Results 141 to 150 of about 20,928,352 (345)

FMECA and Failure Data Analysis of Domestic Wheeled Walking-Aid

open access: yesZhongguo yiliao qixie zazhi
The gradual acceleration of the aging population in China has led to an increased demand for mobility aids, and the reliability of domestic wheeled walking-aid is one of their important attributes, but there is little research on the reliability of ...
Chen ZHENG   +5 more
doaj   +1 more source

Locally erasable couplers for optical device testing in silicon on insulator

open access: yes, 2014
Wafer scale testing is critical to reducing production costs and increasing production yield. Here we report a method that allows testing of individual optical components within a complex optical integrated circuit.
Gardes, F.Y.   +10 more
core   +1 more source

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

open access: yesAdvanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann   +2 more
wiley   +1 more source

Several Aspects Worthy of Attention in the Pre-research of Medical Device Standards

open access: yesZhongguo yiliao qixie zazhi
The pre-research of medical device standards is of great significance for the enactment and amendment of standards. This study discusses four aspects and explores how to promote more scientific and reasonable pre-research.
Yuanyuan LYU   +5 more
doaj   +1 more source

Recent progress and perspectives of continuous in vivo testing device. [PDF]

open access: yesMater Today Bio, 2022
Ming T   +11 more
europepmc   +1 more source

Visual sensitivity tester [PDF]

open access: yes, 1972
Testing device uses closed loop film cassettes to project programmed visual stimuli on screen which the observer views through a lens making the stimuli appear to be at optical infinity.
Fitzgerald, J. W.   +2 more
core   +1 more source

Unidirectional Tape‐Based Composites from Hemp and Pineapple Leaf Fiber: Mechanical Performance in Conventional and Bio‐Based Matrices

open access: yesAdvanced Engineering Materials, EarlyView.
The study investigates novel semi‐finished products made of unidirectionally arranged hemp or pineapple leaf fiber‐reinforced composites produced from different matrices. The materials are analyzed in terms of their mechanical and interfacial properties and void content.
Nina Graupner   +22 more
wiley   +1 more source

Application of Digital Galvanometer Scanner System for CO2 Fractional Laser Safety Improvement

open access: yesZhongguo yiliao qixie zazhi
An analog PID controller-based galvanometer scanner is widely used by fractional laser medical equipment (FLME) to scan lasers across tissue surfaces, achieving the desired therapeutic effect. This type of driver, primarily composed of passive components
Ming LI, Wei FENG, Songhua LIU
doaj   +1 more source

Electrothermal follow display apparatus for electroexplosive device testing [PDF]

open access: yes
A self-balancing bridge for ascertaining the electrothermal and nonlinear behavior of an electroexplosive device is described. A sinusiodal current is passed through the device which provides a signal in the form of a unique Lissajous display.
Menichelli, V. J., Rosenthal, L. A.
core   +1 more source

NFDI MatWerk Ontology (MWO): A BFO‐Compliant Ontology for Research Data Management in Materials Science and Engineering

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the NFDI‐MatWerk Ontology (MWO), a Basic Formal Ontology‐based framework for interoperable research data management in materials science and engineering (MSE). Covering consortium structures, research data management resources, services, and instruments, MWO enables semantic integration, Findable, Accessible, Interoperable, and ...
Hossein Beygi Nasrabadi   +4 more
wiley   +1 more source

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