Gas Composition Support Aids for Space Vehicle Compartments Based on CO2 Hydrogenation, H2O Electrolysis, CO2 Removal and Concentration

1995 ◽  
Author(s):  
Evgeny N. Zaitsev ◽  
Arkady S. Guzenberg ◽  
Alexander M. Riabkin ◽  
Tamara K. Shirokova
Keyword(s):  
Space Vehicle ◽  
Co2 Hydrogenation ◽  
Co2 Removal ◽  
Gas Composition

Studying the removal of CO2 on stratified ZnO prepared by hydro

2021 ◽  
Vol 10 (4) ◽  
pp. 69-74
Author(s):  
Minh Pham Quang ◽  
Chang-Ha Lee ◽  
Tuan Vu Anh
Keyword(s):  
Physicochemical Properties ◽  
Hydrothermal Method ◽  
Surface Area ◽  
Pore Volume ◽  
Desorption Isotherm ◽  
Co2 Removal ◽  
Gas Composition ◽  
Thermogravimetric Method ◽  
Removal Experiments ◽  
Adsorption Desorption

In this study, ZnO was synthesized by the simple hydrothermal method. The physicochemical properties of the materials were characterized by SEM, XRD, N adsorption/desorption isotherm methods. The CO2 removal experiments were conducted using the thermogravimetric method (TGA). The material has a stratified structure, with a surface area of 24.4 m2/g and a pore volume of 0.280 cm3/g. The influences of temperature, ZnO morphology, and feed gas composition were studied. Besides, the durability and applicability of the material were evaluated through repeated regeneration.

ESEM - A multipurpose surface Electron Microscope

1986 ◽  
Vol 44 ◽  
pp. 632-633 ◽  
Author(s):  
G.D. Danilatos
Keyword(s):  
Electron Microscope ◽  
Room Temperature ◽  
Environmental Scanning ◽  
Gas Composition ◽  
Saturated Water Vapor ◽  
Surface Electron ◽  
Current State ◽  
Saturated Water ◽  
New Type ◽  
Temperature And Pressure

Over recent years a new type of electron microscope - the environmental scanning electron microscope (ESEM) - has been developed for the examination of specimen surfaces in the presence of gases. A detailed series of reports on the system has appeared elsewhere. A review summary of the current state and potential of the system is presented here.The gas composition, temperature and pressure can be varied in the specimen chamber of the ESEM. With air, the pressure can be up to one atmosphere (about 1000 mbar). Environments with fully saturated water vapor only at room temperature (20-30 mbar) can be easily maintained whilst liquid water or other solutions, together with uncoated specimens, can be imaged routinely during various applications.

Effect of Shield Gas Composition on Cold Cracking Susceptibility of YS 600 MPa Flux Cored Arc Weld Metal

2015 ◽  
Vol 53 (7) ◽  
pp. 480-487 ◽  
Author(s):  
Namhyun Kang ◽  
Guo Xian ◽  
Myungjin Lee ◽  
Junghoon Lee
Keyword(s):  
Weld Metal ◽  
Cold Cracking ◽  
Gas Composition

Mathematical model of the motion of a space vehicle with a manipulator

1997 ◽  
Vol 3 (5-6) ◽  
pp. 34-42
Author(s):  
N.S. Ashchepkova ◽  
◽  
Yu.D. Sheptun ◽  
Keyword(s):  
Mathematical Model ◽  
Space Vehicle

Space vehicle glow measurements on STS 41-D

1985 ◽  
Author(s):  
S. MENDE ◽  
G. SWENSON ◽  
K. CLIFTON ◽  
R. GAUSE ◽  
L. LEGER ◽  
...  
Keyword(s):  
Space Vehicle
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