Results 91 to 100 of about 19,345 (302)
The effect of chilled air on burr formation when drilling aluminium alloy in manufacturing industry
, 2021 Burr formation is a major challenge during drilling which could cause poor assembly and may lead to part rejection. One of the factors which could result in an increment of burr height and deteriorating the hole quality is poor selection of cutting ...
Meera Mydin, Nur Munirah +4 more
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Advanced Healthcare Materials, EarlyView.We develop a covalent organic framework‐loaded Traditional Chinese Medicine monomer nanodrug delivery system (ISL@bCOF) via boron‐oxygen bonds, a smart response to glucose for delivering AI‐driven isoliquiritigenin (ISL) targeting ZBP1. This dynamic release mechanism, combined with transdermal delivery technology via potent microneedles, can modulate ...
Menghan Zhou +9 more
wiley +1 more source
Use of Drilling Muds for Remediation
MATEC Web of Conferences, 2018 Drilling wells is an ecologically dangerous type of work accompanied by contamination of soil, subsurface and surface waters, pollution of open air with drilling and technological wastes. Throughout the drilling process, drilling waste is generated, such
Galitskova Yulia
doaj +1 more source
Advanced Materials, EarlyView.Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje +7 more
wiley +1 more source
Firn permeability impacts on pressure loss associated with rapid air movement drilling
, 2016 The polar ice sheets of Greenland and Antarctica are sensitive indicators of weather and climate, and also serve as natural archives of past climate; evidence from within and below the ice is important for scientific investigations.
M.R. Albert +3 more
core +1 more source
Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives
Advanced Materials, EarlyView.Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi +4 more
wiley +1 more source
, 2020 The practice of drilling has proven that the use of compressed air as a cleaning agent provides a significant increase in ROP (mechanical drilling speed) and reduces the time spent on eliminating geological complications, which sharply increases the ...
Djuraev, R.U. +2 more
core
Development and Application of ZLZY310 High Temperature Drilling Fluid Cooling System
Shiyou jixie, 2022 To solve the problem of inaccuracy of MWD instruments caused by downhole high-temperature environment,ZLZY310 high-temperature drilling fluid cooling system was developed.Based on the heat exchange theory,the influence of the drilling fluid entry ...
李胜忠 +5 more
doaj
Investigation of RC-DTH air hammer performance using CFD approach with dynamic mesh method
Journal of Advanced Research, 2019 Reverse circulation down-the-hole (RC-DTH) air hammers have been widely used in construction and mining activities owing to their high drilling efficiency and good dust control performance.
Xinxin Zhang +4 more
doaj +1 more source
Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source