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sulfur

硅藻进化到用镉来替代锌
Posted inResearch Spotlights

硅藻是如何进化到利用有毒金属镉代替锌的?

by Sarah Stanley 1 April 20213 May 2022

网络分析表明,锌和镉硫化物在地质史上同步风化,在锌缺乏的情况下,镉可以作为光合途径的合适替代品。

Diatoms evolved to substitute cadmium for zinc.
Posted inResearch Spotlights

How Did Diatoms Evolve to Swap Zinc for the Toxic Metal Cadmium?

by Sarah Stanley 17 March 20213 May 2022

New network analysis suggests that zinc and cadmium sulfides weathered simultaneously in geological history, making cadmium a suitable substitute in photosynthetic pathways when zinc was scarce.

Charts showing how different levels of volcanic emissions result in different shortwave, longwave, and total daily mean net radiative forcings computed for different scalings of sulfur dioxide volume mixing ratios.
Posted inEditors' Highlights

The Overlooked Role of Sulfur Dioxide Emissions from Volcanoes

by L. Russell 10 March 202022 April 2022

Volcanoes can warm as much as they cool. Prior simulations have neglected the important warming effects of sulfur dioxide emissions, making some results colder than they should be.

Researchers model sulfate levels in freshwater environments, and how they impact wild rice
Posted inResearch Spotlights

North American Wild Rice Faces Sulfide Toxicity

by J. Lunn 6 October 2017

Researchers have developed a model to inform the regulation of sulfate levels in freshwater environments that are threatening the iconic plant.

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