Results 1 to 10 of about 330,769 (355)
Agronomy, 2019 Gibberellins (GAs) are growth hormones strongly involved in a wide variety of physiological activities. Currently, gibberellins are commercially used to enhance phenotypic characteristics, earliness, and productivity of many vegetable and ornamental ...
Alessandro Miceli +3 more
doaj +2 more sources
A review of impinging jets during rocket launching
Progress in Aerospace Sciences, 2019 During rocket launching, the engine exhaust impinges on the launch structures, such as the launch platform and the jet deflector, leading to a complex flowfield and generating strong noise.
Tianyixing Han, Chun-Hian Lee
exaly +2 more sources
The Problem of Legal Regulation of Archival Information Resources in the Field of Research on the Development of the Rocket and Space Industry [PDF]
Advanced Space Law, 2022 The article notes that in the maelstrom of military events on the territory of Ukraine, where the Russian Federation fired thousands of ballistic and cruise missiles, killing thousands of Ukrainians, interest in the topic of rocket and space technology ...
Liliya Popova +2 more
doaj +1 more source
Rocket Lab Mission to Venus [PDF]
Aerospace, 2022 Regular, low-cost Decadal-class science missions to planetary destinations will be enabled by high-ΔV small spacecraft, such as the high-energy Photon, and small launch vehicles, such as Electron, to support expanding opportunities for scientists and to ...
R. French +10 more
semanticscholar +1 more source
Unnecessary risks created by uncontrolled rocket reentries [PDF]
Nature Astronomy, 2022 Most space launches result in uncontrolled rocket body reentries, creating casualty risks for people on the ground, at sea and in aeroplanes. These risks have long been treated as negligible, but the number of rocket bodies abandoned in orbit is growing,
M. Byers +3 more
semanticscholar +1 more source
Experimental validation of rotating detonation for rocket propulsion
Scientific Reports, 2023 Space travel requires high-powered, efficient rocket propulsion systems for controllable launch vehicles and safe planetary entry. Interplanetary travel will rely on energy-dense propellants to produce thrust via combustion as the heat generation process
J. Bennewitz +14 more
semanticscholar +1 more source
Earth's Future, 2022 Detailed examination of the impact of modern space launches on the Earth's atmosphere is crucial, given booming investment in the space industry and an anticipated space tourism era.
R. G. Ryan +3 more
semanticscholar +1 more source
Copper and Zinc Accumulation in Young Leaves of Eruca sativa (L.) Grown in Soilless Culture
Horticulturae, 2023 Heavy metals are environmental pollutants that cause toxicity in plants and represent a risk for human health, linked to bioaccumulation through the food chain. However, excess accumulation may not occur in young plants in the early stages of exposure to
Antonios Chrysargyris +4 more
doaj +1 more source
Effect of Metal Nanopowders on the Performance of Solid Rocket Propellants: A Review
Nanomaterials, 2021 The effects of different types of nano-sized metal particles, such as aluminum (nAl), zirconium (nZr), titanium (nTi), and nickel (nNi), on the properties of a variety of solid rocket propellants (composite, fuel-rich, and composite modified double base (
W. Pang +7 more
semanticscholar +1 more source
Sensors, 2022 The article presents the analysis of the impact point dispersion reduction using lateral correction thrusters. Two types of control algorithms are used and four sources of uncertainties are taken into account: aerodynamic parameters, thrust curve ...
Mariusz Jacewicz +3 more
doaj +1 more source