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Nanotransistor-based gas sensing with record-high sensitivity enabled by electron trap** effect in nanoparticles
Highly sensitive, low-power, and chip-scale H 2 gas sensors are of great interest to both academia and industry. Field-effect transistors (FETs)...
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Sensitivity analysis of operation parameters of the salt cavern under long-term gas injection-production
Injection-production operation parameters, the minimum injection gas pressure (IGP: operation pressure), IGP interval, minimum IGP residence time,...
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Design of high-sensitivity La-doped ZnO sensors for CO2 gas detection at room temperature
For the sake of people's health and the safety of the environment, more efforts should be directed towards the fabrication of gas sensors that can...
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Structure sensitivity in gas sorption and conversion on metal-organic frameworks
Many catalytic processes depend on the sorption and conversion of gaseous molecules on the surface of (porous) functional materials. These events...
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A broad-spectrum gas sensor based on correlated two-dimensional electron gas
Designing a broad-spectrum gas sensor capable of identifying gas components in complex environments, such as mixed atmospheres or extreme...
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Theoretical optimisation of a novel gas sensor using periodically closed resonators
This study investigates using the phononic crystal with periodically closed resonators as a greenhouse gas sensor. The transfer matrix and green...
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Optimizing electrode structure of carbon nanotube gas sensors for sensitivity improvement based on electric field enhancement effect of fractal geometry
With the rapid development of carbon nanotubes gas sensor, the sensitivity of the sensing response is becoming more and more demanding. Different...
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Increasing productivity by using smart gas for optimal management of the gas lift process in a cluster of wells
In the face of the escalating global energy demand, the challenge lies in enhancing the extraction of oil from low-pressure underground reservoirs....
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Experimental and numerical study on gas production decline trend under ultralong-production-cycle from shale gas wells
It is of engineering interest to explore recovered shale gas composition and its effects on total gas production trend over a long-term extraction...
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Life cycle environmental impact assessment of natural gas distributed energy system
Natural gas distributed energy is recognized as a pivotal means to enhance energy efficiency and mitigate carbon dioxide emissions through localized...
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Electrical resistivity tomography combined with seismic data estimates heterogeneous distribution of near-seafloor concentrated gas hydrates within gas chimneys
Near-seafloor concentrated gas hydrates (GHs) containing large amounts of methane have been identified at various gas chimney sites. Although...
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Fast response and recovery polyaniline montmorillonite reduce graphene oxide polymer nanocomposite material for detection of hydrogen cyanide gas
In the present work, we have developed a polymer based gas sensor. The polymer nanocomposites are synthesized by the chemical oxidative...
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Reservoir damage mechanism and “Double protection” drilling fluid of tight sandstone gas reservoir in central SiChuan Basin
It is very important to clarify the reservoir damage characteristics and damage characteristics and damage mechanism of tight sandstone gas...
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A new gas detection technique through cross-correlation with a complex aperiodic FBG
Optical cross-correlation is a technique that can achieve both high specificity and high sensitivity when deployed as the basis for a sensing...
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High-performance hydrogen gas sensor system based on transparent coaxial cylinder capacitive electrodes and a volumetric analysis technique
A high-performance H 2 gas sensor system based on capacitive electrodes and a volumetric analysis technique were developed. Coaxial capacitive...
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Gas sensing response of ion beam irradiated Ga-doped ZnO thin films
The ion beam induced modified gallium doped ZnO thin films are studied for their gas sensing applications. The Ag 9+ and Si 6+ irradiated gallium doped...
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A novel neural network-based framework to estimate oil and gas pipelines life with missing input parameters
Dry gas pipelines can encounter various operational, technical, and environmental issues, such as corrosion, leaks, spills, restrictions, and cyber...
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A hydrodynamic interaction between bubbles and gas supply system during gas bubble departures in liquids: an experimental study
In the present paper, the hydrodynamic interactions between bubbles and the gas supply system to a needle were experimentally investigated. In...
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A chemiresistive-potentiometric multivariate sensor for discriminative gas detection
Highly efficient gas sensors able to detect and identify hazardous gases are crucial for numerous applications. Array of conventional single-output...
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Single molecule infrared spectroscopy in the gas phase
Spectroscopy is a key analytical tool that provides valuable insight into molecular structure and is widely used to identify chemical samples....
