Results 91 to 100 of about 3,645,724 (286)

Nanowire sensor response to reactive gas environment

open access: yes, 2008
The response of an originally developed catalytic sensor with a Nb2 O5 nanowire array at its outer surface to the varying density of O atoms is experimentally and numerically studied.
Ostrikov, K.   +7 more
core   +1 more source

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

open access: yesAdvanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati   +11 more
wiley   +1 more source

Application of Infrared Gas Sensor in Yuejin Coal Mine

open access: yesGong-kuang zidonghua, 2010
The paper introduced detecting principle, structure and debugging method of GJG10H infrared gas sensor. The application result showed that the infrared gas sensor can detect gas with 0%~10% concentration.
ZHANG Guo-hua
doaj  

Fabrication of Carbon Quantum Dots/Alq3 Layer for NO2 Gas Sensor

open access: yesIraqi Journal of Physics
The gas sensors were prepared using carbon quantum dots (CQDs) using an electrochemical method after mixing the CQDs with Tris (8-hydroxyquinoline) aluminum (III) (Alq3) polymer.
Nooriyah Ahmed Abd, Omar Adnan Ibrahim
doaj   +1 more source

Identification of a binary gas mixture from a single resistive microsensor [PDF]

open access: yes
Increasing concern about the rapid escalation of environmental pollution has led to strong legislation to ensure, for example, that the emission of pollutants from vehicles and industries is controlled to an acceptable level.
Al-Khalifa, Sherzad
core  

Impact of MgO Additions on the Oxidation Resistance and Compression Behavior of Vanadium Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
An increase in oxidation resistance at 600 °C is achieved for alloys containing more than 2.5 wt.% MgO. It has been established that, along with V2O5, MgO6V2, and Mg2O7V2 are formed, which are presumed to enhance oxidative stability. Furthermore, the possible transformation of Mg‐vanadates through reaction with CO2, which presumably occurs in this ...
Ievgen Solodkyi   +5 more
wiley   +1 more source

Discussion of layout position of gas emission warning sensor in heading face

open access: yesGong-kuang zidonghua, 2013
For situation that existing mine gas sensor is mainly used for monitoring disasters of gas explosion and gas accumulation, and not for monitoring gas emission characteristics of working face, the paper discussed a kind of layout scheme of gas sensor. The
ZOU Yun-long   +3 more
doaj  

Highly Sensitive p + n Metal Oxide Sensor Array for Low-Concentration Gas Detection

open access: yesSensors, 2018
Nowadays, despite the easy fabrication and low cost of metal oxide gas sensors, it is still challenging for them to detect gases at low concentrations.
Jianghua Luo   +4 more
doaj   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt   +5 more
wiley   +1 more source

THE METHOD OF BASELINE MANIPULATION TO OVERCOME THE SENSOR DRIFT ON GAS SENSOR TEST FOR HERBAL DRINKS DISCRIMINATION

open access: yesJurnal Sains Dasar, 2017
Gas sensor system is widely used for the detection of aroma. The main problem in this system is the sensor drift that makes poor reproducibility of the sensor.
Dyah Kurniawati Agustika, Kuwat Triyana
doaj  

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