Vol. 30 No. 2 2013
Editors ： M. OHNISHI, S. ADACHI

Preface
My Walking with Microgravity Science History in Japan　S.YODA

Special Articles : Ecological Engineering

（Original Article）Performance of Light Sources for Plants under Altered Gravity Conditions in ParabolicAirplane Flights　H. HIRAI, Y. KITAYA and T. HIRAI

（Original Article）Development of the Sabatier Reaction Catalyst for Practical Space Systems　A. SHIMA, M. SAKURAI, Y. SONE, M. OHNISHI, A. YONEDA and T. ABE

（Original Article）Optimization of Configuration of CO2 Adsorption/Desorption Bed for Improvement of CO2Recovery Efficiency on ISS　A. YOKOHAMA, S. SUZUKI, M. SAKURAI, A. SHIMA and M. OHNISHI

（Review）Status of Study of the CO2/Trace Gas Contaminant Remover for Future Human Space Systems　S. TACHIHARA, N. SATOH, I. AOKI, M. OHNISHI and M. SAKURAI

（Review）Underground Habitation Concept using Cyanobacterial Function on Mars　M. ARAI

（Review）Effect of Production on Fish under the Closed Systems and Microgravity　M. ENDO and T. TAKEUCHI

[Technical Notes]

How to Make an Acceleration Switch for Parabolic Flight Experiments (No. 2)
A lecture for a Beginner to Make a Microcomputer-Controlled, Electronic Device　M. NATSUISAKA

[Miscellaneous]

Memorial to Professor Hans J. Rath　H. NOMURA

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