نتایج جستجو برای: rocket
تعداد نتایج: 4529 فیلتر نتایج به سال:
On the basis of the neutrino emission from the isotropic 1 S 0 neutron superfluid vortexes in neutron star interiors, we propose a rocket model of neutrino jet for the observed pulsar kick.
The effect of manufacturing quality on rocket impact point dispersion is analyzed. approach presented here applies to any type rocket. Here, demonstrated for the unguided rocket, and by simulating four typical errors: erroneously manufactured warhead, misalignment between warhead engine chamber, asymmetrically installed propellant, error in nozzle manufacturing. A new methodology proposed, whic...
The structurally unique glucosinolate (GSL), 4-(cystein-S-yl)butyl GSL, was identified in the leaves of hydroponically-grown rocket salad (Eruca sativa Mill.). Its electrospray ionization mass spectrometry (ESI-MS)/MS spectrum indicated that this unusual GSL had a molecular weight of 414 as a desulfo (DS)-GSL, and a molecular formula of C(14)H(25)N(2)O(8)S(2) based on its negative ion matrix-as...
T H E A S T R O N A U T ' S journey into space w~ill require a series of adaptations to multiple sequential changes in environmental circumstances. These adaptations will involve an in,ter-relationship of more than one biological stress and more than one organ system. The success of the astronaut's flight into the cosmos may well hinge on his ability to make a series of interdynamic adaptations...
Predicting the flight-path of an unguided rocket can help overcome unnecessary risks. Avoiding residential areas or a car-park can improve the safety of launching a rocket significantly. Furthermore, an accurate landing site prediction facilitates recovery. This paper introduces a six-degrees-of-freedom flight simulator for large unguided model rockets that can fly to altitudes of up to 13 km a...
The aim of the present study was to examine the effect of lemongrass essential oil vapors on the dynamics of surface microbiota and L. monocytogenes growth on rocket and melon under different packaging conditions and storage temperature. For that purpose, rocket and melon were placed on Expanded Polystyrene (EPS) trays, sprayed with L. monocytogenes to a population of 4.5-5.0 log CFU·g(-1), pac...
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