium-sized...
86
Voted
BMCBI
2007
15 years 18 days ago
2007
Background: Comfrey (Symphytum officinale) is a perennial plant and has been consumed by humans as a vegetable, a tea and an herbal medicine for more than 2000 years. It, however,...