Results 331 to 340 of about 5,119,526 (356)

Optimal button arrangement of a percussion drill bit and its operating condition for improving drilling efficiency

, 2018
Hoon Kang, Jin-young Park, Jung-Woo Cho, Jin-seok Jang, Kun-woo Kim, Jaewook Lee   +5 more
semanticscholar   +1 more source

All-perovskite tandem solar cells with 24.2% certified efficiency and area over 1 cm2 using surface-anchoring zwitterionic antioxidant

Nature Energy, 2020
Ke Xiao, Yi Hou, Hieu T Nguyen
exaly  

Hammer Drilling Improves Drilling Efficiency

2018
openaire   +1 more source

Pore-Pressure Estimation by Use of Mechanical Specific Energy and Drilling Efficiency

, 2017
Reza Majidi, M. Albertin
semanticscholar   +1 more source

Efficient drilling-in in the oil and gas wells drilling

SOCAR Proceedings, 2018
V.V. Shaidakov, A.P. Melnikov, K.V. Chernova, G.E. Korobkov   +3 more
openaire   +1 more source

Increasing Resource Efficiency Through Sonic Drilling

SEG Discovery, 2018
Beate Orberger, Huug Eijkelkamp, Harm Nolte, Mike Buckland, Monique Le Guen   +4 more
openaire   +1 more source

Ligand-assisted cation-exchange engineering for high-efficiency colloidal Cs1−xFAxPbI3 quantum dot solar cells with reduced phase segregation

Nature Energy, 2020
Mengmeng Hao, Yang Bai, Stefan Zeiske
exaly  

Quantitative estimate of rotary–percussion drilling efficiency in rocks

Journal of mining science, 2016
V. Oparin, V. Timonin, V. Karpov
semanticscholar   +1 more source

Polymer-templated nucleation and crystal growth of perovskite films for solar cells with efficiency greater than 21%

Nature Energy, 2016
Dongqin Bi, Chenyi Yi, Jingshan Luo
exaly  

Six-junction III–V solar cells with 47.1% conversion efficiency under 143 Suns concentration

Nature Energy, 2020
John F Geisz, Ryan France
exaly