Results 141 to 150 of about 6,681 (230)

Production and use of metals and oxygen for lunar propulsion [PDF]

Production, power, and propulsion technologies for using oxygen and metals derived from lunar resources are discussed. The production process is described, and several of the more developed processes are discussed.
Colvin, James E., Groth, Mary F., Hepp, Aloysius F., Landis, Geoffrey A., Linne, Diane L.   +4 more
core   +1 more source

Solar Energy Systems for Lunar Oxygen Generation [PDF]

An evaluation of several solar concentrator-based systems for producing oxygen from lunar regolith was performed. The systems utilize a solar concentrator mirror to provide thermal energy for the oxygen production process.
Colozza, Anthony J., Heller, Richard S., Hepp, Aloysius F., Wong, Wayne A.   +3 more
core   +1 more source

β-Si₃N₄ Microcrystals Prepared by Carbothermal Reduction-Nitridation of Quartz. [PDF]

Materials (Basel), 2019
Zhang M, Chen Z, Huang J, Huang S, Hu Z, Feng Z, Xiong Q, Li X.   +7 more
europepmc   +1 more source

Lunar resource evaluation and mine site selection [PDF]

Two scenarios in this evaluation of lunar mineral resources and the selection of possible mining and processing sites are considered. The first scenario assumes that no new surface or near-surface data will be available before site selection (presumably ...
Bence, A. Edward
core   +1 more source

Preparation of Biomorphic Porous SiC Ceramics from Bamboo by Combining Sol-Gel Impregnation and Carbothermal Reduction. [PDF]

Polymers (Basel), 2019
Hung KC, Wu TL, Xu JW, Wu JH.
europepmc   +1 more source

Planetary Regolith Delivery Systems for ISRU [PDF]

The challenges associated with collecting regolith on a planetary surface and delivering it to an in-situ resource utilization system differ significantly from similar activities conducted on Earth.
Mantovani, James G., Townsend, Ivan I., III   +1 more
core   +1 more source

Preparation of TiCl₄ from Ilmenite Concentrates via Carbothermal Reduction and Boiling Chlorination for Different Carbon Proportions. [PDF]

ACS Omega
Zhu F, Zhang P, Peng W, Zhou A, Wang J, Li J, Qiu K.   +6 more
europepmc   +1 more source

Valorisation of metallurgical residues via carbothermal reduction: A circular economy approach in the cement and iron and steel industry. [PDF]

Waste Manag Res
Krammer AC, Doschek-Held K, Steindl FR, Weisser K, Gatschlhofer C, Juhart J, Wohlmuth D, Sorger C.   +7 more
europepmc   +1 more source

Low-Temperature High-Efficiency Preparation of TiB₂ Micro-Platelets via Boro/Carbothermal Reduction in Microwave Heated Molten Salt. [PDF]

Materials (Basel), 2019
Liu J, Liu J, Zeng Y, Zhang H, Li Z.
europepmc   +1 more source

Process Optimization and Mechanism Study for Sulfur Recovery from High-Silica Phosphogypsum via Carbothermal Reduction Smelting. [PDF]

ACS Omega
Wang Y, Hou C, Qi S, Gu S, Jing H, Wu J, Guan H, Zhang H.   +7 more
europepmc   +1 more source