Results 181 to 190 of about 75,559 (340)

Comprehensive two-dimensional gas chromatography with time of flight mass spectrometry applied to analysis of Fischer-Tropsch synthesis products obtained with and without carbon dioxide addition to feed gas [PDF]

open access: gold, 2011
Raphael S. F. Silva   +6 more
openalex   +1 more source

An Ultra‐Low‐Power and High‐Temperature‐Homogeneity Wafer‐Scale Infrared Source

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A wafer‐scale MEMS infrared source with an Al@nanoforest radiation layer achieves high emissivity and temperature homogeneity at low power, enabling efficient CO2 detection for smart agriculture. Non‐dispersive infrared gas sensors, renowned for their high selectivity and high reliability, are extensively employed in applications of smart agriculture ...
Qirui Zhang   +9 more
wiley   +1 more source

Comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry for the forensic study of cadaveric volatile organic compounds released in soil by buried decaying pig carcasses

open access: bronze, 2012
Catherine Brasseur   +6 more
openalex   +2 more sources

Synergistic Engineering of Oxygen Vacancies and Topological Surface States in Bi2Te3/TiO2‐X Heterostructures for Highly Efficient Photothermal‐Driven CO2 Photoreduction

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Integrating the topological insulator Bi2Te3 with oxygen‐deficient TiO2‐X creates a synergistic platform for full‐spectrum CO2 reduction, achieving high‐selectivity C2+ production via enhanced photothermal catalysis and tailored charge dynamics.
Bingke Zhang   +11 more
wiley   +1 more source

Sustainability in Analytical Chemistry Illustrated by Pharmaceutical Nitrosamine Testing

open access: yesELECTROPHORESIS, EarlyView.
ABSTRACT Following the valsartan scandal in 2018, the testing of drug substances and drug products for N‐nitrosamines has become a critical and mandatory quality control measure. The European Pharmacopoeia chapter 2.5.42 currently describes three analytical methods for this purpose: HPLC–MS/MS, GC–MS, and GC–MS/MS.
Felix Bredendiek   +2 more
wiley   +1 more source

Lueyang Black‐Boned Chicken and Black Bean Soup Promoting the Acute Healing of Skin Wounds, Accompanying Special Flavor Substances

open access: yesFood Chemistry International, EarlyView.
ABSTRACT Animal protein and plant protein make the protein supplement more comprehensive and further optimize the nutritional structure of the national diet. In this study, a “dual protein” Lueyang black‐boned chicken and black bean soup (FS) was prepared.
Mengya Zhao   +6 more
wiley   +1 more source

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