Results 21 to 30 of about 7,982,919 (309)
US legal developments in outer space mining
In December 2020 NASA (National Aeronautics and Space Administration) announced a contract with a private company to deliver Moon material to Earth, the first and only contract of this type to be concluded to date.
Bartłomiej Gerałt
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Adapting Institutional-Legal Mechanisms of the Space Industry Management to the Challenges of the New Space Era [PDF]
The article is devoted to the analysis of the institutional-legal mechanisms of managing the strategically important space industry in Ukraine. Scientific-theoretical research methods: abstraction, idealization, construction of hypotheses and models ...
Yevgen Rokytsky
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Simulating the Responses of the Magnetosphere–Ionosphere System to the IMF By Reversal
The interplanetary magnetic field (IMF) By component can cause asymmetric features in the magnetosphere-ionosphere system and influence the electromagnetic energy input.
Fan Gong+5 more
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Upswing in Industrial Activity and Infant Mortality during Late 19th Century US [PDF]
This paper aims to assess the effects of industrial pollution on infant mortality between the years 1850-1940 using full count decennial censuses. In this period, US economy experienced a tremendous rise in industrial activity with significant variation among different counties in absorbing manufacturing industries.
arxiv +1 more source
The plasma transport process is important for the ionosphere of Mars, which controls the structure of the ionosphere above an altitude of 200 km. Plasma transport from the dayside ionosphere is crucial for producing the nightside ionosphere on Mars.
Guokan Li+8 more
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space activities, space debris, outer space, Inter-Agency Space Debris Coordination Committee, legal status, legal liability [PDF]
The article has covered a legal essence of a plan as a legal tool for developing space industries in the USA and Ukraine. The article has concluded that the plan is an objective occurrence because none of the successful space projects was implemented ...
Valentyn Halunko+2 more
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Additive Manufacturing (AM) provides several benefits for aerospace companies in terms of efficient and innovative product development. However, due to the general lack of AM process understanding, engineers face many uncertainties related to product ...
Christo Dordlofva
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The contribution of Kharkiv enterprises to the rocket and space industry development
The article reviews the contribution of Ukrainian enterprises to the development of the rocket and space industry. The most important part of a space or combat ballistic missile is the control system (CS), on which the success of its application depends.
A. Larin+4 more
semanticscholar +1 more source
Space Doctrine and the Future of the Space Industry
The article analyses the modern and retrospective international and national regulations in the field of space activities. It is emphasized that the long-term program of space research proves the maturity and competence that we have yet to demonstrate ...
L. Soroka
semanticscholar +1 more source
Abstract Positron emission tomography with x‐ray computed tomography (PET/CT) is increasingly being utilized for radiation treatment planning (RTP). Accurate delivery of RT therefore depends on quality PET/CT data. This study covers quality control (QC) procedures required for PET/CT for diagnostic imaging and incremental QC required for RTP.
Ran Klein+7 more
wiley +1 more source