I 28.23:8298
|
Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo. / |
1 |
I 28.23:8299
|
Wood precharring : a novel fire-retardancy technique / |
1 |
I 28.23:8300
|
A flexible helical rock bolt / |
1 |
I 28.23:8300 r
|
A flexible helical rock bolt / |
1 |
I 28.23:8300r-8325
|
Radon daughter mixture distributions in uranium mine atmospheres / |
1 |
I 28.23:8301
|
Electrochemical determination of the Gibbs energy of formation of sphalerite (ZnS) / |
1 |
I 28.23:8302
|
Electromagnetic technique for locating boreholes / |
1 |
I 28.23:8303
|
Direct substitution of sulfur for asphalt in paving materials / |
1 |
I 28.23:8304
|
Bureau of Mines research on trailing-cable-fault locators / |
1 |
I 28.23:8305
|
Low-temperature heat capacities and high-temperature enthalpies of cuprous and cupric sulfides / |
1 |
I 28.23:8306
|
Extracting uranium from ow-grade ore from the Coso Mountains, Calif. / |
1 |
I 28.23:8307
|
Chemical flame inhibition using molecular beam mass spectrometry : reaction rates and mechanisms in a methane flame inhibited with 1.1 CF₃Br / |
1 |
I 28.23:8308
|
Linear polarization measurements at high temperatures in hypersaline geothermal brines / |
1 |
I 28.23:8309
|
Improved methods for monitoring production from vertical degasification wells / |
1 |
I 28.23:8310
|
Jet fan effectiveness as measured with SF₆ tracer gas / |
1 |
I 28.23:8311
|
Effect of duct fire on the ventilation air velocity / |
1 |
I 28.23:8312
|
Selenium removal from acidic waste water using zinc reduction and lime neutralization / |
1 |
I 28.23:8313
|
Fatigue-resistant lead sheet and lead-laminate noise barriers / |
1 |
I 28.23:8314
|
Progress, in stabilizing acidic copper tailings at Holden Village, Wash. / |
1 |
I 28.23:8315
|
Tungsten recovery from Searles Lake brines / |
1 |