Catalyst-free PDC cutter technology to drive drilling efficienciesFaiza RizviHart's E & P
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In this study, we demonstrated a catalyst-free synthesis of high-density, aligned, and sub-5 nm SiNWs by developing a vapor phase silicon etching process. The SiNWs are oriented along [100] direction, with a significant lattice reduction of 13–20%, which possibly enhanced the nanowires’ ...
利用此系统,我们以无催化剂辅助(catalyst free)ir.ntut.edu.tw|基于1 个网页 例句 释义: 全部,无催化剂辅助 更多例句筛选 1. Super-critical ester exchange is catalyst free, but has more requirements on equipment, and is more energy extensive. 超临界酯交换不需要催化剂,但对设备要求相当高,且能耗较...
RT，Catalyst-free 什么意思
The first catalyst-free post-Ugi cascade methodology was developed for expeditious access to structurally diverse and complex pyrazole-pyrazines in one-pot. This novel cascade reaction features an intramolecular N2-arylation of pyrazoles with allenes at the C-β position of triple bond. Screening in...
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We revealed a catalyst-free, green and rapid one-pot four-component tandem strategy for the preparation of dihydropyrano[2,3-c]pyrazoles – a biologically significant scaffold – via Knoevenagel-Michael cyclocondensation based on green chemistry principles. Highlights of the current practice are the...
In this work, an ultra-strong catalyst-free polycrystalline diamond compact material has been successfully synthesized through innovative ultra-high pressure and ultra-high temperature (UHPHT) technology. These results set up new industry records for wear resistance and thermal stability for PDC cutters...
Noteworthy, the catalyst-free conversion of CO2 can be accomplished in water or in solvent-less conditions. We also discuss the reaction mechanisms leading to the formation of CO2-derived products in the absence of any catalyst or additives....