Results 191 to 200 of about 1,993,809 (355)

Fatigue Behavior and Crack Propagation of Powder Metallurgical High‐Boron Tool Steels

open access: yessteel research international, EarlyView.
High‐boron tool steels are produced by powder metallurgy and ingot casting with subsequent swaging. The hard phase‐rich microstructures are investigated and characterized. The fatigue behavior is tested in a 3‐point bending setup and compared to a conventional cold work tool steel.
Hendric Maxwell Schaefer   +3 more
wiley   +1 more source

Ovulatory and anovulatory cycle phase influences on QT interval dynamics during the menstrual cycle. [PDF]

open access: yesPLoS One
Naderi B   +6 more
europepmc   +1 more source

Efavirenz Inhibits the Human Ether‐A‐Go‐Go Related Current (hERG) and Induces QT Interval Prolongation in CYP2B6*6*6 Allele Carriers

open access: yesCardiovascular Electrophysiology, 2016
A. Abdelhady   +9 more
semanticscholar   +1 more source

A Comparative Study of Directed Energy Deposition‐Arc and Casting: Enhancing Mechanical and Thermal Properties of Hot‐Work Tool Steels

open access: yessteel research international, EarlyView.
The study investigates the influence of DED‐Arc/M versus casting on the microstructure and material properties of X40CrMoV5‐1 (AISI H13) hot‐work tool steel. DED‐Arc/M yields finer microstructures, superior mechanical strength, and ductility, but slightly reduced thermal conductivity.
Ulf Ziesing   +4 more
wiley   +1 more source

Modulation of QT Interval by Cardiac Sympathetic Nerve Sprouting and the Mechanisms of Ventricular Arrhythmia in a Canine Model of Sudden Cardiac Death [PDF]

open access: bronze, 2001
Shengmei Zhou   +11 more
openalex   +1 more source

QRS Detection in Noisy Electrocardiogram Based on Multi‐Parameter Constrained Stochastic Resonance

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
One major challenge of QRS wave detection is the deleterious impact of inevitable noise in electrocardiogram (ECG) signals, which can deteriorate the detection performance of algorithms. Previous research has shown a nonlinear monostable potential‐based algorithm for enhancing the QRS complex in a noisy environment. Its main mechanism is the stochastic
Wenyu Shang, Masaki Sekino
wiley   +1 more source

Prolongation of QT Interval and Ventricular Septal Hypertrophy.

open access: bronze, 2000
Nobuo Kotajima   +8 more
openalex   +2 more sources

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