Fetal echocardiography for congenital heart disease diagnosis: a meta-analysis, power analysis and missing data analysis

H Liu, J Zhou, QL Feng, HT Gu, G Wan… - European journal of …, 2015 - academic.oup.com
Background Prenatal ultrasonography is the most widely available diagnostic test for fetal
congenital heart disease (CHD), but the factors influencing its diagnostic accuracy remain …

Association between assisted reproductive technology and cardiac alteration at age 5 years

H Liu, Y Zhang, HT Gu, QL Feng, JY Liu, J Zhou… - JAMA …, 2015 - jamanetwork.com
Methods Based on previous data, 5 we expected a sample size of 100 participants per
group to provide 80% power to detect an effect size of 0.35 with a 2-sided α of. 05. The ART …

Minimally invasive perventricular versus open surgical ventricular septal defect closure in infants and children: a randomised clinical trial

H Liu, F Lu, J Zhou, F Yan, S Qian, X Li, S Zheng… - Heart, 2018 - heart.bmj.com
Background Robust evidence is lacking regarding the clinical efficacy, safety and
cardiopulmonary performance of perventricular closure. This study investigated the …

Minimally invasive endoscopic staging for mediastinal lymphadenopathy in lung cancer: a systematic review protocol

H Liu, J Zhou, Q Feng, G Wan, Y Xie, H Gu - BMJ open, 2014 - bmjopen.bmj.com
Introduction Minimally invasive endoscopic biopsy techniques have been widely available
as potential alternatives for mediastinal lesions staging in patients with known or suspected …

Research of intermediate frequency GPS signal simulator based on FPGA

G Yue-yun, L Yong-hong, F Qiao-ling… - … on Computer Science …, 2012 - ieeexplore.ieee.org
To test the signal synchronization performance for the receiver, an IF GPS signal simulator is
built by using FPGA based on IF GPS signal model. GPS signal simulator provides …

Thermal behavior analysis of melamine modified Urea-Formaldehyde resin with different molar ratios

SF Xu, YZ Chen, H Xiao, MW Jing… - Materials Science …, 2020 - Trans Tech Publ
In this study, Thermogravimetry (TG) were used to analyze thermal degradation properties of
two kinds of low-molar ratio of the melamine-modified urea-formaldehyde resin (MUF). The …

Research on detecting concentration of serum protein based on resonance rayleigh scattering

G Wang, QL Feng, ZJ Xue, YJ Li… - … and Spectral Analysis, 2013 - ingentaconnect.com
The resonance Rayleigh scattering spectral detection system was designed based on the 2,
9, 16, 23-tetracarboxylate-phthalocyanine zinc and protein system. In the system, excitation …

Dihydroartemisinin (DHA) inhibits proliferation and invasion of osteosarcoma cell line in vitro by suppressing Wnt/β-catenin signaling

WJ WANG, D ZHAO, J XU, L LI… - Basic & Clinical …, 2014 - journal11.magtechjournal.com
Objective To investigate the proliferation and invasion inhibitory effect of dihydroartemisinin
(DHA) on human osteosarcoma (OS) cells and the possible molecular mechanism involved …

SATB2 Promotes Bone Morphogenetic Protein 9-induced Osteogenic Differentiation of Mesenchymal Stem Cells

Q FENG, Y WANG, X LIU, C JI… - China …, 2015 - manu60.magtech.com.cn
Objective: To analyze the effect of SATB2 on BMP9-induced osteogenic differentiation of
C2C12 mesenchymal stem cells. Methods: C2C12 cells were treated with ad-BMP9, and …

Design of an Electronic Voltage Transformer Suitable for Digital Transformer Substation

QL Feng, H Zhang - Applied Mechanics and Materials, 2012 - Trans Tech Publ
In this paper an electronic voltage-current voltage transformer (EVCVT) scheme has been
proposed based on voltage-current transformation, using the voltage-current transformation …