Abstract: This paper studies the characteristics of the doubly fed induction generator (DFIG) type wind turbine under different reactive power control modes and their impacts on system lowfrequency ...

Oxidative stress is a direct consequence of an excess in the body of so-called "free radicals" – reactive, unstable molecules that contain oxygen. Free radicals are normal metabolic by-products and ...

Dying cells in an injured area of the fruit fly brain appear in pink, while activated glial cells producing protective anti-oxidant proteins appear in green. Oxidative stress is a direct consequence ...

Value stream management involves people in the organization to examine workflows and other processes to ensure they are deriving the maximum value from their efforts while eliminating waste — of ...

Curious builder of digital services for real people, usually found fixing old systems and making them a bit less painful ...

Major histocompatibility complex class I (MHC-I) molecules play a key part in the adaptive immune response by presenting antigens to CD8 + T cells. The high degree of polymorphism in MHC-I leads to ...

A collection of short dispatches from the field of climate microbiology conveys the contributions that single-celled life forms make to our climate system, and how we can work with them to address ...

Serpentine is a group of hydrous magnesium–iron phyllosilicate minerals that contain both nickel (Ni) and cobalt (Co). To date, the extraction of both Ni and Co from nickel-bearing serpentine minerals ...