Results 181 to 190 of about 922,436 (391)
Description of the Electric Rock-Drilling Machinery at the Carlin How Ironstone Mines in Cleveland [PDF]
, 1893 A L STEAVENSON, Lowthian Bell
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Wood wasp inspired space and earth drill [PDF]
, 2010 In this chapter, we explain why the low gravity encountered on Mars or on the Moon and the low mass of the probes, landers and rovers that carry drilling devices limit classical drilling techniques.
Coste, Pierre +3 more
core
Advanced Functional Materials, EarlyView.This study demonstrates the stability and Raman signal enhancement effects of Au@h‐BN nanoparticles in an alkaline electrolyte on. A comparison between conventional SiO2 and h‐BN shells reveals that the h‐BN core‐shell structure provides superior stability and enhanced Raman intensity over multiple cyclic voltammetry cycles.
Jee Hyeon Kim +5 more
wiley +1 more source
ELECTRIC MINING-MACHINERY, WITH SPECIAL REFERENCE TO THE APPLICATION OF ELECTRICITY TO COAL-CUTTING, PUMPING, AND ROCK-DRILLING. (INCLUDES PLATES AND APPENDIX). [PDF]
, 1891 L.B. Atkinson, C W ATKINSON
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Portable tool cleans pipes and tubing [PDF]
, 1965 Portable tool cleans and polishes the external surfaces of tubes and pipes without contaminating the interior areas with loose particles. The tool is driven by an electric drill and is connected to a vacuum source that removes debris resulting from the ...
Headley, C. A. +2 more
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Transforming Cellulose Into Functional Three‐Dimensional Structures
Advanced Functional Materials, EarlyView.Cellulose is promising for replacing synthetic polymers due to its excellent mechanical properties and low cost. This review highlights the recent advancements in transforming cellulose into functional 3D structures, including liquid gels and porous materials.
Xia Sun +5 more
wiley +1 more source
Drilling system design project 1967: final report of frame design committee [PDF]
, 1967 This report outlines the recommendations of the Frame Design Committee for the final design of the machine, each major part of the structure being considered individually in the following sections : 1. Worktables 2. Guide and Slideways 3.
Morrison, W., Sutcliffe, R. S.
core
Advanced Functional Materials, EarlyView.Multifunctional atomic layer deposited coatings and interface treatments enhance direct solar water splitting on GaAs/GaInP tandem cells. Optimized TiO2/Pt nanoparticle bilayers ensure durability and catalytic efficiency with minimal optical losses, while H2 plasma pretreatments maximize photovoltage and interfacial charge extraction.
Tim F. Rieth +8 more
wiley +1 more source
Dissipation of the temperature effect of drilling a well in Arctic Alaska
, 1958 Arthur H. Lachenbruch
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