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John Roller on Muck Rack

John Roller

Mohali
As seen in: AWWA Opflow, Concrete International

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John Roller’s Biography

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Magento 2 mobile app developer helps to provide you the mobile app which you are looking for. Try for free the Magento 2 mobile app development.

As technology is developing with rapid speed the demands for quicker, better and faster communications through converging media increase as does the need for access to information and services anytime, anywhere and in any form. This requirement for mobility is changing almost every benefit of our personal and working lives, day-to-day lifestyles and ex…

John Roller’s Journalist Portfolio

Magento 2 Mobile App | Magento Mobile Shop

Magento 2 Mobile App | Magento Mobile Shop

Magento 2 is the most popular ecommerce solution and provides a broad array of features. Availability of umpt…

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Articles

Insights into Transient Photovoltage Lifetimes via Dark J–V Analysis in Perovskite Solar Cells

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By Ganga Neupane, John Roller, Susanna Thon, Zhaoning Song
| dx.doi.org
C: Energy Conversion and StorageSeptember 23, 2024 Ganga R. Neupane Engineering Laboratory, National Institute of Standards & Technology, Gaithersburg, Maryland 20899, United States Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States John F. Roller Engineering Laboratory, National Institute of Standards & Technology, Gaithersburg, Maryland 20899, United States Susanna M.
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Reconciling LED and monochromator-based measurements of spectral responsivity in solar cells

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By John Roller, Behrang H. Hamadani
| osapublishing.org
Abstract Irradiance spectral responsivity is an important measurement characteristic for a solar cell and has served as a primary reference cell calibration parameter for a growing number of national laboratories in recent years.
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PCCP risk management-State of the art and strategy optimization

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By John Roller
| AWWA Opflow Verified
References & , 2005. Correlation of Wire Breaks on Prestressed Concrete Cylinder Pipe With Predictions From Electromagnetic Testing. Pipelines 2005: Optimizing Pipeline Design, Operations, and Maintenance in Today's Economy ( C. Vipulanandan & R. Ortega, editors). ASCE, Reston, Va. http://dx.doi.org/10.1061/40800(180)79. ; ; & , 2005. Comparison of Two Electromagnetic Techniques to Determine the Physical Condition of PCCP.
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