Acoustic emission monitoring of hydraulic fracturing laboratory experiment with supercritical and liquid CO2
…, S Murata, Q Chen, Y Nakayama - Geophysical …, 2012 - Wiley Online Library
Carbon dioxide (CO 2 ) is often used for enhanced oil recovery in depleted petroleum
reservoirs, and its behavior in rock is also of interest in CO 2 capture and storage projects. CO 2 …
reservoirs, and its behavior in rock is also of interest in CO 2 capture and storage projects. CO 2 …
Features of CO2 fracturing deduced from acoustic emission and microscopy in laboratory experiments
…, M Naoi, Q Chen, Y Nakayama… - Journal of …, 2016 - Wiley Online Library
We conducted hydraulic fracturing (HF) experiments on 170 mm cubic granite specimens
with a 20 mm diameter central hole to investigate how fluid viscosity affects HF process and …
with a 20 mm diameter central hole to investigate how fluid viscosity affects HF process and …
State dependence of climatic instability over the past 720,000 years from Antarctic ice cores and climate modeling
…, T Miyake, A Miyamoto, Y Nagashima, Y Nakayama… - Science …, 2017 - science.org
Climatic variabilities on millennial and longer time scales with a bipolar seesaw pattern have
been documented in paleoclimatic records, but their frequencies, relationships with mean …
been documented in paleoclimatic records, but their frequencies, relationships with mean …
WideSegNeXt: semantic image segmentation using wide residual network and NeXt dilated unit
Semantic segmentation is widely applied in autonomous driving, in robotic picking, and for
medical purposes. Due to the breakthrough of deep learning in recent years, the fully …
medical purposes. Due to the breakthrough of deep learning in recent years, the fully …
Keto-Difluoromethylation of Aromatic Alkenes by Photoredox Catalysis: Step-Economical Synthesis of α-CF2H-Substituted Ketones in Flow
A step-economical method for synthesis of α-CF 2 H-substituted ketones from readily available
alkene feedstocks has been developed. Radical difluoromethylation of aromatic alkenes …
alkene feedstocks has been developed. Radical difluoromethylation of aromatic alkenes …
Fluoroalkanesulfinate Salts as Dual Fluoroalkyl and SO2 Sources: Atom-Economical Fluoroalkyl-Sulfonylation of Alkenes and Alkynes by Photoredox Catalysis
S Tanaka, Y Nakayama, Y Konishi, T Koike… - Organic letters, 2020 - ACS Publications
We disclose that fluoroalkanesulfinate salts ((R F SO 2 ) n M) such as the Langlois reagent,
CF 3 SO 2 Na, serve as dual fluoroalkyl (R F ) and sulfur dioxide (SO 2 ) sources by the …
CF 3 SO 2 Na, serve as dual fluoroalkyl (R F ) and sulfur dioxide (SO 2 ) sources by the …
Automatic road detection system for an air–land amphibious car drone
In recent years, unmanned aerial vehicle (UAV) technologies have rapidly developed.
Drones, which are one type of UAV, are used in many industrial fields, such as photography, …
Drones, which are one type of UAV, are used in many industrial fields, such as photography, …
Deep ice core drilling to 2503 m depth at Dome Fuji, Antarctica
Y Fujii, N Azuma, Y Tanaka, Y Nakayama… - Memoirs of National …, 2002 - nipr.repo.nii.ac.jp
Deep ice core drilling was carried out at Dome Fuji, Antarctica in 1995 and 1996 from the
bottom of the casing installed in 1993 and reached 2503.52 m in December 1996. We used a …
bottom of the casing installed in 1993 and reached 2503.52 m in December 1996. We used a …
Improvements to the JARE deep ice core drill
…, Y Tanaka, H Narita, Y Nakayama… - Memoirs of National …, 2002 - nipr.repo.nii.ac.jp
The second phase of the deep ice core drilling at Dome Fuji, Antarctica is planned to be
carried out in three successive summer seasons starting from 2003/2004 with an improved …
carried out in three successive summer seasons starting from 2003/2004 with an improved …
Stabilization of Calcium− and Terbium− Carboxylate Bonds by NH⊙⊙⊙ O Hydrogen Bonds in a Mononuclear Complex: A Functional Model of the Active Site of …
A Onoda, Y Yamada, Y Nakayama… - Inorganic …, 2004 - ACS Publications
Novel benzoic acid ligands with bulky amide groups at the ortho position, 2,6-(MeCONH) 2
C 6 H 3 CO 2 H (1) and 2,6-(t-BuCONH) 2 C 6 H 3 CO 2 H (2), and their tris- and tetrakis(…
C 6 H 3 CO 2 H (1) and 2,6-(t-BuCONH) 2 C 6 H 3 CO 2 H (2), and their tris- and tetrakis(…