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pro vyhledávání: '"Matthew Macias"'
Autor:
Peter V. Bui, William Schaeffer, Nicholas W.C. Herrman, Victoria Hoch, Nathan L. Haas, Matthew Macias, Christopher Wallace
Publikováno v:
The Journal of emergency medicine. 56(4)
Background Brugada pattern on electrocardiography (ECG) can manifest as type 1 (coved pattern) and type 2 (saddleback pattern). Brugada syndrome represents an ECG with Brugada pattern in a patient with symptoms or clinical factors, including syncope,
Publikováno v:
Systems Contamination: Prediction, Control, and Performance 2016.
The current method for the prediction of molecular contamination build up in systems such as the James Webb Space Telescope and other large astronomical satellites is based on a monotonic linear model of accumulation. Recent long term observations ca
Autor:
Michael Woronowicz, Eve M. Wooldridge, Matthew Macias, Radford Perry, Joanne Egges, Kelly Henderson-Nelson, Jon Arenberg, Kevin J. Novo-Gradac
Publikováno v:
SPIE Proceedings.
The derivation of contamination control (CC) requirements for the JWST Optical Telescope Element (OTE) was presented at the SPIE conference in 20081. Since then, much work has been done to allocate contamination at each phase of Integration and Test
Autor:
Eve M. Wooldridge, Olivier Schmeitzky, R. Daniel McGregor, Jignasha Patel, Kelly Henderson-Nelson, Peter Jensen, Jacques Breton, Peter Rumler, Greg Farmer, Matthew Macias, Andrea N. Schweiss, Michael Woronowicz, Beatriz Romero
Publikováno v:
SPIE Proceedings.
This paper will continue from Part 1 of JWST contamination control implementation. In addition to optics, instruments, and thermal vacuum testing, JWST also requires contamination control for a spacecraft that must be vented carefully in order to mai
Autor:
Kimberly I. Mehalick, Joshua Adamson, Matthew Macias, George Harpole, Jonathan W. Arenberg, Malcolm B. Niedner, Charles W. Bowers, Paul A. Lightsey
Publikováno v:
SPIE Proceedings.
The James Webb Telescope (JWST) is a large cryo-optical system. Many critical thermal control or optical surfaces are exposed to ground and flight environments and are expected to be contaminated to some level. In order to calculate key system perfor