Results 61 to 70 of about 6,480 (152)
The spontaneous speaking vocabulary of children in kindergarten and third grade [PDF]
, 1960 Thesis (Ed.M.)--Boston ...
DuVaul, Ganelle B. +2 more
core +1 more source
Natural stone sludge as secondary raw materials: towards a new sustainable recovery process [PDF]
L'abstract è presente nell'allegato / the abstract is in the ...
Zichella, Lorena
core
Small business innovation research. Abstracts of completed 1987 phase 1 projects [PDF]
Non-proprietary summaries of Phase 1 Small Business Innovation Research (SBIR) projects supported by NASA in the 1987 program year are given. Work in the areas of aeronautical propulsion, aerodynamics, acoustics, aircraft systems, materials and ...
core +1 more source
Nonterrestrial utilization of materials: Automated space manufacturing facility [PDF]
, 1982 Four areas related to the nonterrestrial use of materials are included: (1) material resources needed for feedstock in an orbital manufacturing facility, (2) required initial components of a nonterrestrial manufacturing facility, (3) growth and ...
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A Critical Reanalysis of Uncontrollable Washboarding Phenomenon in Metal Band Sawing. [PDF]
Materials (Basel), 2020 Orlowski KA +4 more
europepmc +1 more source
Bread board float zone experiment system for high purity silicon [PDF]
A breadboard float zone experimental system has been established at Westech Systems for use by NASA in the float zone experimental area. A used zoner of suitable size and flexibility was acquired and installed with the necessary utilities.
Gill, G. L., Jr., Kern, E. L.
core +1 more source
A new scientific approach to determine the stone workability [PDF]
, 2018 The prediction of stone ‐ diamond wire interaction is important for the extractive sector, both to improve the productivity and efficiency of quarry work and to avoid dangerous and expensive endeavours of cutting when an unknown stone ...
Fiorenza Baudana +3 more
core
The speaking vocabulary of grade two [PDF]
, 1955 Thesis (M.A.)--Boston ...
Derby, Anne +15 more
core +1 more source
, 1960 From the earliest pioneer days stone has been a useful building material within the state of Kansas. Reported value of dimension stone, mainly limestone, produced annually now amounts to several hundred thousand dollars.
Risser, Hubert E.
core +3 more sources