Iron and zinc play essential roles in biological systems and their shortage is responsible for the main micronutrient deficiencies in the world (Burke, Leon, Parminder, 2014). Iron is a fundamental ...
The structure was solved by direct methods and refined by a full-matrix least squares calculations. The refinement was conducted until all atomic parameter shifts were smaller than their standard ...
This past year, there has not been a single week without a reminder of the danger posed by nuclear weapons. Nuclear noise and signaling were evident; officials made implicit or explicit references to ...
A new high-tech atomic clock has been developed by scientists ... looking at decreasing the size of the technology, so it can be mass-manufactured and miniaturised. The hope is they can then ...
Troops on military operations will soon be able to use a British-made atomic clock built with quantum ... the technology decrease in size to allow mass manufacturing and miniaturisation, unlocking ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Since 2006, guns have been used in an average of 25 mass killings per ...
DAMASCUS, Dec 24 (Reuters) - Syrian Christians attended Christmas Eve services on Tuesday for the first time since the overthrow of President Bashar al-Assad in early December, in an early test of ...
Guangxi Key Laboratory for High-Value Utilization of Manganese Resources, College of Chemistry and Biological Engineering, Guangxi Minzu Normal University, Chongzuo 532200, China ...