Results 291 to 300 of about 330,769 (355)
Some of the next articles are maybe not open access.
1996
Rocket immunoelectrophoresis (also referred to as electroimmunoassay) is a simple, quick, and reproducible method for determining the concentration of a specific protein in a protein mixture. The method, originally introduced by Laurell (1) involves a comparison of the sample of unknown concentration with a series of dilutions of a known concentration ...
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Rocket immunoelectrophoresis (also referred to as electroimmunoassay) is a simple, quick, and reproducible method for determining the concentration of a specific protein in a protein mixture. The method, originally introduced by Laurell (1) involves a comparison of the sample of unknown concentration with a series of dilutions of a known concentration ...
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Iodine Frequency Reference on a Sounding Rocket
Physical Review Applied, 2019We build a self-contained optical absolute frequency reference at 1064 nm based on the rovibronic transition R(56)32-0 in molecular iodine and operate this instrument in space on a sounding rocket mission.
K. Döringshoff +15 more
semanticscholar +1 more source
Journal of Propulsion and Power, 1998
Several nozzle concepts that promise a gain in performance over existing conventional nozzles are discussed in this paper. It is shown that signie cant performance gains result from the adaptation of the exhaust e ow to the ambient pressure. Special attention is then given to altitude-adaptive nozzle concepts, which have recently received new interest ...
Hagemann, G. +3 more
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Several nozzle concepts that promise a gain in performance over existing conventional nozzles are discussed in this paper. It is shown that signie cant performance gains result from the adaptation of the exhaust e ow to the ambient pressure. Special attention is then given to altitude-adaptive nozzle concepts, which have recently received new interest ...
Hagemann, G. +3 more
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Review on different materials and their characterization as rocket propellant
, 2020It is time to explore our solar system to deal with various facts that are affected us like environment, life in different plants, various celestial bodies, black hole etc.
S. Pradhan, Vedant Kedia, P. Kour
semanticscholar +1 more source
Inverse heat transfer method applied to capacitively cooled rocket thrust chambers
International Journal of Heat and Mass Transfer, 2019Measurements of the heat loads in experimental lab-scale rocket combustors are essential in order to obtain information about the mixing and energy release of the propellants, the injector/injector interaction as well as the injector/wall interaction ...
N. Perakis, O. Haidn
semanticscholar +1 more source
Journal of Applied Physics, 1956
Some general considerations regarding maximum range missile trajectories are presented. It is shown that under certain simplifying assumptions maximum range is achieved if the thrust attitude angle is held constant during the entire powered flight.
Fried, Burton D., Richardson, John M.
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Some general considerations regarding maximum range missile trajectories are presented. It is shown that under certain simplifying assumptions maximum range is achieved if the thrust attitude angle is held constant during the entire powered flight.
Fried, Burton D., Richardson, John M.
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Survey on key techniques of rocket-based combined-cycle engine in ejector mode
Acta Astronautica, 2019A rocket-based combined-cycle (RBCC) engine synthetically integrates a traditional rocket engine with an airbreathing engine, effectively combining both advantages of high thrust-to-weight ratio and high specific impulse.
Zeyu Dong +4 more
semanticscholar +1 more source
Low cost small-satellite access to space using hybrid rocket propulsion
Acta Astronautica, 2019Increased demand for smallsat launch capabilities drives on the search for low-cost launch vehicles. Hybrid rocket technology has been pushed forward in the recent years and is now ready to meet the demand of this low-cost rocket development.
C. Schmierer +4 more
semanticscholar +1 more source
Acta Astronautica, 2019
This paper deals with an application of the fault detection and diagnosis algorithm based on nonlinear Kalman filter methods for transient state of an open-cycle liquid propellant rocket engine. In order to develop the algorithm, we designed two types of
Jihyoung Cha +3 more
semanticscholar +1 more source
This paper deals with an application of the fault detection and diagnosis algorithm based on nonlinear Kalman filter methods for transient state of an open-cycle liquid propellant rocket engine. In order to develop the algorithm, we designed two types of
Jihyoung Cha +3 more
semanticscholar +1 more source
Nature, 2008
Huntsville, Alabama, the original home of NASA and of military weapons development, makes a move into biology. Paul Smaglik reports from Rocket City.
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Huntsville, Alabama, the original home of NASA and of military weapons development, makes a move into biology. Paul Smaglik reports from Rocket City.
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