Counterfeit or low-quality products—such as olive oil made from dyed rapeseed oil—are often difficult or impossible to ...

In reliability engineering, few indicators are as consistently revealing as the particles that infiltrate a lubrication ...

Dissolved gas analysis (DGA) in insulating oil can achieve early warning of local discharge, overheating or arc failure in transformers. It can also quantitatively evaluate the aging degree of ...

This paper explores the integration of offline and online Dissolved Gas Analysis (DGA) methodologies as a framework for predictive transformer maintenance. The first section establishes why DGA ...

Anthony Boyd was the eighth person executed by nitrogen gas since Alabama began using the method last year. His execution came over the strenuous objection of three liberal Supreme Court justices. By ...

Ink authentication is often complicated by tampering, aging, and chemical variability. Now, forensic scientists are turning to advanced gas chromatography (GC) techniques to enhance the accuracy and ...

Classification of gas wells is an important part of optimizing development strategies and increasing the recovery. The original classification standard of gas wells in the Sulige gas field has weak ...

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A district judge issued a preliminary injunction to stop the execution last week, but a federal appeals court overturned the ruling on March 14, allowing it to continue AP Photo/Sue Ogrocki, File A ...

A Micro GC's mode of operation and basic setup are fundamentally similar to those of a classical GC. 1 The main components of a Micro GC (injector, separating column, and detector) are significantly ...