نتایج جستجو برای: laboratory observations

تعداد نتایج: 551248  

2004
JEROME CASAS SUSAN SWARBRICK WILLIAM W. MURDOCH

1. Most of what is known about parasitoid behaviour comes from laboratory observations: field quantitative observations on searching parasitoids are extremely difficult to do and are rare. The basic components of Aphytis melinus’s response to California red scale (Aonidiella aurantii) were studied in the laboratory: encounter, rejection, drumming, probing, oviposition, and hostfeeding. It was t...

Journal: :SIAM J. Applied Dynamical Systems 2006
Frederic Gabern Wang Sang Koon Jerrold E. Marsden Daniel J. Scheeres

We study spacecraft motion near a binary asteroid by means of theoretical and computational tools from geometric mechanics and dynamical systems. We model the system assuming that one of the asteroids is a rigid body (ellipsoid) and the other a sphere. In particular, we are interested in finding periodic and quasi-periodic orbits for the spacecraft near the asteroid pair that are suitable for o...

2013
Andrea Gregori

We investigate the spectrum of elementary particles and fields arising from the superposition of string configurations weighted according to their entropy in the string phase space. We find that this superposition describes a universe with a physical content phenomenologically compatible with the experimental observations and measurements. Masses and couplings are determined as functions of the...

2007
Zygmunt Kowalik Phyllis Stabeno

Observations in the region of the Pribilof Islands and Canyon (PIC) reveal a clockwise circulation around the group of islands and around each of the two largest islands, St. Paul and St. George. Six current meters deployed around St. Paul Island revealed a steady clockwise flow around the island, which was strongest south of the island and weakest to the east. We use a high-resolution tidal mo...

2014
Amelie Gyrard Christian Bonnet Karima Boudaoud

Domain-specific Internet of Things (IoT) applications are becoming more and more popular. They process data coming from sensor measurements. Adding semantic annotations to the sensory observations and measurements can allow to reason on data via logical rules. Stemming from Linked Open Data and Linked Open Vocabularies, we have designed sensor-based Linked Open Rules (S-LOR). S-LOR allows explo...

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