Results 91 to 100 of about 98,594 (308)

Flexible variable-specific-impulse electric propulsion systems for planetary missions

, 2006
Variable-specific-impulse electric propulsion systems can provide important advantages and cost reductions to any scale of planetary mission. The first part of this paper describes their potential benefits, with special emphasis on mission analysis ...
CHESTA E., WALLACE N., Dumazert, P., ESTUBLIER D., Saccoccia, G., FALLIS B., DUMAZERT P., NICOLINI D., Wallace, N., MARCUCCIO S., Estublier, D., Kutufa, N., Fallis, B., Marcuccio, S., Gonzalez Del Amo, J., Nicolini, D., NOCI G., BOUCHOULE A., PRIOUL N., BIAGIONI L., GENGEMBRE E., BOEUF J. P., SACCOCCIA G., Boeuf, J.P., Biagioni, L., Casalino, Lorenzo, Noci, G., Prioul, N., KUTUFA N., Chesta, E., GONZALEZ DEL AMO J., Gengembre, E., Bouchoule, A.   +32 more
core   +2 more sources

A Review on Liquid Pulsed Laser Propulsion

Aerospace
Laser propulsion is a new conceptual technology that drives spacecraft and possesses advantages such as high specific impulse, large payload ratio, and low launch cost.
Sai Li, Baosheng Du, Qianqian Cui, Jifei Ye, Haichao Cui, Heyan Gao, Ying Wang, Yongzan Zheng, Jianhui Han   +8 more
doaj   +1 more source

Interaction of Intraprocedural Antiplatelets and Intravenous Thrombolysis in Acute Intracranial Stenting: RESISTANT Registry Subanalysis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction/Objective Acute intracranial stenting during endovascular thrombectomy (EVT) for ischemic stroke requires intraprocedural antiplatelet therapy (APT) to maintain patency. However, the hemorrhagic risk of combining APT with intravenous thrombolysis (IVT) remains uncertain.
Aaron Rodriguez‐Calienes, Leonardo Cruz‐Criollo, Eric Kontowicz, Marta Olivé‐Gadea, Francesco Diana, Johannes Kaesmacher, Adnan Mujanovic, Serdar Geyik, Songul Senadim, Amedeo Cervo, Andrea Salcuni, Mariangela Piano, Manuel Moreu, Alfonso López‐Frías, Ameer E. Hassan, Samantha Miller, Elena Zapata‐Arriaza, Asier de Albóniga‐Chindurza, Mauro Bergui, Stefano Molinaro, João André Sousa, Fábio Gomes, João Sargento‐Freitas, Andrea Alexandre, Alessandro Pedicelli, Jeremy Hofmeister, Paolo Machi, Luca Scarcia, Erwah Kalsoum, Jose Amorim, Torcato Meira, Leonardo Renieri, Francesco Capasso, Daniele Romano, Eduardo Bárcena‐Ruiz, David Seoane, Mohamad Abdalkader, Piers Klein, Thanh N. Nguyen, Catarina Perry da Câmara, Anderson Brito, Nashwa Abdelhakim, Isabel Fragata, Dileep R. Yavagal, Jude H. Charles, Jose Rodriguez Castro, Pedro Vega, Atilla Özcan Özdemir, Zehra Uysal Kocabaş, Stanislas Smajda, Sadiq Al Salman, Jane Khalife, Tudor G. Jovin, Francesco Biraschi, Francesca Richetti, Pedro Castro, Luis Albuquerque, Adnan Siddiqui, Vinay Jaikumar, Pedro Navia, Nikolaos Ntoulias, Marios Psychogios, Mariano Velo, Joaquín Zamarro, Gonzalo de Paco, Yazan Ashouri, Mohammad AlMajali, Juan F. Arenillas, Alicia Sierra, Michele Romoli, João Pedro Marto, Shadi Yaghi, Marc Ribo, Alejandro Tomasello, Manuel Requena, Santiago Ortega‐Gutierrez   +75 more
wiley   +1 more source

Project NEO Specific Impulse Testing Solutions

, 2018
The Neo test stand is currently configured to fire a horizontally mounted rocket motor with up to 6500 lbf thrust. Currently, the Neo test stand can measure flow of liquid propellant and oxidizer, pressures residing in the closed system up to the ...
Baffa, Bill
core   +1 more source

Mission maps for use in the choice of specific impulse for manned Mars missions [PDF]

, 1991
The choice of engine concept for the initial manned missions to Mars should be driven by what can be feasibly built and flight qualified in the near term, and by the level of engine performance that is required for these missions.
Olson, T. S., Neuman, J. E., Madsen, W. W., Siahpush, A. S.   +3 more
core  

Energy Conversion Prediction Model of Expansion Tube under Near-Field Blast Loading

Gaoya wuli xuebao
The explosion near-field is the core zone of munition-induced damage, involving the coupled load effect of intense shock waves and detonation products. Currently, the mechanical response and energy conversion mechanisms of expansion tube structures (ETS)
Zizhen QI, Minghao LI, Yuyan ZHANG, Minzu LIANG, Yuwu ZHANG, Yuliang LIN   +5 more
doaj   +1 more source

High Health Care Utilization Preceding Diagnosis With Juvenile Idiopathic Arthritis

Arthritis Care &Research, EarlyView.
Objective Although early diagnosis improves long‐term outcomes, patients with juvenile idiopathic arthritis (JIA) often experience prolonged, circuitous paths to diagnosis. To inform diagnostic improvement, we sought to characterize health care utilization in the year preceding diagnosis. Methods We identified 10,021 patients with an incident diagnosis
Anna Costello, Rui Xiao, Xuemei Zhang, Jahan Jazayeri, Irit R. Rasooly, Pamela F. Weiss   +5 more
wiley   +1 more source

Technology considerations for main engine specific impulse

, 1970
Combustion, cooling, nozzle design, and specific impulse prediction for space shuttle main ...
Kors, D. L.
core   +1 more source

Building a Framework for Sexual and Reproductive Health Care in the Rheumatology Context: Content and Approaches

Arthritis Care &Research, EarlyView.
People with systemic autoimmune and rheumatic diseases (SARDs) are at higher risk than the general population of experiencing adverse pregnancy and perinatal outcomes such as preeclampsia, intrauterine growth restriction, and maternal and/or fetal death.
Mehret Birru Talabi, Sonya Borrero
wiley   +1 more source

Apollo spacecraft engine specific impulse, part 2

, 1968
Specific impulse of LM ascent and descent engines and SM ...
Cuffe, J. P. B.
core   +1 more source