Y. Chen

ORCID: 0000-0003-4876-5910
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About
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Research Areas
  • Pregnancy and preeclampsia studies
  • Cardiac, Anesthesia and Surgical Outcomes
  • Geotechnical Engineering and Soil Mechanics
  • Agriculture, Soil, Plant Science
  • Geotechnical Engineering and Underground Structures
  • Hemodynamic Monitoring and Therapy
  • Soil Carbon and Nitrogen Dynamics
  • Geotechnical Engineering and Soil Stabilization
  • Cryospheric studies and observations
  • Thermal properties of materials
  • Anesthesia and Neurotoxicity Research
  • Intestinal Malrotation and Obstruction Disorders
  • Advanced Thermoelectric Materials and Devices
  • Birth, Development, and Health
  • Healthcare Policy and Management
  • Intestinal and Peritoneal Adhesions
  • Electronic and Structural Properties of Oxides
  • Maternal and fetal healthcare
  • Cardiac Valve Diseases and Treatments
  • Atmospheric Ozone and Climate
  • Diamond and Carbon-based Materials Research
  • Topological Materials and Phenomena
  • Thermal Radiation and Cooling Technologies
  • Particle Dynamics in Fluid Flows
  • Congenital gastrointestinal and neural anomalies

Chinese University of Hong Kong
2012-2025

Prince of Wales Hospital
2012-2025

Cathay General Hospital
2025

University of Hong Kong
2018-2021

Université Laval
1995-1997

University of Southern California
1992

The size effect theory was proposed by Frossard and co-workers for evaluating the shear strength of rockfill material. However, this has not been validated in a general stress path, which intermediate principal may be different from minor stress. A series true triaxial compression tests on material (RFM-A, small-sized particle) B (RFM-B, larger-sized were carried out to validate state. It found that predictions theory, based constants data RFM-A, good agreement with RFM-B.

10.1680/geot.14.t.002 article EN Géotechnique 2014-06-01

ABSTRACT Objectives To compare the maternal hemodynamic profile at 12 + 0 to 15 6 weeks' gestation in women who subsequently developed pre‐eclampsia (PE) and those did not, assess screening performance of parameters for PE combination with Fetal Medicine Foundation (FMF) triple test, including factors (MF), mean arterial pressure (MAP), uterine artery pulsatility index placental growth factor. Methods This was a prospective case–control study involving Chinese singleton pregnancy underwent...

10.1002/uog.29177 article EN cc-by-nc Ultrasound in Obstetrics and Gynecology 2025-01-18

<title>Abstract</title> <bold>Background</bold> Gastrointestinal obstruction in newborns is a life-threatening condition caused by anatomical abnormalities that lead to failure defecate. This the most common surgical emergency for newborns. Prompt diagnosis, intervention, and implementation of appropriate management methods are important improve outcomes neonates with intestinal obstruction. study aimed explore clinical characteristics causes gastrointestinal tertiary neonatal intensive care...

10.21203/rs.3.rs-6179755/v1 preprint EN cc-by Research Square (Research Square) 2025-03-20

Soil bulk density ( .b) is a physical property related to many phenomena, such as plant root development andsolute transport in soils. In this study, comprehensive data search of literature from 1980 1997 was made examine.b influenced by soil organic matter (OM), texture, primary tillage and secondary practices tillagedepth. The showed that .b principally clay content OM for no-till soils, while any soiltextural variable can be predictors tilled conditions, depending on types soilstrata....

10.13031/2013.17328 article EN Transactions of the ASAE 1998-01-01

Reactions of H atoms with N2O have two product channels yielding NH+NO and OH+N2. Both were observed via NH A 3Π←X 3∑ OH 2∑←X 2Π laser-induced fluorescence spectra. Photoinitiated reactions N2O–HI complexes yield a much lower [NH]/[OH] ratio than under the corresponding bulk conditions at same photolysis wavelength. For hot D-atom N2O, this effect is somewhat more pronounced. These results can be interpreted in terms entrance channel geometric specificity, namely, biasing hydrogen attack...

10.1063/1.463092 article EN The Journal of Chemical Physics 1992-08-15

Quantum materials exhibit intriguing properties with important scientific values and huge technological potential. Electrical transport measurements under hydrostatic pressure have been influential in unraveling the underlying physics of many quantum bulk form. However, such not applied widely to samples form thin flakes, which new phenomena can emerge, due difficulty attaching fine wires a sample suitable for high-pressure devices. Here, we utilize home-built direct laser writing system...

10.1063/5.0098226 article EN Review of Scientific Instruments 2022-08-01

Objectives: To clarify whether point-of-care ultrasound (POCUS) can reduce direct obstetric deaths in various maternal emergencies.Methods: The subjects were between 2010 and 2022 throughout Japan.The Japan Maternal Death Exploratory Committee (JMDEC) analysed each subject for factors associated with mortality.The most probable cause preventability of death determined.In the present study, we how frequent cases might be prevented among groups ICD-MM, if appropriate POCUS was...

10.1002/uog.26933 article EN Ultrasound in Obstetrics and Gynecology 2023-10-01
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