Browse TRAIL Inventories

Flotation of northeast Birmingham, Ala., hematite ores

Hydrogenation of pitch from low-temperature carbonization of coal

Prereduced iron ore pellets :a new blast furnace raw material

Preparation characteristics of coal from Nicholas County, W. Va.

Use of a large-diameter auger in mining pitching anthracite beds

Spectrochemical determination of beryllium in mineral beneficiation products

Hydrogen as a retaining ion for rare-earth separation by ion exchange with EDTA and DCTA

Low-temperature heat capacities and entropies at 298.15⁰ K. of magnesium metavanadate and maganesium pyrovanadate

Laboratory studies of variables in rotary drilling

Biological formation of flammable atmospheres

Use of a large-diameter reactor in synthesizing pipeline gas and gasoline by the hot-gas-recycle process

Quantitative determination of trace metals in crude oils by x-ray spectrography

Differential sulfatization of a Georgia manganiferous iron ore

Flammability in air of solvent mixtures containing methyl ethyl ketone and tetrahydrofuran

Explosion hazards of diethyl ether

Chloridization of certain mineral sulfides

Effects of stress relief and other changes in stress on the physical properties of rock

Thermal decomposition of five salts of praseodymium, neodymium, and samarium

Resources for making expanded aggregate in western Washington and Oregon

Factors influencing the design of hydraulic backfill systems (in two parts).

A method of determining dynamic tensile strength of rock at minimum loading

Flotation of spodumene from pegmatites of Cleveland County, N.C.

Electrowinning molten lanthanum from lanthanum oxide

Mg0-MgF₂-Si0₂ system at two levels of Li₂0 and Na₂0

Titanium-iridium phase diagram

Preparation of columbium and tantalum by metallic reduction of their chlorides

Application of rapid methods for analyzing coal ash and related materials

Recovery of zinc from ammoniacal-ammonium sulfate leach solutions

Underground gasification of coal with oxygen-enriched air

Use of various salts as copper-volatilizing agents in the segregation process

Methods of analyzing oilfield waters :flame-spectrophotometric determination of potassium, lithium, strontium, barium, and manganese

Oxygen analysis of mixed fluoride salts

Metallurgical studies of rhodonite ores, Silverton district, Colorado (in three parts).

Washability characteristics of the lower Hartshorne (Spadra) coalbed near Clarksville, Ark.

Metallurgical studies of rhodonite ores, Silverton district, Colorado (in three parts).

Factors influencing the design of hydraulic backfill systems (in two parts).

Resource investigation and leaching study of manganiferous schists, Kings Mountain district, North and South Carolina

Effects of ultrasonics on electrolytic deposition of manganese and manganese dioxide from sulfate electrolytes

Synthetic mica from low cost raw materials

Lake Superior iron resources :metallurgical evaluation and classification of nonmagnetic taconite drill cores from the west central Mesabi Range

Hydrogenation of coal to gaseous hydrocarbons

Ice calorimeter for the precise measurement of heat content from 0⁰ to 1,500⁰ K.

Pyrolysis of five salts of yttrium, lanthanum and cerium

Problems in substituting titanium for manganese in steel

Low-temperature heat capacities and entropies at 298.15⁰ K. of antimony and indium sulfides

Comparative studies of explosives in salt

Measuring changes in pillar strain during pillar recovery :measuring changes in pillar strain during pillar recovery

Safety characteristics of normal propyl nitrate

Reconnaissance of scandium sources and recovery of scandium from uranium mill solutions

Experiments in extinguishing liquid-fuel flames with high- expansion foams


Published Year

Subject

Author

‹‹ previous 1 2 ... 105 106 107 108 109 110 111 ... 201 202 next ››