Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2011 Aug 25;11(9):8261–8280. doi: 10.3390/s110908261

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2011 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Figure 8. — Comparison of NO loading test and NO₂ loading test, both equal in duration of loading, NO_x concentrations, and temperature. The figure shows (a) the λ values from UEGO sensors, (b) the NO_x-FTIR spectroscopy data, (c) the calculated stored amount of NO and (d) the resonance frequencies.