Expertini Research Research

Browse Research Papers

6+ open-access research outputs.

✕ Clear
🔍 xingjun ma 📂 Engineering 📄 Peer-Reviewed
Showing 6 results for "xingjun ma" in Engineering · Peer-Reviewed
Engineering Peer-Reviewed PDF DOI

Influence of Sheath Radial Crack on Flashover Arc and Leakage Current of Roof Silicon Rubber Insulator for High-Speed Train

Jianqiao Ma, Xiangfei Wang, Ruiqian Zhang, Zhibin Qi, Wenwen Wang · 2022

In this paper, three types of insulators with no crack, short crack, and long crack are taken as the research objects to evaluate the influence of the penetrating cracks on the 1 st sheath of the roo…

Read Paper →
Engineering Peer-Reviewed PDF DOI

Structure of water in the vicinity of amphoteric polymers as revealed by Raman spectroscopy.

 · 1970

The structure and hydrogen bonding of water in an aqueous solution of amphoteric copolymers (poly(MA-r-DMAPMA), 3x10(3)<M(w)<10(4)) composed of various ratios of methacrylic acid (MA) and N-[3-(dimeth…

Read Paper →
Engineering Peer-Reviewed PDF DOI

An optically coupled sensor for the measurement of currents induced by MRI gradient fields into endocardial leads.

 · 1970

OBJECT: The gradient fields generated during magnetic resonance imaging (MRI) procedures have the potential to induce electrical current on implanted endocardial leads. Whether this current can result…

Read Paper →
Engineering Peer-Reviewed PDF DOI

Hypoalgesia in response to transcutaneous electrical nerve stimulation (TENS) depends on stimulation intensity.

 · 1970

UNLABELLED: Transcutaneous electrical nerve stimulation (TENS) is an electrophysical modality used for pain management. This study investigated the dose response of different TENS intensities on exper…

Read Paper →
Engineering Peer-Reviewed PDF DOI

Safety ensuring retinal prosthesis with precise charge balance and low power consumption.

 · 1970

Ensuring safe operation of stimulators is the most important issue in neural stimulation. Safety, in terms of stimulators' electrical performances, can be related mainly to two factors; the zero-net c…

Read Paper →
Engineering Peer-Reviewed PDF DOI

Sensory migraine aura is not associated with structural grey matter abnormalities.

 · 1970

Migraine with aura (MA) is characterized by cortical dysfunction. Frequent aura attacks may alter cerebral cortical structure in patients, or structural grey matter abnormalities may predispose MA pat…

Read Paper →