Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Marie C. Johnson"'
Autor:
Andrew Ross Pfluger, Marie C. Johnson
Publikováno v:
Open Environmental Sciences. 7:7-13
We explored repurposing discarded materials to construct simple, field expedient, solar heating devices capable of heating drinking water to water pasteurization temperatures. Results of different test configurations quickly constructed from junk mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2521fd3930f01dde5054ebd20230255a
https://doi.org/10.2174/1876325101307010007
https://doi.org/10.2174/1876325101307010007
Autor:
Michael A. Butkus, Marie C. Johnson
Publikováno v:
Soil and Sediment Contamination: An International Journal. 20:172-187
Phosphate has become an accepted remediation strategy to immobilize lead on firing ranges. In some cases, however, phosphate treatment has been reported to increase lead concentrations in field water leaching tests. The present study evaluated the in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5797832ede653e9d1634dec9db7e71d5
https://doi.org/10.1080/15320383.2011.546444
https://doi.org/10.1080/15320383.2011.546444
Publikováno v:
American Journal of Science. 307:590-611
The melting point of galena was measured by differential thermal analysis to 25 kbar. The melting point is 1191 °C at 5.9 kbar and increases to ∼1315 °C by 25 kbar along a concave-down trajectory. The form of the PbS melting curve resembles those
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f7c71e073f0959fab3d85609a122876
https://doi.org/10.2475/03.2007.02
https://doi.org/10.2475/03.2007.02
Autor:
Marie C. Johnson
Publikováno v:
Environmental Engineering Science. 22:294-309
Using a plasma arc torch to vitrify soils contaminated with solid and hazardous wastes produces an extremely durable product greatly reduced in volume and surface area. Although vitrification is understood in principle, thermal and geochemical change
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c7b1b0902cd013bed8049316cf5daa5
https://doi.org/10.1089/ees.2005.22.294
https://doi.org/10.1089/ees.2005.22.294
Publikováno v:
Geochemistry, Geophysics, Geosystems. 3:1-26
[1] New measurements of the high-pressure volume of oxygen make plausible old, controversial diamond anvil cell (DAC) observations of a high-pressure reaction between liquid Fe and Fe-bearing silicate in which FeO dissolved into liquid Fe. If the Ear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4053069378a6a73c945ca090f5dfb244
https://doi.org/10.1029/2001gc000225
https://doi.org/10.1029/2001gc000225
Autor:
Peter L. Guth, Marie C. Johnson
Publikováno v:
Journal of Geoscience Education. 50:241-246
Undergraduate science majors need practice in critical thinking, quantitative analysis, and judging whether their calculated answers are physically reasonable. We have developed exercises using handheld GPS receivers that expose students to this rece
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f65eef7477f25fd73f763cbab5eb88c
https://doi.org/10.5408/1089-9995-50.3.241
https://doi.org/10.5408/1089-9995-50.3.241
Publikováno v:
American Mineralogist. 86:1367-1379
KClO 3 thermal decomposition has been studied from 29–76 kilobars using a multianvil high-pressure device and in-situ energy-dispersive X-ray diffraction and off-line quenching experiments. The rhombohedral form of KClO 3 was found to decompose to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17a0ca1e91e0ae6ecaa00b39802f23ec
https://doi.org/10.2138/am-2001-11-1205
https://doi.org/10.2138/am-2001-11-1205
Autor:
Peter L. Guth, Marie C. Johnson
Publikováno v:
Journal of Geoscience Education. 45:349-353
A computer program we have developed simulates three-dimensional geology and permits beginning geology students to learn the thought processes used by geologists to develop regional histories. Designed to be a term project, the exercise shows student
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::608186989d9307e73cfcca023f03d2a3
https://doi.org/10.5408/1089-9995-45.4.349
https://doi.org/10.5408/1089-9995-45.4.349
Publikováno v:
Contributions to Mineralogy and Petrology. 123:92-108
Models for estimating the pressure and tem- perature of igneous rocks from co-existing clino- pyroxene and liquid compositions are calibrated from existing data and from new data obtained from experi- ments performed on several mafic bulk composition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08550ba611e805a9faee134f289c2680
https://doi.org/10.1007/s004100050145
https://doi.org/10.1007/s004100050145
Autor:
Marie C. Johnson
Publikováno v:
Environmental Practice. 4:14-16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d709d832c390ed0143a187dab8a824
https://doi.org/10.1017/s1466046602220153
https://doi.org/10.1017/s1466046602220153