نتایج جستجو برای: long duration

تعداد نتایج: 947662  

Journal: :Angewandte Chemie 2010
Choongik Kim Samuel W Thomas George M Whitesides

This paper describes a new system for non-electronic communication that can transmit alphanumeric information encoded as pulses of light, over intervals of hours. The objective of this research was to design “infofuses” that improved the previously described systems in three ways: 1) they could transmit information for hours instead of seconds, 2) they could transmit long messages, and 3) they ...

2017
Jacques-Olivier Fortrat Ana de Holanda Kathryn Zuj Guillemette Gauquelin-Koch Claude Gharib

Aims: Venous adaptation to microgravity, associated with cardiovascular deconditioning, may contribute to orthostatic intolerance following spaceflight. The aim of this study was to analyze the main parameters of venous hemodynamics with long-duration spaceflight. Methods: Venous plethysmography was performed on 24 cosmonauts before, during, and after spaceflights aboard the International Space...

Journal: :British heart journal 1970
A D Charters W de C Baker

Journal: :Monthly Notices of the Royal Astronomical Society 2004

Journal: :Journal of Geophysical Research: Space Physics 2014

Journal: :Technium Social Sciences Journal 2021

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