Results 21 to 30 of about 5,810 (233)

DATA ASSIMILATION APPLIED TO PRESSURISED WATER REACTORS [PDF]

open access: yesEPJ Web of Conferences, 2021
Best estimate plus uncertainty is the leading methodology to validate existing safety margins. It remains a challenge to develop and license these approaches, in part due to the high dimensionality of system codes. Uncertainty quantification is an active
Dixon J.R   +3 more
doaj   +1 more source

Well integrity management in mature fields: a state-of-the-art review on the system structure and maturity

open access: yesJournal of Petroleum Exploration and Production Technology, 2021
Nowadays, oil and gas (O&G) fields are maturing and creating new threats. This urged the operating companies and industry researchers to have intensive focus on well integrity (WI).
Mostafa S. Yakoot   +3 more
doaj   +1 more source

Control Software Design for a Multisensing Multicellular Microscale Gas Chromatography System

open access: yesMicromachines, 2023
Microscale gas chromatography (μGC) systems are miniaturized instruments that typically incorporate one or several microfabricated fluidic elements; such systems are generally well suited for the automated sampling and analysis of gas-phase chemicals ...
Qu Xu   +3 more
doaj   +1 more source

A Microvalve Module with High Chemical Inertness and Embedded Flow Heating for Microscale Gas Chromatography

open access: yesSensors, 2021
This paper reports a multi-valve module with high chemical inertness and embedded flow heating for microscale gas chromatography (µGC) systems. The multi-valve module incorporates a monolithically microfabricated die stack, polyimide valve membranes, and
Hsueh-Tsung Lu   +2 more
doaj   +1 more source

A Rule-Based Automated Chemical Recognition Algorithm for a Multi-Cell Multi-Detector Micro Gas Chromatograph

open access: yesSeparations, 2023
A chemical recognition algorithm is an integral part of any autonomous microscale gas chromatography (µGC) system for automated chemical analysis. For a multi-detector µGC system, the chemical analysis must account for the retention time of each chemical
Qu Xu, Yutao Qin, Yogesh B. Gianchandani
doaj   +1 more source

From Molar to Molecular Politics in Women’s Islamic Movements in Turkey: ‘Women who Get Together’ to Defend the Rights of ‘Others’ (2003–2013)

open access: yesDiyâr, 2023
A significant evolution in women’s Islamic movements (WIMs) became apparent after the process of the ‘normalisation of the headscarf’ in Turkey. With the lifting of the headscarf ban, starting from 2008, in universities, public offices and finally in ...
Aslı Karaca
doaj   +1 more source

Autonomous Microsystems for Downhole Applications: Design Challenges, Current State, and Initial Test Results

open access: yesSensors, 2017
This paper describes two platforms for autonomous sensing microsystems that are intended for deployment in chemically corrosive environments at elevated temperatures and pressures.
Myungjoon Choi   +8 more
doaj   +1 more source

The variation in morphology of perennial ryegrass cultivars throughout the grazing season and effects on organic matter digestibility [PDF]

open access: yes, 2013
peer-reviewedThe grass plant comprises leaf, pseudostem, true stem (including inflorescence) and dead material. These components differ in digestibility, and variations in their relative proportions can affect sward quality.
Beecher, Marion   +5 more
core   +1 more source

Passive Wireless Pressure Gradient Measurement System for Fluid Flow Analysis

open access: yesSensors, 2023
Using distributed MEMS pressure sensors to measure small flow rates in high resistance fluidic channels is fraught with challenges far beyond the performance of the pressure sensing element.
Partha P. Dutta   +4 more
doaj   +1 more source

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