Piling, timber and steel, protection of in ocean waters.. Plant manufacturers standards__ Plants, hydroelectric power, automatic computer control of 22 53 46 57 35 40 36 39 14 28 42 57 28 49 14 51 34-35 50 50 Q Quarrying and mining rock, coal, etc. 61 Ꭱ Radioisotope gage for measuring in-place densities of submerged sediment 10 Radioisotope gage for measuring water content of snow.. Radioisotopes in sediment transport studies, utilization of Sediment deposits, submerged, radioisotope gage for measuring in-place 1 Sediment measurement and analysis, equipment for--- Sediment transport studies, utilization of radioisotopes in...- Sediments, suspended, use of chemicals to induce rapid settling of Semiautomatic load frequency control.. Site investigations__ Slabs for forms, precast. 12-1 Steel, high strength corrosion resistant for gate wheels, rollers, and tracks. Steel, penstock.- Steel, reinforced, inhibitors of corrosion of Steel, silicon, grain oriented.. Steel, submerged, cathodic protection to reduce painting costs for. Steels, carbon.... Steels, high strength. Stone structures, consolidation of.... Structural design.. Styrofoam.. Supersulphated cement.. Supervisory control and supervision of hydroelectric powerplants from remote locations___. Surveying, electronic_ Systems, radio location. Tainter gate anchorages-- Tapes, Mylar electrical insulating. Teflon for bearing material. T Techniques, tunneling-- Teflon for hydraulic packing- Television, closed-circuit-- Television monitoring surveillance_ Trief cement.. Tunneling techniques. Turbine discharge measurements with radioactive tracers. Turbine mixer... 53 Turbines, gas- |